kubectl describe pods

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Example: kubernetes-dashboard in EKS

kubectl describe pods
Name:         my-release-kubernetes-dashboard-b8c4f9c87-vljqm
Namespace:    default
Priority:     0
Node:         ip-10-0-3-153.us-east-2.compute.internal/10.0.3.153
Start Time:   Tue, 30 Nov 2021 00:09:06 +0300
Labels:       app.kubernetes.io/component=kubernetes-dashboard
              app.kubernetes.io/instance=my-release
              app.kubernetes.io/managed-by=Helm
              app.kubernetes.io/name=kubernetes-dashboard
              app.kubernetes.io/version=2.4.0
              helm.sh/chart=kubernetes-dashboard-5.0.4
              pod-template-hash=b8c4f9c87
Annotations:  kubernetes.io/psp: eks.privileged
              seccomp.security.alpha.kubernetes.io/pod: runtime/default
Status:       Running
IP:           10.0.3.167
IPs:
  IP:           10.0.3.167
Controlled By:  ReplicaSet/my-release-kubernetes-dashboard-b8c4f9c87
Containers:
  kubernetes-dashboard:
    Container ID:  docker://d09b4d275744f4f456f3cef5d1fa3ea29beb57e7695ced2cc84e37b1a52943e5
    Image:         kubernetesui/dashboard:v2.4.0
    Image ID:      docker-pullable://kubernetesui/dashboard@sha256:526850ae4ea9aba360e72b6df69fd3126b129d446efe83ac5250282b85f95b7f
    Port:          8443/TCP
    Host Port:     0/TCP
    Args:
      --namespace=default
      --auto-generate-certificates
      --metrics-provider=none
    State:          Running
      Started:      Tue, 30 Nov 2021 00:09:14 +0300
    Ready:          True
    Restart Count:  0
    Limits:
      cpu:     2
      memory:  200Mi
    Requests:
      cpu:        100m
      memory:     200Mi
    Liveness:     http-get https://:8443/ delay=30s timeout=30s period=10s #success=1 #failure=3
    Environment:  <none>
    Mounts:
      /certs from kubernetes-dashboard-certs (rw)
      /tmp from tmp-volume (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from my-release-kubernetes-dashboard-token-v9fvr (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             True
  ContainersReady   True
  PodScheduled      True
Volumes:
  kubernetes-dashboard-certs:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  my-release-kubernetes-dashboard-certs
    Optional:    false
  tmp-volume:
    Type:       EmptyDir (a temporary directory that shares a pod's lifetime)
    Medium:
    SizeLimit:  <unset>
  my-release-kubernetes-dashboard-token-v9fvr:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  my-release-kubernetes-dashboard-token-v9fvr
    Optional:    false
QoS Class:       Burstable
Node-Selectors:  <none>
Tolerations:     node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                 node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:          <none>

Example: Grafana in EKS

kubectl describe pods
Name:         grafana-65b996b88c-dxg4l
Namespace:    default
Priority:     0
Node:         ip-192-168-71-222.us-east-2.compute.internal/192.168.71.222
Start Time:   Mon, 29 Nov 2021 15:01:50 +0300
Labels:       app.kubernetes.io/instance=grafana
              app.kubernetes.io/name=grafana
              pod-template-hash=65b996b88c
Annotations:  checksum/config: a4050f488319bf769d1c8afa79d3cce1dc01de73d491b3516a39582a12f82c44
              checksum/dashboards-json-config: 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
              checksum/sc-dashboard-provider-config: 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
              checksum/secret: 7076c3f3658be7da8787fea30b2f227b4779eb4f071097eef69e82a413105f3d
              kubernetes.io/psp: eks.privileged
Status:       Running
IP:           192.168.66.98
IPs:
  IP:           192.168.66.98
Controlled By:  ReplicaSet/grafana-65b996b88c
Init Containers:
  init-chown-data:
    Container ID:  docker://3b6ec1fa25e20658dbb6cfa4ece98bbed657859bcba43c1de5ef0949c1a61f44
    Image:         busybox:1.31.1
    Image ID:      docker-pullable://busybox@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209
    Port:          <none>
    Host Port:     <none>
    Command:
      chown
      -R
      472:472
      /var/lib/grafana
    State:          Terminated
      Reason:       Completed
      Exit Code:    0
      Started:      Mon, 29 Nov 2021 15:02:01 +0300
      Finished:     Mon, 29 Nov 2021 15:02:01 +0300
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/lib/grafana from storage (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-ngqrq (ro)
Containers:
  grafana:
    Container ID:   docker://6f3add583b4726e8acb0bb35663c84204469743eaf7af26b3945391ac5c1f2c2
    Image:          grafana/grafana:8.2.5
    Image ID:       docker-pullable://grafana/grafana@sha256:00568d89c4f8a2cfa0d56f0fcd875b23ec8000b743a62f442e1ee91fce9a6e24
    Ports:          80/TCP, 3000/TCP
    Host Ports:     0/TCP, 0/TCP
    State:          Running
      Started:      Mon, 29 Nov 2021 15:02:08 +0300
    Ready:          True
    Restart Count:  0
    Liveness:       http-get http://:3000/api/health delay=60s timeout=30s period=10s #success=1 #failure=10
    Readiness:      http-get http://:3000/api/health delay=0s timeout=1s period=10s #success=1 #failure=3
    Environment:
      GF_SECURITY_ADMIN_USER:      <set to the key 'admin-user' in secret 'grafana'>      Optional: false
      GF_SECURITY_ADMIN_PASSWORD:  <set to the key 'admin-password' in secret 'grafana'>  Optional: false
      GF_PATHS_DATA:               /var/lib/grafana/
      GF_PATHS_LOGS:               /var/log/grafana
      GF_PATHS_PLUGINS:            /var/lib/grafana/plugins
      GF_PATHS_PROVISIONING:       /etc/grafana/provisioning
    Mounts:
      /etc/grafana/grafana.ini from config (rw,path="grafana.ini")
      /var/lib/grafana from storage (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-ngqrq (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             True
  ContainersReady   True
  PodScheduled      True
Volumes:
  config:
    Type:      ConfigMap (a volume populated by a ConfigMap)
    Name:      grafana
    Optional:  false
  storage:
    Type:       PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
    ClaimName:  grafana
    ReadOnly:   false
  kube-api-access-ngqrq:
    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               6m54s                  default-scheduler        Successfully assigned default/grafana-65b996b88c-dxg4l to ip-192-168-71-222.us-east-2.compute.internal
  Normal   SuccessfulAttachVolume  6m52s                  attachdetach-controller  AttachVolume.Attach succeeded for volume "pvc-87ffbfb1-0e66-4633-84df-9d3c655ee338"
  Normal   Pulling                 6m44s                  kubelet                  Pulling image "busybox:1.31.1"
  Normal   Pulled                  6m43s                  kubelet                  Successfully pulled image "busybox:1.31.1" in 795.579016ms
  Normal   Created                 6m43s                  kubelet                  Created container init-chown-data
  Normal   Started                 6m43s                  kubelet                  Started container init-chown-data
  Normal   Pulling                 6m42s                  kubelet                  Pulling image "grafana/grafana:8.2.5"
  Normal   Pulled                  6m36s                  kubelet                  Successfully pulled image "grafana/grafana:8.2.5" in 5.640256581s
  Normal   Created                 6m36s                  kubelet                  Created container grafana
  Normal   Started                 6m36s                  kubelet                  Started container grafana
  Warning  Unhealthy               6m34s (x2 over 6m36s)  kubelet                  Readiness probe failed: Get "http://192.168.66.98:3000/api/health": dial tcp 192.168.66.98:3000: connect: connection refused


Example: Redis in minikube

kubectl describe pod
Name:         redis
Namespace:    default
Priority:     0
Node:         minikube/192.168.99.100
Start Time:   Sat, 17 Jul 2021 20:07:06 +0400
Labels:       <none>
Annotations:  <none>
Status:       Running
IP:           172.17.0.5
IPs:
  IP:  172.17.0.5
Containers:
  redis:
    Container ID:   docker://f1bf24ad3f84de2d7bdd6a6d734d8f8b051c99ab7b138abfcdfd6af2283c4116
    Image:          redis
    Image ID:       docker-pullable://redis@sha256:b6a9fc3535388a6fc04f3bdb83fb4d9d0b4ffd85e7609a6ff2f0f731427823e3
    Port:           <none>
    Host Port:      <none>
    State:          Running
      Started:      Sat, 17 Jul 2021 20:07:42 +0400
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /data/redis from redis-storage (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-sck6w (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             True
  ContainersReady   True
  PodScheduled      True
Volumes:
  redis-storage:
    Type:       EmptyDir (a temporary directory that shares a pod's lifetime)
    Medium:
    SizeLimit:  <unset>
  kube-api-access-sck6w:
    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:                      <none>


Events

 .../...
 Normal   Pulled                  7m50s (x4 over 9m12s)   kubelet                  Container image "123243534.dkr.ecr.eu-central-1.amazonaws.com/your_proyect/elasticsearch:latest" already present on machine
 Warning  BackOff                 4m32s (x23 over 9m11s)  kubelet                  Back-off restarting failed container

Related

See also

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