Команды kubectl

Posted on by Иван Т. 
controlplane ~ ➜  kubectl get service
NAME         TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)   AGE
kubernetes   ClusterIP   10.43.0.1    <none>        443/TCP   11m
controlplane ~ ➜  kubectl describe service

Покажет подробную информацию о службе
Name:                     kubernetes
Namespace:                default
Labels:                   component=apiserver
                          provider=kubernetes
Annotations:              <none>
Selector:                 <none>
Type:                     ClusterIP
IP Family Policy:         SingleStack
IP Families:              IPv4
IP:                       10.43.0.1
IPs:                      10.43.0.1
Port:                     https  443/TCP
TargetPort:               6443/TCP
Endpoints:                192.168.233.156:6443
Session Affinity:         None
Internal Traffic Policy:  Cluster
Events:                   <none>

Сколько существует развертываний в системе? (1)

controlplane ~ ➜  kubectl get deployment
NAME                       READY   UP-TO-DATE   AVAILABLE   AGE
simple-webapp-deployment   4/4     4            4           22s

Какой образ используется для создания Pod при развертывании?

Смотрим строку Image: kodekloud/simple-webapp:red

controlplane ~ ✖ kubectl describe deployment
Name:                   simple-webapp-deployment
Namespace:              default
CreationTimestamp:      Sat, 16 Nov 2024 17:24:40 +0000
Labels:                 <none>
Annotations:            deployment.kubernetes.io/revision: 1
Selector:               name=simple-webapp
Replicas:               4 desired | 4 updated | 4 total | 4 available | 0 unavailable
StrategyType:           RollingUpdate
MinReadySeconds:        0
RollingUpdateStrategy:  25% max unavailable, 25% max surge
Pod Template:
  Labels:  name=simple-webapp
  Containers:
   simple-webapp:
    Image:         kodekloud/simple-webapp:red
    Port:          8080/TCP
    Host Port:     0/TCP
    Environment:   <none>
    Mounts:        <none>
  Volumes:         <none>
  Node-Selectors:  <none>
  Tolerations:     <none>
Conditions:
  Type           Status  Reason
  ----           ------  ------
  Available      True    MinimumReplicasAvailable
  Progressing    True    NewReplicaSetAvailable
OldReplicaSets:  <none>
NewReplicaSet:   simple-webapp-deployment-646b7d6cd4 (4/4 replicas created)
Events:
  Type    Reason             Age   From                   Message
  ----    ------             ----  ----                   -------
  Normal  ScalingReplicaSet  2m2s  deployment-controller  Scaled up replica set simple-webapp-deployment-646b7d6cd4 to 4

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