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webvirtcloud/conf/runit/10_webvirtcloud_init.sh
catborise 777057cb19 feat(appsettings): the panel backs itself up every day
The only backups of the panel were the ones taken by hand before an
update. Now `manage.py backup` writes a new directory under backups/
with a consistent copy of the sqlite database (the backup API, while
the panel runs, checked with PRAGMA integrity_check), the secret key,
the worker's node_id, settings.py, the SSH keys of the panel's user
and, outside Docker, the commit. It keeps the newest 7 (--keep N) and
deletes older ones only after a good backup; a failed one leaves
nothing, and a second run while one runs fails. Files are mode 600,
directories 700: the database holds compute passwords and keys. With
PostgreSQL the database is left out.

It runs daily at 03:15: in Docker from the image's cron into a new
volume, webvirtcloud-backups; otherwise from webvirt-backup.timer,
which the installer and the manual steps install. A backup has the
layout of the update backups, so the restore steps take either.
2026-11-03 09:40:47 +03:00

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#!/bin/bash
set -e
APP_DIR="/srv/webvirtcloud"
DATA_DIR="$APP_DIR/data"
mkdir -p "$DATA_DIR" "/var/www/.ssh" "$APP_DIR/backups"
# If settings.py doesn't exist, generate from template
if [ ! -f "$APP_DIR/webvirtcloud/settings.py" ]; then
echo "* Generating webvirtcloud/settings.py from template..."
cp "$APP_DIR/webvirtcloud/settings.py.template" "$APP_DIR/webvirtcloud/settings.py"
fi
# Ensure SECRET_KEY is persisted across container restarts if not supplied via environment
if [ -z "$SECRET_KEY" ]; then
if [ ! -s "$DATA_DIR/secret_key" ]; then
echo "* Generating fresh random SECRET_KEY..."
"$APP_DIR/venv/bin/python3" -c 'import secrets; print(secrets.token_urlsafe(50))' > "$DATA_DIR/secret_key"
chmod 600 "$DATA_DIR/secret_key"
fi
fi
# Persist SQLite database in DATA_DIR
if [ ! -f "$DATA_DIR/db.sqlite3" ] && [ -f "$APP_DIR/db.sqlite3" ] && [ ! -L "$APP_DIR/db.sqlite3" ]; then
mv "$APP_DIR/db.sqlite3" "$DATA_DIR/db.sqlite3"
fi
touch "$DATA_DIR/db.sqlite3"
ln -sf "$DATA_DIR/db.sqlite3" "$APP_DIR/db.sqlite3"
# Run database migrations
echo "* Running database migrations..."
"$APP_DIR/venv/bin/python3" "$APP_DIR/manage.py" migrate --noinput
# Set proper permissions on runtime and data directories
chown -R www-data:www-data "$DATA_DIR" "/var/www/.ssh" "$APP_DIR/backups"
chown www-data:www-data "$APP_DIR/webvirtcloud/settings.py" 2>/dev/null || true
chmod 700 "/var/www/.ssh" 2>/dev/null || true
# The database holds compute passwords and password hashes; keep it, the
# secret key and settings private to the app user (as the installer does)
chmod 700 "$DATA_DIR" "$APP_DIR/backups"
chmod 600 "$DATA_DIR/db.sqlite3" "$APP_DIR/webvirtcloud/settings.py"
for f in "$DATA_DIR/db.sqlite3-wal" "$DATA_DIR/db.sqlite3-shm"; do
if [ -e "$f" ]; then chown www-data:www-data "$f"; chmod 600 "$f"; fi
done