{"id":1572,"date":"2021-10-22T15:03:23","date_gmt":"2021-10-22T15:03:23","guid":{"rendered":"https:\/\/www.ipcpu.com\/?p=1572"},"modified":"2022-03-29T08:23:27","modified_gmt":"2022-03-29T08:23:27","slug":"kubernetes-revision","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2021\/10\/kubernetes-revision\/","title":{"rendered":"\u5982\u4f55\u83b7\u53d6\u5230Kubernetes\u4e2d\u7684\u7248\u672c\u53d1\u5e03\u4fe1\u606f"},"content":{"rendered":"

\u4e00\u3001\u80cc\u666f\u4ecb\u7ecd<\/h2>\n

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\n
\n\u867d\u7136\uff0c\u963f\u91cc\u4e91\u5728\u754c\u9762\u4e2d\u4e5f\u63d0\u4f9b\u4e86\u5386\u53f2\u7248\u672c\u7684\u67e5\u770b\u529f\u80fd\uff0c\u4f46\u662f\u6211\u4eec\u60f3\u628a\u8fd9\u90e8\u5206\u4fe1\u606f\u96c6\u4e2d\u5b58\u653e\u8d77\u6765\u5e76\u63d0\u4f9b\u67e5\u8be2\u529f\u80fd\uff0c\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f
\n<\/p>\n

\u4e8c\u3001\u5b9e\u73b0\u601d\u8def<\/h2>\n

\u6211\u4eec\u4f18\u5148\u60f3\u5230\u7684\u662f\u963f\u91cc\u4e91\u53ef\u4ee5\u63d0\u4f9b\u76f8\u5173\u7684API\u63a5\u53e3\uff0c\u7ed9\u6211\u4eec\u83b7\u53d6\u5230\u8fd9\u4e9b\u4fe1\u606f\uff0c\u5948\u4f55\u963f\u91cc\u4e91\u5bf9\u4e8eKubernetes\u5bb9\u5668\u670d\u52a1\u90fd\u6ca1\u6709API\u63a5\u53e3\uff0c\u8ba9\u6211\u4eec\u81ea\u884c\u5bf9\u63a5\u539f\u751fKubernetes\u670d\u52a1\u7684API\u3002<\/p>\n

\u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u7684\u53e6\u5916\u4e00\u4f4d\u540c\u4e8b\u5bf9prometheus\u7684\u76d1\u63a7\u9879\u548ck8s event\u8fdb\u884c\u4e86\u6574\u7406\u548c\u67e5\u627e\uff0ck8sevent\u91cc\u9762\u5e76\u6ca1\u6709\u53d1\u73b0\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4f46\u662fprometheus\u4e2d\u662f\u6709\u76f8\u5173\u76d1\u63a7\u9879\u7684\u3002<\/p>\n

\u4e09\u3001\u7b80\u5355\u5b9e\u73b0\uff0c\u901a\u8fc7Prometheus<\/h2>\n

Prometheus\u7684\u5b9e\u73b0\u5982\u4e0b\u65b9\u8bed\u53e5<\/p>\n

\n
changes(kube_deployment_status_observed_generation[5m])!=0 <\/code><\/pre>\n<\/div>\n
\u4f46\u662f\u4e0a\u9762\u7684\u76d1\u63a7\u9879\u5b58\u5728\u4e00\u4e2a\u81f4\u547d\u7f3a\u70b9\uff0c\u5f53deployment\u81ea\u52a8\u6269\u5bb9\u7f29\u5bb9\u65f6\u4e5f\u4f1a\u53d8\u5316\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5<\/p>\n
\n
changes(kube_deployment_status_observed_generation[5m])!=0 and changes(kube_deployment_status_replicas_available[5m]) == 0<\/code><\/pre>\n<\/div>\n
\u901a\u8fc7\u4ee5\u4e0a\u8bed\u53e5\uff0c\u6211\u4eec\u57fa\u672c\u5b9e\u73b0\u4e86\u83b7\u53d6\u662f\u54ea\u4e2anamespace\u7684\u54ea\u4e2adeployment\u53d1\u5e03\u4e86\u65b0\u7248\u672c\uff0c\u901a\u8fc7prometheus\u62a5\u8b66\u53d1\u51fa\u7684\u65f6\u95f4\uff0c\u4e5f\u53ef\u4ee5\u5927\u81f4\u5224\u65ad\u51fa\u53d1\u7248\u7684\u65f6\u95f4\uff08\u76f8\u5dee\u4e24\u4e09\u5206\u949f\uff09\u3002\u53ef\u662f\u5728\u6211\u4eec\u5b9e\u9645\u7684\u751f\u4ea7\u5e94\u7528\u4e2d\u53d1\u73b0\u4f1a\u51fa\u73b0\u4e0d\u5c11\u8bef\u62a5\u7684\u60c5\u51b5\u3002<\/p>\n
\u56db\u3001\u66f4\u52a0\u7cbe\u786e\u8be6\u7ec6\uff0cK8S API<\/h2>\n
prometheus\u7684\u76d1\u63a7\u6570\u636e\u4e2d\u6ca1\u6709\u7248\u672c\u4fe1\u606f\uff0c\u5e76\u4e14\u65f6\u95f4\u4e0a\u6709\u4e9b\u504f\u5dee\uff0c\u56e0\u6b64\u6211\u4eec\u51b3\u5b9a\u4f7f\u7528Kubernetes\u539f\u751fAPI\uff0c\u7ecf\u8fc7\u4e00\u756a\u67e5\u627e\uff0c\u7528google\u641c\u7d22kubernetes deployment history \u7b49\u4fe1\u606f\u4e5f\u6ca1\u6709\u76f8\u5173\u7684\u53d1\u73b0\uff0c\u6700\u540e\u5728github\u91cc\u53d1\u73b0\u4e00\u4e2aissue[\u53c2\u8003\u8d44\u65991]\uff0c list_namespaced_replica_set<\/strong> \u6216\u8005 list_replica_set_for_all_namespaces<\/strong> \u4e2d\u5b58\u50a8\u4e86\u76f8\u5173\u4fe1\u606f\uff0c\u7ec8\u4e8e\u6709\u6240\u6536\u83b7\u3002<\/p>\n
\u63a5\u4e0b\u6765\u5c31\u662f\u5206\u6790\u4e0b\u63a5\u53e3\u8fd4\u56de\u5185\u5bb9\uff0c\u5e76\u5bf9\u6709\u6548\u6570\u636e\u8fdb\u884c\u63d0\u53d6\u4e86\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u5982\u4e0b\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\uff1a<\/p>\n
\n
from kubernetes import client, config\r\n\r\nconfig.load_kube_config(config_file='.\/config')\r\napi_instance = client.AppsV1Api()\r\n\r\n\r\ndef get_images_from_namespace( namespace: str) -> dict:\r\n    output = dict()\r\n\r\n    repl = api_instance.list_namespaced_replica_set(namespace=namespace)\r\n    for replica_set in repl.items:\r\n        if 'app' not in replica_set.metadata.labels:\r\n            app_name = f'{replica_set.spec.template.spec.service_account}'\r\n        else:\r\n            app_name = f'{replica_set.metadata.labels[\"app\"]}'\r\n        if app_name not in output:\r\n            output[app_name] = []\r\n        app_record = dict()\r\n        if 'deployment.kubernetes.io\/revision' in replica_set.metadata.annotations:\r\n            app_record['revision'] = replica_set.metadata.annotations['deployment.kubernetes.io\/revision']\r\n            app_record['creation_timestamp'] = replica_set.metadata.creation_timestamp\r\n        app_record['containers'] = list()\r\n        for container in replica_set.spec.template.spec.containers:\r\n            app_record['containers'].append(container.image)\r\n        output[app_name].append(app_record)\r\n    return output\r\n\r\n\r\nprint(get_images_from_namespace(namespace='default'))<\/code><\/pre>\n<\/div>\n
\u4ee3\u7801\u8fd0\u884c\u6548\u679c\uff1a<\/p>\n
\n
{\r\n    'gitlab-aliyun-deploy': [{\r\n        'revision': '1',\r\n        'creation_timestamp': datetime.datetime(2020, 7, 16, 6, 17, 23, tzinfo = tzutc()),\r\n        'containers': ['reg.ipcpu.com\/juestest\/my-deploy:1131-5d6f0278']\r\n    }, {\r\n        'revision': '3',\r\n        'creation_timestamp': datetime.datetime(2020, 7, 16, 8, 40, 37, tzinfo = tzutc()),\r\n        'containers': ['reg.ipcpu.com\/juestest\/my-deploy:1139-3a5695af']\r\n    }, {\r\n        'revision': '2',\r\n        'creation_timestamp': datetime.datetime(2020, 7, 16, 8, 25, 51, tzinfo = tzutc()),\r\n        'containers': ['reg.ipcpu.com\/juestest\/my-deploy:1139-3a5695af']\r\n    }]\r\n}<\/code><\/pre>\n<\/div>\n
\u4e94\u3001\u66f4\u79d1\u5b66\uff0c\u4f7f\u7528watch\u63a5\u53e3<\/h2>\n
\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u6bcf\u5929\u53d1\u7248\u7684\u6b21\u6570\u90fd\u5728\u6570\u5341\u4e0a\u767e\u6b21\uff0c\u91c7\u96c6\u4e0a\u9762\u8fd9\u4e2a\u63a5\u53e3\u6bcf\u6b21\u8fd4\u56de\u6d77\u91cf\u7684\u65e5\u5fd7\uff0c\u4e00\u662f\u5bf9\u5e26\u5bbd\uff0c\u4e8c\u662f\u5bf9API\u63a5\u53e3\u9020\u6210\u6bd4\u8f83\u5927\u7684\u538b\u529b\u3002\u597d\u5728K8S\u672c\u8eab\u5c31\u6709watch\u63a5\u53e3\uff0c\u6765\u76d1\u542c\u53d8\u5316\u5185\u5bb9\u3002<\/p>\n
\n
from kubernetes import client, config, watch\r\nimport json\r\n\r\nconfig.load_kube_config(config_file='.\/config')\r\nv1 = client.AppsV1Api()\r\nw = watch.Watch()\r\n\r\nfor event in w.stream(func=v1.list_replica_set_for_all_namespaces):\r\n    print('=======')\r\n    print(event['type'])\r\n    print(event['object'])<\/code><\/pre>\n<\/div>\n
\u516d\u3001\u53c2\u8003\u8d44\u6599<\/h2>\n
https:\/\/github.com\/kubernetes-client\/python\/issues\/694<\/a><\/p>\n
\u6765\u81ea\u4e3a\u77e5\u7b14\u8bb0(Wiz)<\/a><\/div>\n
\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » \u5982\u4f55\u83b7\u53d6\u5230Kubernetes\u4e2d\u7684\u7248\u672c\u53d1\u5e03\u4fe1\u606f<\/a><\/p>","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u80cc\u666f\u4ecb\u7ecd \u6211\u53f8\u4f7f\u7528\u7684\u662f\u963f\u91cc\u4e91\u7684Kubernetes\u5bb9\u5668\u670d\u52a1\uff0c\u4e5f\u6ca1\u6709\u4ec0\u4e48\u7248\u672c\u53d1\u5e03\u7cfb\u7edf\uff0c\u6d4b\u8bd5\u4eba\u5458\u6d4b\u8bd5\u5b8c\u6bd5\u4ee5\u540e\uff0c\u76f4\u63a5\u66f4\u65b0\u4e86\u963f\u91cc\u4e91\u7684\u670d\u52a1\u955c\u50cf\u5730\u5740\uff0c\u5982\u4e0b \u867d\u7136\uff0c\u963f\u91cc\u4e91\u5728\u754c\u9762\u4e2d\u4e5f\u63d0\u4f9b\u4e86\u5386\u53f2\u7248\u672c\u7684\u67e5\u770b\u529f\u80fd\uff0c\u4f46\u662f\u6211\u4eec\u60f3\u628a\u8fd9\u90e8\u5206\u4fe1\u606f\u96c6\u4e2d\u5b58\u653e\u8d77\u6765\u5e76\u63d0\u4f9b\u67e5\u8be2\u529f\u80fd\uff0c\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f \u4e8c\u3001\u5b9e\u73b0\u601d\u8def \u6211\u4eec\u4f18\u5148\u60f3\u5230\u7684\u662f\u963f\u91cc\u4e91\u53ef\u4ee5\u63d0\u4f9b\u76f8\u5173\u7684API\u63a5\u53e3\uff0c\u7ed9\u6211\u4eec\u83b7\u53d6\u5230\u8fd9\u4e9b\u4fe1\u606f\uff0c\u5948\u4f55\u963f\u91cc\u4e91\u5bf9\u4e8eKubernetes\u5bb9\u5668\u670d\u52a1\u90fd\u6ca1\u6709API\u63a5\u53e3\uff0c\u8ba9\u6211\u4eec\u81ea\u884c\u5bf9\u63a5\u539f\u751fKubernetes\u670d\u52a1\u7684API\u3002 \u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u7684\u53e6\u5916\u4e00\u4f4d\u540c\u4e8b\u5bf9prometheus\u7684\u76d1\u63a7\u9879\u548ck8s event\u8fdb\u884c\u4e86\u6574\u7406\u548c\u67e5\u627e\uff0ck8sevent\u91cc\u9762\u5e76\u6ca1\u6709\u53d1\u73b0\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4f46\u662fprometheus\u4e2d\u662f\u6709\u76f8\u5173\u76d1\u63a7\u9879\u7684\u3002 \u4e09\u3001\u7b80\u5355\u5b9e\u73b0\uff0c\u901a\u8fc7Prometheus Prometheus\u7684\u5b9e\u73b0\u5982\u4e0b\u65b9\u8bed\u53e5 changes(kube_deployment_status_observed_generation[5m])!=0 \u4f46\u662f\u4e0a\u9762\u7684\u76d1\u63a7\u9879\u5b58\u5728\u4e00\u4e2a\u81f4\u547d\u7f3a\u70b9\uff0c\u5f53deployment\u81ea\u52a8\u6269\u5bb9\u7f29\u5bb9\u65f6\u4e5f\u4f1a\u53d8\u5316\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5 changes(kube_deployment_status_observed_generation[5m])!=0 and changes(kube_deployment_status_replicas_available[5m]) == 0 \u901a\u8fc7\u4ee5\u4e0a\u8bed\u53e5\uff0c\u6211\u4eec\u57fa\u672c\u5b9e\u73b0\u4e86\u83b7\u53d6\u662f\u54ea\u4e2anamespace\u7684\u54ea\u4e2adeployment\u53d1\u5e03\u4e86\u65b0\u7248\u672c\uff0c\u901a\u8fc7prometheus\u62a5\u8b66\u53d1\u51fa\u7684\u65f6\u95f4\uff0c\u4e5f\u53ef\u4ee5\u5927\u81f4\u5224\u65ad\u51fa\u53d1\u7248\u7684\u65f6\u95f4\uff08\u76f8\u5dee\u4e24\u4e09\u5206\u949f\uff09\u3002\u53ef\u662f\u5728\u6211\u4eec\u5b9e\u9645\u7684\u751f\u4ea7\u5e94\u7528\u4e2d\u53d1\u73b0\u4f1a\u51fa\u73b0\u4e0d\u5c11\u8bef\u62a5\u7684\u60c5\u51b5\u3002 \u56db\u3001\u66f4\u52a0\u7cbe\u786e\u8be6\u7ec6\uff0cK8S API prometheus\u7684\u76d1\u63a7\u6570\u636e\u4e2d\u6ca1\u6709\u7248\u672c\u4fe1\u606f\uff0c\u5e76\u4e14\u65f6\u95f4\u4e0a\u6709\u4e9b\u504f\u5dee\uff0c\u56e0\u6b64\u6211\u4eec\u51b3\u5b9a\u4f7f\u7528Kubernetes\u539f\u751fAPI\uff0c\u7ecf\u8fc7\u4e00\u756a\u67e5\u627e\uff0c\u7528google\u641c\u7d22kubernetes deployment history \u7b49\u4fe1\u606f\u4e5f\u6ca1\u6709\u76f8\u5173\u7684\u53d1\u73b0\uff0c\u6700\u540e\u5728github\u91cc\u53d1\u73b0\u4e00\u4e2aissue[\u53c2\u8003\u8d44\u65991]\uff0c list_namespaced_replica_set \u6216\u8005 list_replica_set_for_all_namespaces \u4e2d\u5b58\u50a8\u4e86\u76f8\u5173\u4fe1\u606f\uff0c\u7ec8\u4e8e\u6709\u6240\u6536\u83b7\u3002 \u63a5\u4e0b\u6765\u5c31\u662f\u5206\u6790\u4e0b\u63a5\u53e3\u8fd4\u56de\u5185\u5bb9\uff0c\u5e76\u5bf9\u6709\u6548\u6570\u636e\u8fdb\u884c\u63d0\u53d6\u4e86\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u5982\u4e0b\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\uff1a from kubernetes import client, config config.load_kube_config(config_file=’.\/config’) api_instance = client.AppsV1Api() def get_images_from_namespace( namespace: str) -> dict: output = dict() repl = api_instance.list_namespaced_replica_set(namespace=namespace) for replica_set in repl.items: if ‘app’ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[173,129,59,225,224,66],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1572"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=1572"}],"version-history":[{"count":5,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1572\/revisions"}],"predecessor-version":[{"id":1587,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1572\/revisions\/1587"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=1572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=1572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=1572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}