changes.mady.by.user Sansae
Saved on Mar 01, 2024
Saved on Mar 06, 2024
Image Modified
Image Added
#참고로 node가 다운되거나 네트워크 연결이 원활하지 않은 경우, 해당 node의 모든 Pod은 Failed phase로 전이(transition)된다.
https://dev-k8sref-io.web.app/docs/workloads/pod-v1/
apiVersion: 쿠버네티스 v1 #쿠버네티스 API버전을 가리킴
kind: 리소스 Pod #리소스 유형
metadata (ObjectMeta): 포드와 관련된 이름, 네임스페이스, 라벨, 그밖의 정보
spec (PodSpec): 컨테이너#컨테이너, 볼륨등의 정보
curl -X POST http://<kube-apiserver-ip>:<port>/api/v1/namespaces/default/pods \ -H "Content-Type: application/json" \ -d '{ "apiVersion": "v1", "kind": "Pod", "metadata": { "name": "nginx", "labels": { "app": "myapp", "type": "front-end" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:1.14.2", "ports": [ { "containerPort": 80 } ] } ] } }'
apiVersion: v1 kind: Pod metadata: name: nginx lables: app: myapp type: front-end spec: containers: - name: nginx image: nginx:1.14.2 ports: - containerPort: 80
Pod Command
kubectl run nginx --image=nginx:1.14.2 --dry-run=client # 명령어 검토 kubectl run nginx --image=nginx:1.14.2 --dry-run=client -o yaml # 명령에 대해 yaml로 보기 kubectl run nginx --image=nginx:1.14.2 --dry-run=client -o yaml > nginx-pod.yaml
apiVersion: v1 kind: Pod metadata: name: nginx lables: app: nginx tier: frontend spec: containers: - name: nginx image: nginx:1.14.2 ports: - containerPort: 80 # yaml을 파일로 저장하기
sansae@sansaeAir15m2 ~ % k apply -f nginx-pod.yaml pod/nginx created
sansae@sansaeAir15m2 ~ % k get pod NAME READY STATUS RESTARTS AGE nginx 1/1 Running 0 86m
sansae@sansaeAir15m2 ~ % k describe pod nginx Name: nginx Namespace: default Priority: 0 Service Account: default Node: aks-agentpool-33019784-vmss000000/10.224.0.4 Start Time: Fri, 08 Mar 2024 14:38:30 +0900 Labels: app=myapp, runtype=nginxfront-end Annotations: cni.projectcalico.org/containerID: caca6fff7130ca9b8ddc20811d6a24b2f5c4ef9acd135521e955343bb4d0c39b cni.projectcalico.org/podIP: 10.244.0.19/32 cni.projectcalico.org/podIPs: 10.244.0.19/32 Status: Running IP: 10.244.0.19 IPs: IP: 10.244.0.19 Containers: nginx: Container ID: containerd://999b11a1c2f614dff1cd1e7a00ca9960dc09ff148faaabace98ffa038b1582f0 Image: nginx:1.14.2 Image ID: docker.io/library/nginx@sha256:f7988fb6c02e0ce69257d9bd9cf37ae20a60f1df7563c3a2a6abe24160306b8d Port: <none> Host Port: <none> State: Running Started: Fri, 08 Mar 2024 14:38:36 +0900 Ready: True Restart Count: 0 Environment: <none> Mounts: /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-cpjv5 (ro) Conditions: Type Status Initialized True Ready True ContainersReady True PodScheduled True Volumes: kube-api-access-cpjv5: 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> sansae@sansaeAir15m2 ~ %
sansae@sansaeAir15m2 ~ % k delete -f nginx-pod.yaml pod "nginx" deleted --- sansae@sansaeAir15m2 ~ % k delete pod nginx pod "nginx" deleted
Image Removed