138 lines
4.7 KiB
Bash
138 lines
4.7 KiB
Bash
#!/bin/bash
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$SCRIPT_DIR/../common.sh"
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# Load config and detect hosts
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load_master_conf
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detect_hosts
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# Input argument: directory
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DIRECTORY="$1"
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if [[ -z "$DIRECTORY" ]]; then
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echo "Usage: $0 <directory-to-sync> [--dry-run|-n] [VAR=value ...]"
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exit 1
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fi
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shift
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# Parse CLI args
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parse_args "$@"
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# Determine profile
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DIR_CLEAN="${DIRECTORY%/}" # strip trailing slash
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PROFILE_NAME=$(basename "$DIR_CLEAN" | tr '[:upper:]' '[:lower:]')
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echo "Detected profile: $PROFILE_NAME"
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# Apply profile defaults or fallback
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MAX_RSYNC_PROCS=${PROFILE_MAX_PROCS[$PROFILE_NAME]:-$MAX_RSYNC_PROCS}
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BW_LIMIT=${PROFILE_BW_LIMIT[$PROFILE_NAME]:-$BW_LIMIT}
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CRITICAL_CONTAINER_NAMES=(${PROFILE_CRITICAL_CONTAINER_NAMES[$PROFILE_NAME]})
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DELAYED_CONTAINERS=(${PROFILE_DELAYED_CONTAINERS[$PROFILE_NAME]})
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CONTAINER_DELAY=${PROFILE_CONTAINER_DELAY[$PROFILE_NAME]:-$CONTAINER_DELAY}
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RETRY_COUNT=${PROFILE_RETRY_COUNT[$PROFILE_NAME]:-$RETRY_COUNT}
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SLEEP=${PROFILE_SLEEP[$PROFILE_NAME]:-$SLEEP}
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EXCLUDE_DIRS=(${PROFILE_EXCLUDE_DIRS[$PROFILE_NAME]:-${EXCLUDE_DIRS[@]}})
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validate_int MAX_RSYNC_PROCS "$MAX_RSYNC_PROCS"
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validate_int BW_LIMIT "$BW_LIMIT"
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validate_int CONTAINER_DELAY "$CONTAINER_DELAY"
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validate_int RETRY_COUNT "$RETRY_COUNT"
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validate_int SLEEP "$SLEEP"
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echo "Settings: MAX_RSYNC_PROCS=$MAX_RSYNC_PROCS, BW_LIMIT=$BW_LIMIT, CONTAINERS=${CRITICAL_CONTAINER_NAMES[*]}, EXCLUDES=${EXCLUDE_DIRS[*]}"
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# Dependencies
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for cmd in rsync ssh ping timeout docker tailscale; do
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command -v "$cmd" >/dev/null 2>&1 || { echo "Error: $cmd not installed."; exit 1; }
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done
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trap 'echo "Script interrupted. Exiting."; exit 130' INT TERM
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# Helper functions
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wait_for_rsync() {
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for attempt in $(seq 1 "$RETRY_COUNT"); do
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RSYNC_COUNT=$(pgrep -fc "rsync.*root@${REMOTE_SERVER}" || true)
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if [ "$RSYNC_COUNT" -ge "$MAX_RSYNC_PROCS" ]; then
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echo "[$LOCAL_SERVER_NAME] Waiting... ($RSYNC_COUNT active rsync processes)"
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sleep "$SLEEP"
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else
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return 0
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fi
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done
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echo "Too many rsync processes, exiting."
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exit 1
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}
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check_server_online() {
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timeout 5 ping -c 1 "$REMOTE_SERVER" &>/dev/null
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}
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declare -a RUNNING_CONTAINERS=()
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stop_containers() {
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echo "[$LOCAL_SERVER_NAME] Checking containers on ${REMOTE_SERVER_NAME}..."
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RUNNING_CONTAINERS=()
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for container in "${CRITICAL_CONTAINER_NAMES[@]}"; do
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STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
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"docker inspect -f '{{.State.Running}}' $container 2>/dev/null" || echo "false")
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if [ "$STATUS" == "true" ]; then
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echo "Stopping $container"
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RUNNING_CONTAINERS+=("$container")
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[ "$DRY_RUN" = false ] && ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker stop $container"
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[ "$DRY_RUN" = true ] && echo "[DRY-RUN] Would stop $container"
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fi
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done
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}
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start_containers() {
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echo "[$LOCAL_SERVER_NAME] Restarting containers on ${REMOTE_SERVER_NAME}..."
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for container in "${RUNNING_CONTAINERS[@]}"; do
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if [[ " ${DELAYED_CONTAINERS[*]} " == *" $container "* ]]; then
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echo "Delaying start of $container by ${CONTAINER_DELAY}s..."
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[ "$DRY_RUN" = false ] && sleep "$CONTAINER_DELAY"
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fi
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[ "$DRY_RUN" = true ] && echo "[DRY-RUN] Would start $container"
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[ "$DRY_RUN" = false ] && ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
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done
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}
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# Main logic
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main() {
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echo "[$LOCAL_SERVER_NAME] Syncing $DIRECTORY → $REMOTE_SERVER:$DIRECTORY"
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for i in $(seq 1 "$RETRY_COUNT"); do
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if check_server_online; then break; fi
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echo "Remote $REMOTE_SERVER_NAME down, retrying in $SLEEP seconds..."
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sleep "$SLEEP"
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done
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check_server_online || { echo "Remote $REMOTE_SERVER_NAME unreachable. Exiting."; exit 1; }
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wait_for_rsync
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stop_containers
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RSYNC_OPTS=(-av --info=progress2 --human-readable --bwlimit="$BW_LIMIT" --delete --inplace --no-whole-file)
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for pattern in "${EXCLUDE_DIRS[@]}"; do
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RSYNC_OPTS+=(--exclude="$pattern")
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done
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[ "$DRY_RUN" = true ] && RSYNC_OPTS+=("--dry-run")
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for attempt in $(seq 1 "$RETRY_COUNT"); do
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echo "Starting rsync attempt $attempt/$RETRY_COUNT..."
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if rsync "${RSYNC_OPTS[@]}" -e "ssh -i \"$SSH_KEY\" -T -o Compression=no -o IPQoS=throughput" "$DIRECTORY" "root@${REMOTE_SERVER}:$DIRECTORY"; then
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echo "Rsync completed successfully."
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break
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else
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echo "Rsync attempt $attempt failed."
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[ "$attempt" -lt "$RETRY_COUNT" ] && sleep "$SLEEP"
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[ "$attempt" -eq "$RETRY_COUNT" ] && { start_containers; exit 1; }
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fi
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done
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start_containers
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echo "[$LOCAL_SERVER_NAME] Sync complete."
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}
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# Execute
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main |