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proc/thread-self/root/proc/self/root/opt/nhanhoa/_[ Not.Writable ]

File://proc/thread-self/root/proc/self/root/opt/nhanhoa/sync_backup.sh

#!/bin/bash

########################################
# CONFIG
########################################

SRC="/backup/cpbackup/"
DEST="/backup-nfs/cpbackup/"

LOCKFILE="/var/run/sync_backup.lock"
LOGFILE="/var/log/sync_backup.log"

TIMEOUT=604800
RSYNC_TIMEOUT=1800

# Telegram config (optional)
TG_TOKEN="5971131875:AAF1Z11CyKhbpmkXzrMxePMVL0dqT1vusXo"
TG_CHAT_ID="-803396545"

########################################
# FUNCTIONS
########################################

log() {
    echo "$(date '+%F %T') $1" | tee -a "$LOGFILE"
}

send_telegram() {
    [ -z "$TG_TOKEN" ] && return
    curl -s -X POST "https://api.telegram.org/bot$TG_TOKEN/sendMessage" \
        -d chat_id="$TG_CHAT_ID" \
        -d text="$1" > /dev/null 2>&1
}

check_nfs() {

    if ! mountpoint -q /backup-nfs; then
        log "ERROR: /backup-nfs not mounted"
        send_telegram "❌ Backup failed: NFS not mounted on $(hostname)"
        exit 1
    fi

    # test write
    touch /backup-nfs/.test_write.$$ 2>/dev/null
    if [ $? -ne 0 ]; then
        log "ERROR: NFS write test failed"
        send_telegram "❌ Backup failed: NFS write error on $(hostname)"
        exit 1
    fi

    rm -f /backup-nfs/.test_write.$$
}

kill_old_rsync() {

    OLD=$(pgrep -f "rsync.*$SRC")

    if [ ! -z "$OLD" ]; then
        log "WARNING: Found old rsync process: $OLD"
        kill -9 $OLD
        log "Old rsync killed"
    fi
}

########################################
# MAIN
########################################

(
flock -n 9 || {
    log "Another backup process is running"
    exit 1
}

START_TIME=$(date +%s)

log "===== BACKUP START ====="

check_nfs

kill_old_rsync

log "Running rsync..."

timeout $TIMEOUT rsync -aH --delete \
    --numeric-ids \
    --stats \
    --info=progress2 \
    --itemize-changes \
    -vv \
    --timeout=$RSYNC_TIMEOUT \
    "$SRC" "$DEST" >> "$LOGFILE" 2>&1

STATUS=$?

END_TIME=$(date +%s)
DURATION=$((END_TIME - START_TIME))

if [ $STATUS -eq 0 ]; then
    SIZE=$(du -sh "$DEST" | awk '{print $1}')
    log "Backup SUCCESS - Time: ${DURATION}s - Size: $SIZE"
else
    log "Backup FAILED - Exit code: $STATUS"
    send_telegram "❌ Backup FAILED on $(hostname)"
fi

log "===== BACKUP END ====="

) 9>$LOCKFILE

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