chore(storage): add prometheus metrics

Author: duanhongyi

Dockerfile

@@ -47,7 +47,8 @@ COPY --chown=${DRYCC_UID}:${DRYCC_GID} rootfs/bin/ /bin/
 COPY --chown=${DRYCC_UID}:${DRYCC_GID} rootfs/opt/drycc/nginx /opt/drycc/nginx
 COPY --chown=${DRYCC_UID}:${DRYCC_GID} rootfs/config-example.yml /opt/drycc/registry/etc/config.yml
 
-ENV DRYCC_REGISTRY_CONFIG /opt/drycc/registry/etc/config.yml
+ENV OTEL_TRACES_EXPORTER=none \
+  DRYCC_REGISTRY_CONFIG=/opt/drycc/registry/etc/config.yml
 
 USER ${DRYCC_UID}
 VOLUME ["${DRYCC_HOME_DIR}"]

charts/registry/templates/_helper.tpl

@@ -4,6 +4,11 @@ env:
   value: "true"
 - name: REGISTRY_LOG_LEVEL
   value: info
+- name: "REGISTRY_HTTP_SECRET"
+  valueFrom:
+    secretKeyRef:
+      name: registry-secret
+      key: secret
 - name: "DRYCC_REGISTRY_REDIRECT"
   valueFrom:
     secretKeyRef:

charts/registry/templates/registry-secret.yaml

@@ -6,6 +6,7 @@ metadata:
     heritage: drycc
 type: Opaque
 data:
+  secret: {{ include "common.secrets.lookup" (dict "secret" "registry-secret" "key" "secret" "defaultValue" (randAlphaNum 32) "context" $) }}
   username: {{ include "common.secrets.lookup" (dict "secret" "registry-secret" "key" "username" "defaultValue" (.Values.username | default (randAlphaNum 32)) "context" $) }}
   password: {{ include "common.secrets.lookup" (dict "secret" "registry-secret" "key" "password" "defaultValue" (.Values.password | default (randAlphaNum 32)) "context" $) }}
   redirect: {{ .Values.redirect | b64enc }}

charts/registry/templates/registry-service.yaml

@@ -3,6 +3,9 @@ kind: Service
 metadata:
   name: drycc-registry
   annotations:
+    prometheus.io/path: /metrics
+    prometheus.io/port: "9000"
+    prometheus.io/scrape: "true"
     {{- with .Values.service.annotations }}
     {{- toYaml . | nindent 4 }}
     {{- end }}

rootfs/config-example.yml

@@ -9,6 +9,11 @@ storage:
     rootdirectory: /var/lib/registry
 http:
   addr: :5000
+  debug:
+    addr: :9000
+    prometheus:
+      enabled: true
+      path: /metrics
   headers:
     X-Content-Type-Options: [nosniff]
 health: