fix(helm,podmonitor): add podMonitorSelector for gateway metrics configuration (alibaba#3022)

Author: lwpk110

helm/core/templates/podmonitor.yaml

@@ -5,6 +5,9 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "gateway.labels" . | nindent 4}}
+    {{- with .Values.gateway.metrics.podMonitorSelector }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
   annotations:
     {{- .Values.gateway.annotations | toYaml | nindent 4 }}
 spec:

helm/core/values.yaml

@@ -530,6 +530,11 @@ gateway:
   metrics:
     # -- If true, create PodMonitor or VMPodScrape for gateway
     enabled: false
+    # -- Selector for PodMonitor
+    # When using monitoring.coreos.com/v1.PodMonitor, the selector must match
+    # the label "release: kube-prome" is the default for kube-prometheus-stack
+    podMonitorSelector:
+      release: kube-prome
     # -- provider group name for CustomResourceDefinition, can be monitoring.coreos.com or operator.victoriametrics.com
     provider: monitoring.coreos.com
     interval: ""

helm/higress/README.md

@@ -104,6 +104,7 @@ The command removes all the Kubernetes components associated with the chart and
 | gateway.metrics.interval | string | `""` |  |
 | gateway.metrics.metricRelabelConfigs | list | `[]` | for operator.victoriametrics.com/v1beta1.VMPodScrape |
 | gateway.metrics.metricRelabelings | list | `[]` | for monitoring.coreos.com/v1.PodMonitor |
+| gateway.metrics.podMonitorSelector | object | `{"release":"kube-prome"}` | Selector for PodMonitor When using monitoring.coreos.com/v1.PodMonitor, the selector must match the label "release: kube-prome" is the default for kube-prometheus-stack |
 | gateway.metrics.provider | string | `"monitoring.coreos.com"` | provider group name for CustomResourceDefinition, can be monitoring.coreos.com or operator.victoriametrics.com |
 | gateway.metrics.rawSpec | object | `{}` | some more raw podMetricsEndpoints spec |
 | gateway.metrics.relabelConfigs | list | `[]` |  |

helm/higress/README.zh.md

@@ -112,6 +112,7 @@ helm delete higress -n higress-system
 | gateway.metrics.rawSpec | object | `{}` | 额外的度量规范 |
 | gateway.metrics.relabelConfigs | list | `[]` | 重新标签配置 |
 | gateway.metrics.relabelings | list | `[]` | 重新标签项 |
+| gateway.metrics.podMonitorSelector | object | `{"release":"kube-prometheus-stack"}` | PodMonitor 选择器，当使用 prometheus stack 的podmonitor自动发现时，选择器必须匹配标签 "release: kube-prome"，这是 kube-prometheus-stack 的默认设置 |
 | gateway.metrics.scrapeTimeout | string | `""` | 抓取的超时时间 |
 | gateway.name | string | `"higress-gateway"` | 网关名称 |
 | gateway.networkGateway | string | `""` | 网络网关指定 |