Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod.yaml

Response: This bash code Logging Architecture | The output is:

Context: Logging Architecture | The output is:


Prompt:
Explain this text code:

0: Fri Apr  1 11:42:23 UTC 2022
1: Fri Apr  1 11:42:24 UTC 2022
2: Fri Apr  1 11:42:25 UTC 2022

Response: This text code Logging Architecture | You can use kubectl logs --previous to retrieve logs from a previous instantiation of a container. If your pod has multiple containers, specify which container's logs you want to access by appending a

Context: Logging Architecture | You can use kubectl logs --previous to retrieve logs from a previous instantiation of a container. If your pod has multiple containers, specify which container's logs you want to access by appending a


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:

Response:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']

Context: Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod-err.yaml

Response: This bash code Logging Architecture | To fetch only the stderr log stream, you can run:

Context: Logging Architecture | To fetch only the stderr log stream, you can run:


Prompt:
Explain this bash code:

kubectl get --raw "/api/v1/namespaces/default/pods/counter-err/log?stream=Stderr"

Response: This bash code Logging Architecture | See the kubectl logs documentation for more details.

Context: Logging Architecture | See the kubectl logs documentation for more details.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;

Response:
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Context: Logging Architecture | It is not recommended to write log entries with different formats to the same log stream, even if you managed to redirect both components to the stdout stream of the container. Instead, you can create


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | It is not recommended to write log entries with different formats to the same log stream, even if you managed to redirect both components to the stdout stream of the container. Instead, you can create


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Context: Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Complete this text code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022

Response:
2: Fri Apr  1 11:42:28 UTC 2022
...

Context: Logging Architecture | The output is similar to:


Prompt:
Explain this text code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022
2: Fri Apr  1 11:42:28 UTC 2022
...

Response: This text code Logging Architecture | The output is similar to:


Prompt:
Complete this text code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0

Response:
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...

Context: Logging Architecture | If you installed a node-level agent in your cluster, that agent picks up those log streams automatically without any further configuration. If you like, you can configure the agent to parse log lines


Prompt:
Explain this text code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...

Response: This text code Logging Architecture | If you installed a node-level agent in your cluster, that agent picks up those log streams automatically without any further configuration. If you like, you can configure the agent to parse log lines


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1

Response:
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>

Context: Logging Architecture | The second manifest describes a pod that has a sidecar container running fluentd. The pod mounts a volume where fluentd can pick up its configuration data.


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>

Response: This yaml code Logging Architecture | The second manifest describes a pod that has a sidecar container running fluentd. The pod mounts a volume where fluentd can pick up its configuration data.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Context: Logging Architecture |


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Response: This yaml code Logging Architecture |

Context: Logging Architecture |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:

Response:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod.yaml

Response: This shell code Logging Architecture | The output is:

Context: Logging Architecture | The output is:


Prompt:
Explain this console code:

0: Fri Apr  1 11:42:23 UTC 2022
1: Fri Apr  1 11:42:24 UTC 2022
2: Fri Apr  1 11:42:25 UTC 2022

Response: This console code Logging Architecture | You can use kubectl logs --previous to retrieve logs from a previous instantiation of a container. If your pod has multiple containers, specify which container's logs you want to access by appending a


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:

Response:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod-err.yaml

Response: This shell code Logging Architecture | To fetch only the stderr log stream, you can run:


Prompt:
Explain this shell code:

kubectl get --raw "/api/v1/namespaces/default/pods/counter-err/log?stream=Stderr"

Response: This shell code Logging Architecture | See the kubectl logs documentation for more details.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;

Response:
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | It is not recommended to write log entries with different formats to the same log stream, even if you managed to redirect both components to the stdout stream of the container. Instead, you can create


Prompt:
Explain this text code:

admin/logging/two-files-counter-pod-streaming-sidecar.yaml

Response: This text code Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Complete this console code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022

Response:
2: Fri Apr  1 11:42:28 UTC 2022
...


Prompt:
Explain this console code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022
2: Fri Apr  1 11:42:28 UTC 2022
...

Response: This console code Logging Architecture | The output is similar to:


Prompt:
Complete this console code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0

Response:
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...


Prompt:
Explain this console code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...

Response: This console code Logging Architecture | If you installed a node-level agent in your cluster, that agent picks up those log streams automatically without any further configuration. If you like, you can configure the agent to parse log lines


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1

Response:
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>

Response: This yaml code Logging Architecture | The second manifest describes a pod that has a sidecar container running fluentd. The pod mounts a volume where fluentd can pick up its configuration data.


Prompt:
Explain this text code:

admin/logging/two-files-counter-pod-agent-sidecar.yaml

Response: This text code Logging Architecture |

Context: Logging Architecture |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Context: Logging Architecture |


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Response: This yaml code Logging Architecture |

Context: Logging Architecture |


Prompt:
Complete this yaml code:

debug/counter-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter

Response:
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

debug/counter-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:

Response:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod.yaml

Response: This bash code Logging Architecture | The output is:

Context: Logging Architecture | The output is:


Prompt:
Explain this text code:

0: Fri Apr  1 11:42:23 UTC 2022
1: Fri Apr  1 11:42:24 UTC 2022
2: Fri Apr  1 11:42:25 UTC 2022

Response: This text code Logging Architecture | You can use kubectl logs --previous to retrieve logs from a previous instantiation of a container. If your pod has multiple containers, specify which container's logs you want to access by appending a


Prompt:
Complete this yaml code:

debug/counter-pod-err.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter-err

Response:
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

debug/counter-pod-err.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:

Response:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter-err
spec:
  containers:
  - name: count
    image: busybox:1.28
    args: [/bin/sh, -c,
            'i=0; while true; do echo "$i: $(date)"; echo "$i: err" >&2 ; i=$((i+1)); sleep 1; done']

Response: This yaml code Logging Architecture | To run this pod, use the following command:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/debug/counter-pod-err.yaml

Response: This bash code Logging Architecture | To fetch only the stderr log stream, you can run:


Prompt:
Explain this bash code:

kubectl get --raw "/api/v1/namespaces/default/pods/counter-err/log?stream=Stderr"

Response: This bash code Logging Architecture | See the kubectl logs documentation for more details.


Prompt:
Complete this yaml code:

admin/logging/two-files-counter-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >

Response:
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

admin/logging/two-files-counter-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | It is not recommended to write log entries with different formats to the same log stream, even if you managed to redirect both components to the stdout stream of the container. Instead, you can create


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;

Response:
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | It is not recommended to write log entries with different formats to the same log stream, even if you managed to redirect both components to the stdout stream of the container. Instead, you can create


Prompt:
Complete this yaml code:

admin/logging/two-files-counter-pod-streaming-sidecar.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));

Response:
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

admin/logging/two-files-counter-pod-streaming-sidecar.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-1
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/1.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-log-2
    image: busybox:1.28
    args: [/bin/sh, -c, 'tail -n+1 -F /var/log/2.log']
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  volumes:
  - name: varlog
    emptyDir: {}

Response: This yaml code Logging Architecture | Now when you run this pod, you can access each log stream separately by running the following commands:


Prompt:
Complete this text code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022

Response:
2: Fri Apr  1 11:42:28 UTC 2022
...


Prompt:
Explain this text code:

0: Fri Apr  1 11:42:26 UTC 2022
1: Fri Apr  1 11:42:27 UTC 2022
2: Fri Apr  1 11:42:28 UTC 2022
...

Response: This text code Logging Architecture | The output is similar to:


Prompt:
Complete this text code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0

Response:
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...


Prompt:
Explain this text code:

Fri Apr  1 11:42:29 UTC 2022 INFO 0
Fri Apr  1 11:42:30 UTC 2022 INFO 0
Fri Apr  1 11:42:31 UTC 2022 INFO 0
...

Response: This text code Logging Architecture | If you installed a node-level agent in your cluster, that agent picks up those log streams automatically without any further configuration. If you like, you can configure the agent to parse log lines


Prompt:
Complete this yaml code:

admin/logging/fluentd-sidecar-config.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1

Response:
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>


Prompt:
Explain this yaml code:

admin/logging/fluentd-sidecar-config.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>

Response: This yaml code Logging Architecture | The second manifest describes a pod that has a sidecar container running fluentd. The pod mounts a volume where fluentd can pick up its configuration data.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1

Response:
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      type tail
      format none
      path /var/log/1.log
      pos_file /var/log/1.log.pos
      tag count.format1
    </source>

    <source>
      type tail
      format none
      path /var/log/2.log
      pos_file /var/log/2.log.pos
      tag count.format2
    </source>

    <match **>
      type google_cloud
    </match>

Response: This yaml code Logging Architecture | The second manifest describes a pod that has a sidecar container running fluentd. The pod mounts a volume where fluentd can pick up its configuration data.


Prompt:
Complete this yaml code:

admin/logging/two-files-counter-pod-agent-sidecar.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Context: Logging Architecture |


Prompt:
Explain this yaml code:

admin/logging/two-files-counter-pod-agent-sidecar.yaml
apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Response: This yaml code Logging Architecture |

Context: Logging Architecture |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;

Response:
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Context: Logging Architecture |


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: counter
spec:
  containers:
  - name: count
    image: busybox:1.28
    args:
    - /bin/sh
    - -c
    - >
      i=0;
      while true;
      do
        echo "$i: $(date)" >> /var/log/1.log;
        echo "$(date) INFO $i" >> /var/log/2.log;
        i=$((i+1));
        sleep 1;
      done
    volumeMounts:
    - name: varlog
      mountPath: /var/log
  - name: count-agent
    image: registry.k8s.io/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: varlog
      mountPath: /var/log
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: varlog
    emptyDir: {}
  - name: config-volume
    configMap:
      name: fluentd-config

Response: This yaml code Logging Architecture |

Context: Logging Architecture |


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:

Response:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978

Context: Network Policies | Mandatory Fields: As with all other Kubernetes config, a NetworkPolicy needs apiVersion, kind, and metadata fields. For general information about working with config files, see Configure a Pod to Use


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978

Response: This yaml code Network Policies | Mandatory Fields: As with all other Kubernetes config, a NetworkPolicy needs apiVersion, kind, and metadata fields. For general information about working with config files, see Configure a Pod to Use


Prompt:
Complete this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...

Context: Network Policies | This policy contains a single from element allowing connections from Pods with the label role=client in namespaces with the label user=alice. But the following policy is different:


Prompt:
Explain this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...

Response: This text code Network Policies | This policy contains a single from element allowing connections from Pods with the label role=client in namespaces with the label user=alice. But the following policy is different:


Prompt:
Complete this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...

Context: Network Policies | It contains two elements in the from array, and allows connections from Pods in the local Namespace with the label role=client, or from any Pod in any namespace with the label user=alice.


Prompt:
Explain this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...

Response: This text code Network Policies | It contains two elements in the from array, and allows connections from Pods in the local Namespace with the label role=client, or from any Pod in any namespace with the label user=alice.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress

Context: Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress

Response:
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress

Context: Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress

Context: Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress

Response:
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress

Context: Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all

Response:
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress

Context: Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db

Response:
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768

Context: Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768

Response: This yaml code Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Explain this bash code:

kubectl label namespace frontend namespace=frontend
kubectl label namespace backend namespace=backend

Response: This bash code Network Policies | Add the labels under namespaceSelector in your NetworkPolicy document. For example:

Context: Network Policies | Add the labels under namespaceSelector in your NetworkPolicy document. For example:


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp

Response:
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]

Context: Network Policies | The Kubernetes control plane sets an immutable label kubernetes.io/metadata.name on all namespaces, the value of the label is the namespace name.


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]

Response: This yaml code Network Policies | The Kubernetes control plane sets an immutable label kubernetes.io/metadata.name on all namespaces, the value of the label is the namespace name.


Prompt:
Complete this text code:

...
  spec:
    podSelector:

Response:
      matchLabels:
        role: client
  ...

Context: Network Policies | a hostNetwork pod is selected by a podSelector or namespaceSelector in an ingress or egress rule.


Prompt:
Explain this text code:

...
  spec:
    podSelector:
      matchLabels:
        role: client
  ...

Response: This text code Network Policies | a hostNetwork pod is selected by a podSelector or namespaceSelector in an ingress or egress rule.


Prompt:
Complete this text code:

...
  ingress:
    - from:

Response:
      - podSelector:
          matchLabels:
            role: client
  ...

Context: Network Policies | At the same time, since hostNetwork pods have the same IP addresses as the nodes they reside on, their connections will be treated as node connections. For example, you can allow traffic from a hostNe


Prompt:
Explain this text code:

...
  ingress:
    - from:
      - podSelector:
          matchLabels:
            role: client
  ...

Response: This text code Network Policies | At the same time, since hostNetwork pods have the same IP addresses as the nodes they reside on, their connections will be treated as node connections. For example, you can allow traffic from a hostNe


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:

Response:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978

Response: This yaml code Network Policies | Mandatory Fields: As with all other Kubernetes config, a NetworkPolicy needs apiVersion, kind, and metadata fields. For general information about working with config files, see Configure a Pod to Use


Prompt:
Complete this yaml code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...


Prompt:
Explain this yaml code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...

Response: This yaml code Network Policies | This policy contains a single from element allowing connections from Pods with the label role=client in namespaces with the label user=alice. But the following policy is different:


Prompt:
Complete this yaml code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...


Prompt:
Explain this yaml code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...

Response: This yaml code Network Policies | It contains two elements in the from array, and allows connections from Pods in the local Namespace with the label role=client, or from any Pod in any namespace with the label user=alice.


Prompt:
Explain this text code:

service/networking/network-policy-default-deny-ingress.yaml

Response: This text code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Explain this text code:

service/networking/network-policy-allow-all-ingress.yaml

Response: This text code Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress

Response:
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Explain this text code:

service/networking/network-policy-default-deny-egress.yaml

Response: This text code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Explain this text code:

service/networking/network-policy-allow-all-egress.yaml

Response: This text code Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress

Response:
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Explain this text code:

service/networking/network-policy-default-deny-all.yaml

Response: This text code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all

Response:
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Explain this text code:

service/networking/networkpolicy-multiport-egress.yaml

Response: This text code Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db

Response:
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768

Response: This yaml code Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Explain this shell code:

kubectl label namespace frontend namespace=frontend
kubectl label namespace backend namespace=backend

Response: This shell code Network Policies | Add the labels under namespaceSelector in your NetworkPolicy document. For example:


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp

Response:
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]

Response: This yaml code Network Policies | The Kubernetes control plane sets an immutable label kubernetes.io/metadata.name on all namespaces, the value of the label is the namespace name.


Prompt:
Complete this yaml code:

...
  spec:
    podSelector:

Response:
      matchLabels:
        role: client
  ...


Prompt:
Explain this yaml code:

...
  spec:
    podSelector:
      matchLabels:
        role: client
  ...

Response: This yaml code Network Policies | a hostNetwork pod is selected by a podSelector or namespaceSelector in an ingress or egress rule.


Prompt:
Complete this yaml code:

...
  ingress:
    - from:

Response:
      - podSelector:
          matchLabels:
            role: client
  ...


Prompt:
Explain this yaml code:

...
  ingress:
    - from:
      - podSelector:
          matchLabels:
            role: client
  ...

Response: This yaml code Network Policies | At the same time, since hostNetwork pods have the same IP addresses as the nodes they reside on, their connections will be treated as node connections. For example, you can allow traffic from a hostNe


Prompt:
Complete this yaml code:

service/networking/networkpolicy.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16

Response:
        except:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978


Prompt:
Explain this yaml code:

service/networking/networkpolicy.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978

Response: This yaml code Network Policies | Mandatory Fields: As with all other Kubernetes config, a NetworkPolicy needs apiVersion, kind, and metadata fields. For general information about working with config files, see Configure a Pod to Use


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:

Response:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - ipBlock:
        cidr: 172.17.0.0/16
        except:
        - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - protocol: TCP
      port: 6379
  egress:
  - to:
    - ipBlock:
        cidr: 10.0.0.0/24
    ports:
    - protocol: TCP
      port: 5978

Response: This yaml code Network Policies | Mandatory Fields: As with all other Kubernetes config, a NetworkPolicy needs apiVersion, kind, and metadata fields. For general information about working with config files, see Configure a Pod to Use


Prompt:
Complete this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...


Prompt:
Explain this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
      podSelector:
        matchLabels:
          role: client
  ...

Response: This text code Network Policies | This policy contains a single from element allowing connections from Pods with the label role=client in namespaces with the label user=alice. But the following policy is different:


Prompt:
Complete this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:

Response:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...


Prompt:
Explain this text code:

...
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          user: alice
    - podSelector:
        matchLabels:
          role: client
  ...

Response: This text code Network Policies | It contains two elements in the from array, and allows connections from Pods in the local Namespace with the label role=client, or from any Pod in any namespace with the label user=alice.


Prompt:
Complete this yaml code:

service/networking/network-policy-default-deny-ingress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

service/networking/network-policy-default-deny-ingress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-ingress
spec:
  podSelector: {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will still be isolated for ingress. This policy does not affect isolation for egress from any pod.


Prompt:
Complete this yaml code:

service/networking/network-policy-allow-all-ingress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress

Response:
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

service/networking/network-policy-allow-all-ingress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress

Response:
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-ingress
spec:
  podSelector: {}
  ingress:
  - {}
  policyTypes:
  - Ingress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any incoming connection to those pods to be denied. This policy has no effect on isolation for egress from any pod.


Prompt:
Complete this yaml code:

service/networking/network-policy-default-deny-egress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

service/networking/network-policy-default-deny-egress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
spec:
  podSelector: {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed egress traffic. This policy does not change the ingress isolation behavior of any pod.


Prompt:
Complete this yaml code:

service/networking/network-policy-allow-all-egress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress

Response:
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

service/networking/network-policy-allow-all-egress.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress

Response:
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-all-egress
spec:
  podSelector: {}
  egress:
  - {}
  policyTypes:
  - Egress

Response: This yaml code Network Policies | With this policy in place, no additional policy or policies can cause any outgoing connection from those pods to be denied. This policy has no effect on isolation for ingress to any pod.


Prompt:
Complete this yaml code:

service/networking/network-policy-default-deny-all.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:

Response:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress


Prompt:
Explain this yaml code:

service/networking/network-policy-default-deny-all.yaml
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Complete this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all

Response:
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress


Prompt:
Explain this yaml code:

---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress

Response: This yaml code Network Policies | This ensures that even pods that aren't selected by any other NetworkPolicy will not be allowed ingress or egress traffic.


Prompt:
Complete this yaml code:

service/networking/networkpolicy-multiport-egress.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db

Response:
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768


Prompt:
Explain this yaml code:

service/networking/networkpolicy-multiport-egress.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768

Response: This yaml code Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db

Response:
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: multi-port-egress
  namespace: default
spec:
  podSelector:
    matchLabels:
      role: db
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 10.0.0.0/24
      ports:
        - protocol: TCP
          port: 32000
          endPort: 32768

Response: This yaml code Network Policies | The above rule allows any Pod with label role=db on the namespace default to communicate with any IP within the range 10.0.0.0/24 over TCP, provided that the target port is between the range 32000 and


Prompt:
Explain this bash code:

kubectl label namespace frontend namespace=frontend
kubectl label namespace backend namespace=backend

Response: This bash code Network Policies | Add the labels under namespaceSelector in your NetworkPolicy document. For example:


Prompt:
Complete this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp

Response:
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]


Prompt:
Explain this yaml code:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: egress-namespaces
spec:
  podSelector:
    matchLabels:
      app: myapp
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchExpressions:
        - key: namespace
          operator: In
          values: ["frontend", "backend"]

Response: This yaml code Network Policies | The Kubernetes control plane sets an immutable label kubernetes.io/metadata.name on all namespaces, the value of the label is the namespace name.


Prompt:
Complete this text code:

...
  spec:
    podSelector:

Response:
      matchLabels:
        role: client
  ...


Prompt:
Explain this text code:

...
  spec:
    podSelector:
      matchLabels:
        role: client
  ...

Response: This text code Network Policies | a hostNetwork pod is selected by a podSelector or namespaceSelector in an ingress or egress rule.


Prompt:
Complete this text code:

...
  ingress:
    - from:

Response:
      - podSelector:
          matchLabels:
            role: client
  ...


Prompt:
Explain this text code:

...
  ingress:
    - from:
      - podSelector:
          matchLabels:
            role: client
  ...

Response: This text code Network Policies | At the same time, since hostNetwork pods have the same IP addresses as the nodes they reside on, their connections will be treated as node connections. For example, you can allow traffic from a hostNe


Prompt:
Complete this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:

Response:
  ...
  - type: Node
  ...

Context: Using Node Authorization | Or, start the API server with the --authorization-mode flag set to a comma-separated list that includes Node; for example:


Prompt:
Explain this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:
  ...
  - type: Node
  ...

Response: This yaml code Using Node Authorization | Or, start the API server with the --authorization-mode flag set to a comma-separated list that includes Node; for example:


Prompt:
Explain this text code:

kube-apiserver --authorization-mode=...,Node --other-options --more-options

Response: This text code Using Node Authorization | To limit the API objects kubelets are able to write, enable the NodeRestriction admission plugin by starting the apiserver with --enable-admission-plugins=...,NodeRestriction,...

Context: Using Node Authorization | To limit the API objects kubelets are able to write, enable the NodeRestriction admission plugin by starting the apiserver with --enable-admission-plugins=...,NodeRestriction,...


Prompt:
Complete this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:

Response:
  ...
  - type: Node
  ...


Prompt:
Explain this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:
  ...
  - type: Node
  ...

Response: This yaml code Using Node Authorization | Or, start the API server with the --authorization-mode flag set to a comma-separated list that includes Node; for example:


Prompt:
Explain this shell code:

kube-apiserver --authorization-mode=...,Node --other-options --more-options

Response: This shell code Using Node Authorization | To limit the API objects kubelets are able to write, enable the NodeRestriction admission plugin by starting the apiserver with --enable-admission-plugins=...,NodeRestriction,...


Prompt:
Complete this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:

Response:
  ...
  - type: Node
  ...


Prompt:
Explain this yaml code:

apiVersion: apiserver.config.k8s.io/v1
kind: AuthorizationConfiguration
authorizers:
  ...
  - type: Node
  ...

Response: This yaml code Using Node Authorization | Or, start the API server with the --authorization-mode flag set to a comma-separated list that includes Node; for example:


Prompt:
Explain this text code:

kube-apiserver --authorization-mode=...,Node --other-options --more-options

Response: This text code Using Node Authorization | To limit the API objects kubelets are able to write, enable the NodeRestriction admission plugin by starting the apiserver with --enable-admission-plugins=...,NodeRestriction,...


Prompt:
Explain this text code:

mkdir -p $HOME/<workspace>

export GOPATH=$HOME/<workspace>

Response: This text code Generating Reference Documentation for the Kubernetes API | Get a local clone of the following repositories:

Context: Generating Reference Documentation for the Kubernetes API | Get a local clone of the following repositories:


Prompt:
Complete this text code:

go get -u github.com/kubernetes-sigs/reference-docs

Response:
go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec

Context: Generating Reference Documentation for the Kubernetes API | If you don't already have the kubernetes/website repository, get it now:


Prompt:
Explain this text code:

go get -u github.com/kubernetes-sigs/reference-docs

go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec

Response: This text code Generating Reference Documentation for the Kubernetes API | If you don't already have the kubernetes/website repository, get it now:


Prompt:
Explain this text code:

git clone https://github.com/<your-username>/website $GOPATH/src/github.com/<your-username>/website

Response: This text code Generating Reference Documentation for the Kubernetes API | Get a clone of the kubernetes/kubernetes repository as k8s.io/kubernetes:

Context: Generating Reference Documentation for the Kubernetes API | Get a clone of the kubernetes/kubernetes repository as k8s.io/kubernetes:


Prompt:
Explain this text code:

git clone https://github.com/kubernetes/kubernetes $GOPATH/src/k8s.io/kubernetes

Response: This text code Generating Reference Documentation for the Kubernetes API | The base directory of your clone of the kubernetes/kubernetes repository is $GOPATH/src/k8s.io/kubernetes. The remaining steps refer to your base directory as <k8s-base>.

Context: Generating Reference Documentation for the Kubernetes API | The base directory of your clone of the kubernetes/kubernetes repository is $GOPATH/src/k8s.io/kubernetes. The remaining steps refer to your base directory as <k8s-base>.


Prompt:
Explain this text code:

export K8S_WEBROOT=${GOPATH}/src/github.com/<your-username>/website
export K8S_ROOT=${GOPATH}/src/k8s.io/kubernetes
export K8S_RELEASE=1.17.0

Response: This text code Generating Reference Documentation for the Kubernetes API | The updateapispec build target creates the versioned build directory. After the directory is created, the Open API spec is fetched from the <k8s-base> repository. These steps ensure that the version o

Context: Generating Reference Documentation for the Kubernetes API | The updateapispec build target creates the versioned build directory. After the directory is created, the Open API spec is fetched from the <k8s-base> repository. These steps ensure that the version o


Prompt:
Explain this json code:

[ -e "<rdocs-base>/gen-apidocs/build/index.html" ] && echo "index.html built" || echo "no index.html"
[ -e "<rdocs-base>/gen-apidocs/build/navData.js" ] && echo "navData.js built" || echo "no navData.js"

Response: This json code Generating Reference Documentation for the Kubernetes API | Go to the base of your local <web-base>, and view which files have been modified:

Context: Generating Reference Documentation for the Kubernetes API | Go to the base of your local <web-base>, and view which files have been modified:


Prompt:
Complete this text code:

static/docs/reference/generated/kubernetes-api/v1.34/css/bootstrap.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/font-awesome.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/stylesheet.css
static/docs/reference/generated/kubernetes-api/v1.34/fonts/FontAwesome.otf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.eot
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.svg

Context: Generating Reference Documentation for the Kubernetes API | When generating reference documentation for a new release, update the file, <web-base>/content/en/docs/reference/kubernetes-api/api-index.md with the new version number.


Prompt:
Explain this text code:

static/docs/reference/generated/kubernetes-api/v1.34/css/bootstrap.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/font-awesome.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/stylesheet.css
static/docs/reference/generated/kubernetes-api/v1.34/fonts/FontAwesome.otf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.eot
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.svg
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.ttf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.woff
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.woff2
static/docs/reference/generated/kubernetes-api/v1.34/index.html
static/docs/reference/generated/kubernetes-api/v1.34/js/jquery.scrollTo.min.js
static/docs/reference/generated/kubernetes-api/v1.34/js/navData.js
static/docs/reference/generated/kubernetes-api/v1.34/js/scroll.js

Response: This text code Generating Reference Documentation for the Kubernetes API | When generating reference documentation for a new release, update the file, <web-base>/content/en/docs/reference/kubernetes-api/api-index.md with the new version number.


Prompt:
Complete this text code:

---
title: v1.17

Response:
---

[Kubernetes API v1.17](/docs/reference/generated/kubernetes-api/v1.17/)

Context: Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/_index.md for editing, and add a new link for the latest API reference. Remove the oldest API reference version. There should be five links to the most recent


Prompt:
Explain this text code:

---
title: v1.17
---

[Kubernetes API v1.17](/docs/reference/generated/kubernetes-api/v1.17/)

Response: This text code Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/_index.md for editing, and add a new link for the latest API reference. Remove the oldest API reference version. There should be five links to the most recent


Prompt:
Explain this text code:

cd <web-base>
git submodule update --init --recursive --depth 1 # if not already done
make container-serve

Response: This text code Generating Reference Documentation for the Kubernetes API | In <web-base>, run git add and git commit to commit the change.

Context: Generating Reference Documentation for the Kubernetes API | In <web-base>, run git add and git commit to commit the change.


Prompt:
Explain this shell code:

mkdir -p $HOME/<workspace>

export GOPATH=$HOME/<workspace>

Response: This shell code Generating Reference Documentation for the Kubernetes API | Get a local clone of the following repositories:


Prompt:
Complete this shell code:

go get -u github.com/kubernetes-sigs/reference-docs

Response:
go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec


Prompt:
Explain this shell code:

go get -u github.com/kubernetes-sigs/reference-docs

go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec

Response: This shell code Generating Reference Documentation for the Kubernetes API | If you don't already have the kubernetes/website repository, get it now:


Prompt:
Explain this shell code:

git clone https://github.com/<your-username>/website $GOPATH/src/github.com/<your-username>/website

Response: This shell code Generating Reference Documentation for the Kubernetes API | Get a clone of the kubernetes/kubernetes repository as k8s.io/kubernetes:


Prompt:
Explain this shell code:

git clone https://github.com/kubernetes/kubernetes $GOPATH/src/k8s.io/kubernetes

Response: This shell code Generating Reference Documentation for the Kubernetes API | The base directory of your clone of the kubernetes/kubernetes repository is $GOPATH/src/k8s.io/kubernetes. The remaining steps refer to your base directory as <k8s-base>.


Prompt:
Explain this text code:

$GOPATH/src/github.com/kubernetes-sigs/reference-docs

Response: This text code Generating Reference Documentation for the Kubernetes API | This section shows how to generate the published Kubernetes API reference documentation.

Context: Generating Reference Documentation for the Kubernetes API | This section shows how to generate the published Kubernetes API reference documentation.


Prompt:
Explain this shell code:

export K8S_WEBROOT=${GOPATH}/src/github.com/<your-username>/website
export K8S_ROOT=${GOPATH}/src/k8s.io/kubernetes
export K8S_RELEASE=1.17.0

Response: This shell code Generating Reference Documentation for the Kubernetes API | The updateapispec build target creates the versioned build directory. After the directory is created, the Open API spec is fetched from the <k8s-base> repository. These steps ensure that the version o


Prompt:
Explain this shell code:

[ -e "<rdocs-base>/gen-apidocs/build/index.html" ] && echo "index.html built" || echo "no index.html"
[ -e "<rdocs-base>/gen-apidocs/build/navData.js" ] && echo "navData.js built" || echo "no navData.js"

Response: This shell code Generating Reference Documentation for the Kubernetes API | Go to the base of your local <web-base>, and view which files have been modified:


Prompt:
Complete this text code:

static/docs/reference/generated/kubernetes-api/v1.34/css/bootstrap.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/font-awesome.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/stylesheet.css
static/docs/reference/generated/kubernetes-api/v1.34/fonts/FontAwesome.otf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.eot
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.svg


Prompt:
Explain this text code:

static/docs/reference/generated/kubernetes-api/v1.34/css/bootstrap.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/font-awesome.min.css
static/docs/reference/generated/kubernetes-api/v1.34/css/stylesheet.css
static/docs/reference/generated/kubernetes-api/v1.34/fonts/FontAwesome.otf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.eot
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.svg
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.ttf
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.woff
static/docs/reference/generated/kubernetes-api/v1.34/fonts/fontawesome-webfont.woff2
static/docs/reference/generated/kubernetes-api/v1.34/index.html
static/docs/reference/generated/kubernetes-api/v1.34/js/jquery.scrollTo.min.js
static/docs/reference/generated/kubernetes-api/v1.34/js/navData.js
static/docs/reference/generated/kubernetes-api/v1.34/js/scroll.js

Response: This text code Generating Reference Documentation for the Kubernetes API | When generating reference documentation for a new release, update the file, <web-base>/content/en/docs/reference/kubernetes-api/api-index.md with the new version number.


Prompt:
Explain this text code:

<web-base>/content/en/docs/reference/kubernetes-api/api-index.md

Response: This text code Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/kubernetes-api/api-index.md for editing, and update the API reference version number. For example:

Context: Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/kubernetes-api/api-index.md for editing, and update the API reference version number. For example:


Prompt:
Explain this text code:

<web-base>/content/en/docs/reference/kubernetes-api/api-index.md

Response: This text code Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/_index.md for editing, and add a new link for the latest API reference. Remove the oldest API reference version. There should be five links to the most recent


Prompt:
Complete this text code:

---
title: v1.17

Response:
---

[Kubernetes API v1.17](/docs/reference/generated/kubernetes-api/v1.17/)


Prompt:
Explain this text code:

---
title: v1.17
---

[Kubernetes API v1.17](/docs/reference/generated/kubernetes-api/v1.17/)

Response: This text code Generating Reference Documentation for the Kubernetes API | Open <web-base>/content/en/docs/reference/_index.md for editing, and add a new link for the latest API reference. Remove the oldest API reference version. There should be five links to the most recent


Prompt:
Explain this shell code:

cd <web-base>
git submodule update --init --recursive --depth 1 # if not already done
make container-serve

Response: This shell code Generating Reference Documentation for the Kubernetes API | In <web-base>, run git add and git commit to commit the change.


Prompt:
Explain this text code:

mkdir -p $HOME/<workspace>

export GOPATH=$HOME/<workspace>

Response: This text code Generating Reference Documentation for the Kubernetes API | Get a local clone of the following repositories:


Prompt:
Complete this text code:

go get -u github.com/kubernetes-sigs/reference-docs

Response:
go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec


Prompt:
Explain this text code:

go get -u github.com/kubernetes-sigs/reference-docs

go get -u github.com/go-openapi/loads
go get -u github.com/go-openapi/spec

Response: This text code Generating Reference Documentation for the Kubernetes API | If you don't already have the kubernetes/website repository, get it now:


Prompt:
Explain this text code:

git clone https://github.com/<your-username>/website $GOPATH/src/github.com/<your-username>/website

Response: This text code Generating Reference Documentation for the Kubernetes API | Get a clone of the kubernetes/kubernetes repository as k8s.io/kubernetes:


Prompt:
Explain this text code:

git clone https://github.com/kubernetes/kubernetes $GOPATH/src/k8s.io/kubernetes

Response: This text code Generating Reference Documentation for the Kubernetes API | The base directory of your clone of the kubernetes/kubernetes repository is $GOPATH/src/k8s.io/kubernetes. The remaining steps refer to your base directory as <k8s-base>.


Prompt:
Explain this text code:

export K8S_WEBROOT=${GOPATH}/src/github.com/<your-username>/website
export K8S_ROOT=${GOPATH}/src/k8s.io/kubernetes
export K8S_RELEASE=1.17.0

Response: This text code Generating Reference Documentation for the Kubernetes API | The updateapispec build target creates the versioned build directory. After the directory is created, the Open API spec is fetched from the <k8s-base> repository. These steps ensure that the version o


Prompt:
Explain this json code:

[ -e "<rdocs-base>/gen-apidocs/build/index.html" ] && echo "index.html built" || echo "no index.html"
[ -e "<rdocs-base>/gen-apidocs/build/navData.js" ] && echo "navData.js built" || echo "no navData.js"

Response: This json code Generating Reference Documentation for the Kubernetes API | Go to the base of your local <web-base>, and view which files have been modified:


Prompt:
Explain this text code:

cd <web-base>
git submodule update --init --recursive --depth 1 # if not already done
make container-serve

Response: This text code Generating Reference Documentation for the Kubernetes API | In <web-base>, run git add and git commit to commit the change.


Prompt:
Explain this text code:

--runtime-config=admissionregistration.k8s.io/v1beta1=false,apiextensions.k8s.io/v1beta1,...

Response: This text code Deprecated API Migration Guide | Use client warnings, metrics, and audit information available in 1.19+ to locate use of deprecated APIs.

Context: Deprecated API Migration Guide | Use client warnings, metrics, and audit information available in 1.19+ to locate use of deprecated APIs.


Prompt:
Explain this bash code:

kubectl convert -f <file> --output-version <group>/<version>

Response: This bash code Deprecated API Migration Guide | For example, to convert an older Deployment to apps/v1, you can run:

Context: Deprecated API Migration Guide | For example, to convert an older Deployment to apps/v1, you can run:


Prompt:
Explain this bash code:

kubectl convert -f ./my-deployment.yaml --output-version apps/v1

Response: This bash code Deprecated API Migration Guide | This conversion may use non-ideal default values. To learn more about a specific resource, check the Kubernetes API reference.

Context: Deprecated API Migration Guide | This conversion may use non-ideal default values. To learn more about a specific resource, check the Kubernetes API reference.


Prompt:
Explain this text code:

# Reconcile RBAC resources from a file
  kubectl auth reconcile -f my-rbac-rules.yaml

Response: This text code kubectl auth reconcile | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.

Context: kubectl auth reconcile | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Explain this text code:

# Reconcile RBAC resources from a file
  kubectl auth reconcile -f my-rbac-rules.yaml

Response: This text code kubectl auth reconcile | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-pod-demo
spec:
  securityContext:
    windowsOptions:

Response:
      runAsUserName: "ContainerUser"
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
  nodeSelector:
    kubernetes.io/os: windows

Context: Configure RunAsUserName for Windows pods and containers | Create the Pod:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-pod-demo
spec:
  securityContext:
    windowsOptions:
      runAsUserName: "ContainerUser"
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
  nodeSelector:
    kubernetes.io/os: windows

Response: This yaml code Configure RunAsUserName for Windows pods and containers | Create the Pod:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/windows/run-as-username-pod.yaml

Response: This bash code Configure RunAsUserName for Windows pods and containers | Verify that the Pod's Container is running:

Context: Configure RunAsUserName for Windows pods and containers | Verify that the Pod's Container is running:


Prompt:
Explain this bash code:

kubectl exec -it run-as-username-pod-demo -- powershell

Response: This bash code Configure RunAsUserName for Windows pods and containers | Check that the shell is running user the correct username:

Context: Configure RunAsUserName for Windows pods and containers | Check that the shell is running user the correct username:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-container-demo
spec:
  securityContext:
    windowsOptions:
      runAsUserName: "ContainerUser"

Response:
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
    securityContext:
        windowsOptions:
            runAsUserName: "ContainerAdministrator"
  nodeSelector:
    kubernetes.io/os: windows


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-container-demo
spec:
  securityContext:
    windowsOptions:
      runAsUserName: "ContainerUser"
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
    securityContext:
        windowsOptions:
            runAsUserName: "ContainerAdministrator"
  nodeSelector:
    kubernetes.io/os: windows

Response: This yaml code Configure RunAsUserName for Windows pods and containers | Create the Pod:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/windows/run-as-username-container.yaml

Response: This bash code Configure RunAsUserName for Windows pods and containers | Verify that the Pod's Container is running:


Prompt:
Explain this bash code:

kubectl exec -it run-as-username-container-demo -- powershell

Response: This bash code Configure RunAsUserName for Windows pods and containers | Check that the shell is running user the correct username (the one set at the Container level):

Context: Configure RunAsUserName for Windows pods and containers | Check that the shell is running user the correct username (the one set at the Container level):


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-pod-demo
spec:
  securityContext:
    windowsOptions:

Response:
      runAsUserName: "ContainerUser"
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
  nodeSelector:
    kubernetes.io/os: windows


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-pod-demo
spec:
  securityContext:
    windowsOptions:
      runAsUserName: "ContainerUser"
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
  nodeSelector:
    kubernetes.io/os: windows

Response: This yaml code Configure RunAsUserName for Windows pods and containers | Create the Pod:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/windows/run-as-username-pod.yaml

Response: This shell code Configure RunAsUserName for Windows pods and containers | Verify that the Pod's Container is running:


Prompt:
Explain this shell code:

kubectl exec -it run-as-username-pod-demo -- powershell

Response: This shell code Configure RunAsUserName for Windows pods and containers | Check that the shell is running user the correct username:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: run-as-username-container-demo
spec:
  securityContext:
    windowsOptions:
      runAsUserName: "ContainerUser"

Response:
  containers:
  - name: run-as-username-demo
    image: mcr.microsoft.com/windows/servercore:ltsc2019
    command: ["ping", "-t", "localhost"]
    securityContext:
        windowsOptions:
            runAsUserName: "ContainerAdministrator"
  nodeSelector:
    kubernetes.io/os: windows