파드 kube-controller-manager

1 개요

pod/kube-controller-manager
파드 kube-controller-manager

$ kubectl get no
NAME           STATUS   ROLES           AGE   VERSION
controlplane   Ready    control-plane   16d   v1.29.0
node01         Ready    <none>          16d   v1.29.0

$ kubectl get pod -n kube-system -ojson | jq -r '.items | map(select(.metadata.ownerReferences[]?.kind == "Node" ) | .metadata.name) | .[]'
etcd-controlplane
kube-apiserver-controlplane
kube-controller-manager-controlplane
kube-scheduler-controlplane

$ kubectl get pod -n kube-system kube-controller-manager-controlplane -oyaml
apiVersion: v1
kind: Pod
metadata:
  annotations:
    kubernetes.io/config.hash: 935b51c776c9bcac8dbf3a7d870b331f
    kubernetes.io/config.mirror: 935b51c776c9bcac8dbf3a7d870b331f
    kubernetes.io/config.seen: "2024-02-04T07:55:46.167146589Z"
    kubernetes.io/config.source: file
  creationTimestamp: "2024-02-04T07:56:09Z"
  labels:
    component: kube-controller-manager
    tier: control-plane
  name: kube-controller-manager-controlplane
  namespace: kube-system
  ownerReferences:
  - apiVersion: v1
    controller: true
    kind: Node
    name: controlplane
    uid: 3dc60cbe-4e9b-4852-af95-22542229bf7d
  resourceVersion: "2104"
  uid: 845d9ec2-9255-40d9-b9eb-d3fa9dabb24b
spec:
  containers:
  - command:
    - kube-controller-manager
    - --allocate-node-cidrs=true
    - --authentication-kubeconfig=/etc/kubernetes/controller-manager.conf
    - --authorization-kubeconfig=/etc/kubernetes/controller-manager.conf
    - --bind-address=127.0.0.1
    - --client-ca-file=/etc/kubernetes/pki/ca.crt
    - --cluster-cidr=192.168.0.0/16
    - --cluster-name=kubernetes
    - --cluster-signing-cert-file=/etc/kubernetes/pki/ca.crt
    - --cluster-signing-key-file=/etc/kubernetes/pki/ca.key
    - --controllers=*,bootstrapsigner,tokencleaner
    - --kubeconfig=/etc/kubernetes/controller-manager.conf
    - --leader-elect=true
    - --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt
    - --root-ca-file=/etc/kubernetes/pki/ca.crt
    - --service-account-private-key-file=/etc/kubernetes/pki/sa.key
    - --service-cluster-ip-range=10.96.0.0/12
    - --use-service-account-credentials=true
    image: registry.k8s.io/kube-controller-manager:v1.29.0
    imagePullPolicy: IfNotPresent
    livenessProbe:
      failureThreshold: 8
      httpGet:
        host: 127.0.0.1
        path: /healthz
        port: 10257
        scheme: HTTPS
      initialDelaySeconds: 10
      periodSeconds: 10
      successThreshold: 1
      timeoutSeconds: 15
    name: kube-controller-manager
    resources:
      requests:
        cpu: 25m
    startupProbe:
      failureThreshold: 24
      httpGet:
        host: 127.0.0.1
        path: /healthz
        port: 10257
        scheme: HTTPS
      initialDelaySeconds: 10
      periodSeconds: 10
      successThreshold: 1
      timeoutSeconds: 15
    terminationMessagePath: /dev/termination-log
    terminationMessagePolicy: File
    volumeMounts:
    - mountPath: /etc/ssl/certs
      name: ca-certs
      readOnly: true
    - mountPath: /etc/ca-certificates
      name: etc-ca-certificates
      readOnly: true
    - mountPath: /etc/pki
      name: etc-pki
      readOnly: true
    - mountPath: /usr/libexec/kubernetes/kubelet-plugins/volume/exec
      name: flexvolume-dir
    - mountPath: /etc/kubernetes/pki
      name: k8s-certs
      readOnly: true
    - mountPath: /etc/kubernetes/controller-manager.conf
      name: kubeconfig
      readOnly: true
    - mountPath: /usr/local/share/ca-certificates
      name: usr-local-share-ca-certificates
      readOnly: true
    - mountPath: /usr/share/ca-certificates
      name: usr-share-ca-certificates
      readOnly: true
  dnsPolicy: ClusterFirst
  enableServiceLinks: true
  hostNetwork: true
  nodeName: controlplane
  preemptionPolicy: PreemptLowerPriority
  priority: 2000001000
  priorityClassName: system-node-critical
  restartPolicy: Always
  schedulerName: default-scheduler
  securityContext:
    seccompProfile:
      type: RuntimeDefault
  terminationGracePeriodSeconds: 30
  tolerations:
  - effect: NoExecute
    operator: Exists
  volumes:
  - hostPath:
      path: /etc/ssl/certs
      type: DirectoryOrCreate
    name: ca-certs
  - hostPath:
      path: /etc/ca-certificates
      type: DirectoryOrCreate
    name: etc-ca-certificates
  - hostPath:
      path: /etc/pki
      type: DirectoryOrCreate
    name: etc-pki
  - hostPath:
      path: /usr/libexec/kubernetes/kubelet-plugins/volume/exec
      type: DirectoryOrCreate
    name: flexvolume-dir
  - hostPath:
      path: /etc/kubernetes/pki
      type: DirectoryOrCreate
    name: k8s-certs
  - hostPath:
      path: /etc/kubernetes/controller-manager.conf
      type: FileOrCreate
    name: kubeconfig
  - hostPath:
      path: /usr/local/share/ca-certificates
      type: DirectoryOrCreate
    name: usr-local-share-ca-certificates
  - hostPath:
      path: /usr/share/ca-certificates
      type: DirectoryOrCreate
    name: usr-share-ca-certificates
status:
  conditions:
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:44:50Z"
    status: "True"
    type: PodReadyToStartContainers
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:44:47Z"
    status: "True"
    type: Initialized
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:45:06Z"
    status: "True"
    type: Ready
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:45:06Z"
    status: "True"
    type: ContainersReady
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:44:47Z"
    status: "True"
    type: PodScheduled
  containerStatuses:
  - containerID: containerd://c0b1be63f822b66c8de9ae60bf41c89b7aaa740bfc9493c301da96523b41a339
    image: registry.k8s.io/kube-controller-manager:v1.29.0
    imageID: registry.k8s.io/kube-controller-manager@sha256:d1e38ea25b27e57b41995ef59ad76dd33481853a5b8d1a91abb7a8be32b7e7da
    lastState:
      terminated:
        containerID: containerd://57f4c9c54cf042729e88643a9f49eb9b774dca4168e51170a3f033195630d70d
        exitCode: 255
        finishedAt: "2024-02-21T02:44:35Z"
        reason: Unknown
        startedAt: "2024-02-04T08:11:04Z"
    name: kube-controller-manager
    ready: true
    restartCount: 2
    started: true
    state:
      running:
        startedAt: "2024-02-21T02:44:49Z"
  hostIP: 172.30.1.2
  hostIPs:
  - ip: 172.30.1.2
  phase: Running
  podIP: 172.30.1.2
  podIPs:
  - ip: 172.30.1.2
  qosClass: Burstable
  startTime: "2024-02-21T02:44:47Z"

2 같이 보기