Refactor: Healthchecks (#9188)

* Refactor: Healthchecks

* Enhance healthchecks update process with backup and venv

Added backup creation for existing healthchecks installation before updating. Enhanced the update process by recreating the Python virtual environment and installing requirements.

* -

Added copyright, author, and license information.

Author: MickLesk

ct/healthchecks.sh

@@ -28,26 +28,42 @@ function update_script() {
     msg_error "No ${APP} Installation Found!"
     exit
   fi
+
   if check_for_gh_release "healthchecks" "healthchecks/healthchecks"; then
     msg_info "Stopping Services"
     systemctl stop healthchecks
     msg_ok "Stopped Services"
 
-    PYTHON_VERSION="3.13" setup_uv
+    msg_info "Backing up existing installation"
+    BACKUP="/opt/healthchecks-backup-$(date +%F-%H%M)"
+    cp -a /opt/healthchecks "$BACKUP"
+    msg_ok "Backup created at $BACKUP"
+
     fetch_and_deploy_gh_release "healthchecks" "healthchecks/healthchecks"
 
-    msg_info "Updating healthchecks"
     cd /opt/healthchecks
-    mkdir -p /opt/healthchecks/static-collected/
-    $STD uv pip install wheel gunicorn -r requirements.txt --system
-    $STD uv run -- python manage.py makemigrations
-    $STD uv run -- python manage.py migrate --noinput
-    $STD uv run -- python manage.py collectstatic --noinput
-    $STD uv run -- python manage.py compress
-    msg_ok "Updated healthchecks"
+    if [[ -d venv ]]; then
+      rm -rf venv
+    fi
+    msg_info "Recreating Python venv"
+    $STD python3 -m venv venv
+    $STD source venv/bin/activate
+    $STD pip install --upgrade pip wheel
+    msg_ok "Created venv"
+
+    msg_info "Installing requirements"
+    $STD pip install gunicorn -r requirements.txt
+    msg_ok "Installed requirements"
+
+    msg_info "Running Django migrations"
+    $STD python manage.py migrate --noinput
+    $STD python manage.py collectstatic --noinput
+    $STD python manage.py compress
+    msg_ok "Completed Django migrations and static build"
+
     msg_info "Starting Services"
     systemctl start healthchecks
-    systemctl restart caddy
+    systemctl reload caddy
     msg_ok "Started Services"
     msg_ok "Updated successfully!"
   fi

install/healthchecks-install.sh

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-
 # Copyright (c) 2021-2025 community-scripts ORG
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
@@ -16,43 +15,44 @@ update_os
 msg_info "Installing Dependencies"
 $STD apt install -y \
   gcc \
+  python3 \
+  python3-dev \
+  python3-venv \
   libpq-dev \
   libcurl4-openssl-dev \
   libssl-dev \
   caddy
+
+mkdir -p ~/.config/pip
+cat > ~/.config/pip/pip.conf << EOF
+[global]
+break-system-packages = true
+EOF
 msg_ok "Installed Dependencies"
 
-PYTHON_VERSION="3.13" setup_uv
 PG_VERSION=16 setup_postgresql
+PG_DB_NAME="healthchecks_db" PG_DB_USER="hc_user" PG_DB_PASS=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13) setup_postgresql_db
 
-msg_info "Setup Database"
-DB_NAME=healthchecks_db
-DB_USER=hc_user
-DB_PASS=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13)
+msg_info "Setup Keys (Admin / Secret)"
 SECRET_KEY="$(openssl rand -base64 32 | tr -dc 'a-zA-Z0-9' | cut -c1-32)"
 ADMIN_EMAIL="[email protected]"
 ADMIN_PASSWORD="$DB_PASS"
-$STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
-$STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
-$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"
-$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET default_transaction_isolation TO 'read committed';"
-$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET timezone TO 'UTC'"
 {
-  echo "healthchecks-Credentials"
-  echo "healthchecks Database User: $DB_USER"
-  echo "healthchecks Database Password: $DB_PASS"
-  echo "healthchecks Database Name: $DB_NAME"
   echo "healthchecks Admin Email: $ADMIN_EMAIL"
   echo "healthchecks Admin Password: $ADMIN_PASSWORD"
 } >>~/healthchecks.creds
-msg_ok "Set up Database"
+msg_ok "Set up Keys"
 
 fetch_and_deploy_gh_release "healthchecks" "healthchecks/healthchecks"
 
-msg_info "Setup healthchecks"
+msg_info "Installing Healthchecks (venv)"
 cd /opt/healthchecks
-mkdir -p /opt/healthchecks/static-collected/
-$STD uv pip install wheel gunicorn -r requirements.txt --system
+python3 -m venv venv
+source venv/bin/activate
+
+$STD pip install --upgrade pip wheel
+$STD pip install gunicorn -r requirements.txt
+msg_ok "Installed Python packages"
 
 LOCAL_IP=$(hostname -I | awk '{print $1}')
 cat <<EOF >/opt/healthchecks/hc/local_settings.py
@@ -83,18 +83,19 @@ DATABASES = {
 }
 EOF
 
-$STD uv run -- python manage.py makemigrations
-$STD uv run -- python manage.py migrate --noinput
-$STD uv run -- python manage.py collectstatic --noinput
-$STD uv run -- python manage.py compress
+msg_info "Running Django setup"
+$STD python manage.py makemigrations
+$STD python manage.py migrate --noinput
+$STD python manage.py collectstatic --noinput
+$STD python manage.py compress
 
-cat <<EOF | $STD uv run -- python manage.py shell
+python <<EOF
 from django.contrib.auth import get_user_model
 User = get_user_model()
 if not User.objects.filter(email="${ADMIN_EMAIL}").exists():
     User.objects.create_superuser("${ADMIN_EMAIL}", "${ADMIN_EMAIL}", "${ADMIN_PASSWORD}")
 EOF
-msg_ok "Installed healthchecks"
+msg_ok "Configured Django"
 
 msg_info "Configuring Caddy"
 cat <<EOF >/etc/caddy/Caddyfile
@@ -108,20 +109,21 @@ ${LOCAL_IP} {
 EOF
 msg_ok "Configured Caddy"
 
-msg_info "Creating Service"
+msg_info "Creating systemd service"
 cat <<EOF >/etc/systemd/system/healthchecks.service
 [Unit]
 Description=Healthchecks Service
 After=network.target postgresql.service
 
 [Service]
 WorkingDirectory=/opt/healthchecks/
-ExecStart=/usr/local/bin/uv run -- gunicorn hc.wsgi:application --bind 127.0.0.1:8000
+ExecStart=/opt/healthchecks/venv/bin/gunicorn hc.wsgi:application --bind 127.0.0.1:8000
 Restart=always
 
 [Install]
 WantedBy=multi-user.target
 EOF
+
 systemctl enable -q --now healthchecks caddy
 systemctl reload caddy
 msg_ok "Created Service"