istio-指标度量_采集指标

1. 此任务说明如何配置 Istio 以自动收集网格中服务的遥测。 在此任务结束时，将为网格中的服务调用启用新的指标。在整个任务中，Bookinfo 将作为示例应用程序
2. 前提:
   安装 Istio 到您的集群并部署一个应用。该任务假定 Mixer 已经用默认配置（--configDefaultNamespace=istio-system）设置好了。如果您使用的不同的值，请更新本任务中的配置和命令以匹配该值。
3. 采集新的指标
   3.1 应用配置新指标的 YAML 文件，该指标将由 Istio 自动生成和采集

[root@master istio-1.6.3]# cat  samples/bookinfo/telemetry/metrics.yaml             
# Configuration for metric instances
apiVersion: config.istio.io/v1alpha2
kind: instance
metadata:
  name: doublerequestcount
  namespace: istio-system
spec:
  compiledTemplate: metric
  params:
    value: "2" # count each request twice
    dimensions:
      reporter: conditional((context.reporter.kind | "inbound") == "outbound", "client", "server")
      source: source.workload.name | "unknown"
      destination: destination.workload.name | "unknown"
      message: '"twice the fun!"'
    monitored_resource_type: '"UNSPECIFIED"'
---
# Configuration for a Prometheus handler
apiVersion: config.istio.io/v1alpha2
kind: handler
metadata:
  name: doublehandler
  namespace: istio-system
spec:
  compiledAdapter: prometheus
  params:
    metrics:
    - name: double_request_count # Prometheus metric name
      instance_name: doublerequestcount.instance.istio-system # Mixer instance name (fully-qualified)
      kind: COUNTER
      label_names:
      - reporter
      - source
      - destination
      - message
---
# Rule to send metric instances to a Prometheus handler
apiVersion: config.istio.io/v1alpha2
kind: rule
metadata:
  name: doubleprom
  namespace: istio-system
spec:
  actions:
  - handler: doublehandler
    instances: [ doublerequestcount ]
[root@master istio-1.6.3]#