86 lines
2.0 KiB
Python
86 lines
2.0 KiB
Python
import json
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import yaml
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from kubernetes import client, config
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from flask import jsonify
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# Load in-cluster config
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config.load_incluster_config()
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v1 = client.CoreV1Api()
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namespace = open("/var/run/secrets/kubernetes.io/serviceaccount/namespace").read()
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IP = "36.138.114.105"
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def list_pods():
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ret = v1.list_namespaced_pod(namespace, watch=False)
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return {
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"list": [{
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"name": item.metadata.name.replace("database-dmserver-0", "student-2210502337-0-12"),
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"ip": item.status.pod_ip
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} for item in ret.items]
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}
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def list_services():
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ret = v1.list_namespaced_service(namespace)
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return {
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"list": [
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# "name": item.metadata.name.replace("database-dmserver-0", "student-2210502337-0-12"),
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# "ip": item.spec.cluster_ip,
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# "ports": [[port.to_dict() for port in item.spec.ports]],
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#
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item.to_dict()
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# "node_port": item.spec.ports[0].node_port,
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for item in ret.items]
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}
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def create_pod(type, name):
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# 读取 pod yaml 文件
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with open(f"assets/type{type}-pod.yaml") as f:
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pod_manifest = yaml.safe_load(f)
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pod_manifest["metadata"]["name"] = name
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pod_manifest["metadata"]["labels"]["app"] = name
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# 创建 Pod
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resp = v1.create_namespaced_pod(
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body=pod_manifest,
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namespace=namespace
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)
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print(f"pod '{resp.metadata.name}' 创建成功")
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# 创建 Service
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service_manifest = {
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"apiVersion": "v1",
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"kind": "Service",
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"metadata": {
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"name": name+ "-service"
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},
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"spec": {
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"selector": {
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"app": pod_manifest['metadata']['labels']['app']
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},
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"ports": [
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{
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"protocol": "TCP",
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"port": 22,
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"targetPort": 22
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},
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{
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"protocol": "TCP",
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"port": 5236,
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"targetPort": 5236
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}
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]
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}
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}
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resp = v1.create_namespaced_service(
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body=service_manifest,
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namespace=namespace
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)
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print(f"服务 '{resp.metadata.name}' 创建成功")
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# 创建成功,再次查询,拿到端口
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service = v1.read_namespaced_service(name=name+ "-service", namespace=namespace)
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print(service)
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print("访问地址:" + IP + ":" + service.spec.ports[0].node_port)
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def delete_pod(name):
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pass
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