From 45ec0da4d7d61a6a8697cddb5d97745e46b1f03c Mon Sep 17 00:00:00 2001
From: nakabonne <ryo@nakao.dev>
Date: Wed, 30 Jun 2021 13:17:42 +0900
Subject: [PATCH] Enable Node exporter and Kube state metrics

---
 manifests/pipecd/values.yaml | 73 +++++++++++++++++++++++++++++++++++-
 1 file changed, 71 insertions(+), 2 deletions(-)

diff --git a/manifests/pipecd/values.yaml b/manifests/pipecd/values.yaml
index cf84b2f644..8f6b74c590 100644
--- a/manifests/pipecd/values.yaml
+++ b/manifests/pipecd/values.yaml
@@ -124,9 +124,12 @@ prometheus:
   pushgateway:
     enabled: false
   nodeExporter:
-    enabled: false
+    enabled: true
+    service:
+      hostPort: 9100
+      servicePort: 9100
   kubeStateMetrics:
-    enabled: false
+    enabled: true
   configmapReload:
     prometheus:
       enabled: true
@@ -264,6 +267,72 @@ prometheus:
               target_label: __metrics_path__
               replacement: /api/v1/nodes/$1/proxy/metrics/cadvisor
 
+        # Scrape config for services that has "prometheus.io/scrape: true"
+        - job_name: kubernetes-service-endpoints
+          kubernetes_sd_configs:
+            - role: endpoints
+          relabel_configs:
+            - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
+              action: keep
+              regex: true
+            - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
+              action: replace
+              target_label: __scheme__
+              regex: (https?)
+            - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
+              action: replace
+              target_label: __metrics_path__
+              regex: (.+)
+            - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
+              action: replace
+              target_label: __address__
+              regex: ([^:]+)(?::\d+)?;(\d+)
+              replacement: $1:$2
+            - action: labelmap
+              regex: __meta_kubernetes_service_label_(.+)
+            - source_labels: [__meta_kubernetes_namespace]
+              action: replace
+              target_label: kubernetes_namespace
+            - source_labels: [__meta_kubernetes_service_name]
+              action: replace
+              target_label: kubernetes_name
+            - source_labels: [__meta_kubernetes_pod_node_name]
+              action: replace
+              target_label: kubernetes_node
+
+        # Scrape config for pods that has "prometheus.io/scrape: true"
+        - job_name: kubernetes-pods
+          kubernetes_sd_configs:
+            - role: pod
+          relabel_configs:
+            - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
+              action: keep
+              regex: true
+            - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scheme]
+              action: replace
+              regex: (https?)
+              target_label: __scheme__
+            - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
+              action: replace
+              target_label: __metrics_path__
+              regex: (.+)
+            - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+              action: replace
+              regex: ([^:]+)(?::\d+)?;(\d+)
+              replacement: $1:$2
+              target_label: __address__
+            - action: labelmap
+              regex: __meta_kubernetes_pod_label_(.+)
+            - source_labels: [__meta_kubernetes_namespace]
+              action: replace
+              target_label: kubernetes_namespace
+            - source_labels: [__meta_kubernetes_pod_name]
+              action: replace
+              target_label: kubernetes_pod_name
+            - source_labels: [__meta_kubernetes_pod_phase]
+              regex: Pending|Succeeded|Failed
+              action: drop
+
 # All directives inside this section will be directly sent to the grafana chart.
 # Head to the below link to see all available values.
 # https://github.com/grafana/helm-charts/tree/main/charts/grafana