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我Kubernetes版本是::Kuberntes /普羅米修斯 - 無法在服務文件註釋
# kubectl --version
Kubernetes v1.4.0
我打算用普羅米修斯監控我的庫貝集羣。爲此,我需要註解指標網址。
我目前的指標URL是這樣的:
http://172.16.33.7:8080/metrics
但我想它想:
http://172.16.33.7:8080/websocket/metrics
首先我試圖做這個手工::
kubectl annotate pods websocket-backend-controller-db83999c5b534b277b82badf6c152cb9m1 prometheus.io/path=/websocket/metrics
kubectl annotate pods websocket-backend-controller-db83999c5b534b277b82badf6c152cb9m1 prometheus.io/scrape='true'
kubectl annotate pods websocket-backend-controller-db83999c5b534b277b82badf6c152cb9m1 prometheus.io/port='8080'
所有這些命令工作得很好,我可以看到註釋。
{
"metadata": {
"name": "websocket-backend-controller-v1krf",
"generateName": "websocket-backend-controller-",
"namespace": "default",
"selfLink": "/api/v1/namespaces/default/pods/websocket-backend-controller-v1krf",
"uid": "e323994b-4081-11e7-8bd0-0050569b6f44",
"resourceVersion": "27534379",
"creationTimestamp": "2017-05-24T13:07:06Z",
"labels": {
"name": "websocket-backend"
},
"annotations": {
"kubernetes.io/created-by": "{\"kind\":\"SerializedReference\",\"apiVersion\":\"v1\",\"reference\":{\"kind\":\"ReplicationController\",\"namespace\":\"default\",\"name\":\"websocket-backend-controller\",\"uid\":\"e321f1a8-4081-11e7-8bd0-0050569b6f44\",\"apiVersion\":\"v1\",\"resourceVersion\":\"27531840\"}}\n",
"prometheus.io/path": "/websocket/metrics",
"prometheus.io/port": "8080",
"prometheus.io/scrape": "true"
}
但由於我希望這些配置保持不變,所以我將它們配置在我的服務文件中。
# cat websocket-service.yaml
apiVersion: v1
kind: Service
metadata:
name: websocket-service
labels:
baseApi: websocket
annotations:
prometheus.io/scrape: 'true'
prometheus.io/path: /websocket/metrics
prometheus.io/port: '8080'
spec:
selector:
name: websocket-backend
ports:
- port: 8080
targetPort: 8080
nodePort: 30800
protocol: TCP
type: NodePort
clusterIP: 10.100.10.45
我重新啓動了我的websocket服務和相應的pod,但是這些配置似乎沒有生效。
kubectl create -f websocket-service.yaml
kubectl create -f ../controllers/websocket-replication-controller.yaml
結果不顯示配置的註釋。
{
"metadata": {
"name": "websocket-backend-controller-v1krf",
"generateName": "websocket-backend-controller-",
"namespace": "default",
"selfLink": "/api/v1/namespaces/default/pods/websocket-backend-controller-v1krf",
"uid": "e323994b-4081-11e7-8bd0-0050569b6f44",
"resourceVersion": "27531879",
"creationTimestamp": "2017-05-24T13:07:06Z",
"labels": {
"name": "websocket-backend"
},
"annotations": {
"kubernetes.io/created-by": "{\"kind\":\"SerializedReference\",\"apiVersion\":\"v1\",\"reference\":{\"kind\":\"ReplicationController\",\"namespace\":\"default\",\"name\":\"websocket-backend-controller\",\"uid\":\"e321f1a8-4081-11e7-8bd0-0050569b6f44\",\"apiVersion\":\"v1\",\"resourceVersion\":\"27531840\"}}\n"
}
的所有IM做的是,而不是使用命令行中,我使用的服務配置設置CONFIGS但它似乎並不奏效。