feat: add redis metrics support

Dockerfile

@@ -1,8 +1,15 @@
 # Define base image version
 ARG VALKEY_VERSION=8-alpine
 ARG METRICS_EXPORTER_VERSION=develop
+ARG METRICS_REGISTRAR_VERSION=develop
 
 FROM ghcr.io/lumeweb/akash-metrics-exporter:${METRICS_EXPORTER_VERSION} AS metrics-exporter
+FROM ghcr.io/lumeweb/akash-metrics-registrar:${METRICS_REGISTRAR_VERSION} AS metrics-registrar
+
+# Build redis_exporter
+FROM golang:1.21-alpine AS redis-exporter
+RUN CGO_ENABLED=0 go install github.com/oliver006/redis_exporter@latest
+
 # Extend from valgrind
 FROM valkey/valkey:${VALKEY_VERSION}
 
@@ -26,21 +33,15 @@ RUN wget https://dl.min.io/client/mc/release/linux-amd64/mc \
 RUN wget https://github.com/aptible/supercronic/releases/download/v${SUPERCRONIC_VERSION}/supercronic-linux-amd64 -O /usr/local/bin/supercronic \
     && chmod +x /usr/local/bin/supercronic
 
-# Environment variables for S3 backup configuration
-ENV ENABLE_BACKUP=false
-ENV S3_ENDPOINT=""
-ENV S3_ACCESS_KEY=""
-ENV S3_SECRET_KEY=""
-ENV S3_BUCKET=""
-ENV BACKUP_RETENTION_DAYS=7
-ENV BACKUP_PREFIX="valkey-backup"
-ENV BACKUP_SCHEDULE="0 0 * * *"
+# Copy binaries from build stages
+COPY --from=metrics-exporter /usr/bin/metrics-exporter /usr/local/bin/akash-metrics-exporter
+COPY --from=redis-exporter /go/bin/redis_exporter /usr/local/bin/
+COPY --from=metrics-registrar /usr/bin/metrics-registrar /usr/local/bin/akash-metrics-registrar
 
 # Copy our scripts
 COPY backup.sh /usr/local/bin/
 COPY entrypoint.sh /entrypoint.sh
-COPY --from=metrics-exporter /usr/bin/metrics-exporter /usr/bin/akash-metrics-exporter
 
 ENTRYPOINT ["/entrypoint.sh"]
-EXPOSE 6379
-CMD ["valkey-server"]
+
+CMD ["valkey-server"]

entrypoint.sh

@@ -75,7 +75,48 @@ if [ "$BACKUP_ENABLED" = "true" ]; then
     supercronic /etc/crontab &
 fi
 
-akash-metrics-exporter &
+# Start metrics components if METRICS_PASSWORD is set
+if [ -n "$METRICS_PASSWORD" ]; then
+    # Start redis_exporter with authentication
+    redis_exporter --redis.addr="redis://127.0.0.1:${VALKEY_PORT}" \
+                  --redis.password="$METRICS_PASSWORD" \
+                  --web.listen-address=":9121" &
+
+    # Detect environment type from deployment name
+    env_type="prod"
+    case "${AKASH_DEPLOYMENT_SEQUENCE}" in
+        *dev*) env_type="dev" ;;
+        *stage* | *staging*) env_type="stage" ;;
+        *test*) env_type="test" ;;
+    esac
+
+    # Process service name to inject metrics before environment suffix
+    service_name="${METRICS_SERVICE_NAME:-valkey}"
+    case "$service_name" in
+        *-prod)
+            metrics_service_name="$(echo "$service_name" | sed 's/-prod$/-metrics-prod/')" ;;
+        *-dev)
+            metrics_service_name="$(echo "$service_name" | sed 's/-dev$/-metrics-dev/')" ;;
+        *-stage)
+            metrics_service_name="$(echo "$service_name" | sed 's/-stage$/-metrics-stage/')" ;;
+        *-test)
+            metrics_service_name="$(echo "$service_name" | sed 's/-test$/-metrics-test/')" ;;
+        *)
+            metrics_service_name="${service_name}-metrics-${env_type}" ;;
+    esac
+
+    # Start Akash metrics registrar
+    akash-metrics-registrar \
+        --target-host="localhost" \
+        --target-port=9121 \
+        --target-path="/metrics" \
+        --proxy-port=9090 \
+        --service-name="${metrics_service_name}" \
+        --metrics-password="${METRICS_PASSWORD}" &
+
+    # Start metrics-exporter
+    akash-metrics-exporter &
+fi
 
 # Delegate to the original entrypoint script with our generated config
 exec /usr/local/bin/docker-entrypoint.sh valkey-server "$CONFIG_FILE"