K8S - pod describe 정보

 

- Namespace 설정 정보

kubectl describe namespace [namespace명]

---

- Pod 생성 후 describe 확인

kubectl describe pod nginx --namespace 1team

Name:         nginx-bis
Namespace:    1team
Priority:     0
Node:         node1/10.0.0.11
Start Time:   Tue, 26 Jul 2022 09:23:07 +0900
Labels:       run=nginx-bis
Annotations:  cni.projectcalico.org/containerID: 6071877fce5a745a7d05a55af25d41a233d337c54c06bbccaa6761575f7db0df
              cni.projectcalico.org/podIP: 192.168.166.133/32
              cni.projectcalico.org/podIPs: 192.168.166.133/32
Status:       Running
IP:           192.168.166.133
IPs:
  IP:  192.168.166.133
Containers:
  nginx-bis:
    Container ID:   containerd://f3aee58c84f3d9bc7f821254b7031cfa390d5ea473b4b0b261ca9db3662186ae
    Image:          nginx
    Image ID:       docker.io/library/nginx@sha256:1761fb5661e4d77e107427d8012ad3a5955007d997e0f4a3d41acc9ff20467c7
    Port:           80/TCP
    Host Port:      0/TCP
    State:          Running
      Started:      Tue, 26 Jul 2022 09:23:22 +0900
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-4zw2x (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             True 
  ContainersReady   True 
  PodScheduled      True 
Volumes:
  kube-api-access-4zw2x:
    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  23s   default-scheduler  Successfully assigned 1team/nginx-bis to node1
  Normal  Pulling    22s   kubelet            Pulling image "nginx"
  Normal  Pulled     8s    kubelet            Successfully pulled image "nginx" in 13.93103805s
  Normal  Created    8s    kubelet            Created container nginx-bis
  Normal  Started    8s    kubelet            Started container nginx-bis

---

- pod가 다르기 때문에 포트번호가 동일해도 생성된다.

kubectl describe pod apache-bis --namespace 1team

Name:         apache-bis
Namespace:    1team
Priority:     0
Node:         node3/10.0.0.13
Start Time:   Tue, 26 Jul 2022 09:25:40 +0900
Labels:       run=apache-bis
Annotations:  cni.projectcalico.org/containerID: d4a5e2adcde0f8ee969a5f9b28af7e9c1b7c511116e7607441218faeed9bcaf5
              cni.projectcalico.org/podIP: 192.168.135.9/32
              cni.projectcalico.org/podIPs: 192.168.135.9/32
Status:       Running
IP:           192.168.135.9
IPs:
  IP:  192.168.135.9
Containers:
  apache-bis:
    Container ID:   containerd://663753f7b8d27f2fbee2189b6f62dfef8990d0fd7d88164a5a16971a87603230
    Image:          httpd
    Image ID:       docker.io/library/httpd@sha256:75d370e19ec2a456b6c80110fe30694ffcd98fc85151a578e14334a51eb94578
    Port:           80/TCP
    Host Port:      0/TCP
    State:          Running
      Started:      Tue, 26 Jul 2022 09:25:43 +0900
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-ck62w (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             True 
  ContainersReady   True 
  PodScheduled      True 
Volumes:
  kube-api-access-ck62w:
    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  73s   default-scheduler  Successfully assigned 1team/apache-bis to node3
  Normal  Pulling    72s   kubelet            Pulling image "httpd"
  Normal  Pulled     70s   kubelet            Successfully pulled image "httpd" in 2.151043331s
  Normal  Created    70s   kubelet            Created container apache-bis
  Normal  Started    70s   kubelet            Started container apache-bis