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您可以通過多集群統一報警管理能力，在Fleet實例中配置或修改報警規則。由Fleet實例將報警規則統一下發到指定的關聯集群中，且保證已下發的報警規則在各個關聯集群中的一致性。同時，Fleet實例可以對新關聯的集群自動同步報警規則。本文介紹如何實現艦隊中多集群的統一報警管理。

前提條件

已開啟艦隊管理功能。具體操作，請參見開啟艦隊管理功能。
艦隊的Fleet實例已添加2個關聯集群（服務提供者集群、服務消費者集群）。具體操作，請參見添加關聯集群。
已從ACK One控制臺獲取Fleet實例的KubeConfig，并通過kubectl連接至Fleet實例。
艦隊的Fleet實例已添加2個關聯集群（服務提供者集群、服務消費者集群）。具體操作，請參見添加關聯集群。
已安裝最新版本阿里云CLI并配置阿里云CLI。
在需要統一報警管理的集群上，已安裝報警管理相關組件。具體操作，請參見組件安裝與升級。

背景信息

在多集群場景中，往往所有集群的報警規則是一致的，當需要修改某一個規則時，需要登錄所有集群的控制臺逐一修改，操作繁瑣而且容易出錯。您可以通過多集群統一報警管理能力，在Fleet實例上統一配置報警規則，指定哪些異常需要告警和告警相關的聯系人。更多信息，請參見容器服務報警管理。多集群管理統一報警架構如下圖所示：

步驟一：創建報警聯系人與聯系人分組

您可以通過以下步驟創建報警聯系人和聯系人分組，報警聯系人和聯系人分組創建一次即可，在所有容器服務集群內共享。

登錄容器服務管理控制臺，在左側導航欄選擇集群。
在集群列表頁面中，單擊目標集群名稱，然后在左側導航欄中，選擇運維管理 > 報警配置。
說明
首次登錄需根據頁面提示進行安裝，若顯示組件未升級，需單擊開始升級完成升級后，進入報警配置頁面。
在報警配置頁面，按照以下步驟完成聯系人創建和聯系人分組創建。
1. 單擊聯系人管理頁簽，然后單擊創建。
2. 在創建聯系人頁面，輸入姓名、電話和郵箱。然后單擊確定。
  聯系人創建完成后，您將會收到驗證激活短信或驗證激活郵件，請按相應提示進行激活操作。
3. 單擊聯系人分組管理頁簽，然后單擊創建。
4. 在創建分組頁面，輸入分組名稱，然后選擇分組聯系人，最后單擊確定。
  選擇分組聯系人時，將可選聯系人添加到已選聯系人列表，也可移除已選聯系人。

步驟二：獲取報警聯系人分組ID

使用如下Aliyun CLI查詢聯系人分組，獲取其在其他云服務中的內部ID，用于后續配置報警規則。

aliyun cs GET /alert/contact_groups
{
    "contact_groups": [
        {
            "ali_uid": 14783****,
            "binding_info": "{\"sls_id\":\"ack_14783****_***\",\"cms_contact_group_name\":\"ack_Default Contact Group\",\"arms_id\":\"1****\"}",
            "contacts": null,
            "created": "2021-07-21T12:18:34+08:00",
            "group_contact_ids": [
                2***
            ],
            "group_name": "Default Contact Group",
            "id": 3***,
            "updated": "2022-09-19T19:23:57+08:00"
        }
    ],
    "page_info": {
        "page_number": 1,
        "page_size": 100,
        "total_count": 1
    }
}

在查詢結果信息中提取信息，構建contactGroups。

contactGroups:
- arms_contact_group_id: "1****"                       #從上步查詢結果的contact_groups.binding_info.arms_id獲取。
  cms_contact_group_name: ack_Default Contact Group    #從上步查詢結果的contact_groups.binding_info.cms_contact_group_name獲取。
  id: "3***"                                           #從上步查詢結果的contact_groups.id獲取。

步驟三：創建報警規則

您可以使用如下模板創建報警規則，模板中預置了所有容器服務ACK支持的報警規則，下面以開啟error-events報警規則為例說明報警規則開啟步驟。

說明

報警規則的名稱必須為default，命名空間必須為kube-system。詳細的規則描述，請參見默認報警規則模板。
您在Fleet實例中創建報警規則后，報警實際并未生效，還需要創建分發規則將報警規則分發到關聯集群中，使得報警規則在各關聯集群中生效。

修改error-events報警規則對應的rules.enable為enable。
添加從上一步生成的contactGroups字段。將修改后的報警規則模板另存為ackalertrule.yaml。
執行命令kubectl apply -f ackalertrule.yaml，在Fleet實例中創建報警規則。

報警規則模板如下：

apiVersion: alert.alibabacloud.com/v1beta1
kind: AckAlertRule
metadata:
  name: default
  namespace: kube-system
spec:
  groups:
  - name: error-events
    rules:
    - enable: enable
      contactGroups:
      - arms_contact_group_id: "1****"
        cms_contact_group_name: ack_Default Contact Group
        id: "3***"
      expression: sls.app.ack.error
      name: error-event
      notification:
        message: kubernetes cluster error event.
      type: event
  - name: warn-events
    rules:
    - enable: disable
      expression: sls.app.ack.warn
      name: warn-event
      notification:
        message: kubernetes cluster warn event.
      type: event
  - name: cluster-core-error
    rules:
    - enable: disable
      expression: prom.apiserver.notHealthy.down
      name: apiserver-unhealthy
      notification:
        message: "Cluster APIServer not healthy. \nPromQL: ((sum(up{job=\"apiserver\"})
          <= 0) or (absent(sum(up{job=\"apiserver\"})))) > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.etcd.notHealthy.down
      name: etcd-unhealthy
      notification:
        message: "Cluster ETCD not healthy. \nPromQL: ((sum(up{job=\"etcd\"}) <= 0)
          or (absent(sum(up{job=\"etcd\"})))) > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.scheduler.notHealthy.down
      name: scheduler-unhealthy
      notification:
        message: "Cluster Scheduler not healthy. \nPromQL: ((sum(up{job=\"ack-scheduler\"})
          <= 0) or (absent(sum(up{job=\"ack-scheduler\"})))) > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.kcm.notHealthy.down
      name: kcm-unhealthy
      notification:
        message: "Custer kube-controller-manager not healthy. \nPromQL: ((sum(up{job=\"ack-kube-controller-manager\"})
          <= 0) or (absent(sum(up{job=\"ack-kube-controller-manager\"})))) > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.ccm.notHealthy.down
      name: ccm-unhealthy
      notification:
        message: "Cluster cloud-controller-manager not healthy. \nPromQL: ((sum(up{job=\"ack-cloud-controller-manager\"})
          <= 0) or (absent(sum(up{job=\"ack-cloud-controller-manager\"})))) > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.coredns.notHealthy.requestdown
      name: coredns-unhealthy-requestdown
      notification:
        message: "Cluster CoreDNS not healthy, continuously request down. \nPromQL:
          (sum(rate(coredns_dns_request_count_total{}[1m]))by(server,zone)<=0) or
          (sum(rate(coredns_dns_requests_total{}[1m]))by(server,zone)<=0)"
      type: metric-prometheus
    - enable: disable
      expression: prom.coredns.notHealthy.panic
      name: coredns-unhealthy-panic
      notification:
        message: "Cluster CoreDNS not healthy, continuously panic. \nPromQL: sum(rate(coredns_panic_count_total{}[3m]))
          > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.ingress.request.errorRateHigh
      name: ingress-err-request
      notification:
        message: Cluster Ingress Controller request error rate high (default error
          rate is 85%).
      type: metric-prometheus
    - enable: disable
      expression: prom.ingress.ssl.expire
      name: ingress-ssl-expire
      notification:
        message: "Cluster Ingress Controller SSL will expire in a few days (default
          14 days). \nPromQL: ((nginx_ingress_controller_ssl_expire_time_seconds -
          time()) / 24 / 3600) < 14"
      type: metric-prometheus
  - name: cluster-error
    rules:
    - enable: disable
      expression: sls.app.ack.docker.hang
      name: docker-hang
      notification:
        message: kubernetes node docker hang.
      type: event
    - enable: disable
      expression: sls.app.ack.eviction
      name: eviction-event
      notification:
        message: kubernetes eviction event.
      type: event
    - enable: disable
      expression: sls.app.ack.gpu.xid_error
      name: gpu-xid-error
      notification:
        message: kubernetes gpu xid error event.
      type: event
    - enable: disable
      expression: sls.app.ack.image.pull_back_off
      name: image-pull-back-off
      notification:
        message: kubernetes image pull back off event.
      type: event
    - enable: disable
      expression: sls.app.ack.node.down
      name: node-down
      notification:
        message: kubernetes node down event.
      type: event
    - enable: disable
      expression: sls.app.ack.node.restart
      name: node-restart
      notification:
        message: kubernetes node restart event.
      type: event
    - enable: disable
      expression: sls.app.ack.ntp.down
      name: node-ntp-down
      notification:
        message: kubernetes node ntp down.
      type: event
    - enable: disable
      expression: sls.app.ack.node.pleg_error
      name: node-pleg-error
      notification:
        message: kubernetes node pleg error event.
      type: event
    - enable: disable
      expression: sls.app.ack.ps.hang
      name: ps-hang
      notification:
        message: kubernetes ps hang event.
      type: event
    - enable: disable
      expression: sls.app.ack.node.fd_pressure
      name: node-fd-pressure
      notification:
        message: kubernetes node fd pressure event.
      type: event
    - enable: disable
      expression: sls.app.ack.node.pid_pressure
      name: node-pid-pressure
      notification:
        message: kubernetes node pid pressure event.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.del_node_failed
      name: node-del-err
      notification:
        message: kubernetes delete node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.add_node_failed
      name: node-add-err
      notification:
        message: kubernetes add node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.run_command_fail
      name: nlc-run-cmd-err
      notification:
        message: kubernetes node pool nlc run command failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.empty_task_cmd
      name: nlc-empty-cmd
      notification:
        message: kubernetes node pool nlc delete node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.url_mode_unimpl
      name: nlc-url-m-unimp
      notification:
        message: kubernetes nodde pool nlc delete node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.op_not_found
      name: nlc-opt-no-found
      notification:
        message: kubernetes node pool nlc delete node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.destroy_node_fail
      name: nlc-des-node-err
      notification:
        message: kubernetes node pool nlc destory node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.drain_node_fail
      name: nlc-drain-node-err
      notification:
        message: kubernetes node pool nlc drain node failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.restart_ecs_wait_fail
      name: nlc-restart-ecs-wait
      notification:
        message: kubernetes node pool nlc restart ecs wait timeout.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.restart_ecs_fail
      name: nlc-restart-ecs-err
      notification:
        message: kubernetes node pool nlc restart ecs failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.reset_ecs_fail
      name: nlc-reset-ecs-err
      notification:
        message: kubernetes node pool nlc reset ecs failed.
      type: event
    - enable: disable
      expression: sls.app.ack.nlc.repair_fail
      name: nlc-sel-repair-err
      notification:
        message: kubernetes node pool nlc self repair failed.
      type: event
  - name: res-exceptions
    rules:
    - enable: disable
      expression: cms.host.cpu.utilization
      name: node_cpu_util_high
      notification:
        message: kubernetes cluster node cpu utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.host.memory.utilization
      name: node_mem_util_high
      notification:
        message: kubernetes cluster node memory utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.host.disk.utilization
      name: node_disk_util_high
      notification:
        message: kubernetes cluster node disk utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.host.public.network.utilization
      name: node_public_net_util_high
      notification:
        message: kubernetes cluster node public network utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.host.fs.inode.utilization
      name: node_fs_inode_util_high
      notification:
        message: kubernetes cluster node file system inode utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.slb.qps.utilization
      name: slb_qps_util_high
      notification:
        message: kubernetes cluster slb qps utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.slb.traffic.tx.utilization
      name: slb_traff_tx_util_high
      notification:
        message: kubernetes cluster slb traffic utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.slb.max.connection.utilization
      name: slb_max_con_util_high
      notification:
        message: kubernetes cluster max connection utilization too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: percent
        value: "85"
      type: metric-cms
    - enable: disable
      expression: cms.slb.drop.connection
      name: slb_drop_con_high
      notification:
        message: kubernetes cluster drop connection count per second too high.
      thresholds:
      - key: CMS_ESCALATIONS_CRITICAL_Threshold
        unit: count
        value: "1"
      type: metric-cms
    - enable: disable
      expression: sls.app.ack.node.disk_pressure
      name: node-disk-pressure
      notification:
        message: kubernetes node disk pressure event.
      type: event
    - enable: disable
      expression: sls.app.ack.resource.insufficient
      name: node-res-insufficient
      notification:
        message: kubernetes node resource insufficient.
      type: event
    - enable: disable
      expression: sls.app.ack.ip.not_enough
      name: node-ip-pressure
      notification:
        message: kubernetes ip not enough event.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.no_enough_disk_space
      name: disk_space_press
      notification:
        message: kubernetes csi not enough disk space.
      type: event
  - name: cluster-scale
    rules:
    - enable: disable
      expression: sls.app.ack.autoscaler.scaleup_group
      name: autoscaler-scaleup
      notification:
        message: kubernetes autoscaler scale up.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.scaledown
      name: autoscaler-scaledown
      notification:
        message: kubernetes autoscaler scale down.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.scaleup_timeout
      name: autoscaler-scaleup-timeout
      notification:
        message: kubernetes autoscaler scale up timeout.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.scaledown_empty
      name: autoscaler-scaledown-empty
      notification:
        message: kubernetes autoscaler scale down empty node.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.scaleup_group_failed
      name: autoscaler-up-group-failed
      notification:
        message: kubernetes autoscaler scale up failed.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.cluster_unhealthy
      name: autoscaler-cluster-unhealthy
      notification:
        message: kubernetes autoscaler error, cluster not healthy.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.delete_started_timeout
      name: autoscaler-del-started
      notification:
        message: kubernetes autoscaler delete node started long ago.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.delete_unregistered
      name: autoscaler-del-unregistered
      notification:
        message: kubernetes autoscaler delete unregistered node.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.scaledown_failed
      name: autoscaler-scale-down-failed
      notification:
        message: kubernetes autoscaler scale down failed.
      type: event
    - enable: disable
      expression: sls.app.ack.autoscaler.instance_expired
      name: autoscaler-instance-expired
      notification:
        message: kubernetes autoscaler scale down instance expired.
      type: event
  - name: workload-exceptions
    rules:
    - enable: disable
      expression: prom.job.failed
      name: job-failed
      notification:
        message: "Cluster Job failed. \nPromQL: kube_job_status_failed{job=\"_kube-state-metrics\"}
          > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.deployment.replicaError
      name: deployment-rep-err
      notification:
        message: "Cluster Deployment replication status error. \nPromQL: kube_deployment_spec_replicas{job=\"_kube-state-metrics\"}
          != kube_deployment_status_replicas_available{job=\"_kube-state-metrics\"}"
      type: metric-prometheus
    - enable: disable
      expression: prom.daemonset.scheduledError
      name: daemonset-status-err
      notification:
        message: "Cluster Daemonset pod status or scheduled error. \nPromQL: ((100
          - kube_daemonset_status_number_ready{} / kube_daemonset_status_desired_number_scheduled{}
          * 100) or (kube_daemonset_status_desired_number_scheduled{} - kube_daemonset_status_current_number_scheduled{}))
          > 0"
      type: metric-prometheus
    - enable: disable
      expression: prom.daemonset.misscheduled
      name: daemonset-misscheduled
      notification:
        message: "Cluster Daemonset misscheduled. \nPromQL: kube_daemonset_status_number_misscheduled{job=\"_kube-state-metrics\"}
          \ > 0"
      type: metric-prometheus
  - name: pod-exceptions
    rules:
    - enable: disable
      expression: sls.app.ack.pod.oom
      name: pod-oom
      notification:
        message: kubernetes pod oom event.
      type: event
    - enable: disable
      expression: sls.app.ack.pod.failed
      name: pod-failed
      notification:
        message: kubernetes pod start failed event.
      type: event
    - enable: disable
      expression: prom.pod.status.notHealthy
      name: pod-status-err
      notification:
        message: 'Pod status exception. \nPromQL: min_over_time(sum by (namespace,
          pod, phase) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed", job="_kube-state-metrics"})[${mins}m:1m])
          > 0'
      type: metric-prometheus
    - enable: disable
      expression: prom.pod.status.crashLooping
      name: pod-crashloop
      notification:
        message: 'Pod status exception. \nPromQL: sum_over_time(increase(kube_pod_container_status_restarts_total{job="_kube-state-metrics"}[1m])[${mins}m:1m])
          > 3'
      type: metric-prometheus
  - name: cluster-storage-err
    rules:
    - enable: disable
      expression: sls.app.ack.csi.invalid_disk_size
      name: csi_invalid_size
      notification:
        message: kubernetes csi invalid disk size.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.disk_not_portable
      name: csi_not_portable
      notification:
        message: kubernetes csi not protable.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.deivce_busy
      name: csi_device_busy
      notification:
        message: kubernetes csi disk device busy.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.no_ava_disk
      name: csi_no_ava_disk
      notification:
        message: kubernetes csi no available disk.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.disk_iohang
      name: csi_disk_iohang
      notification:
        message: kubernetes csi ioHang.
      type: event
    - enable: disable
      expression: sls.app.ack.csi.latency_too_high
      name: csi_latency_high
      notification:
        message: kubernetes csi pvc latency load too high.
      type: event
    - enable: disable
      expression: prom.pv.failed
      name: pv-failed
      notification:
        message: 'Cluster PersistentVolume failed. \nPromQL: kube_persistentvolume_status_phase{phase=~"Failed|Pending",
          job="_kube-state-metrics"} > 0'
      type: metric-prometheus
  - name: cluster-network-err
    rules:
    - enable: disable
      expression: sls.app.ack.ccm.no_ava_slb
      name: slb-no-ava
      notification:
        message: kubernetes slb not available.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.sync_slb_failed
      name: slb-sync-err
      notification:
        message: kubernetes slb sync failed.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.del_slb_failed
      name: slb-del-err
      notification:
        message: kubernetes slb delete failed.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.create_route_failed
      name: route-create-err
      notification:
        message: kubernetes create route failed.
      type: event
    - enable: disable
      expression: sls.app.ack.ccm.sync_route_failed
      name: route-sync-err
      notification:
        message: kubernetes sync route failed.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.invalid_resource
      name: terway-invalid-res
      notification:
        message: kubernetes terway have invalid resource.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.alloc_ip_fail
      name: terway-alloc-ip-err
      notification:
        message: kubernetes terway allocate ip error.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.parse_fail
      name: terway-parse-err
      notification:
        message: kubernetes terway parse k8s.aliyun.com/ingress-bandwidth annotation
          error.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.allocate_failure
      name: terway-alloc-res-err
      notification:
        message: kubernetes parse resource error.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.dispose_failure
      name: terway-dispose-err
      notification:
        message: kubernetes dispose resource error.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.virtual_mode_change
      name: terway-virt-mod-err
      notification:
        message: kubernetes virtual mode changed.
      type: event
    - enable: disable
      expression: sls.app.ack.terway.config_check
      name: terway-ip-check
      notification:
        message: kubernetes terway execute pod ip config check.
      type: event
    - enable: disable
      expression: sls.app.ack.ingress.err_reload_nginx
      name: ingress-reload-err
      notification:
        message: kubernetes ingress reload config error.
      type: event
  - name: security-err
    rules:
    - enable: disable
      expression: sls.app.ack.si.config_audit_high_risk
      name: si-c-a-risk
      notification:
        message: kubernetes high risks have be found after running config audit.
      type: event
  ruleVersion: v1.0.9

步驟四：分發報警規則到關聯集群中

報警規則實際也是一種Kubernetes資源。報警規則分發的原理和應用分發的原理一樣，都是通過開源Kubevela，將Fleet實例上的Kubernetes資源分發到關聯集群中。分發報警規則步驟如下：

使用以下模板創建分發規則ackalertrule-app.yaml。

方式一：將報警規則分發到打標production=true的關聯集群中。

執行以下命令，為關聯集群打標。

kubectl get managedclusters    #獲取關聯集群clusterid。
kubectl label managedclusters <clusterid> production=true

將報警規則分發到打標production=true的關聯集群中。

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: alertrules
  namespace: kube-system
  annotations:
    app.oam.dev/publishVersion: version1
spec:
  components:
    - name: alertrules
      type: ref-objects
      properties:
        objects:
          - resource: ackalertrules
            name: default
  policies:
    - type: topology
      name: prod-clusters
      properties:
        clusterSelector:
          production: "true"  #通過標簽選擇集群。

方式二：可以直接輸入集群ID，將報警規則分發到指定的關聯集群。

替換以下<clusterid>為您需要下發的關聯集群的ID。

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: alertrules
  namespace: kube-system
  annotations:
    app.oam.dev/publishVersion: version1
spec:
  components:
    - name: alertrules
      type: ref-objects
      properties:
        objects:
          - resource: ackalertrules
            name: default
  policies:
    - type: topology
      name: prod-clusters
      properties:
        clusters: ["<clusterid1>", "<clusterid2>"]  #通過clusterid選擇集群。

執行以下命令，創建分發規則。
```
kubectl apply -f ackalertrule-app.yaml
```

執行以下命令，查看分發執行狀態。

kubectl amc appstatus alertrules -n kube-system --tree --detail

預期輸出：

CLUSTER                  NAMESPACE       RESOURCE             STATUS    APPLY_TIME          DETAIL
c565e4**** (cluster1)─── kube-system─── AckAlertRule/default updated   2022-**-** **:**:** Age: **
cbaa12**** (cluster2)─── kube-system─── AckAlertRule/default updated   2022-**-** **:**:** Age: **

修改報警規則

您可以通過以下步驟修改報警規則。

修改報警規則模板ackalertrule.yaml，并執行命令kubectl apply -f ackalertrule.yaml創建報警規則。
修改分發模板ackalertrule-app.yaml，更新annotations: app.oam.dev/publishVersion，并執行kubectl apply -f ackalertrule-app.yaml分發報警規則。

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