파드 kube-apiserver

1 개요

kube-apiserver pod

# kubectl get pod -n kube-system kube-apiserver-controlplane -oyaml
apiVersion: v1
kind: Pod
metadata:
  annotations:
    kubeadm.kubernetes.io/kube-apiserver.advertise-address.endpoint: 172.30.1.2:6443
    kubernetes.io/config.hash: 6f02fb1b149af288ee0923e3d5997c5c
    kubernetes.io/config.mirror: 6f02fb1b149af288ee0923e3d5997c5c
    kubernetes.io/config.seen: "2024-02-04T07:55:46.158741137Z"
    kubernetes.io/config.source: file
  creationTimestamp: "2024-02-04T07:56:10Z"
  labels:
    component: kube-apiserver
    tier: control-plane
  name: kube-apiserver-controlplane
  namespace: kube-system
  ownerReferences:
  - apiVersion: v1
    controller: true
    kind: Node
    name: controlplane
    uid: 3dc60cbe-4e9b-4852-af95-22542229bf7d
  resourceVersion: "2098"
  uid: 0bb752ea-7dba-41af-88df-074003f5e8ed
spec:
  containers:
  - command:
    - kube-apiserver
    - --advertise-address=172.30.1.2
    - --allow-privileged=true
    - --authorization-mode=Node,RBAC
    - --client-ca-file=/etc/kubernetes/pki/ca.crt
    - --enable-admission-plugins=NodeRestriction
    - --enable-bootstrap-token-auth=true
    - --etcd-cafile=/etc/kubernetes/pki/etcd/ca.crt
    - --etcd-certfile=/etc/kubernetes/pki/apiserver-etcd-client.crt
    - --etcd-keyfile=/etc/kubernetes/pki/apiserver-etcd-client.key
    - --etcd-servers=https://127.0.0.1:2379
    - --kubelet-client-certificate=/etc/kubernetes/pki/apiserver-kubelet-client.crt
    - --kubelet-client-key=/etc/kubernetes/pki/apiserver-kubelet-client.key
    - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
    - --proxy-client-cert-file=/etc/kubernetes/pki/front-proxy-client.crt
    - --proxy-client-key-file=/etc/kubernetes/pki/front-proxy-client.key
    - --requestheader-allowed-names=front-proxy-client
    - --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt
    - --requestheader-extra-headers-prefix=X-Remote-Extra-
    - --requestheader-group-headers=X-Remote-Group
    - --requestheader-username-headers=X-Remote-User
    - --secure-port=6443
    - --service-account-issuer=https://kubernetes.default.svc.cluster.local
    - --service-account-key-file=/etc/kubernetes/pki/sa.pub
    - --service-account-signing-key-file=/etc/kubernetes/pki/sa.key
    - --service-cluster-ip-range=10.96.0.0/12
    - --tls-cert-file=/etc/kubernetes/pki/apiserver.crt
    - --tls-private-key-file=/etc/kubernetes/pki/apiserver.key
    image: registry.k8s.io/kube-apiserver:v1.29.0
    imagePullPolicy: IfNotPresent
    livenessProbe:
      failureThreshold: 8
      httpGet:
        host: 172.30.1.2
        path: /livez
        port: 6443
        scheme: HTTPS
      initialDelaySeconds: 10
      periodSeconds: 10
      successThreshold: 1
      timeoutSeconds: 15
    name: kube-apiserver
    readinessProbe:
      failureThreshold: 3
      httpGet:
        host: 172.30.1.2
        path: /readyz
        port: 6443
        scheme: HTTPS
      periodSeconds: 1
      successThreshold: 1
      timeoutSeconds: 15
    resources:
      requests:
        cpu: 50m
    startupProbe:
      failureThreshold: 24
      httpGet:
        host: 172.30.1.2
        path: /livez
        port: 6443
        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: /etc/kubernetes/pki
      name: k8s-certs
      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: /etc/kubernetes/pki
      type: DirectoryOrCreate
    name: k8s-certs
  - 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: "2024-02-21T02:45:04Z"
    status: "True"
    type: Ready
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:45:04Z"
    status: "True"
    type: ContainersReady
  - lastProbeTime: null
    lastTransitionTime: "2024-02-21T02:44:47Z"
    status: "True"
    type: PodScheduled
  containerStatuses:
  - containerID: containerd://2ddf6ca43cdeb21bb5bd3fee3dfd12e129e861b760f390d5ad19cbcfed5d4245
    image: registry.k8s.io/kube-apiserver:v1.29.0
    imageID: registry.k8s.io/kube-apiserver@sha256:921d9d4cda40bd481283375d39d12b24f51281682ae41f6da47f69cb072643bc
    lastState:
      terminated:
        containerID: containerd://5bcca327c2ac37152253d647a7ba2ac4f2b31beb47e967810ea501d8de6e0ab0
        exitCode: 255
        finishedAt: "2024-02-21T02:44:35Z"
        reason: Unknown
        startedAt: "2024-02-04T08:11:05Z"
    name: kube-apiserver
    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

• kube-apiserver