Prompt:
Explain this text code:

NAME        READY     STATUS    RESTARTS   AGE
myapp-pod   1/1       Running   0          9m

Response: This text code Init Containers | This simple example should provide some inspiration for you to create your own init containers. What's next contains a link to a more detailed example.

Context: Init Containers | This simple example should provide some inspiration for you to create your own init containers. What's next contains a link to a more detailed example.


Prompt:
Explain this shell code:

for i in {1..100}; do sleep 1; if nslookup myservice; then exit 0; fi; done; exit 1

Response: This shell code Init Containers | Register this Pod with a remote server from the downward API with a command like:

Context: Init Containers | Register this Pod with a remote server from the downward API with a command like:


Prompt:
Explain this shell code:

curl -X POST http://$MANAGEMENT_SERVICE_HOST:$MANAGEMENT_SERVICE_PORT/register -d 'instance=$(<POD_NAME>)&ip=$(<POD_IP>)'

Response: This shell code Init Containers | Wait for some time before starting the app container with a command like

Context: Init Containers | Wait for some time before starting the app container with a command like


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
  labels:
    app.kubernetes.io/name: MyApp
spec:
  containers:
  - name: myapp-container

Response:
    image: busybox:1.28
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
  initContainers:
  - name: init-myservice
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
  - name: init-mydb
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]

Context: Init Containers | You can start this Pod by running:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
  labels:
    app.kubernetes.io/name: MyApp
spec:
  containers:
  - name: myapp-container
    image: busybox:1.28
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
  initContainers:
  - name: init-myservice
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
  - name: init-mydb
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]

Response: This yaml code Init Containers | You can start this Pod by running:


Prompt:
Explain this text code:

NAME        READY     STATUS     RESTARTS   AGE
myapp-pod   0/1       Init:0/2   0          6m

Response: This text code Init Containers | or for more details:

Context: Init Containers | or for more details:


Prompt:
Complete this text code:

Name:          myapp-pod
Namespace:     default
[...]
Labels:        app.kubernetes.io/name=MyApp
Status:        Pending
[...]
Init Containers:
  init-myservice:
[...]
    State:         Running
[...]
  init-mydb:
[...]
    State:         Waiting
      Reason:      PodInitializing
    Ready:         False

Response:
[...]
Containers:
  myapp-container:
[...]
    State:         Waiting
      Reason:      PodInitializing
    Ready:         False
[...]
Events:
  FirstSeen    LastSeen    Count    From                      SubObjectPath                           Type          Reason        Message
  ---------    --------    -----    ----                      -------------                           --------      ------        -------
  16s          16s         1        {default-scheduler }                                              Normal        Scheduled     Successfully assigned myapp-pod to 172.17.4.201
  16s          16s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Pulling       pulling image "busybox"
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Pulled        Successfully pulled image "busybox"
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Created       Created container init-myservice
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Started       Started container init-myservice

Context: Init Containers | To see logs for the init containers in this Pod, run:


Prompt:
Explain this text code:

Name:          myapp-pod
Namespace:     default
[...]
Labels:        app.kubernetes.io/name=MyApp
Status:        Pending
[...]
Init Containers:
  init-myservice:
[...]
    State:         Running
[...]
  init-mydb:
[...]
    State:         Waiting
      Reason:      PodInitializing
    Ready:         False
[...]
Containers:
  myapp-container:
[...]
    State:         Waiting
      Reason:      PodInitializing
    Ready:         False
[...]
Events:
  FirstSeen    LastSeen    Count    From                      SubObjectPath                           Type          Reason        Message
  ---------    --------    -----    ----                      -------------                           --------      ------        -------
  16s          16s         1        {default-scheduler }                                              Normal        Scheduled     Successfully assigned myapp-pod to 172.17.4.201
  16s          16s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Pulling       pulling image "busybox"
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Pulled        Successfully pulled image "busybox"
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Created       Created container init-myservice
  13s          13s         1        {kubelet 172.17.4.201}    spec.initContainers{init-myservice}     Normal        Started       Started container init-myservice

Response: This text code Init Containers | To see logs for the init containers in this Pod, run:


Prompt:
Explain this shell code:

kubectl logs myapp-pod -c init-myservice # Inspect the first init container
kubectl logs myapp-pod -c init-mydb      # Inspect the second init container

Response: This shell code Init Containers | At this point, those init containers will be waiting to discover Services named mydb and myservice.

Context: Init Containers | At this point, those init containers will be waiting to discover Services named mydb and myservice.


Prompt:
Complete this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: myservice
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9376

Response:
---
apiVersion: v1
kind: Service
metadata:
  name: mydb
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9377

Context: Init Containers | To create the mydb and myservice services:


Prompt:
Explain this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: myservice
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9376
---
apiVersion: v1
kind: Service
metadata:
  name: mydb
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9377

Response: This yaml code Init Containers | To create the mydb and myservice services:


Prompt:
Explain this text code:

NAME        READY     STATUS    RESTARTS   AGE
myapp-pod   1/1       Running   0          9m

Response: This text code Init Containers | This simple example should provide some inspiration for you to create your own init containers. What's next contains a link to a more detailed example.


Prompt:
Explain this text code:

for i in {1..100}; do sleep 1; if nslookup myservice; then exit 0; fi; done; exit 1

Response: This text code Init Containers | Register this Pod with a remote server from the downward API with a command like:


Prompt:
Explain this text code:

curl -X POST http://$MANAGEMENT_SERVICE_HOST:$MANAGEMENT_SERVICE_PORT/register -d 'instance=$(<POD_NAME>)&ip=$(<POD_IP>)'

Response: This text code Init Containers | Wait for some time before starting the app container with a command like


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
  labels:
    app.kubernetes.io/name: MyApp
spec:
  containers:
  - name: myapp-container

Response:
    image: busybox:1.28
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
  initContainers:
  - name: init-myservice
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
  - name: init-mydb
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
  labels:
    app.kubernetes.io/name: MyApp
spec:
  containers:
  - name: myapp-container
    image: busybox:1.28
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
  initContainers:
  - name: init-myservice
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
  - name: init-mydb
    image: busybox:1.28
    command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]

Response: This yaml code Init Containers | You can start this Pod by running:


Prompt:
Explain this bash code:

kubectl logs myapp-pod -c init-myservice # Inspect the first init container
kubectl logs myapp-pod -c init-mydb      # Inspect the second init container

Response: This bash code Init Containers | At this point, those init containers will be waiting to discover Services named mydb and myservice.


Prompt:
Complete this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: myservice
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9376

Response:
---
apiVersion: v1
kind: Service
metadata:
  name: mydb
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9377


Prompt:
Explain this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: myservice
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9376
---
apiVersion: v1
kind: Service
metadata:
  name: mydb
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9377

Response: This yaml code Init Containers | To create the mydb and myservice services:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

Context: Run a Stateless Application Using a Deployment | Create a Deployment based on the YAML file:


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Create a Deployment based on the YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Display information about the Deployment:

Context: Run a Stateless Application Using a Deployment | Display information about the Deployment:


Prompt:
Complete this text code:

Name:     nginx-deployment
Namespace:    default
CreationTimestamp:  Tue, 30 Aug 2016 18:11:37 -0700
Labels:     app=nginx
Annotations:    deployment.kubernetes.io/revision=1
Selector:   app=nginx
Replicas:   2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType:   RollingUpdate
MinReadySeconds:  0
RollingUpdateStrategy:  1 max unavailable, 1 max surge
Pod Template:
  Labels:       app=nginx
  Containers:

Response:
    nginx:
    Image:              nginx:1.14.2
    Port:               80/TCP
    Environment:        <none>
    Mounts:             <none>
  Volumes:              <none>
Conditions:
  Type          Status  Reason
  ----          ------  ------
  Available     True    MinimumReplicasAvailable
  Progressing   True    NewReplicaSetAvailable
OldReplicaSets:   <none>
NewReplicaSet:    nginx-deployment-1771418926 (2/2 replicas created)
No events.

Context: Run a Stateless Application Using a Deployment | List the Pods created by the deployment:


Prompt:
Explain this text code:

Name:     nginx-deployment
Namespace:    default
CreationTimestamp:  Tue, 30 Aug 2016 18:11:37 -0700
Labels:     app=nginx
Annotations:    deployment.kubernetes.io/revision=1
Selector:   app=nginx
Replicas:   2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType:   RollingUpdate
MinReadySeconds:  0
RollingUpdateStrategy:  1 max unavailable, 1 max surge
Pod Template:
  Labels:       app=nginx
  Containers:
    nginx:
    Image:              nginx:1.14.2
    Port:               80/TCP
    Environment:        <none>
    Mounts:             <none>
  Volumes:              <none>
Conditions:
  Type          Status  Reason
  ----          ------  ------
  Available     True    MinimumReplicasAvailable
  Progressing   True    NewReplicaSetAvailable
OldReplicaSets:   <none>
NewReplicaSet:    nginx-deployment-1771418926 (2/2 replicas created)
No events.

Response: This text code Run a Stateless Application Using a Deployment | List the Pods created by the deployment:


Prompt:
Explain this text code:

NAME                                READY     STATUS    RESTARTS   AGE
nginx-deployment-1771418926-7o5ns   1/1       Running   0          16h
nginx-deployment-1771418926-r18az   1/1       Running   0          16h

Response: This text code Run a Stateless Application Using a Deployment | Display information about a Pod:

Context: Run a Stateless Application Using a Deployment | Display information about a Pod:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80

Context: Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment-update.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Watch the deployment create pods with new names and delete the old pods:

Context: Run a Stateless Application Using a Deployment | Watch the deployment create pods with new names and delete the old pods:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment-scale.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Verify that the Deployment has four Pods:

Context: Run a Stateless Application Using a Deployment | Verify that the Deployment has four Pods:


Prompt:
Complete this text code:

NAME                               READY     STATUS    RESTARTS   AGE
nginx-deployment-148880595-4zdqq   1/1       Running   0          25s

Response:
nginx-deployment-148880595-6zgi1   1/1       Running   0          25s
nginx-deployment-148880595-fxcez   1/1       Running   0          2m
nginx-deployment-148880595-rwovn   1/1       Running   0          2m

Context: Run a Stateless Application Using a Deployment | Delete the deployment by name:


Prompt:
Explain this text code:

NAME                               READY     STATUS    RESTARTS   AGE
nginx-deployment-148880595-4zdqq   1/1       Running   0          25s
nginx-deployment-148880595-6zgi1   1/1       Running   0          25s
nginx-deployment-148880595-fxcez   1/1       Running   0          2m
nginx-deployment-148880595-rwovn   1/1       Running   0          2m

Response: This text code Run a Stateless Application Using a Deployment | Delete the deployment by name:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Create a Deployment based on the YAML file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/deployment.yaml

Response: This shell code Run a Stateless Application Using a Deployment | Display information about the Deployment:


Prompt:
Complete this text code:

Name:     nginx-deployment
Namespace:    default
CreationTimestamp:  Tue, 30 Aug 2016 18:11:37 -0700
Labels:     app=nginx
Annotations:    deployment.kubernetes.io/revision=1
Selector:   app=nginx
Replicas:   2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType:   RollingUpdate
MinReadySeconds:  0
RollingUpdateStrategy:  1 max unavailable, 1 max surge
Pod Template:
  Labels:       app=nginx
  Containers:

Response:
    nginx:
    Image:              nginx:1.14.2
    Port:               80/TCP
    Environment:        <none>
    Mounts:             <none>
  Volumes:              <none>
Conditions:
  Type          Status  Reason
  ----          ------  ------
  Available     True    MinimumReplicasAvailable
  Progressing   True    NewReplicaSetAvailable
OldReplicaSets:   <none>
NewReplicaSet:    nginx-deployment-1771418926 (2/2 replicas created)
No events.


Prompt:
Explain this text code:

Name:     nginx-deployment
Namespace:    default
CreationTimestamp:  Tue, 30 Aug 2016 18:11:37 -0700
Labels:     app=nginx
Annotations:    deployment.kubernetes.io/revision=1
Selector:   app=nginx
Replicas:   2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType:   RollingUpdate
MinReadySeconds:  0
RollingUpdateStrategy:  1 max unavailable, 1 max surge
Pod Template:
  Labels:       app=nginx
  Containers:
    nginx:
    Image:              nginx:1.14.2
    Port:               80/TCP
    Environment:        <none>
    Mounts:             <none>
  Volumes:              <none>
Conditions:
  Type          Status  Reason
  ----          ------  ------
  Available     True    MinimumReplicasAvailable
  Progressing   True    NewReplicaSetAvailable
OldReplicaSets:   <none>
NewReplicaSet:    nginx-deployment-1771418926 (2/2 replicas created)
No events.

Response: This text code Run a Stateless Application Using a Deployment | List the Pods created by the deployment:


Prompt:
Explain this text code:

NAME                                READY     STATUS    RESTARTS   AGE
nginx-deployment-1771418926-7o5ns   1/1       Running   0          16h
nginx-deployment-1771418926-r18az   1/1       Running   0          16h

Response: This text code Run a Stateless Application Using a Deployment | Display information about a Pod:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/deployment-update.yaml

Response: This shell code Run a Stateless Application Using a Deployment | Watch the deployment create pods with new names and delete the old pods:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/deployment-scale.yaml

Response: This shell code Run a Stateless Application Using a Deployment | Verify that the Deployment has four Pods:


Prompt:
Complete this text code:

NAME                               READY     STATUS    RESTARTS   AGE
nginx-deployment-148880595-4zdqq   1/1       Running   0          25s

Response:
nginx-deployment-148880595-6zgi1   1/1       Running   0          25s
nginx-deployment-148880595-fxcez   1/1       Running   0          2m
nginx-deployment-148880595-rwovn   1/1       Running   0          2m


Prompt:
Explain this text code:

NAME                               READY     STATUS    RESTARTS   AGE
nginx-deployment-148880595-4zdqq   1/1       Running   0          25s
nginx-deployment-148880595-6zgi1   1/1       Running   0          25s
nginx-deployment-148880595-fxcez   1/1       Running   0          2m
nginx-deployment-148880595-rwovn   1/1       Running   0          2m

Response: This text code Run a Stateless Application Using a Deployment | Delete the deployment by name:


Prompt:
Complete this yaml code:

application/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

application/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Create a Deployment based on the YAML file:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Create a Deployment based on the YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Display information about the Deployment:


Prompt:
Complete this yaml code:

application/deployment-update.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

application/deployment-update.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment-update.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Watch the deployment create pods with new names and delete the old pods:


Prompt:
Complete this yaml code:

application/deployment-scale.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

application/deployment-scale.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Complete this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4

Response:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 4 # Update the replicas from 2 to 4
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.1
        ports:
        - containerPort: 80

Response: This yaml code Run a Stateless Application Using a Deployment | Apply the new YAML file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/deployment-scale.yaml

Response: This bash code Run a Stateless Application Using a Deployment | Verify that the Deployment has four Pods:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never

Response:
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done

Context: Job with Pod-to-Pod Communication | After applying the example above, reach each other over the network using: <pod-hostname>.<headless-service-name>. You should see output similar to the following:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done

Response: This yaml code Job with Pod-to-Pod Communication | After applying the example above, reach each other over the network using: <pod-hostname>.<headless-service-name>. You should see output similar to the following:


Prompt:
Complete this text code:

Failed to ping pod example-job-0.headless-svc, retrying in 1 second...
Successfully pinged pod: example-job-0.headless-svc

Response:
Successfully pinged pod: example-job-1.headless-svc
Successfully pinged pod: example-job-2.headless-svc

Context: Job with Pod-to-Pod Communication |


Prompt:
Explain this text code:

Failed to ping pod example-job-0.headless-svc, retrying in 1 second...
Successfully pinged pod: example-job-0.headless-svc
Successfully pinged pod: example-job-1.headless-svc
Successfully pinged pod: example-job-2.headless-svc

Response: This text code Job with Pod-to-Pod Communication |

Context: Job with Pod-to-Pod Communication |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never

Response:
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done

Response: This yaml code Job with Pod-to-Pod Communication | After applying the example above, reach each other over the network using: <pod-hostname>.<headless-service-name>. You should see output similar to the following:


Prompt:
Complete this text code:

Failed to ping pod example-job-0.headless-svc, retrying in 1 second...
Successfully pinged pod: example-job-0.headless-svc

Response:
Successfully pinged pod: example-job-1.headless-svc
Successfully pinged pod: example-job-2.headless-svc

Context: Job with Pod-to-Pod Communication |


Prompt:
Explain this text code:

Failed to ping pod example-job-0.headless-svc, retrying in 1 second...
Successfully pinged pod: example-job-0.headless-svc
Successfully pinged pod: example-job-1.headless-svc
Successfully pinged pod: example-job-2.headless-svc

Response: This text code Job with Pod-to-Pod Communication |

Context: Job with Pod-to-Pod Communication |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never

Response:
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  name: headless-svc
spec:
  clusterIP: None # clusterIP must be None to create a headless service
  selector:
    job-name: example-job # must match Job name
---
apiVersion: batch/v1
kind: Job
metadata:
  name: example-job
spec:
  completions: 3
  parallelism: 3
  completionMode: Indexed
  template:
    spec:
      subdomain: headless-svc # has to match Service name
      restartPolicy: Never
      containers:
      - name: example-workload
        image: bash:latest
        command:
        - bash
        - -c
        - |
          for i in 0 1 2
          do
            gotStatus="-1"
            wantStatus="0"
            while [ $gotStatus -ne $wantStatus ]
            do
              ping -c 1 example-job-${i}.headless-svc > /dev/null 2>&1
              gotStatus=$?
              if [ $gotStatus -ne $wantStatus ]; then
                echo "Failed to ping pod example-job-${i}.headless-svc, retrying in 1 second..."
                sleep 1
              fi
            done
            echo "Successfully pinged pod: example-job-${i}.headless-svc"
          done

Response: This yaml code Job with Pod-to-Pod Communication | After applying the example above, reach each other over the network using: <pod-hostname>.<headless-service-name>. You should see output similar to the following:


Prompt:
Explain this bash code:

kubectl delete ([-f FILENAME] | [-k DIRECTORY] | TYPE [(NAME | -l label | --all)])

Response: This bash code kubectl delete | Delete all resources, in the namespace of the specified resource types.

Context: kubectl delete | Delete all resources, in the namespace of the specified resource types.


Prompt:
Complete this text code:

# Delete a pod using the type and name specified in pod.json
  kubectl delete -f ./pod.json

  # Delete resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml
  kubectl delete -k dir

  # Delete resources from all files that end with '.json'
  kubectl delete -f '*.json'

  # Delete a pod based on the type and name in the JSON passed into stdin
  cat pod.json | kubectl delete -f -

  # Delete pods and services with same names "baz" and "foo"
  kubectl delete pod,service baz foo

Response:
  # Delete pods and services with label name=myLabel
  kubectl delete pods,services -l name=myLabel

  # Delete a pod with minimal delay
  kubectl delete pod foo --now

  # Force delete a pod on a dead node
  kubectl delete pod foo --force

  # Delete all pods
  kubectl delete pods --all

  # Delete all pods only if the user confirms the deletion
  kubectl delete pods --all --interactive


Prompt:
Explain this text code:

# Delete a pod using the type and name specified in pod.json
  kubectl delete -f ./pod.json

  # Delete resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml
  kubectl delete -k dir

  # Delete resources from all files that end with '.json'
  kubectl delete -f '*.json'

  # Delete a pod based on the type and name in the JSON passed into stdin
  cat pod.json | kubectl delete -f -

  # Delete pods and services with same names "baz" and "foo"
  kubectl delete pod,service baz foo

  # Delete pods and services with label name=myLabel
  kubectl delete pods,services -l name=myLabel

  # Delete a pod with minimal delay
  kubectl delete pod foo --now

  # Force delete a pod on a dead node
  kubectl delete pod foo --force

  # Delete all pods
  kubectl delete pods --all

  # Delete all pods only if the user confirms the deletion
  kubectl delete pods --all --interactive

Response: This text code kubectl delete | Delete all resources, in the namespace of the specified resource types.


Prompt:
Explain this bash code:

kubectl delete ([-f FILENAME] | [-k DIRECTORY] | TYPE [(NAME | -l label | --all)])

Response: This bash code kubectl delete | Delete all resources, in the namespace of the specified resource types.


Prompt:
Complete this text code:

# Delete a pod using the type and name specified in pod.json
  kubectl delete -f ./pod.json

  # Delete resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml
  kubectl delete -k dir

  # Delete resources from all files that end with '.json'
  kubectl delete -f '*.json'

  # Delete a pod based on the type and name in the JSON passed into stdin
  cat pod.json | kubectl delete -f -

  # Delete pods and services with same names "baz" and "foo"
  kubectl delete pod,service baz foo

Response:
  # Delete pods and services with label name=myLabel
  kubectl delete pods,services -l name=myLabel

  # Delete a pod with minimal delay
  kubectl delete pod foo --now

  # Force delete a pod on a dead node
  kubectl delete pod foo --force

  # Delete all pods
  kubectl delete pods --all

  # Delete all pods only if the user confirms the deletion
  kubectl delete pods --all --interactive


Prompt:
Explain this text code:

# Delete a pod using the type and name specified in pod.json
  kubectl delete -f ./pod.json

  # Delete resources from a directory containing kustomization.yaml - e.g. dir/kustomization.yaml
  kubectl delete -k dir

  # Delete resources from all files that end with '.json'
  kubectl delete -f '*.json'

  # Delete a pod based on the type and name in the JSON passed into stdin
  cat pod.json | kubectl delete -f -

  # Delete pods and services with same names "baz" and "foo"
  kubectl delete pod,service baz foo

  # Delete pods and services with label name=myLabel
  kubectl delete pods,services -l name=myLabel

  # Delete a pod with minimal delay
  kubectl delete pod foo --now

  # Force delete a pod on a dead node
  kubectl delete pod foo --force

  # Delete all pods
  kubectl delete pods --all

  # Delete all pods only if the user confirms the deletion
  kubectl delete pods --all --interactive

Response: This text code kubectl delete | Delete all resources, in the namespace of the specified resource types.


Prompt:
Complete this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver

Response:
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='<html><body><H1>Windows Container Web Server</H1>' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='<p>IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='</body></html>' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows

Context: Guide for Running Windows Containers in Kubernetes | Check that all nodes are healthy:


Prompt:
Explain this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='
Windows Container Web Server
' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='
IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Check that all nodes are healthy:


Prompt:
Explain this bash code:

kubectl apply -f win-webserver.yaml
kubectl get pods -o wide -w

Response: This bash code Guide for Running Windows Containers in Kubernetes | When the service is deployed correctly both Pods are marked as Ready. To exit the watch command, press Ctrl+C.

Context: Guide for Running Windows Containers in Kubernetes | When the service is deployed correctly both Pods are marked as Ready. To exit the watch command, press Ctrl+C.


Prompt:
Complete this text code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:

Response:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"

Context: Guide for Running Windows Containers in Kubernetes | The Windows Server version used by each pod must match that of the node. If you want to use multiple Windows Server versions in the same cluster, then you should set additional node labels and nodeSel


Prompt:
Explain this text code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"

Response: This text code Guide for Running Windows Containers in Kubernetes | The Windows Server version used by each pod must match that of the node. If you want to use multiple Windows Server versions in the same cluster, then you should set additional node labels and nodeSel


Prompt:
Complete this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:

Response:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"

Context: Guide for Running Windows Containers in Kubernetes | Run kubectl create -f runtimeClasses.yml using as a cluster administrator


Prompt:
Explain this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Run kubectl create -f runtimeClasses.yml using as a cluster administrator


Prompt:
Complete this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:

Response:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019

Context: Guide for Running Windows Containers in Kubernetes |


Prompt:
Explain this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019

Response: This yaml code Guide for Running Windows Containers in Kubernetes |


Prompt:
Complete this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver

Response:
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='<html><body><H1>Windows Container Web Server</H1>' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='<p>IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='</body></html>' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows


Prompt:
Explain this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='
Windows Container Web Server
' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='
IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Check that all nodes are healthy:


Prompt:
Explain this bash code:

kubectl apply -f win-webserver.yaml
kubectl get pods -o wide -w

Response: This bash code Guide for Running Windows Containers in Kubernetes | When the service is deployed correctly both Pods are marked as Ready. To exit the watch command, press Ctrl+C.


Prompt:
Complete this yaml code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:

Response:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"


Prompt:
Explain this yaml code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"

Response: This yaml code Guide for Running Windows Containers in Kubernetes | The Windows Server version used by each pod must match that of the node. If you want to use multiple Windows Server versions in the same cluster, then you should set additional node labels and nodeSel


Prompt:
Complete this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:

Response:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"


Prompt:
Explain this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Run kubectl create -f runtimeClasses.yml using as a cluster administrator


Prompt:
Complete this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:

Response:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019


Prompt:
Explain this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019

Response: This yaml code Guide for Running Windows Containers in Kubernetes |


Prompt:
Complete this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver

Response:
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='<html><body><H1>Windows Container Web Server</H1>' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='<p>IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='</body></html>' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows


Prompt:
Explain this yaml code:

---
apiVersion: v1
kind: Service
metadata:
  name: win-webserver
  labels:
    app: win-webserver
spec:
  ports:
    # the port that this service should serve on
    - port: 80
      targetPort: 80
  selector:
    app: win-webserver
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: win-webserver
  name: win-webserver
spec:
  replicas: 2
  selector:
    matchLabels:
      app: win-webserver
  template:
    metadata:
      labels:
        app: win-webserver
      name: win-webserver
    spec:
     containers:
      - name: windowswebserver
        image: mcr.microsoft.com/windows/servercore:ltsc2019
        command:
        - powershell.exe
        - -command
        - "<#code used from https://gist.github.com/19WAS85/5424431#> ; $$listener = New-Object System.Net.HttpListener ; $$listener.Prefixes.Add('http://*:80/') ; $$listener.Start() ; $$callerCounts = @{} ; Write-Host('Listening at http://*:80/') ; while ($$listener.IsListening) { ;$$context = $$listener.GetContext() ;$$requestUrl = $$context.Request.Url ;$$clientIP = $$context.Request.RemoteEndPoint.Address ;$$response = $$context.Response ;Write-Host '' ;Write-Host('> {0}' -f $$requestUrl) ;  ;$$count = 1 ;$$k=$$callerCounts.Get_Item($$clientIP) ;if ($$k -ne $$null) { $$count += $$k } ;$$callerCounts.Set_Item($$clientIP, $$count) ;$$ip=(Get-NetAdapter | Get-NetIpAddress); $$header='
Windows Container Web Server
' ;$$callerCountsString='' ;$$callerCounts.Keys | % { $$callerCountsString+='
IP {0} callerCount {1} ' -f $$ip[1].IPAddress,$$callerCounts.Item($$_) } ;$$footer='' ;$$content='{0}{1}{2}' -f $$header,$$callerCountsString,$$footer ;Write-Output $$content ;$$buffer = [System.Text.Encoding]::UTF8.GetBytes($$content) ;$$response.ContentLength64 = $$buffer.Length ;$$response.OutputStream.Write($$buffer, 0, $$buffer.Length) ;$$response.Close() ;$$responseStatus = $$response.StatusCode ;Write-Host('< {0}' -f $$responseStatus)  } ; "
     nodeSelector:
      kubernetes.io/os: windows

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Check that all nodes are healthy:


Prompt:
Explain this bash code:

kubectl apply -f win-webserver.yaml
kubectl get pods -o wide -w

Response: This bash code Guide for Running Windows Containers in Kubernetes | When the service is deployed correctly both Pods are marked as Ready. To exit the watch command, press Ctrl+C.


Prompt:
Complete this text code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:

Response:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"


Prompt:
Explain this text code:

nodeSelector:
    kubernetes.io/os: windows
    node.kubernetes.io/windows-build: '10.0.17763'
tolerations:
    - key: "os"
      operator: "Equal"
      value: "windows"
      effect: "NoSchedule"

Response: This text code Guide for Running Windows Containers in Kubernetes | The Windows Server version used by each pod must match that of the node. If you want to use multiple Windows Server versions in the same cluster, then you should set additional node labels and nodeSel


Prompt:
Complete this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:

Response:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"


Prompt:
Explain this yaml code:

---
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
  name: windows-2019
handler: example-container-runtime-handler
scheduling:
  nodeSelector:
    kubernetes.io/os: 'windows'
    kubernetes.io/arch: 'amd64'
    node.kubernetes.io/windows-build: '10.0.17763'
  tolerations:
  - effect: NoSchedule
    key: os
    operator: Equal
    value: "windows"

Response: This yaml code Guide for Running Windows Containers in Kubernetes | Run kubectl create -f runtimeClasses.yml using as a cluster administrator


Prompt:
Complete this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:

Response:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019


Prompt:
Explain this yaml code:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: iis-2019
  labels:
    app: iis-2019
spec:
  replicas: 1
  template:
    metadata:
      name: iis-2019
      labels:
        app: iis-2019
    spec:
      runtimeClassName: windows-2019
      containers:
      - name: iis
        image: mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019
        resources:
          limits:
            cpu: 1
            memory: 800Mi
          requests:
            cpu: .1
            memory: 300Mi
        ports:
          - containerPort: 80
 selector:
    matchLabels:
      app: iis-2019
---
apiVersion: v1
kind: Service
metadata:
  name: iis
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: iis-2019

Response: This yaml code Guide for Running Windows Containers in Kubernetes |


Prompt:
Explain this json code:

{cpu: 100m, memory: 100Mi, ephemeral-storage: 1Gi, pid=1000}

Response: This json code Reserve Compute Resources for System Daemons | kubeReserved is meant to capture resource reservation for kubernetes system daemons like the kubelet, container runtime, etc. It is not meant to reserve resources for system daemons that are run as po

Context: Reserve Compute Resources for System Daemons | kubeReserved is meant to capture resource reservation for kubernetes system daemons like the kubelet, container runtime, etc. It is not meant to reserve resources for system daemons that are run as po


Prompt:
Explain this json code:

{cpu: 100m, memory: 100Mi, ephemeral-storage: 1Gi, pid=1000}

Response: This json code Reserve Compute Resources for System Daemons | systemReserved is meant to capture resource reservation for OS system daemons like sshd, udev, etc. systemReserved should reserve memory for the kernel too since kernel memory is not accounted to pods

Context: Reserve Compute Resources for System Daemons | systemReserved is meant to capture resource reservation for OS system daemons like sshd, udev, etc. systemReserved should reserve memory for the kernel too since kernel memory is not accounted to pods


Prompt:
Explain this text code:

evictionHard: {memory.available: "100Mi", nodefs.available: "10%", nodefs.inodesFree: "5%", imagefs.available: "15%"}

Response: This text code Reserve Compute Resources for System Daemons | Memory pressure at the node level leads to System OOMs which affects the entire node and all pods running on it. Nodes can go offline temporarily until memory has been reclaimed. To avoid (or reduce t

Context: Reserve Compute Resources for System Daemons | Memory pressure at the node level leads to System OOMs which affects the entire node and all pods running on it. Nodes can go offline temporarily until memory has been reclaimed. To avoid (or reduce t


Prompt:
Explain this json code:

{memory.available: "<500Mi", nodefs.available: "<10%"}

Response: This json code Reserve Compute Resources for System Daemons | Under this scenario, 'Allocatable' will be 14.5 CPUs, 28.5Gi of memory and 88Gi of local storage. Scheduler ensures that the total memory requests across all pods on this node does not exceed 28.5Gi a

Context: Reserve Compute Resources for System Daemons | Under this scenario, 'Allocatable' will be 14.5 CPUs, 28.5Gi of memory and 88Gi of local storage. Scheduler ensures that the total memory requests across all pods on this node does not exceed 28.5Gi a


Prompt:
Complete this text code:

preflight              Run join pre-flight checks
control-plane-prepare  Prepare the machine for serving a control plane
  /download-certs        Download certificates shared among control-plane nodes from the kubeadm-certs Secret
  /certs                 Generate the certificates for the new control plane components
  /kubeconfig            Generate the kubeconfig for the new control plane components

Response:
  /control-plane         Generate the manifests for the new control plane components
kubelet-start          Write kubelet settings, certificates and (re)start the kubelet
control-plane-join     Join a machine as a control plane instance
  /etcd                  Add a new local etcd member
  /mark-control-plane    Mark a node as a control-plane
wait-control-plane     Wait for the control plane to start

Context: kubeadm join | If the node should host a new control plane instance, the IP address the API Server will advertise it's listening on. If not set the default network interface will be used.


Prompt:
Explain this text code:

preflight              Run join pre-flight checks
control-plane-prepare  Prepare the machine for serving a control plane
  /download-certs        Download certificates shared among control-plane nodes from the kubeadm-certs Secret
  /certs                 Generate the certificates for the new control plane components
  /kubeconfig            Generate the kubeconfig for the new control plane components
  /control-plane         Generate the manifests for the new control plane components
kubelet-start          Write kubelet settings, certificates and (re)start the kubelet
control-plane-join     Join a machine as a control plane instance
  /etcd                  Add a new local etcd member
  /mark-control-plane    Mark a node as a control-plane
wait-control-plane     Wait for the control plane to start

Response: This text code kubeadm join | If the node should host a new control plane instance, the IP address the API Server will advertise it's listening on. If not set the default network interface will be used.


Prompt:
Explain this text code:

sudo kubeadm join --skip-phases=preflight --config=config.yaml

Response: This text code kubeadm join | Alternatively, you can use the skipPhases field in JoinConfiguration.

Context: kubeadm join | Alternatively, you can use the skipPhases field in JoinConfiguration.


Prompt:
Explain this text code:

openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'

Response: This text code kubeadm join | Example kubeadm join commands:

Context: kubeadm join | Example kubeadm join commands:


Prompt:
Explain this python code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef 1.2.3.4:6443

Response: This python code kubeadm join | For control-plane nodes:

Context: kubeadm join | For control-plane nodes:


Prompt:
Explain this python code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef --control-plane 1.2.3.4:6443

Response: This python code kubeadm join | You can also call join for a control-plane node with --certificate-key to copy certificates to this node, if the kubeadm init command was called with --upload-certs.

Context: kubeadm join | You can also call join for a control-plane node with --certificate-key to copy certificates to this node, if the kubeadm init command was called with --upload-certs.


Prompt:
Explain this python code:

kubeadm join --token abcdef.1234567890abcdef --discovery-token-unsafe-skip-ca-verification 1.2.3.4:6443

Response: This python code kubeadm join | Advantages:

Context: kubeadm join | Advantages:


Prompt:
Explain this bash code:

kubectl delete clusterrolebinding kubeadm:node-autoapprove-bootstrap

Response: This bash code kubeadm join | After that, kubeadm join will block until the admin has manually approved the CSR in flight:

Context: kubeadm join | After that, kubeadm join will block until the admin has manually approved the CSR in flight:


Prompt:
Explain this text code:

NAME                                                   AGE       REQUESTOR                 CONDITION
node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ   18s       system:bootstrap:878f07   Pending

Response: This text code kubeadm join | kubectl certificate approve allows the admin to approve CSR.This action tells a certificate signing controller to issue a certificate to the requestor with the attributes requested in the CSR.

Context: kubeadm join | kubectl certificate approve allows the admin to approve CSR.This action tells a certificate signing controller to issue a certificate to the requestor with the attributes requested in the CSR.


Prompt:
Explain this bash code:

kubectl certificate approve node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ

Response: This bash code kubeadm join | The output is similar to this:

Context: kubeadm join | The output is similar to this:


Prompt:
Explain this text code:

certificatesigningrequest "node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ" approved

Response: This text code kubeadm join | This would change the CSR resource to Active state.

Context: kubeadm join | This would change the CSR resource to Active state.


Prompt:
Explain this text code:

NAME                                                   AGE       REQUESTOR                 CONDITION
node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ   1m        system:bootstrap:878f07   Approved,Issued

Response: This text code kubeadm join | This forces the workflow that kubeadm join will only succeed if kubectl certificate approve has been run.

Context: kubeadm join | This forces the workflow that kubeadm join will only succeed if kubectl certificate approve has been run.


Prompt:
Explain this bash code:

kubectl -n kube-public get cm cluster-info -o jsonpath='{.data.kubeconfig}' | tee cluster-info.yaml

Response: This bash code kubeadm join | The output is similar to this:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>

Response:
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []

Context: kubeadm join | Use the cluster-info.yaml file as an argument to kubeadm join --discovery-file.


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []

Response: This yaml code kubeadm join | Use the cluster-info.yaml file as an argument to kubeadm join --discovery-file.


Prompt:
Explain this bash code:

kubectl -n kube-public delete rolebinding kubeadm:bootstrap-signer-clusterinfo

Response: This bash code kubeadm join | These commands should be run after kubeadm init but before kubeadm join.

Context: kubeadm join | These commands should be run after kubeadm init but before kubeadm join.


Prompt:
Complete this text code:

preflight              Run join pre-flight checks
control-plane-prepare  Prepare the machine for serving a control plane
  /download-certs        Download certificates shared among control-plane nodes from the kubeadm-certs Secret
  /certs                 Generate the certificates for the new control plane components
  /kubeconfig            Generate the kubeconfig for the new control plane components

Response:
  /control-plane         Generate the manifests for the new control plane components
kubelet-start          Write kubelet settings, certificates and (re)start the kubelet
control-plane-join     Join a machine as a control plane instance
  /etcd                  Add a new local etcd member
  /mark-control-plane    Mark a node as a control-plane
wait-control-plane     Wait for the control plane to start


Prompt:
Explain this text code:

preflight              Run join pre-flight checks
control-plane-prepare  Prepare the machine for serving a control plane
  /download-certs        Download certificates shared among control-plane nodes from the kubeadm-certs Secret
  /certs                 Generate the certificates for the new control plane components
  /kubeconfig            Generate the kubeconfig for the new control plane components
  /control-plane         Generate the manifests for the new control plane components
kubelet-start          Write kubelet settings, certificates and (re)start the kubelet
control-plane-join     Join a machine as a control plane instance
  /etcd                  Add a new local etcd member
  /mark-control-plane    Mark a node as a control-plane
wait-control-plane     Wait for the control plane to start

Response: This text code kubeadm join | If the node should host a new control plane instance, the IP address the API Server will advertise it's listening on. If not set the default network interface will be used.


Prompt:
Explain this shell code:

sudo kubeadm join --skip-phases=preflight --config=config.yaml

Response: This shell code kubeadm join | Alternatively, you can use the skipPhases field in JoinConfiguration.


Prompt:
Explain this shell code:

openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'

Response: This shell code kubeadm join | Example kubeadm join commands:


Prompt:
Explain this shell code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef 1.2.3.4:6443

Response: This shell code kubeadm join | For control-plane nodes:

Context: kubeadm join | For control-plane nodes:


Prompt:
Explain this shell code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef --control-plane 1.2.3.4:6443

Response: This shell code kubeadm join | You can also call join for a control-plane node with --certificate-key to copy certificates to this node, if the kubeadm init command was called with --upload-certs.


Prompt:
Explain this shell code:

kubeadm join --token abcdef.1234567890abcdef --discovery-token-unsafe-skip-ca-verification 1.2.3.4:6443

Response: This shell code kubeadm join | Advantages:

Context: kubeadm join | Advantages:


Prompt:
Explain this text code:

kubeadm join --discovery-file https://url/file.conf

Response: This text code kubeadm join | Advantages:

Context: kubeadm join | Advantages:


Prompt:
Explain this text code:

kubeadm kubeconfig user --org system:nodes --client-name system:node:$NODE > kubelet.conf

Response: This text code kubeadm join | If your cluster does not have the ca.key file, you must sign the embedded certificates in the kubelet.conf externally. For additional information, see PKI certificates and requirements and Certificate

Context: kubeadm join | If your cluster does not have the ca.key file, you must sign the embedded certificates in the kubelet.conf externally. For additional information, see PKI certificates and requirements and Certificate


Prompt:
Explain this text code:

--ignore-preflight-errors=FileAvailable--etc-kubernetes-kubelet.conf

Response: This text code kubeadm join | The defaults for kubeadm may not work for everyone. This section documents how to tighten up a kubeadm installation at the cost of some usability.

Context: kubeadm join | The defaults for kubeadm may not work for everyone. This section documents how to tighten up a kubeadm installation at the cost of some usability.


Prompt:
Explain this shell code:

kubectl delete clusterrolebinding kubeadm:node-autoapprove-bootstrap

Response: This shell code kubeadm join | After that, kubeadm join will block until the admin has manually approved the CSR in flight:


Prompt:
Explain this text code:

NAME                                                   AGE       REQUESTOR                 CONDITION
node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ   18s       system:bootstrap:878f07   Pending

Response: This text code kubeadm join | kubectl certificate approve allows the admin to approve CSR.This action tells a certificate signing controller to issue a certificate to the requestor with the attributes requested in the CSR.


Prompt:
Explain this shell code:

kubectl certificate approve node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ

Response: This shell code kubeadm join | The output is similar to this:


Prompt:
Explain this text code:

certificatesigningrequest "node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ" approved

Response: This text code kubeadm join | This would change the CSR resource to Active state.


Prompt:
Explain this text code:

NAME                                                   AGE       REQUESTOR                 CONDITION
node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ   1m        system:bootstrap:878f07   Approved,Issued

Response: This text code kubeadm join | This forces the workflow that kubeadm join will only succeed if kubectl certificate approve has been run.


Prompt:
Explain this shell code:

kubectl -n kube-public get cm cluster-info -o jsonpath='{.data.kubeconfig}' | tee cluster-info.yaml

Response: This shell code kubeadm join | The output is similar to this:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>

Response:
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []

Response: This yaml code kubeadm join | Use the cluster-info.yaml file as an argument to kubeadm join --discovery-file.


Prompt:
Explain this shell code:

kubectl -n kube-public delete rolebinding kubeadm:bootstrap-signer-clusterinfo

Response: This shell code kubeadm join | These commands should be run after kubeadm init but before kubeadm join.


Prompt:
Explain this text code:

sudo kubeadm join --skip-phases=preflight --config=config.yaml

Response: This text code kubeadm join | Alternatively, you can use the skipPhases field in JoinConfiguration.


Prompt:
Explain this text code:

openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'

Response: This text code kubeadm join | Example kubeadm join commands:


Prompt:
Explain this python code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef 1.2.3.4:6443

Response: This python code kubeadm join | For control-plane nodes:

Context: kubeadm join | For control-plane nodes:


Prompt:
Explain this python code:

kubeadm join --discovery-token abcdef.1234567890abcdef --discovery-token-ca-cert-hash sha256:1234..cdef --control-plane 1.2.3.4:6443

Response: This python code kubeadm join | You can also call join for a control-plane node with --certificate-key to copy certificates to this node, if the kubeadm init command was called with --upload-certs.


Prompt:
Explain this python code:

kubeadm join --token abcdef.1234567890abcdef --discovery-token-unsafe-skip-ca-verification 1.2.3.4:6443

Response: This python code kubeadm join | Advantages:

Context: kubeadm join | Advantages:


Prompt:
Explain this bash code:

kubectl delete clusterrolebinding kubeadm:node-autoapprove-bootstrap

Response: This bash code kubeadm join | After that, kubeadm join will block until the admin has manually approved the CSR in flight:


Prompt:
Explain this bash code:

kubectl certificate approve node-csr-c69HXe7aYcqkS1bKmH4faEnHAWxn6i2bHZ2mD04jZyQ

Response: This bash code kubeadm join | The output is similar to this:


Prompt:
Explain this bash code:

kubectl -n kube-public get cm cluster-info -o jsonpath='{.data.kubeconfig}' | tee cluster-info.yaml

Response: This bash code kubeadm join | The output is similar to this:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>

Response:
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: <ca-cert>
    server: https://<ip>:<port>
  name: ""
contexts: []
current-context: ""
preferences: {}
users: []

Response: This yaml code kubeadm join | Use the cluster-info.yaml file as an argument to kubeadm join --discovery-file.


Prompt:
Explain this bash code:

kubectl -n kube-public delete rolebinding kubeadm:bootstrap-signer-clusterinfo

Response: This bash code kubeadm join | These commands should be run after kubeadm init but before kubeadm join.


Prompt:
Explain this text code:

git clone https://github.com/<username>/website
cd website

Response: This text code Localizing Kubernetes documentation | The website content directory includes subdirectories for each language. The localization you want to help out with is inside content/<two-letter-code>.

Context: Localizing Kubernetes documentation | The website content directory includes subdirectories for each language. The localization you want to help out with is inside content/<two-letter-code>.


Prompt:
Complete this json code:

[languages.de]
title = "Kubernetes"
languageName = "Deutsch (German)"
weight = 5
contentDir = "content/de"
languagedirection = "ltr"

Response:
[languages.de.params]
time_format_blog = "02.01.2006"
language_alternatives = ["en"]
description = "Produktionsreife Container-Orchestrierung"
languageNameLatinScript = "Deutsch"

Context: Localizing Kubernetes documentation | The language selection bar lists the value for languageName. Assign "language name in native script and language (English language name in Latin script)" to languageName. For example, languageName = "


Prompt:
Explain this json code:

[languages.de]
title = "Kubernetes"
languageName = "Deutsch (German)"
weight = 5
contentDir = "content/de"
languagedirection = "ltr"

[languages.de.params]
time_format_blog = "02.01.2006"
language_alternatives = ["en"]
description = "Produktionsreife Container-Orchestrierung"
languageNameLatinScript = "Deutsch"

Response: This json code Localizing Kubernetes documentation | The language selection bar lists the value for languageName. Assign "language name in native script and language (English language name in Latin script)" to languageName. For example, languageName = "


Prompt:
Complete this text code:

# See the OWNERS docs at https://go.k8s.io/owners

# This is the localization project for Spanish.
# Teams and members are visible at https://github.com/orgs/kubernetes/teams.

reviewers:
- sig-docs-es-reviews

Response:
approvers:
- sig-docs-es-owners

labels:
- area/localization
- language/es

Context: Localizing Kubernetes documentation | After adding the language-specific OWNERS file, update the root OWNERS_ALIASES file with the new Kubernetes teams for the localization, sig-docs-**-owners and sig-docs-**-reviews.


Prompt:
Explain this text code:

# See the OWNERS docs at https://go.k8s.io/owners

# This is the localization project for Spanish.
# Teams and members are visible at https://github.com/orgs/kubernetes/teams.

reviewers:
- sig-docs-es-reviews

approvers:
- sig-docs-es-owners

labels:
- area/localization
- language/es

Response: This text code Localizing Kubernetes documentation | After adding the language-specific OWNERS file, update the root OWNERS_ALIASES file with the new Kubernetes teams for the localization, sig-docs-**-owners and sig-docs-**-reviews.


Prompt:
Complete this text code:

--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -48,6 +48,14 @@ aliases:
     - stewart-yu
     - xiangpengzhao
     - zhangxiaoyu-zidif
+  sig-docs-es-owners: # Admins for Spanish content
+    - alexbrand

Response:
+    - raelga
+  sig-docs-es-reviews: # PR reviews for Spanish content
+    - alexbrand
+    - electrocucaracha
+    - glo-pena
+    - raelga
   sig-docs-fr-owners: # Admins for French content
     - perriea
     - remyleone

Context: Localizing Kubernetes documentation | Next, open a pull request (PR) to add a localization to the kubernetes/website repository. The PR must include all the minimum required content before it can be approved.


Prompt:
Explain this text code:

--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -48,6 +48,14 @@ aliases:
     - stewart-yu
     - xiangpengzhao
     - zhangxiaoyu-zidif
+  sig-docs-es-owners: # Admins for Spanish content
+    - alexbrand
+    - raelga
+  sig-docs-es-reviews: # PR reviews for Spanish content
+    - alexbrand
+    - electrocucaracha
+    - glo-pena
+    - raelga
   sig-docs-fr-owners: # Admins for French content
     - perriea
     - remyleone

Response: This text code Localizing Kubernetes documentation | Next, open a pull request (PR) to add a localization to the kubernetes/website repository. The PR must include all the minimum required content before it can be approved.


Prompt:
Explain this text code:

mkdir -p content/de/docs/tutorials
cp -ra content/en/docs/tutorials/kubernetes-basics/ content/de/docs/tutorials/

Response: This text code Localizing Kubernetes documentation | Translation tools can speed up the translation process. For example, some editors offer plugins to quickly translate text.

Context: Localizing Kubernetes documentation | Translation tools can speed up the translation process. For example, some editors offer plugins to quickly translate text.


Prompt:
Explain this text code:

mkdir -p i18n/de
cp i18n/en/en.toml i18n/de/de.toml

Response: This text code Localizing Kubernetes documentation | Revise the comments at the top of the file to suit your localization, then translate the value of each string. For example, this is the German-language placeholder text for the search form:

Context: Localizing Kubernetes documentation | Revise the comments at the top of the file to suit your localization, then translate the value of each string. For example, this is the German-language placeholder text for the search form:


Prompt:
Explain this shell code:

git clone https://github.com/<username>/website
cd website

Response: This shell code Localizing Kubernetes documentation | The website content directory includes subdirectories for each language. The localization you want to help out with is inside content/<two-letter-code>.


Prompt:
Complete this toml code:

[languages.de]
title = "Kubernetes"
languageName = "Deutsch (German)"
weight = 5
contentDir = "content/de"
languagedirection = "ltr"

Response:
[languages.de.params]
time_format_blog = "02.01.2006"
language_alternatives = ["en"]
description = "Produktionsreife Container-Orchestrierung"
languageNameLatinScript = "Deutsch"


Prompt:
Explain this toml code:

[languages.de]
title = "Kubernetes"
languageName = "Deutsch (German)"
weight = 5
contentDir = "content/de"
languagedirection = "ltr"

[languages.de.params]
time_format_blog = "02.01.2006"
language_alternatives = ["en"]
description = "Produktionsreife Container-Orchestrierung"
languageNameLatinScript = "Deutsch"

Response: This toml code Localizing Kubernetes documentation | The language selection bar lists the value for languageName. Assign "language name in native script and language (English language name in Latin script)" to languageName. For example, languageName = "


Prompt:
Complete this yaml code:

# See the OWNERS docs at https://go.k8s.io/owners

# This is the localization project for Spanish.
# Teams and members are visible at https://github.com/orgs/kubernetes/teams.

reviewers:
- sig-docs-es-reviews

Response:
approvers:
- sig-docs-es-owners

labels:
- area/localization
- language/es


Prompt:
Explain this yaml code:

# See the OWNERS docs at https://go.k8s.io/owners

# This is the localization project for Spanish.
# Teams and members are visible at https://github.com/orgs/kubernetes/teams.

reviewers:
- sig-docs-es-reviews

approvers:
- sig-docs-es-owners

labels:
- area/localization
- language/es

Response: This yaml code Localizing Kubernetes documentation | After adding the language-specific OWNERS file, update the root OWNERS_ALIASES file with the new Kubernetes teams for the localization, sig-docs-**-owners and sig-docs-**-reviews.


Prompt:
Complete this diff code:

--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -48,6 +48,14 @@ aliases:
     - stewart-yu
     - xiangpengzhao
     - zhangxiaoyu-zidif
+  sig-docs-es-owners: # Admins for Spanish content
+    - alexbrand

Response:
+    - raelga
+  sig-docs-es-reviews: # PR reviews for Spanish content
+    - alexbrand
+    - electrocucaracha
+    - glo-pena
+    - raelga
   sig-docs-fr-owners: # Admins for French content
     - perriea
     - remyleone


Prompt:
Explain this diff code:

--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -48,6 +48,14 @@ aliases:
     - stewart-yu
     - xiangpengzhao
     - zhangxiaoyu-zidif
+  sig-docs-es-owners: # Admins for Spanish content
+    - alexbrand
+    - raelga
+  sig-docs-es-reviews: # PR reviews for Spanish content
+    - alexbrand
+    - electrocucaracha
+    - glo-pena
+    - raelga
   sig-docs-fr-owners: # Admins for French content
     - perriea
     - remyleone

Response: This diff code Localizing Kubernetes documentation | Next, open a pull request (PR) to add a localization to the kubernetes/website repository. The PR must include all the minimum required content before it can be approved.


Prompt:
Explain this shell code:

mkdir -p content/de/docs/tutorials
cp -ra content/en/docs/tutorials/kubernetes-basics/ content/de/docs/tutorials/

Response: This shell code Localizing Kubernetes documentation | Translation tools can speed up the translation process. For example, some editors offer plugins to quickly translate text.


Prompt:
Explain this bash code:

mkdir -p i18n/de
cp i18n/en/en.toml i18n/de/de.toml

Response: This bash code Localizing Kubernetes documentation | Revise the comments at the top of the file to suit your localization, then translate the value of each string. For example, this is the German-language placeholder text for the search form:


Prompt:
Explain this text code:

dev-<source version>-<language code>.<team milestone>

Response: This text code Localizing Kubernetes documentation | For example, an approver on a German localization team opens the localization branch dev-1.12-de.1 directly against the kubernetes/website repository, based on the source branch for Kubernetes v1.12.

Context: Localizing Kubernetes documentation | For example, an approver on a German localization team opens the localization branch dev-1.12-de.1 directly against the kubernetes/website repository, based on the source branch for Kubernetes v1.12.


Prompt:
Explain this text code:

git clone https://github.com/<username>/website
cd website

Response: This text code Localizing Kubernetes documentation | The website content directory includes subdirectories for each language. The localization you want to help out with is inside content/<two-letter-code>.