华为云Docker/Kubernetes(k8s) 21天学习云计算容器 视频版

## First get the all pods info. kubectl get pods -owide ## Create a Service and a Pod kubectl create service clusterip cce21days-app5-svc-mikeliu2018 --tcp=80:8080 kubectl get svc kubectl run cce21days-app5-pod-mikeliu2018 --image=nginx kubectl get pods ## Expose the Pod and we can get the info. by the curl command kubectl get endpoints kubectl expose deployment cce21days-app5-pod-mikeliu2018 --type=ClusterIP --name=cce21days-app5-endpoint-mikeliu2018 --port=8090 --target-port=80 kubectl get endpoints curl IPaddress:Ports ## Install the busybox pod for the nslookup Service. and the image version: 1.28 and te parameters sleep 3600 wget https://kubernetes.io/examples/admin/dns/busybox.yaml kubectl create -f busybox.yaml ## The Content of busybox.yaml Please reference the end ## resolve the pod info. kubectl exec -it busybox -- nslookup kubernetes.default ## Check the result info. kubectl describe svc cce21days-app5-svc-mikeliu2018 kubectl describe svc cce21days-app5-endpoint-mikeliu2018 kubectl describe endpoints cce21days-app5-svc-mikeliu2018 kubectl describe endpoints cce21days-app5-endpoint-mikeliu2018 ## The Content of Endpoint.yaml { kind: Service apiVersion: v1 metadata: name: cce21days-app5-endpoint-mikeliu2018 namespace: default selfLink: /api/v1/namespaces/default/services/cce21days-app5-endpoint-mikeliu2018 uid: d4b0e2cb-fdd8-11e8-b1db-fa163e9d962e resourceVersion: '299076' creationTimestamp: '2018-12-12T06:40:35Z' labels: run: cce21days-app5-pod-mikeliu2018 spec: ports: - protocol: TCP port: 8090 targetPort: 80 selector: run: cce21days-app5-pod-mikeliu2018 clusterIP: 10.247.221.118 type: ClusterIP sessionAffinity: None status: loadBalancer: {} } ## The Content of Service.yaml { kind: Service apiVersion: v1 metadata: name: cce21days-app5-svc-mikeliu2018 namespace: default selfLink: /api/v1/namespaces/default/services/cce21days-app5-svc-mikeliu2018 uid: bc8b1e35-fdd8-11e8-be9d-fa163e7484bb resourceVersion: '298975' creationTimestamp: '2018-12-12T06:39:55Z' labels: app: cce21days-app5-svc-mikeliu2018 spec: ports: - name: 80-8080 protocol: TCP port: 80 targetPort: 8080 selector: app: cce21days-app5-svc-mikeliu2018 clusterIP: 10.247.78.154 type: ClusterIP sessionAffinity: None status: loadBalancer: {} } ## The busybox.yaml file { kind: Pod apiVersion: v1 metadata: name: busybox namespace: default selfLink: /api/v1/namespaces/default/pods/busybox uid: 19882276-fdd6-11e8-bfe5-fa163edc93ee resourceVersion: '311720' creationTimestamp: '2018-12-12T06:21:02Z' annotations: kubernetes.io/availablezone: cn-north-1a spec: volumes: - name: default-token-hkz57 secret: secretName: default-token-hkz57 defaultMode: 420 containers: - name: busybox image: 'busybox:1.28' command: - sleep - '3600' resources: {} volumeMounts: - name: default-token-hkz57 readOnly: true mountPath: /var/run/secrets/kubernetes.io/serviceaccount terminationMessagePath: /dev/termination-log terminationMessagePolicy: File imagePullPolicy: IfNotPresent restartPolicy: Always terminationGracePeriodSeconds: 30 dnsPolicy: ClusterFirst serviceAccountName: default serviceAccount: default nodeName: 192.168.73.129 securityContext: {} schedulerName: default-scheduler tolerations: - key: node.kubernetes.io/not-ready operator: Exists effect: NoExecute tolerationSeconds: 300 - key: node.kubernetes.io/unreachable operator: Exists effect: NoExecute tolerationSeconds: 300 status: phase: Running conditions: - type: Initialized status: 'True' lastProbeTime: null lastTransitionTime: '2018-12-12T06:21:02Z' - type: Ready status: 'True' lastProbeTime: null lastTransitionTime: '2018-12-12T08:21:08Z' - type: PodScheduled status: 'True' lastProbeTime: null lastTransitionTime: '2018-12-12T06:21:02Z' hostIP: 192.168.73.129 podIP: 172.16.0.58 startTime: '2018-12-12T06:21:02Z' containerStatuses: - name: busybox state: running: startedAt: '2018-12-12T08:21:08Z' lastState: terminated: exitCode: 0 reason: Completed startedAt: '2018-12-12T07:21:06Z' finishedAt: '2018-12-12T08:21:06Z' containerID: >- docker://8f0dd58c8be1eb637490e618e7c1e068246321cb40b45c5f7d3ad7ba253dba4f ready: true restartCount: 2 image: 'busybox:1.28' imageID: >- docker-pullable://busybox@sha256:74f634b1bc1bd74535d5209589734efbd44a25f4e2dc96d78784576a3eb5b335 containerID: >- docker://e9fd24c7e19b1004ead0aedd63482c22a923756dfff6d84f2a7551222fcd5e71 qosClass: BestEffort managementIP: 192.168.73.129 }