v121_nobug.txt

# v1.21

$ kind create cluster --image kindest/node:v1.21.1
Creating cluster "kind" ...
⢎⡠ Ensuring node image (kindest/node:v1.21.1) 🖼 ^R[B
 ✓ Ensuring node image (kindest/node:v1.21.1) 🖼
 ✓ Preparing nodes 📦
 ✓ Writing configuration 📜
 ✓ Starting control-plane 🕹️
 ✓ Installing CNI 🔌
 ✓ Installing StorageClass 💾
Set kubectl context to "kind-kind"
You can now use your cluster with:

kubectl cluster-info --context kind-kind

Not sure what to do next? 😅  Check out https://kind.sigs.k8s.io/docs/user/quick-start/
$ kubectl create ns gengwg
namespace/gengwg created
$ k apply -f cron.yaml
cronjob.batch/example created
$ kubens gengwg
Context "kind-kind" modified.
Active namespace is "gengwg".
$ k get cronjob
NAME      SCHEDULE      SUSPEND   ACTIVE   LAST SCHEDULE   AGE
example   */1 * * * *   False     1        5s              42s
$ k get po
NAME                     READY   STATUS    RESTARTS   AGE
example-27507090-2mqlt   1/1     Running   0          7s
$ k describe po example-27507090-2mqlt
Name:         example-27507090-2mqlt
Namespace:    gengwg
Priority:     0
Node:         kind-control-plane/172.18.0.2
Start Time:   Tue, 19 Apr 2022 20:30:00 -0700
Labels:       controller-uid=87d7f603-2426-4cf5-8f21-dac44a179ef6
              job-name=example-27507090
Annotations:  <none>
Status:       Running
IP:           10.244.0.5
IPs:
  IP:           10.244.0.5
Controlled By:  Job/example-27507090
Containers:
  mycontainer:
    Container ID:  containerd://462c660ff00dac8b042b3caab3b036ae5a2143525baeda35966f92a80c8bd2b7
    Image:         busybox:1.31.1
    Image ID:      docker.io/library/busybox@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209
    Port:          <none>
    Host Port:     <none>
    Command:
      sleep
      10
    State:          Running
      Started:      Tue, 19 Apr 2022 20:30:04 -0700
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-qnf6n (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             True
  ContainersReady   True
  PodScheduled      True
Volumes:
  kube-api-access-qnf6n:
    Type:                    Projected (a volume that contains injected data from multiple sources)
    TokenExpirationSeconds:  3607
    ConfigMapName:           kube-root-ca.crt
    ConfigMapOptional:       <nil>
    DownwardAPI:             true
QoS Class:                   BestEffort
Node-Selectors:              <none>
Tolerations:                 node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                             node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
  Type    Reason     Age   From               Message
  ----    ------     ----  ----               -------
  Normal  Scheduled  13s   default-scheduler  Successfully assigned gengwg/example-27507090-2mqlt to kind-control-plane
  Normal  Pulling    13s   kubelet            Pulling image "busybox:1.31.1"
  Normal  Pulled     9s    kubelet            Successfully pulled image "busybox:1.31.1" in 3.567864s
  Normal  Created    9s    kubelet            Created container mycontainer
  Normal  Started    9s    kubelet            Started container mycontainer

$ k get po
NAME                     READY   STATUS      RESTARTS   AGE
example-27507090-2mqlt   0/1     Completed   0          88s
example-27507091-xwqqj   0/1     Completed   0          28s
$ k describe po example-27507091-xwqqj
Name:         example-27507091-xwqqj
Namespace:    gengwg
Priority:     0
Node:         kind-control-plane/172.18.0.2
Start Time:   Tue, 19 Apr 2022 20:31:00 -0700
Labels:       controller-uid=bb3687dd-f801-4771-aafb-0c0cae366c1c
              job-name=example-27507091
Annotations:  <none>
Status:       Succeeded
IP:           10.244.0.6
IPs:
  IP:           10.244.0.6
Controlled By:  Job/example-27507091
Containers:
  mycontainer:
    Container ID:  containerd://be20485cad28eab25d7a89ed7e76f0b7af29cfd888e071bc6ea5878e5110e62f
    Image:         busybox:1.31.1
    Image ID:      docker.io/library/busybox@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209
    Port:          <none>
    Host Port:     <none>
    Command:
      sleep
      10
    State:          Terminated
      Reason:       Completed
      Exit Code:    0
      Started:      Tue, 19 Apr 2022 20:31:01 -0700
      Finished:     Tue, 19 Apr 2022 20:31:11 -0700
    Ready:          False
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-2fnt7 (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             False
  ContainersReady   False
  PodScheduled      True
Volumes:
  kube-api-access-2fnt7:
    Type:                    Projected (a volume that contains injected data from multiple sources)
    TokenExpirationSeconds:  3607
    ConfigMapName:           kube-root-ca.crt
    ConfigMapOptional:       <nil>
    DownwardAPI:             true
QoS Class:                   BestEffort
Node-Selectors:              <none>
Tolerations:                 node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                             node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
  Type    Reason     Age   From               Message
  ----    ------     ----  ----               -------
  Normal  Scheduled  37s   default-scheduler  Successfully assigned gengwg/example-27507091-xwqqj to kind-control-plane
  Normal  Pulling    37s   kubelet            Pulling image "busybox:1.31.1"
  Normal  Pulled     36s   kubelet            Successfully pulled image "busybox:1.31.1" in 1.0359544s
  Normal  Created    36s   kubelet            Created container mycontainer
  Normal  Started    36s   kubelet            Started container mycontainer