Next

Dockerfile

@@ -1,14 +1,16 @@
 FROM nginx:alpine
 
-RUN apk add python3 py3-pip supervisor
-RUN pip3 install --break-system-packages google-cloud-run
+RUN apk add curl jq bash supervisor
 
 COPY nginx.conf /etc/nginx/nginx.conf
 
-COPY supervisord.conf /etc/supervisord.conf
+COPY supervisor/supervisord.conf /etc/supervisord.conf
 RUN mkdir -p /var/log/supervisor
+RUN mkdir -p /etc/supervisor/conf.d
 
-COPY cleanup_watcher.py /usr/local/bin/cleanup_watcher.py
-RUN chmod +x /usr/local/bin/cleanup_watcher.py
+COPY supervisor/conf.d /etc/supervisor/conf.d
+
+COPY cleanup.bash /usr/local/bin/cleanup.bash
+RUN chmod +x /usr/local/bin/cleanup.bash
 
 CMD ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]

cleanup.bash

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+set -uo pipefail
+
+PARENT="${PARENT:?PARENT env var required}"
+SERVICE_NAME="${K_SERVICE:?K_SERVICE env var required}"
+
+# =============================================
+# Cleanup / Crash Handler
+# =============================================
+cleanup() {
+    EXIT_CODE=$?
+    if [ $EXIT_CODE -ne 0 ]; then
+        echo "=================================================================="
+        echo "❌ SCRIPT CRASHED with exit code ${EXIT_CODE}"
+        echo "   This usually means something went wrong during health checking"
+        echo "   or during the delete operation."
+        echo "=================================================================="
+    else
+        echo "Script finished normally."
+    fi
+}
+
+# Catch errors, interrupts, and normal exit
+trap cleanup EXIT
+trap 'echo "❌ Script interrupted (SIGINT)"; exit 1' INT
+trap 'echo "❌ Script terminated (SIGTERM)"; exit 1' TERM
+
+delete_service() {
+    echo "Flask appears down → Deleting service ${PARENT}/services/${SERVICE_NAME}"
+
+    # Get an OAuth2 access token from the GCE/Cloud Run metadata server
+    local token
+    token=$(curl -s -H "Metadata-Flavor: Google" \
+        "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token" \
+        | jq -r .access_token)
+
+    if [ -z "$token" ]; then
+        echo "Delete failed: could not obtain access token"
+        return 1
+    fi
+
+    local http_code
+    http_code=$(curl -s -o /tmp/delete_response.json -w "%{http_code}" \
+        -X DELETE \
+        -H "Authorization: Bearer ${token}" \
+        "https://run.googleapis.com/v2/${PARENT}/services/${SERVICE_NAME}")
+
+    if [[ "$http_code" == 2* ]]; then
+        echo "Service deletion request accepted (HTTP ${http_code})"
+    else
+        echo "Delete failed (HTTP ${http_code}): $(cat /tmp/delete_response.json)"
+    fi
+}
+
+while true; do
+    sleep 30
+    response=$(curl -s -o /dev/null -w "%{http_code}" --max-time 5 "http://127.0.0.1/geode/health")
+    echo "response ${response}"
+
+    if [ "$response" != "200" ]; then
+        delete_service
+        break
+    fi
+done
+
+echo "Health check loop ended."

supervisor/conf.d/cleanup.conf

@@ -0,0 +1,8 @@
+[program:cleanup]
+command=bash /usr/local/bin/cleanup.bash
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0

supervisor/conf.d/nginx.conf

@@ -0,0 +1,8 @@
+[program:nginx]
+command=nginx -g 'daemon off;'
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0

supervisor/supervisord.conf

@@ -0,0 +1,8 @@
+[supervisord]
+nodaemon=true
+logfile=/dev/stdout
+logfile_maxbytes=0
+pidfile=/var/run/supervisord.pid
+
+[include]
+files = /etc/supervisor/conf.d/*.conf