Add Prometheus support to ratelimiter

wso2 · Mar 1, 2024 · 55cd5ce · 55cd5ce
1 parent 8a995cd
commit 55cd5ce
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Showing 3 changed files with 40 additions and 1 deletion.
diff --git a/helm-charts/templates/data-plane/ratelimiter/ratelimiter-deployment.yaml b/helm-charts/templates/data-plane/ratelimiter/ratelimiter-deployment.yaml
@@ -35,6 +35,14 @@ spec:
       automountServiceAccountToken: false
       serviceAccountName: {{ .Values.wso2.apk.auth.serviceAccountName }}
       containers:
+        {{if and .Values.wso2.apk.metrics.enabled .Values.wso2.apk.metrics.statsd.enabled }}
+        - name: statsd
+          image: {{ .Values.wso2.apk.metrics.statsd.image.repository }}:{{ .Values.wso2.apk.metrics.statsd.image.tag }}
+          imagePullPolicy: {{ .Values.wso2.apk.metrics.statsd.imagePullPolicy }}
+          ports:
+            - name: statsd-metrics
+              containerPort: 9102
+        {{ end }}
         - name: ratelimiter
           image: {{ .Values.wso2.apk.dp.ratelimiter.deployment.image }}
           imagePullPolicy: {{ .Values.wso2.apk.dp.ratelimiter.deployment.imagePullPolicy }}
@@ -52,7 +60,13 @@ spec:
             - name: PORT
               value: "8090"
             - name: USE_STATSD
-              value: "false"
+              value: "{{ and .Values.wso2.apk.metrics.enabled .Values.wso2.apk.metrics.statsd.enabled }}"
+            {{if and .Values.wso2.apk.metrics.enabled .Values.wso2.apk.metrics.statsd.enabled }}
+            - name: STATSD_HOST
+              value: "0.0.0.0"
+            - name: STATSD_PORT
+              value: "9125"
+            {{- end}}
             - name: LOG_LEVEL
               value: "DEBUG"
             - name: LIMIT_RESPONSE_HEADERS_ENABLED

diff --git a/helm-charts/values.yaml b/helm-charts/values.yaml
@@ -246,6 +246,18 @@ wso2:
       enabled: false
       # configDSBalHost: 0.0.0.0
       # idpDSBalHost: 0.0.0.0
+      # statsd:
+      #   enabled: true
+      #   image:
+      #     repository: prom/statsd-exporter
+      #     tag: v0.26.0
+      #   imagePullPolicy: IfNotPresent
+      #   resources:
+      #     limits:
+      #       memory: 128Mi
+      #     requests:
+      #       cpu: 0.1
+      #       memory: 64Mi
 
 idp:
   enabled: true

diff --git a/helm-charts/values.yaml.template b/helm-charts/values.yaml.template
@@ -594,6 +594,19 @@ wso2:
       # configDSBalHost: 0.0.0.0
       # -- Configure the host for exposing the idp ds ballerina metrics.
       # idpDSBalHost: 0.0.0.0
+      # -- Statsd is required to expose metrics from ratelimiter
+      # statsd:
+      #   enabled: true
+      #   image:
+      #     repository: prom/statsd-exporter
+      #     tag: v0.26.0
+      #   imagePullPolicy: IfNotPresent
+      #   resources:
+      #     limits:
+      #       memory: 128Mi
+      #     requests:
+      #       cpu: 0.1
+      #       memory: 64Mi
 
 idp:
   # -- Enable Non production identity server