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向自建系統導出ASM鏈路追蹤數據

ASM實例為1.18.0.124版本以下,ASM僅支持向您自建的兼容Zipkin協議的系統導出追蹤數據;1.18.0.124版本及以上,ASM僅支持向您自建的OpenTelemetry導出鏈路追蹤數據。本文介紹如何向自建的Zipkin或者OpenTelemetry導出ASM鏈路追蹤數據。

前提條件

  • 該自建系統支持標準Zipkin協議,并通過標準Zipkin端口9411監聽。若您使用Jaeger,則需要部署Zipkin Collector。

  • 該自建系統部署于數據面集群內。

  • 已添加Kubernetes集群到ASM實例。具體操作,請參見添加集群到ASM實例。

  • ASM實例已部署入口網關。具體操作,請參見創建入口網關。

操作步驟

請按照實例版本選擇相應操作。

ASM實例版本為1.18.0.124及以上

步驟一:部署Zipkin

  1. 執行以下命令,創建zipkin命名空間,用于部署Zipkin。

    kubectl create namespace zipkin
  2. 執行以下命令,通過Helm安裝Zipkin。

    helm install --namespace zipkin my-zipkin carlosjgp/zipkin --version 0.2.0
  3. 執行以下命令,檢查Zipkin是否正常運行。

    kubectl -n zipkin get pods

    預期輸出:

    NAME                                   READY   STATUS    RESTARTS   AGE
    my-zipkin-collector-79c6dc9cd7-jmswm   1/1     Running   0          29m
    my-zipkin-ui-64c97b4d6c-f742j          1/1     Running   0          29m

步驟二:部署OpenTelemetry Operator

  1. 執行以下命令,創建opentelemetry-operator-system命名空間。

    kubectl create namespace opentelemetry-operator-system
  2. 執行以下命令,使用Helm在opentelemetry-operator-system命名空間下安裝OpenTelemetry Operator。

    helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
    helm install  --namespace=opentelemetry-operator-system --set admissionWebhooks.certManager.enabled=false --set admissionWebhooks.certManager.autoGenerateCert=true opentelemetry-operator open-telemetry/opentelemetry-operator
  3. 執行以下命令,檢查opentelemetry-operator是否正常運行。

    kubectl get pod -n opentelemetry-operator-system

    預期輸出:

    NAME                                      READY   STATUS    RESTARTS   AGE
    opentelemetry-operator-854fb558b5-pvllj   2/2     Running   0          1m

    STATUSRunning,表明opentelemetry-operator正常運行。

步驟三:創建OpenTelemetry Collector

  1. 使用以下內容,創建collector.yaml文件。

    請將YAML中的${ENDPOINT}替換為gRPC協議的VPC網絡接入點,${TOKEN}替換為鑒權Token。關于如何獲取阿里云可觀測鏈路OpenTelemetry版的接入點和鑒權Token,請參見接入和鑒權說明。

    展開查看collector.yaml

    apiVersion: opentelemetry.io/v1alpha1
    kind: OpenTelemetryCollector
    metadata:
      labels:
        app.kubernetes.io/managed-by: opentelemetry-operator
      name: default
      namespace: opentelemetry-operator-system
      annotations:
        sidecar.istio.io/inject: "false"
    spec:
      config: |
        extensions:
          memory_ballast:
            size_mib: 512
          zpages:
            endpoint: 0.0.0.0:55679
        receivers:
          otlp:
            protocols:
              grpc:
                endpoint: "0.0.0.0:4317"
        exporters:
          debug:
          zipkin:
          	endpoint: http://my-zipkin-collector.zipkin.svc.cluster.local:9411/api/v2/spans
        service:
          pipelines:
            traces:
              receivers: [otlp]
              processors: []
              exporters: [zipkin, debug]
      ingress:
        route: {}
      managementState: managed
      mode: deployment
      observability:
        metrics: {}
      podDisruptionBudget:
        maxUnavailable: 1
      replicas: 1
      resources: {}
      targetAllocator:
        prometheusCR:
          scrapeInterval: 30s
        resources: {}
      upgradeStrategy: automatic
  2. 在ACK集群對應的KubeConfig環境下,執行以下命令,將collector部署到集群。

    kubectl apply -f collector.yaml
  3. 執行以下命令,檢查collector是否正常啟動。

    kubectl get pod -n opentelemetry-operator-system

    預期輸出:

    NAME                                      READY   STATUS    RESTARTS   AGE
    opentelemetry-operator-854fb558b5-pvllj   2/2     Running   0          3m
    default-collector-5cbb4497f4-2hjqv        1/1     Running   0          30s

    預期輸出表明collector正常啟動。

  4. 執行以下命令,檢查服務是否創建。

    kubectl get svc -n opentelemetry-operator-system

    預期輸出:

    opentelemetry-operator           ClusterIP   172.16.138.165   <none>        8443/TCP,8080/TCP   3m
    opentelemetry-operator-webhook   ClusterIP   172.16.127.0     <none>        443/TCP             3m
    default-collector              ClusterIP   172.16.145.93    <none>        4317/TCP   30s
    default-collector-headless     ClusterIP   None             <none>        4317/TCP   30s
    default-collector-monitoring   ClusterIP   172.16.136.5     <none>        8888/TCP   30s

    預期輸出表明服務已創建成功。

步驟四:部署測試應用

部署bookinfo和sleep應用。具體操作,請參見在ASM實例關聯的集群中部署應用。

  • bookinfo.yaml

  • sleep.yaml

    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: sleep
    ---
    apiVersion: v1
    kind: Service
    metadata:
      name: sleep
      labels:
        app: sleep
        service: sleep
    spec:
      ports:
      - port: 80
        name: http
      selector:
        app: sleep
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: sleep
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: sleep
      template:
        metadata:
          labels:
            app: sleep
        spec:
          terminationGracePeriodSeconds: 0
          serviceAccountName: sleep
          containers:
          - name: sleep
            image: curl:8.1.2
            command: ["/bin/sleep", "infinity"]
            imagePullPolicy: IfNotPresent
            volumeMounts:
            - mountPath: /etc/sleep/tls
              name: secret-volume
          volumes:
          - name: secret-volume
            secret:
              secretName: sleep-secret
              optional: true
    ---

步驟五:訪問應用并查看上報的追蹤數據

  1. 執行以下命令,訪問productpage應用。

    kubectl exec -it deploy/sleep -c sleep -- curl  productpage:9080/productpage?u=normal
  2. 訪問成功后,查看OpenTelemetry Collector日志,查看debug exporter打印的輸出。

    2023-11-20T08:44:27.531Z	info	TracesExporter	{"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 3}

步驟六:配置ASM網關,通過Zipkin頁面查看上報的追蹤數據

  1. 創建網關規則。

    1. 使用以下內容,創建ingressgateway.yaml。

      展開查看ingressgateway.yaml

      apiVersion: networking.istio.io/v1beta1
      kind: Gateway
      metadata:
        name: ingressgateway
        namespace: istio-system
      spec:
        selector:
          istio: ingressgateway
        servers:
          - hosts:
              - '*'
            port:
              name: http
              number: 80
              protocol: HTTP
      ---
      apiVersion: networking.istio.io/v1beta1
      kind: VirtualService
      metadata:
        name: ingressgateway
        namespace: istio-system
      spec:
        gateways:
          - ingressgateway
        hosts:
          - '*'
        http:
          - route:
              - destination:
                  host: my-zipkin-collector.zipkin.svc.cluster.local
                  port:
                    number: 9411
      
    2. 在ASM實例對應的KubeConfig環境下,執行以下命令,為ASM網關創建80端口監聽和指向Zipkin服務的路由。

      kubectl apply -f ingressgateway.yaml
  2. 通過網關地址訪問Zipkin服務,查看已經上報的鏈路追蹤數據。

    image.png

ASM實例版本為1.18.0.124以下

步驟一:為網格實例啟用鏈路追蹤

  • ASM實例版本為1.17.2.28以下:登錄ASM控制臺,在目標實例的基本信息頁面,單擊功能設置,選中啟用鏈路追蹤,按需進行配置,然后單擊確定。

  • ASM實例版本為1.17.2.28及以上:請參考鏈路追蹤設置說明,啟用鏈路追蹤。

步驟二:在數據面集群部署Zipkin

  1. 使用以下內容,創建zipkin-server.yaml文件。

    展開查看zipkin-server.yaml

    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: zipkin-server
      namespace: istio-system
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: zipkin-server
          component: zipkin
      template:
       metadata:
        labels:
          app: zipkin-server
          component: zipkin
       spec:
        containers:
         - name: zipkin-server
           image: openzipkin/zipkin
           imagePullPolicy: IfNotPresent
           readinessProbe:
                httpGet:
                  path: /health
                  port: 9411
                initialDelaySeconds: 5
                periodSeconds: 5
    說明

    如果您需要使用自行準備的追蹤系統YAML文件部署,請確保Deployment處于istio-system命名空間下。

  2. 執行以下命令,將該配置應用到數據面集群。

    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG} apply -f zipkin-server.yaml
    說明

    命令中的${DATA_PLANE_KUBECONFIG}請替換為數據面集群的KubeConfig文件路徑,${ASM_KUBECONFIG}請替換為網格實例的KubeConfig文件路徑。

  3. 部署完畢后,確認ZipkinServer Pod正常啟動。

步驟三:創建Service暴露ZipkinServer

您需要在istio-system命名空間下創建名為zipkin的服務,來接收ASM的鏈路追蹤信息。

  • 若需要將Zipkin暴露于公網,請使用zipkin-svc-expose-public.yaml。

  • 若不希望暴露于公網,請使用zipkin-svc.yaml。

為了便于查看追蹤數據,下文使用zipkin-svc-expose-public.yaml將Zipkin Server暴露于公網端口。

說明

創建的服務名稱必須為zipkin。

  1. 按需選擇以下內容,創建YAML文件。

    • 若需要將Zipkin暴露于公網,請使用zipkin-svc-expose-public.yaml。

      展開查看zipkin-svc-expose-public.yaml

      apiVersion: v1
      kind: Service
      metadata:
        labels:
          app: tracing
          component: zipkin
        name: zipkin
        namespace: istio-system
      spec:
        ports:
        - name: zipkin
          port: 9411
          protocol: TCP
          targetPort: 9411
        selector:
          app: zipkin-server
          component: zipkin
        type: LoadBalancer
    • 若不希望暴露于公網,請使用zipkin-svc.yaml。

      展開查看zipkin-svc.yaml

      apiVersion: v1
      kind: Service
      metadata:
        labels:
          app: tracing
          component: zipkin
        name: zipkin
        namespace: istio-system
      spec:
        ports:
        - name: zipkin
          port: 9411
          protocol: TCP
          targetPort: 9411
        selector:
          app: zipkin-server
          component: zipkin
        type: ClusterIP
    說明

    如果您需要使用自行準備的YAML文件部署Service,請確保Service處在istio-system命名空間下。

  2. 執行以下命令,將Zipkin Service應用到數據面集群。

    # 部署內網zipkin。
    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG} apply -f zipkin-svc.yaml
    # 部署公網可以訪問的zipkin。
    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG} apply -f zipkin-svc-expose-public.yaml

步驟四:部署測試應用BookInfo

  1. 執行以下命令,將Bookinfo應用部署到數據面集群中。

    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG} apply -f bookinfo.yaml

    展開查看bookinfo.yaml

    apiVersion: v1
    kind: Service
    metadata:
      name: details
      labels:
        app: details
        service: details
    spec:
      ports:
      - port: 9080
        name: http
      selector:
        app: details
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: bookinfo-details
      labels:
        account: details
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: details-v1
      labels:
        app: details
        version: v1
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: details
          version: v1
      template:
        metadata:
          labels:
            app: details
            version: v1
        spec:
          serviceAccountName: bookinfo-details
          containers:
          - name: details
            image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
            imagePullPolicy: IfNotPresent
            ports:
            - containerPort: 9080
    ---
    ##################################################################################################
    # Ratings service
    ##################################################################################################
    apiVersion: v1
    kind: Service
    metadata:
      name: ratings
      labels:
        app: ratings
        service: ratings
    spec:
      ports:
      - port: 9080
        name: http
      selector:
        app: ratings
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: bookinfo-ratings
      labels:
        account: ratings
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: ratings-v1
      labels:
        app: ratings
        version: v1
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: ratings
          version: v1
      template:
        metadata:
          labels:
            app: ratings
            version: v1
        spec:
          serviceAccountName: bookinfo-ratings
          containers:
          - name: ratings
            image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
            imagePullPolicy: IfNotPresent
            ports:
            - containerPort: 9080
    ---
    ##################################################################################################
    # Reviews service
    ##################################################################################################
    apiVersion: v1
    kind: Service
    metadata:
      name: reviews
      labels:
        app: reviews
        service: reviews
    spec:
      ports:
      - port: 9080
        name: http
      selector:
        app: reviews
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: bookinfo-reviews
      labels:
        account: reviews
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: reviews-v1
      labels:
        app: reviews
        version: v1
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: reviews
          version: v1
      template:
        metadata:
          labels:
            app: reviews
            version: v1
        spec:
          serviceAccountName: bookinfo-reviews
          containers:
          - name: reviews
            image: docker.io/istio/examples-bookinfo-reviews-v1:1.16.2
            imagePullPolicy: IfNotPresent
            env:
            - name: LOG_DIR
              value: "/tmp/logs"
            ports:
            - containerPort: 9080
            volumeMounts:
            - name: tmp
              mountPath: /tmp
            - name: wlp-output
              mountPath: /opt/ibm/wlp/output
          volumes:
          - name: wlp-output
            emptyDir: {}
          - name: tmp
            emptyDir: {}
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: reviews-v2
      labels:
        app: reviews
        version: v2
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: reviews
          version: v2
      template:
        metadata:
          labels:
            app: reviews
            version: v2
        spec:
          serviceAccountName: bookinfo-reviews
          containers:
          - name: reviews
            image: docker.io/istio/examples-bookinfo-reviews-v2:1.16.2
            imagePullPolicy: IfNotPresent
            env:
            - name: LOG_DIR
              value: "/tmp/logs"
            ports:
            - containerPort: 9080
            volumeMounts:
            - name: tmp
              mountPath: /tmp
            - name: wlp-output
              mountPath: /opt/ibm/wlp/output
          volumes:
          - name: wlp-output
            emptyDir: {}
          - name: tmp
            emptyDir: {}
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: reviews-v3
      labels:
        app: reviews
        version: v3
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: reviews
          version: v3
      template:
        metadata:
          labels:
            app: reviews
            version: v3
        spec:
          serviceAccountName: bookinfo-reviews
          containers:
          - name: reviews
            image: docker.io/istio/examples-bookinfo-reviews-v3:1.16.2
            imagePullPolicy: IfNotPresent
            env:
            - name: LOG_DIR
              value: "/tmp/logs"
            ports:
            - containerPort: 9080
            volumeMounts:
            - name: tmp
              mountPath: /tmp
            - name: wlp-output
              mountPath: /opt/ibm/wlp/output
          volumes:
          - name: wlp-output
            emptyDir: {}
          - name: tmp
            emptyDir: {}
    ---
    ##################################################################################################
    # Productpage services
    ##################################################################################################
    apiVersion: v1
    kind: Service
    metadata:
      name: productpage
      labels:
        app: productpage
        service: productpage
    spec:
      ports:
      - port: 9080
        name: http
      selector:
        app: productpage
    ---
    apiVersion: v1
    kind: ServiceAccount
    metadata:
      name: bookinfo-productpage
      labels:
        account: productpage
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: productpage-v1
      labels:
        app: productpage
        version: v1
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: productpage
          version: v1
      template:
        metadata:
          labels:
            app: productpage
            version: v1
        spec:
          serviceAccountName: bookinfo-productpage
          containers:
          - name: productpage
            image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
            imagePullPolicy: IfNotPresent
            ports:
            - containerPort: 9080
            volumeMounts:
            - name: tmp
              mountPath: /tmp
          volumes:
          - name: tmp
            emptyDir: {}
    ---
  2. 通過kubectl執行以下命令,部署Bookinfo應用的VirtualServices。

    kubectl --kubeconfig=${ASM_KUBECONFIG} apply -f virtual-service-all-v1.yaml

    展開查看virtual-service-all-v1.yaml

    apiVersion: networking.istio.io/v1alpha3
    kind: VirtualService
    metadata:
      name: productpage
    spec:
      hosts:
      - productpage
      http:
      - route:
        - destination:
            host: productpage
            subset: v1
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: VirtualService
    metadata:
      name: reviews
    spec:
      hosts:
      - reviews
      http:
      - route:
        - destination:
            host: reviews
            subset: v1
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: VirtualService
    metadata:
      name: ratings
    spec:
      hosts:
      - ratings
      http:
      - route:
        - destination:
            host: ratings
            subset: v1
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: VirtualService
    metadata:
      name: details
    spec:
      hosts:
      - details
      http:
      - route:
        - destination:
            host: details
            subset: v1
    ---
  3. 通過kubectl執行以下命令,部署Bookinfo應用的DestinationRules。

    kubectl --kubeconfig=${ASM_KUBECONFIG} apply -f destination-rule-all.yaml

    展開查看destination-rule-all.yaml

    apiVersion: networking.istio.io/v1alpha3
    kind: DestinationRule
    metadata:
      name: productpage
    spec:
      host: productpage
      subsets:
      - name: v1
        labels:
          version: v1
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: DestinationRule
    metadata:
      name: reviews
    spec:
      host: reviews
      subsets:
      - name: v1
        labels:
          version: v1
      - name: v2
        labels:
          version: v2
      - name: v3
        labels:
          version: v3
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: DestinationRule
    metadata:
      name: ratings
    spec:
      host: ratings
      subsets:
      - name: v1
        labels:
          version: v1
      - name: v2
        labels:
          version: v2
      - name: v2-mysql
        labels:
          version: v2-mysql
      - name: v2-mysql-vm
        labels:
          version: v2-mysql-vm
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: DestinationRule
    metadata:
      name: details
    spec:
      host: details
      subsets:
      - name: v1
        labels:
          version: v1
      - name: v2
        labels:
          version: v2
    ---
  4. 通過Kubectl執行以下命令,部署Bookinfo應用的Gateway。

    kubectl --kubeconfig=${ASM_KUBECONFIG} apply -f bookinfo-gateway.yaml

    展開查看bookinfo-gateway.yaml

    apiVersion: networking.istio.io/v1alpha3
    kind: Gateway
    metadata:
      name: bookinfo-gateway
    spec:
      selector:
        istio: ingressgateway # use istio default controller
      servers:
      - port:
          number: 80
          name: http
          protocol: HTTP
        hosts:
        - "*"
    ---
    apiVersion: networking.istio.io/v1alpha3
    kind: VirtualService
    metadata:
      name: bookinfo
    spec:
      hosts:
      - "*"
      gateways:
      - bookinfo-gateway
      http:
      - match:
        - uri:
            exact: /productpage
        - uri:
            prefix: /static
        - uri:
            exact: /login
        - uri:
            exact: /logout
        - uri:
            prefix: /api/v1/products
        route:
        - destination:
            host: productpage
            port:
              number: 9080

步驟五:產生追蹤數據

  1. 執行以下命令,獲得入口網關地址。

    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG} get svc -n istio-system|grep ingressgateway|awk -F ' ' '{print $4}' 
  2. 使用地址入口網關地址/productpage訪問Bookinfo應用。

步驟六:查看鏈路追蹤數據

  1. 執行以下命令,獲取Zipkin Service地址。

    kubectl --kubeconfig=${DATA_PLANE_KUBECONFIG}get svc -n istio-system|grep zipkin|awk -F ' ' '{print $4}'
  2. 使用Zipkin Service地址:9411,訪問Zipkin控制臺,查看追蹤數據。

    鏈路追蹤