154 lines
4.9 KiB
Bash
Executable file
154 lines
4.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Pull WordPress CT101 (pve-hetzner) → CT600 wp-mirror (pve-mu-3)
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# CT101 impact: read-only mysqldump (--single-transaction) + read-only tar. No restarts.
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# Logs: Host /var/log/wp-mirror-sync.log + CT600 /var/log/wp-mirror-sync.log → Loki (Promtail)
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set -euo pipefail
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export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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HETZNER_HOST="${HETZNER_HOST:-root@100.88.230.59}"
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HETZNER_CT="${HETZNER_CT:-101}"
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MIRROR_CT="${MIRROR_CT:-600}"
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STAGING="${STAGING:-/opt/wp-mirror-sync/staging}"
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LOG="${LOG:-/var/log/wp-mirror-sync.log}"
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LOG_CT="/var/log/wp-mirror-sync.log"
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LOCK_FILE="/var/run/wp-mirror-sync.lock"
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FAILOVER_FLAG="/opt/wp-mirror-sync/FAILOVER_ACTIVE"
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MIRROR_SITEURL="http://192.168.178.142"
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MYSQL_USER="wordpress"
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MYSQL_PASS="astral66"
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MYSQL_DB="wordpress"
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WP_VOL="/var/lib/docker/volumes/wordpress_wp_data/_data"
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MIRROR_RUNNING=0
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log() {
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local msg="[$(date '+%Y-%m-%d %H:%M:%S')] $*"
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echo "$msg" | tee -a "$LOG"
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if [[ "$MIRROR_RUNNING" == "1" ]]; then
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echo "$msg" | pct exec "$MIRROR_CT" -- tee -a "$LOG_CT" >/dev/null 2>&1 || true
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fi
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}
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ensure_mirror_ct() {
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if [[ "$(pct status "$MIRROR_CT" 2>/dev/null | awk '{print $2}')" != "running" ]]; then
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pct start "$MIRROR_CT"
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fi
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for _ in $(seq 1 30); do
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if pct exec "$MIRROR_CT" -- test -d /var/log 2>/dev/null; then
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MIRROR_RUNNING=1
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pct exec "$MIRROR_CT" -- touch "$LOG_CT" 2>/dev/null || true
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return 0
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fi
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sleep 2
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done
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return 1
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}
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ct101_http_ok() {
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local code
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code="$(ssh -o BatchMode=yes -o ConnectTimeout=15 "$HETZNER_HOST" \
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"pct exec ${HETZNER_CT} -- curl -sS -o /dev/null -w '%{http_code}' --max-time 15 http://127.0.0.1/" 2>/dev/null || echo 000)"
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[[ "$code" == "200" || "$code" == "301" ]]
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}
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tar_sync_files() {
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rm -rf "${STAGING}/wpfiles"
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mkdir -p "${STAGING}/wpfiles"
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ssh -o BatchMode=yes -o ConnectTimeout=30 "$HETZNER_HOST" \
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"ionice -c3 nice -n 19 pct exec ${HETZNER_CT} -- tar c -C ${WP_VOL} \
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--exclude=wp-content/cache \
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--exclude=wp-content/debug.log \
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--exclude=wp-content/upgrade \
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. 2>/dev/null" | tar x -C "${STAGING}/wpfiles"
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}
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exec 9>"$LOCK_FILE"
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if ! flock -n 9; then
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log "SKIP: another sync is running"
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exit 0
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fi
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if [[ -f "$FAILOVER_FLAG" ]]; then
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log "SKIP: ${FAILOVER_FLAG} present (manual failover)"
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exit 0
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fi
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if ! command -v pct >/dev/null 2>&1; then
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log "ABORT: must run on Proxmox host with pct (pve-mu-3)"
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exit 1
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fi
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mkdir -p "$STAGING" "$(dirname "$LOG")"
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log "Checking CT101 health..."
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if ! ct101_http_ok; then
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log "ABORT: CT101 does not respond on http://127.0.0.1/ (expected HTTP 200/301)"
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exit 1
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fi
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log "Starting CT600 (Promtail/Loki)..."
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if ! ensure_mirror_ct; then
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log "ABORT: CT600 did not become ready"
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exit 1
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fi
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log "START sync CT101 → CT600"
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DB_FILE="${STAGING}/wordpress.sql.gz"
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log "DB dump (single-transaction, read-only)..."
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if ! ssh -o BatchMode=yes -o ConnectTimeout=30 "$HETZNER_HOST" \
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"ionice -c3 nice -n 19 pct exec ${HETZNER_CT} -- docker exec wordpress-mysql mysqldump \
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-u${MYSQL_USER} -p${MYSQL_PASS} \
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--single-transaction --quick --skip-lock-tables \
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--add-drop-table ${MYSQL_DB} 2>/dev/null" | gzip > "${DB_FILE}.tmp"; then
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log "ABORT: mysqldump failed"
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rm -f "${DB_FILE}.tmp"
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exit 1
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fi
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mv "${DB_FILE}.tmp" "$DB_FILE"
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log "DB dump size: $(du -h "$DB_FILE" | awk '{print $1}')"
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log "File sync via tar (read-only, ~5–8 min)..."
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if ! tar_sync_files; then
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log "ABORT: file sync via tar failed"
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exit 1
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fi
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log "Files staged: $(du -sh "${STAGING}/wpfiles" | awk '{print $1}')"
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for _ in $(seq 1 45); do
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if pct exec "$MIRROR_CT" -- docker info >/dev/null 2>&1; then
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break
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fi
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sleep 2
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done
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pct exec "$MIRROR_CT" -- docker stop wordpress-app 2>/dev/null || true
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log "Import DB into CT600..."
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gunzip -c "$DB_FILE" | pct exec "$MIRROR_CT" -- docker exec -i wordpress-mysql \
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mysql -u"$MYSQL_USER" -p"$MYSQL_PASS" "$MYSQL_DB"
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log "Import files into CT600..."
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tar c -C "${STAGING}/wpfiles" . 2>/dev/null | pct exec "$MIRROR_CT" -- tar x -C "$WP_VOL"
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log "Reset mirror idle siteurl/home..."
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pct exec "$MIRROR_CT" -- docker exec wordpress-mysql mysql -u"$MYSQL_USER" -p"$MYSQL_PASS" "$MYSQL_DB" -e \
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"UPDATE wp_options SET option_value='${MIRROR_SITEURL}' WHERE option_name IN ('siteurl','home');"
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pct exec "$MIRROR_CT" -- docker start wordpress-app
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sleep 5
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POSTS="$(pct exec "$MIRROR_CT" -- docker exec wordpress-mysql mysql -u"$MYSQL_USER" -p"$MYSQL_PASS" -N -e \
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"SELECT COUNT(*) FROM wp_posts WHERE post_status='publish' AND post_type='post';" "$MYSQL_DB" 2>/dev/null)"
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LAST="$(pct exec "$MIRROR_CT" -- docker exec wordpress-mysql mysql -u"$MYSQL_USER" -p"$MYSQL_PASS" -N -e \
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"SELECT MAX(post_date) FROM wp_posts WHERE post_type='post';" "$MYSQL_DB" 2>/dev/null)"
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log "Mirror verified: ${POSTS} published posts, latest ${LAST}"
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if ! ct101_http_ok; then
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log "WARN: CT101 health check failed AFTER sync — investigate immediately"
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exit 1
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fi
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log "Stopping CT600 (standby)..."
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pct stop "$MIRROR_CT"
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MIRROR_RUNNING=0
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log "DONE"
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