50 lines
No EOL
1.8 KiB
Bash
Executable file
50 lines
No EOL
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=backup.env
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source "$SCRIPT_DIR/backup.env"
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# ==============================================================================
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# CONNECTION CHECK
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# ==============================================================================
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BACKUP_LABEL="${HOSTNAME}-root"
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EXCLUDE_FILE="/opt/backup/exclude"
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fail() {
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echo "check-connection: FAIL: $*" >&2
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exit 1
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}
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echo "PBS target: ${PBS_SERVER}:${PBS_PORT} datastore=${PBS_DATASTORE} namespace=${BACKUP_NS:-default}"
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echo
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# 1. Preflight — the files backup.sh itself requires
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[ -s "$ENCRYPTION_KEY_FILE" ] || fail "encryption key not found at $ENCRYPTION_KEY_FILE"
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echo "[ok] encryption key present: $ENCRYPTION_KEY_FILE"
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[ -f "$EXCLUDE_FILE" ] || fail "exclude list not found at $EXCLUDE_FILE"
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echo "[ok] exclude list present: $EXCLUDE_FILE"
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echo
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# 2. TCP reachability of the PBS server
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if ! timeout 5 bash -c "exec 3<>/dev/tcp/${PBS_SERVER}/${PBS_PORT}" 2>/dev/null; then
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fail "cannot open TCP connection to ${PBS_SERVER}:${PBS_PORT} (hostname resolution or firewall?)"
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fi
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echo "[ok] TCP connection to ${PBS_SERVER}:${PBS_PORT}"
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echo
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# 3. Authenticated round-trip: list existing snapshots for this host
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if ! SNAP_OUT="$(timeout 30 proxmox-backup-client snapshot list "host/${BACKUP_LABEL}" --ns "$BACKUP_NS" 2>&1)"; then
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echo "$SNAP_OUT" >&2
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fail "authenticated request failed — check PBS_AUTH_ID / PBS_PASSWORD in backup.env"
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fi
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echo "[ok] authentication + API round-trip to the server"
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if [ -n "$SNAP_OUT" ]; then
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echo "existing snapshots for ${BACKUP_LABEL}:"
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echo "$SNAP_OUT"
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else
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echo " (none yet for ${BACKUP_LABEL} — the first backup has not run)"
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fi
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echo
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echo "All checks passed. The next backup should succeed." |