{"id":553,"title":"kubernetes-service","good":0,"bad":0,"hit":1030,"created_at":"2023-01-04 02:54:45","content":"

\u5c06\u4e00\u7ec4 <\/span>Pods<\/span> \u516c\u5f00\u4e3a\u7f51\u7edc\u670d\u52a1\u7684\u62bd\u8c61\u65b9\u6cd5\u3002<\/span><\/p>

\u4e3a\u4ec0\u4e48\u4f1a\u6709\u8fd9\u4e2a\u4e1c\u897f\u5462\uff0c\u6bd4\u5982\u524d\u7aef\u8c03\u7528\u540e\u7aef\u7684\u63a5\u53e3\uff0c\u5982\u679c\u6709\u591a\u53f0\u670d\u52a1\u5668\uff0cip\u6216\u7aef\u53e3\u53ef\u80fd\u4e0d\u4e00\u6837\uff0c\u6d4b\u8bd5\u73af\u5883\u548c\u751f\u4ea7\u73af\u5883\u53c8\u53ef\u80fd\u4e0d\u4e00\u6837\uff1b\u4e0d\u65b9\u4fbf\u7ef4\u62a4<\/span><\/p>

service\u7edf\u4e00\u8bbf\u95ee\u540d\u79f0\u540e\uff0c\u4e0d\u6539\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0d\u7528\u6bcf\u6b21\u90fd\u4fee\u6539\uff0c\u65b9\u4fbf\u7ef4\u62a4\uff1b\u800c\u4e14\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u7c7b\u4f3c\u4e8enginx\u7684upstream<\/span><\/p>

<\/span><\/p>

# \u67e5\u770bservice<\/span><\/p>

kubectl get svc<\/span><\/p>

<\/span><\/p>

#\u66b4\u9732Deploy<\/p>

# type\u53ef\u4ee5\u4e0d\u6307\u5b9a\uff0c\u9ed8\u8ba4\u4e3aClusterIP,\u8fd8\u6709\u53ef\u9009\u503cNodePort<\/p>

# NodePort\u8303\u56f4\u5728 30000-32767 \u4e4b\u95f4# \u4ed6\u4eec\u7684\u533a\u522b\u662ftype==ClusterIP\u65f6\uff0c\u53ea\u80fd\u5728\u96c6\u7fa4\u5185\u90e8\u8bbf\u95ee\uff0c\u8981\u60f3\u5728\u96c6\u7fa4\u5916\u8bbf\u95ee\u9700\u6307\u5b9a\u4e3aNodePort\u65b9\u5f0f<\/p>

kubectl expose deployment my-dep --port=\u5bf9\u5916\u66b4\u9732\u7684\u7aef\u53e3 --target-port=\u5bb9\u5668\u7684\u7aef\u53e3 --type=ClusterIP<\/p>

<\/p>

# \u8bbf\u95ee\u65b9\u5f0f\u53ef\u4ee5\u7528<\/p>

ip:\u5bf9\u5916\u66b4\u9732\u7684\u7aef\u53e3<\/p>

\u6216<\/p>

service\u540d.namespace.svc<\/p>

<\/p>

#\u4f7f\u7528\u6807\u7b7e\u68c0\u7d22Pod\u53ef\u67e5\u770bip<\/p>

kubectl get pod -l app=my-dep<\/p>

<\/p>

# yaml\u6587\u4ef6\u65b9\u5f0f<\/p>

apiVersion: v1<\/p>

kind: Service<\/p>

metadata:<\/p>

  labels:<\/p>

    app: my-dep<\/p>

  name: my-dep<\/p>

spec:<\/p>

  ports:<\/p>

  - port: 8000<\/p>

    protocol: TCP<\/p>

    targetPort: 80<\/p>

  selector:<\/p>

    app: my-dep<\/p>

  type: NodePort<\/p>

<\/p>

<\/p>"}