{"id":43325,"date":"2023-07-11T08:27:34","date_gmt":"2023-05-23T18:47:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e4%b8%8a%e8%bf%90%e8%a1%8cdigdag%e5%92%8cembulk%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%b5%81%e5%b9%b3%e5%8f%b0\/"},"modified":"2024-04-30T13:00:09","modified_gmt":"2024-04-30T05:00:09","slug":"%e5%9c%a8kubernetes%e4%b8%8a%e8%bf%90%e8%a1%8cdigdag%e5%92%8cembulk%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%b5%81%e5%b9%b3%e5%8f%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e4%b8%8a%e8%bf%90%e8%a1%8cdigdag%e5%92%8cembulk%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%b5%81%e5%b9%b3%e5%8f%b0\/","title":{"rendered":"\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\u548cEmbulk\u7684\u5de5\u4f5c\u6d41\u5e73\u53f0"},"content":{"rendered":"

\u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0<\/h1>\n

\u6211\u5c06\u5199\u4e00\u7bc7\u5173\u4e8e\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\uff0c\u5e76\u4ece\u8be5\u5de5\u4f5c\u6d41\u4e2d\u8c03\u7528Embulk\u6279\u5904\u7406\u7684\u5de5\u4f5c\u6d41\u57fa\u7840\u8bbe\u65bd\u7684\u6587\u7ae0\u3002
\n\u6211\u5c06\u5c55\u793a\u4e00\u4e2a\u5728Digdag\u5de5\u4f5c\u6d41\u4e2d\u4eceBig Query\u7d22\u5f15\u5230Elasticsearch\u7684Embulk\u793a\u4f8b\u3002<\/p>\n

\u6574\u4f53\u67b6\u6784<\/h1>\n
\"Kubernetes<\/div>\n

Digdag\u5c06API\u8bf7\u6c42\u5904\u7406\u5206\u4e3a\u4e3b\u8282\u70b9\uff08master\uff09\u548c\u6267\u884c\u5de5\u4f5c\u6d41\u7684\u5de5\u4f5c\u8282\u70b9\uff08worker\uff09\uff0c\u5e76\u5728\u5404\u81ea\u7684Pod\u4e2d\u542f\u52a8\u3002Digdag worker\u4f1a\u52a8\u6001\u5730\u542f\u52a8\u4e00\u4e2aKubernetes\u4f5c\u4e1a\uff08Job\uff09\uff0c\u7528\u4e8e\u6267\u884cembulk\u8fdb\u884c\u5b9e\u9645\u7684\u5904\u7406\u4efb\u52a1\u3002\u6b64\u5916\uff0cDigdag worker\u4f1a\u6839\u636e\u6392\u961f\u7684\u4efb\u52a1\u6570\u81ea\u52a8\u7f29\u653e\u3002<\/p>\n

\u95ee\u9898<\/h1>\n

\u8981\u5b9e\u73b0\u8fd9\u79cd\u7ed3\u6784\uff0c\u6709\u4e24\u4e2a\u95ee\u9898\u9700\u8981\u89e3\u51b3\u3002<\/p>\n

    \n
  1. \n
      \u4ecedigdag worker\u542f\u52a8\u4f5c\u4e1a<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        digdag worker\u7684\u6c34\u5e73\u81ea\u52a8\u4f38\u7f29<\/ol>\n

        \u4eceDigdag\u5de5\u4f5c\u7a0b\u5e8f\u4e2d\u542f\u52a8\u4f5c\u4e1a<\/h2>\n

        \u5728\u6267\u884cdigdag\u5de5\u4f5c\u65f6\uff0c\u5e0c\u671b\u5728\u5bb9\u5668\u4e2d\u8fdb\u884c\u6267\u884c\u3002\u56e0\u4e3aDigdag\u5df2\u7ecf\u5b9e\u73b0\u4e86Docker\u7684\u547d\u4ee4\u6267\u884c\u5668\uff0c\u6240\u4ee5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5728Docker\u4e0a\u6267\u884c\u7a0b\u5e8f\u3002<\/p>\n

         <\/p>\n

        \u7136\u800c\uff0c\u7531\u4e8edigdag worker\u672c\u8eab\u5728Pod\u5bb9\u5668\u4e0a\u8fd0\u884c\uff0c\u56e0\u6b64\u4f1a\u53d8\u6210\u7c7b\u4f3c\u4e8eDocker in Docker\u7684\u72b6\u6001\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u4ecedigdag worker\u4e2d\u52a8\u6001\u5730\u542f\u52a8\u4f5c\u4e1a\u5e76\u5728\u5176\u4e0a\u8fd0\u884c\u7a0b\u5e8f\uff0c\u4f7f\u5176\u80fd\u591f\u6267\u884c\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n

        \u4f7f\u7528kube-job\u53ef\u4ee5\u4ece\u547d\u4ee4\u884c\u542f\u52a8Kubernetes\u7684Job\u3002
        \n\u7136\u800c\uff0c\u5728kube-job v0.5.0\u4ee5\u4e0b\u7684\u7248\u672c\u4e2d\uff0c\u7531\u4e8e\u65e0\u6cd5\u8f7b\u6613\u5730\u4eceKubernetes\u5185\u90e8\u8c03\u7528kube-job\u547d\u4ee4\uff0c\u8bf7\u5141\u8bb8\u6211\u4eec\u5e94\u7528\u8865\u4e01\u3002<\/p>\n

         <\/p>\n

        digdag\u5de5\u4f5c\u8005\u7684\u914d\u7f6e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n

        digdag\u5de5\u4f5c\u4eba\u5458\u7684\u955c\u50cf<\/h3>\n

        \u8bf7\u5c06 kube-job \u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u653e\u7f6e\u5728 multi-stage builds \u4e2d\u3002
        \n\u7531\u4e8e\u7248\u672c\u8f83\u65e7\uff0c\u5982\u679c\u53c2\u8003\u6b64\u5904\uff0c\u8bf7\u9002\u65f6\u66f4\u65b0\u3002<\/p>\n

        FROM<\/span> golang:1.15-buster<\/span> as<\/span> builder<\/span>\r\n\r\nENV<\/span> CGO_ENABLED=0<\/span>\r\n\r\nRUN <\/span>apt update &&<\/span> apt install<\/span> -y<\/span> --no-install-recommends<\/span> wget unzip make\r\n\r\nWORKDIR<\/span> \/app<\/span>\r\nRUN <\/span>wget -q<\/span> https:\/\/github.com\/h3poteto\/kube-job\/archive\/refs\/tags\/v0.5.1.zip \\\r\n<\/span>    &&<\/span> unzip -q<\/span> v0.5.1.zip\r\nRUN <\/span>make -C<\/span> \/app\/kube-job-0.5.1 build\r\n\r\nFROM<\/span> azul\/zulu-openjdk:8<\/span>\r\n\r\nRUN <\/span>apt-get update -qq<\/span> &&<\/span> apt-get install<\/span> -y<\/span> curl\r\n\r\nRUN <\/span>curl -o<\/span> \/usr\/local\/bin\/digdag --create-dirs<\/span> -L<\/span> 'https:\/\/dl.digdag.io\/digdag-0.10.0'<\/span> \\\r\n<\/span>    &&<\/span> chmod<\/span> +x \/usr\/local\/bin\/digdag\r\n\r\nCOPY<\/span> --from=builder \/app\/kube-job-0.5.1\/bin\/kube-job \/usr\/local\/bin\/<\/span>\r\n<\/code><\/pre>\n
        digdag worker\u7684\u90e8\u7f72<\/h3>\n
        \u6709\u5173Embulk\u7684\u5377\uff0c\u5c06\u5728\u540e\u6587\u4e2d\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
        apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> digdag-worker<\/span>\r\n  labels<\/span>:<\/span>\r\n    app<\/span>:<\/span> digdag-worker<\/span>\r\nspec<\/span>:<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> digdag-worker<\/span>\r\n  strategy<\/span>:<\/span>\r\n    type<\/span>:<\/span> Recreate<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> digdag-worker<\/span>\r\n    spec<\/span>:<\/span>\r\n      volumes<\/span>:<\/span>\r\n      -<\/span> name<\/span>:<\/span> digdag-config-volume<\/span>\r\n        configMap<\/span>:<\/span>\r\n          name<\/span>:<\/span> digdag-config<\/span>\r\n      -<\/span> name<\/span>:<\/span> embulk-config-volume<\/span>\r\n        configMap<\/span>:<\/span>\r\n          name<\/span>:<\/span> embulk-config<\/span>\r\n      containers<\/span>:<\/span>\r\n      -<\/span> name<\/span>:<\/span> digdag-worker<\/span>\r\n        image<\/span>:<\/span> '<\/span>digdag_on_k8s_worker:latest'<\/span>\r\n        imagePullPolicy<\/span>:<\/span> IfNotPresent<\/span>\r\n        volumeMounts<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> digdag-config-volume<\/span>\r\n          mountPath<\/span>:<\/span> \/etc\/config<\/span>\r\n        -<\/span> name<\/span>:<\/span> embulk-config-volume<\/span>\r\n          mountPath<\/span>:<\/span> \/embulk<\/span>\r\n        command<\/span>:<\/span> [<\/span>'<\/span>\/bin\/bash'<\/span>]<\/span>\r\n        args<\/span>:<\/span>\r\n        -<\/span> '<\/span>-cx'<\/span>\r\n        -<\/span> |<\/span>\r\n          digdag server \\<\/span>\r\n          --config \/etc\/config\/digdag.properties \\<\/span>\r\n          -X server.bind=0.0.0.0 \\<\/span>\r\n          -X server.port=8080 \\<\/span>\r\n          -X database.type=postgresql \\<\/span>\r\n          -X database.host=db \\<\/span>\r\n          -X database.port=5432 \\<\/span>\r\n          -X database.user=$POSTGRES_USER \\<\/span>\r\n          -X database.database=digdag \\<\/span>\r\n          -X database.password=$POSTGRES_PASSWORD \\<\/span>\r\n          -X digdag.secret-encryption-key=$SECRET_ENCRYPTION_KEY<\/span>\r\n        env<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> POSTGRES_USER<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> db_user<\/span>\r\n        -<\/span> name<\/span>:<\/span> POSTGRES_PASSWORD<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> db_password<\/span>\r\n        -<\/span> name<\/span>:<\/span> SECRET_ENCRYPTION_KEY<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> secret_encryption_key<\/span>\r\n<\/code><\/pre>\n
        \u6267\u884cembulk\u7684digdag\u5de5\u4f5c\u6d41<\/h3>\n
        \u5728\u4e0a\u8ff0\u7684Pod\u4e0a\u8fd0\u884c\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u53ea\u6267\u884ckube-job\u3002<\/p>\n
        timezone: UTC\r\n\r\n+embulk:\r\n  sh>: kube-job run --template-file=\/embulk\/embulk.yml --container='embulk'\r\n<\/code><\/pre>\n
        \u4f7f\u7528kube-job\u7684Job\u6e05\u5355\u3002<\/h3>\n
        \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210Job\u6e05\u5355\u7684ConfigMap\uff0c\u53ef\u4ee5\u4f7f\u7528kube-job\u4e2d\u7684–template-file\u53c2\u6570\u6307\u5b9a\u3002
        \n\u5728digdag worker\u7684Deployment\u4e2d\uff0c\u5c06\u6b64ConfigMap\u6302\u8f7d\u5230\u3002<\/p>\n
        apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> ConfigMap<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> embulk-config<\/span>\r\n  namespace<\/span>:<\/span> default<\/span>\r\ndata<\/span>:<\/span>\r\n  embulk.yml<\/span>:<\/span> |+<\/span>\r\n    apiVersion: batch\/v1<\/span>\r\n    kind: Job<\/span>\r\n    metadata:<\/span>\r\n      name: embulk<\/span>\r\n      namespace: default<\/span>\r\n      labels:<\/span>\r\n        app: embulk<\/span>\r\n    spec:<\/span>\r\n      template:<\/span>\r\n        metadata:<\/span>\r\n          labels:<\/span>\r\n            app: embulk<\/span>\r\n        spec:<\/span>\r\n          containers:<\/span>\r\n          - name: embulk<\/span>\r\n            image: 'digdag_on_k8s_embulk:latest'<\/span>\r\n            imagePullPolicy: Never<\/span>\r\n            args: ['embulk', '--version']<\/span>\r\n          restartPolicy: Never<\/span>\r\n      backoffLimit: 2<\/span>\r\n<\/code><\/pre>\n
        \u4e3a\u4e86\u7b80\u5316\u6b64\u6e05\u5355\uff0c\u53ea\u9700\u8fd0\u884c embulk –version\u3002
        \n\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u4ecedigdag worker\u542f\u52a8\u4f5c\u4e1a\u3002<\/p>\n
        kube-job\u7684\u597d\u5904\u662f\u53ef\u4ee5\u901a\u8fc7–args\u4ece\u5916\u90e8\u8986\u76d6Job\u7684args\u53c2\u6570\uff0c\u4ece\u800c\u53ef\u4ee5\u81ea\u7531\u5730\u5728\u5de5\u4f5c\u6d41\u4e2d\u6267\u884c\u547d\u4ee4\uff0c\u800c\u65e0\u9700\u4fee\u6539\u6e05\u5355\u3002<\/p>\n
        timezone<\/span>:<\/span> UTC<\/span>\r\n\r\n+embulk<\/span>:<\/span>\r\n  sh><\/span>:<\/span> kube-job run --template-file=\/embulk\/embulk.yml --container='embulk' --args='embulk --version'<\/span>\r\n<\/code><\/pre>\n
        2. Digdag worker\u7684HPA<\/h2>\n
        \u5e0c\u671b\u7684\u60c5\u51b5\u662f\u6839\u636edigdag\u4efb\u52a1\u961f\u5217\u7684\u79ef\u538b\u60c5\u51b5\uff0c\u81ea\u52a8\u6269\u5c55digdag worker\u7684Pod\u3002\u56e0\u6b64\uff0c\u901a\u8fc7Kubernetes\u7684\u81ea\u5b9a\u4e49\u6307\u6807\u83b7\u53d6\u961f\u5217\u4fe1\u606f\u5e76\u8fdb\u884c\u81ea\u52a8\u6269\u5c55\u3002<\/p>\n
        \u8981\u5c06Digdag\u7684\u4efb\u52a1\u961f\u5217\u4f5c\u4e3a\u81ea\u5b9a\u4e49\u6307\u6807\u8fdb\u884c\u5904\u7406\uff0c\u9700\u8981\u8fdb\u884c\u4ee5\u4e0b\u4e24\u4e2a\u8bbe\u7f6e\u3002<\/p>\n
          \n
        • \n
            PostgreSQL\u3067\u7ba1\u7406\u3055\u308c\u308bdigdag\u3067\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u3055\u308c\u305f\u30bf\u30b9\u30af\u6570\u3092postgres_exporter\u3067Prometheus\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u3057\u3066export\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n
             <\/p>\n
              Prometheus\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u3057\u3066\u53d6\u308a\u51fa\u3057\u305f\u3082\u306e\u3092prometheus-adapter\u3067Custom metrics\u3068\u3057\u3066\u6271\u3046<\/ul>\n
              Postgres\u5bfc\u51fa\u5668<\/h3>\n
              \u9996\u5148\uff0c\u4f7f\u7528Helm\u5b89\u88c5Prometheus\u5e76\u542f\u52a8postgres_exporter\u3002\u53ea\u5b89\u88c5\u4e86\u5fc5\u8981\u7684\u8fd0\u884c\u73af\u5883\u3002<\/p>\n
              repositories<\/span>:<\/span>\r\n-<\/span> name<\/span>:<\/span> prometheus-community<\/span>\r\n  url<\/span>:<\/span> https:\/\/prometheus-community.github.io\/helm-charts<\/span>\r\nreleases<\/span>:<\/span>\r\n  -<\/span> name<\/span>:<\/span> prometheus-operator<\/span>\r\n    chart<\/span>:<\/span> prometheus-community\/kube-prometheus-stack<\/span>\r\n    values<\/span>:<\/span>\r\n      -<\/span> helm-values\/prometheus-operator.yml<\/span>\r\n<\/code><\/pre>\n
              alertmanager<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\ngrafana<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeApiServer<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubelet<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeControllerManager<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\ncoreDns<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeDns<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeEtcd<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeScheduler<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeProxy<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nkubeStateMetrics<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nnodeExporter<\/span>:<\/span>\r\n  enabled<\/span>:<\/span> false<\/span>\r\nprometheus-node-exporter<\/span>:<\/span>\r\n  hostRootFsMount<\/span>:<\/span> false<\/span>\r\nprometheus<\/span>:<\/span>\r\n  prometheusSpec<\/span>:<\/span>\r\n    serviceMonitorSelectorNilUsesHelmValues<\/span>:<\/span> false<\/span>\r\n    serviceMonitorSelector<\/span>:<\/span> {}<\/span>\r\n<\/code><\/pre>\n
              \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u542f\u52a8postgres_exporter\u7684\u670d\u52a1\u3002
              \n\u8fd9\u6b21\u6211\u4eec\u4e0d\u9700\u8981default\u548csettings\u7684\u6307\u6807\uff0c\u6240\u4ee5\u6211\u4eec\u4f1a\u5728\u542f\u52a8\u9009\u9879\u4e2d\u7981\u7528\u5b83\u4eec\u3002<\/p>\n
              apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\nkind<\/span>:<\/span> Deployment<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> postgres-exporter<\/span>\r\nspec<\/span>:<\/span>\r\n  selector<\/span>:<\/span>\r\n    matchLabels<\/span>:<\/span>\r\n      app<\/span>:<\/span> postgres-exporter<\/span>\r\n  replicas<\/span>:<\/span> 1<\/span>\r\n  template<\/span>:<\/span>\r\n    metadata<\/span>:<\/span>\r\n      labels<\/span>:<\/span>\r\n        app<\/span>:<\/span> postgres-exporter<\/span>\r\n      name<\/span>:<\/span> postgres-exporter<\/span>\r\n    spec<\/span>:<\/span>\r\n      volumes<\/span>:<\/span>\r\n      -<\/span> name<\/span>:<\/span> config<\/span>\r\n        configMap<\/span>:<\/span>\r\n          name<\/span>:<\/span> postgres-exporter-config-map<\/span>\r\n      containers<\/span>:<\/span>\r\n      -<\/span> name<\/span>:<\/span> postgres-exporter<\/span>\r\n        image<\/span>:<\/span> quay.io\/prometheuscommunity\/postgres-exporter<\/span>\r\n        env<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> DATA_SOURCE_URI<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> data_source_uri<\/span>\r\n        -<\/span> name<\/span>:<\/span> DATA_SOURCE_USER<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> db_user<\/span>\r\n        -<\/span> name<\/span>:<\/span> DATA_SOURCE_PASS<\/span>\r\n          valueFrom<\/span>:<\/span>\r\n            secretKeyRef<\/span>:<\/span>\r\n              name<\/span>:<\/span> digdag-secret<\/span>\r\n              key<\/span>:<\/span> db_password<\/span>\r\n        args<\/span>:<\/span>\r\n        -<\/span> '<\/span>--disable-default-metrics'<\/span>\r\n        -<\/span> '<\/span>--disable-settings-metrics'<\/span>\r\n        -<\/span> '<\/span>--extend.query-path=\/config\/queries.yaml'<\/span>\r\n        ports<\/span>:<\/span>\r\n        -<\/span> containerPort<\/span>:<\/span> 9187<\/span>\r\n          name<\/span>:<\/span> exporter<\/span>\r\n        volumeMounts<\/span>:<\/span>\r\n        -<\/span> name<\/span>:<\/span> config<\/span>\r\n          readOnly<\/span>:<\/span> true<\/span>\r\n          mountPath<\/span>:<\/span> \/config<\/span>\r\n<\/code><\/pre>\n
              apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> Service<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> postgres-exporter<\/span>\r\n  labels<\/span>:<\/span>\r\n    app<\/span>:<\/span> postgres-exporter<\/span>\r\nspec<\/span>:<\/span>\r\n  selector<\/span>:<\/span>\r\n    app<\/span>:<\/span> postgres-exporter<\/span>\r\n  ports<\/span>:<\/span>\r\n  -<\/span> port<\/span>:<\/span> 9187<\/span>\r\n    name<\/span>:<\/span> exporter<\/span>\r\n<\/code><\/pre>\n
               <\/p>\n
              \u8bf7\u6839\u636e\u6b64\u533a\u57df\u7684\u5185\u5bb9\u5c06queued_task_locks\u8bb0\u5f55\u6570\u89c6\u4e3a\u6392\u961f\u7684\u4efb\u52a1\u6570\u3002\u8bf7\u67e5\u770bPrometheus\u7684\u5ea6\u91cf\u7c7b\u578b\u6765\u4e86\u89e3\u7528\u6cd5\u3002<\/p>\n
              apiVersion<\/span>:<\/span> v1<\/span>\r\nkind<\/span>:<\/span> ConfigMap<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> postgres-exporter-config-map<\/span>\r\ndata<\/span>:<\/span>\r\n  queries.yaml<\/span>:<\/span> |+<\/span>\r\n    pg_exporter:<\/span>\r\n      query: \"SELECT count(*) AS queued_tasks FROM queued_task_locks\"<\/span>\r\n      metrics:<\/span>\r\n        - queued_tasks:<\/span>\r\n            usage: \"GAUGE\"<\/span>\r\n            description: \"Number of tasks in queue\"<\/span>\r\n<\/code><\/pre>\n
              \u666e\u7f57\u7c73\u4fee\u65af\u9002\u914d\u5668 (P\u01d4 lu\u00f3 m\u01d0 xi\u016b s\u016b sh\u00ec q\u00ec)<\/h3>\n
              \u540c\u6837\uff0c\u5728Helm\u4e2d\u5f15\u5165prometheus-adapter\u3002<\/p>\n
              repositories<\/span>:<\/span>\r\n-<\/span> name<\/span>:<\/span> prometheus-community<\/span>\r\n  url<\/span>:<\/span> https:\/\/prometheus-community.github.io\/helm-charts<\/span>\r\nreleases<\/span>:<\/span>\r\n  -<\/span> name<\/span>:<\/span> prometheus-operator<\/span>\r\n    chart<\/span>:<\/span> prometheus-community\/kube-prometheus-stack<\/span>\r\n    values<\/span>:<\/span>\r\n      -<\/span> helm-values\/prometheus-operator.yml<\/span>\r\n  -<\/span> name<\/span>:<\/span> prometheus-adapter<\/span>\r\n    chart<\/span>:<\/span> prometheus-community\/prometheus-adapter<\/span>\r\n    values<\/span>:<\/span>\r\n      -<\/span> helm-values\/prometheus-adapter.yml<\/span>\r\n<\/code><\/pre>\n
              \u8bf7\u53c2\u8003\u6b64\u6587\u6863\u4ee5\u4e86\u89e3\u6709\u5173 Prometheus \u9002\u914d\u5668\u7684\u914d\u7f6e\u3002<\/p>\n
              rules<\/span>:<\/span>\r\n  default<\/span>:<\/span> false<\/span>\r\n  custom<\/span>:<\/span>\r\n  -<\/span> seriesQuery<\/span>:<\/span> '<\/span>pg_exporter_queued_tasks{namespace!=\"\",service!=\"\"}'<\/span>\r\n    resources<\/span>:<\/span>\r\n      overrides<\/span>:<\/span>\r\n        namespace<\/span>:<\/span>\r\n          resource<\/span>:<\/span> namespace<\/span>\r\n        service<\/span>:<\/span>\r\n          resource<\/span>:<\/span> service<\/span>\r\n    name<\/span>:<\/span>\r\n      as<\/span>:<\/span> queued_tasks<\/span>\r\n    metricsQuery<\/span>:<\/span> '<\/span><<.Series>>{<<.LabelMatchers>>}'<\/span>\r\nprometheus<\/span>:<\/span>\r\n  url<\/span>:<\/span> http:\/\/prometheus-operator-kube-p-prometheus.default<\/span>\r\nlogLevel<\/span>:<\/span> 2<\/span>\r\n<\/code><\/pre>\n
              \u5b8c\u6210\u8bbe\u7f6e\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u6307\u6807\u3002<\/p>\n
              kubectl get --raw<\/span> \/apis\/custom.metrics.k8s.io\/v1beta1\/namespaces\/default\/services\/postgres-exporter\/queued_tasks | jq .<\/span>\r\n<\/code><\/pre>\n
              \u53ea\u9700\u5c06\u8fd9\u4e9b\u6392\u961f\u4efb\u52a1\u6570\u89c6\u4e3a\u81ea\u5b9a\u4e49\u6307\u6807\uff0c\u7136\u540e\u8bbe\u7f6eHPA\u3002<\/p>\n
              \u60e0\u666e<\/h2>\n
              apiVersion<\/span>:<\/span> autoscaling\/v2beta2<\/span>\r\nkind<\/span>:<\/span> HorizontalPodAutoscaler<\/span>\r\nmetadata<\/span>:<\/span>\r\n  name<\/span>:<\/span> digdag-worker-hpa<\/span>\r\nspec<\/span>:<\/span>\r\n  scaleTargetRef<\/span>:<\/span>\r\n    apiVersion<\/span>:<\/span> apps\/v1<\/span>\r\n    kind<\/span>:<\/span> Deployment<\/span>\r\n    name<\/span>:<\/span> digdag-worker<\/span>\r\n  minReplicas<\/span>:<\/span> 1<\/span>\r\n  maxReplicas<\/span>:<\/span> 2<\/span>\r\n  metrics<\/span>:<\/span>\r\n  -<\/span> type<\/span>:<\/span> Object<\/span>\r\n    object<\/span>:<\/span>\r\n      describedObject<\/span>:<\/span>\r\n        apiVersion<\/span>:<\/span> v1<\/span>\r\n        kind<\/span>:<\/span> Service<\/span>\r\n        name<\/span>:<\/span> postgres-exporter<\/span>\r\n      metric<\/span>:<\/span>\r\n        name<\/span>:<\/span> queued_tasks<\/span>\r\n      target<\/span>:<\/span>\r\n        type<\/span>:<\/span> Value<\/span>\r\n        value<\/span>:<\/span> 1<\/span>\r\n<\/code><\/pre>\n
              \u91cd\u8981\u7684\u662f\u76ee\u6807\u7684\u503c\u4e3a1\u8fd9\u4e00\u70b9\u3002
              \n\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u53ea\u5728\u6392\u961f\u4efb\u52a1\u6570\u4e3a0\u65f6\u624d\u8fdb\u884c\u6269\u5c55\u3002
              \n\u5f53Digdag\u8fd0\u884ckill\u65f6\uff0c\u5982\u679c\u6709\u6b63\u5728\u6267\u884c\u7684\u4efb\u52a1\uff0c
              \n\u5b83\u5c06\u7b49\u5f85\u8be5\u4efb\u52a1\u5b8c\u6210\uff0c\u4f46\u5bf9\u4e8e\u6574\u4e2a\u5de5\u4f5c\u6d41\u6765\u8bf4\uff0c\u4efb\u52a1\u4ee5\u540e\u7684\u6240\u6709\u4efb\u52a1\u90fd\u5c06\u88ab\u53d6\u6d88\u3002<\/p>\n
               <\/p>\n
              \u56e0\u6b64\uff0c\u4e3a\u4e86\u786e\u4fdd\u5728workflow\u8fd0\u884c\u65f6\u4e0d\u4f1a\u53d1\u751f\u7f29\u5bb9\u548c\u4e2d\u65ad\uff0c\u5982\u679cworkflow\u7684\u6700\u5927\u65f6\u95f4\u76f8\u5bf9\u8f83\u77ed\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7terminationGracePeriodSeconds\u5728\u7ec8\u6b62\u524d\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u6765\u589e\u52a0\u76ee\u6807\u503c\u7684\u5927\u5c0f\uff0c\u4f7f\u5176\u5927\u4e8e1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0 \u6211\u5c06\u5199\u4e00\u7bc7\u5173\u4e8e\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\uff0c\u5e76\u4ece\u8be5\u5de5\u4f5c\u6d41\u4e2d\u8c03\u7528Embulk\u6279\u5904\u7406\u7684\u5de5 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43325","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\u548cEmbulk\u7684\u5de5\u4f5c\u6d41\u5e73\u53f0 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728kubernetes\u4e0a\u8fd0\u884cdigdag\u548cembulk\u7684\u5de5\u4f5c\u6d41\u5e73\u53f0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\u548cEmbulk\u7684\u5de5\u4f5c\u6d41\u5e73\u53f0\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0 \u6211\u5c06\u5199\u4e00\u7bc7\u5173\u4e8e\u5728Kubernetes\u4e0a\u8fd0\u884cDigdag\uff0c\u5e76\u4ece\u8be5\u5de5\u4f5c\u6d41\u4e2d\u8c03\u7528Embulk\u6279\u5904\u7406\u7684\u5de5 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728kubernetes\u4e0a\u8fd0\u884cdigdag\u548cembulk\u7684\u5de5\u4f5c\u6d41\u5e73\u53f0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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