Add sidecar prometheus metrics option

charts/node/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: node
 description: A Helm chart to deploy Substrate/Polkadot nodes
 type: application
-version: 5.1.7
+version: 5.2.1
 maintainers:
   - name: Parity
     url: https://github.com/paritytech/helm-charts

charts/node/README.md

@@ -18,7 +18,7 @@ This is intended behaviour. Make sure to run `git add -A` once again to stage ch
 
 # Substrate/Polkadot node helm chart
 
-![Version: 5.1.7](https://img.shields.io/badge/Version-5.1.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 5.2.1](https://img.shields.io/badge/Version-5.2.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 ## Maintainers
 
@@ -465,7 +465,8 @@ If you're running a collator node:
 | serviceAccount.create | bool | `true` | Enable creation of a Service Account for the main container |
 | serviceAccount.createRoleBinding | bool | `true` | Creates RoleBinding |
 | serviceAccount.name | string | `""` | The name of the service account to use. If not set and create is true, a name is generated using the fullname template |
-| substrateApiSidecar | object | `{"env":{},"image":{"repository":"parity/substrate-api-sidecar","tag":"latest"},"resources":{}}` | Configuration of Substrate API ref: https://github.com/paritytech/substrate-api-sidecar |
+| substrateApiSidecar | object | `{"args":["node","build/src/main.js"],"env":{},"image":{"repository":"parity/substrate-api-sidecar","tag":"latest"},"metrics":{"enabled":false,"port":9100},"resources":{}}` | Configuration of Substrate API ref: https://github.com/paritytech/substrate-api-sidecar |
+| substrateApiSidecar.args | list | `["node","build/src/main.js"]` | Arguments to set on the API sidecar |
 | substrateApiSidecar.env | object | `{}` | Environment variables to set on the API sidecar |
 | substrateApiSidecar.image.repository | string | `"parity/substrate-api-sidecar"` | Image repository |
 | substrateApiSidecar.image.tag | string | `"latest"` | Image tag |

charts/node/ci/kind-values.yaml

@@ -1,22 +1,28 @@
 node:
   chain: dev
   role: invalid
-  dataVolumeSize: 1G
   flags:
   - "--force-authoring"
   - "--alice"
   chainData:
     storageClass: standard
+    volumeSize: 1Gi
   chainKeystore:
     storageClass: standard
   podManagementPolicy: Parallel
   persistentVolumeClaimRetentionPolicy:
     whenDeleted: Delete
     whenScaled: Delete
+  substrateApiSidecar:
+    enabled: true
 image:
   tag: v0.9.43
 autoscaling:
   enabled: true
   targetCPU: 80
   targetMemory: 80
   maxReplicas: 2
+
+substrateApiSidecar:
+  metrics:
+    enabled: true

charts/node/templates/serviceMonitor.yaml

@@ -53,6 +53,25 @@ spec:
         {{- toYaml . | nindent 8 }}
     {{- end }}
   {{- end }}
+  {{- if .Values.substrateApiSidecar.metrics.enabled }}
+    - port: prom-sidecar
+      path: /metrics
+    {{- if $.Values.node.serviceMonitor.interval }}
+      interval: {{ $.Values.node.serviceMonitor.interval }}
+    {{- end }}
+    {{- if $.Values.node.serviceMonitor.scrapeTimeout }}
+      scrapeTimeout: {{ $.Values.node.serviceMonitor.scrapeTimeout }}
+      honorLabels: true
+    {{- end }}
+    {{- with .Values.node.serviceMonitor.relabelings }}
+      relabelings:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.node.serviceMonitor.metricRelabelings }}
+      metricRelabelings:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+   {{- end }}
   namespaceSelector:
     matchNames:
       - {{ $.Release.Namespace }}

charts/node/templates/statefulset.yaml

@@ -733,12 +733,25 @@ spec:
             - name: {{ $key }}
               value: {{ $val | squote }}
             {{- end }}
+          args:
+          {{- range .Values.substrateApiSidecar.args }}
+            - "{{ . }}"
+          {{- end }}
+          {{- if .Values.substrateApiSidecar.metrics.enabled }}
+            - "--prometheus"
+            - "--prometheus-port={{ .Values.substrateApiSidecar.metrics.port }}"
+          {{- end }}
           resources:
           {{- toYaml .Values.substrateApiSidecar.resources | nindent 12 }}
           ports:
             - containerPort: 8080
               name: api-sidecar
               protocol: TCP
+            {{- if .Values.substrateApiSidecar.metrics.enabled }}
+            - containerPort: {{ .Values.substrateApiSidecar.metrics.port }}
+              name: prom-sidecar
+              protocol: TCP
+            {{- end }}
         {{- end }}
         {{- if .Values.node.tracing.enabled }}
         - name: jaeger-agent-sidecar

charts/node/values.yaml

@@ -598,6 +598,13 @@ substrateApiSidecar:
     repository: parity/substrate-api-sidecar
     # -- Image tag
     tag: latest
+  metrics:
+    enabled: false
+    port: 9100
+  # -- Arguments to set on the API sidecar
+  args:
+    - "node"
+    - "build/src/main.js"
   # -- Environment variables to set on the API sidecar
   env: {}
   # -- Resource limits & requests