C

Rsync/rsync.sh

@@ -4,11 +4,11 @@ set -e
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "$SCRIPT_DIR/../common.sh"
 
-# Load config
+# Load config and detect hosts
 load_master_conf
 detect_hosts
-parse_args "$@"
 
+# Input argument: directory
 DIRECTORY="$1"
 if [[ -z "$DIRECTORY" ]]; then
     echo "Usage: $0 <directory-to-sync> [--dry-run|-n] [VAR=value ...]"
@@ -16,11 +16,15 @@ if [[ -z "$DIRECTORY" ]]; then
 fi
 shift
 
-# Determine profile from folder basename
-PROFILE_NAME=$(basename "$DIRECTORY" | tr '[:upper:]' '[:lower:]')
+# Parse CLI args
+parse_args "$@"
+
+# Determine profile
+DIR_CLEAN="${DIRECTORY%/}"  # strip trailing slash
+PROFILE_NAME=$(basename "$DIR_CLEAN" | tr '[:upper:]' '[:lower:]')
 echo "Detected profile: $PROFILE_NAME"
 
-# Apply profile settings
+# Apply profile defaults or fallback
 MAX_RSYNC_PROCS=${PROFILE_MAX_PROCS[$PROFILE_NAME]:-$MAX_RSYNC_PROCS}
 BW_LIMIT=${PROFILE_BW_LIMIT[$PROFILE_NAME]:-$BW_LIMIT}
 CRITICAL_CONTAINER_NAMES=(${PROFILE_CRITICAL_CONTAINER_NAMES[$PROFILE_NAME]})
@@ -30,8 +34,6 @@ RETRY_COUNT=${PROFILE_RETRY_COUNT[$PROFILE_NAME]:-$RETRY_COUNT}
 SLEEP=${PROFILE_SLEEP[$PROFILE_NAME]:-$SLEEP}
 EXCLUDE_DIRS=(${PROFILE_EXCLUDE_DIRS[$PROFILE_NAME]:-${EXCLUDE_DIRS[@]}})
 
-
-# Validate
 validate_int MAX_RSYNC_PROCS "$MAX_RSYNC_PROCS"
 validate_int BW_LIMIT "$BW_LIMIT"
 validate_int CONTAINER_DELAY "$CONTAINER_DELAY"
@@ -40,30 +42,76 @@ validate_int SLEEP "$SLEEP"
 
 echo "Settings: MAX_RSYNC_PROCS=$MAX_RSYNC_PROCS, BW_LIMIT=$BW_LIMIT, CONTAINERS=${CRITICAL_CONTAINER_NAMES[*]}, EXCLUDES=${EXCLUDE_DIRS[*]}"
 
-# Main rsync function
-main() {
-    echo "[$LOCAL_SERVER_NAME] Syncing $DIRECTORY → $REMOTE_SERVER:$DIRECTORY"
+# Dependencies
+for cmd in rsync ssh ping timeout docker tailscale; do
+    command -v "$cmd" >/dev/null 2>&1 || { echo "Error: $cmd not installed."; exit 1; }
+done
 
-    # Retry server ping
-    for i in $(seq 1 "$RETRY_COUNT"); do
-        if timeout 5 ping -c1 "$REMOTE_SERVER" &>/dev/null; then break; fi
-        echo "Remote $REMOTE_SERVER_NAME down, retrying in $SLEEP seconds..."
-        sleep "$SLEEP"
+trap 'echo "Script interrupted. Exiting."; exit 130' INT TERM
+
+# Helper functions
+wait_for_rsync() {
+    for attempt in $(seq 1 "$RETRY_COUNT"); do
+        RSYNC_COUNT=$(pgrep -fc "rsync.*root@${REMOTE_SERVER}" || true)
+        if [ "$RSYNC_COUNT" -ge "$MAX_RSYNC_PROCS" ]; then
+            echo "[$LOCAL_SERVER_NAME] Waiting... ($RSYNC_COUNT active rsync processes)"
+            sleep "$SLEEP"
+        else
+            return 0
+        fi
     done
-    timeout 5 ping -c1 "$REMOTE_SERVER" &>/dev/null || { echo "Remote $REMOTE_SERVER_NAME unreachable"; exit 1; }
+    echo "Too many rsync processes, exiting."
+    exit 1
+}
 
-    # Stop critical containers
+check_server_online() {
+    timeout 5 ping -c 1 "$REMOTE_SERVER" &>/dev/null
+}
+
+declare -a RUNNING_CONTAINERS=()
+
+stop_containers() {
+    echo "[$LOCAL_SERVER_NAME] Checking containers on ${REMOTE_SERVER_NAME}..."
     RUNNING_CONTAINERS=()
     for container in "${CRITICAL_CONTAINER_NAMES[@]}"; do
-        STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker inspect -f '{{.State.Running}}' $container" 2>/dev/null || echo "false")
-        if [[ "$STATUS" == "true" ]]; then
+        STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
+            "docker inspect -f '{{.State.Running}}' $container 2>/dev/null" || echo "false")
+        if [ "$STATUS" == "true" ]; then
             echo "Stopping $container"
             RUNNING_CONTAINERS+=("$container")
             [ "$DRY_RUN" = false ] && ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker stop $container"
+            [ "$DRY_RUN" = true ] && echo "[DRY-RUN] Would stop $container"
         fi
     done
+}
+
+start_containers() {
+    echo "[$LOCAL_SERVER_NAME] Restarting containers on ${REMOTE_SERVER_NAME}..."
+    for container in "${RUNNING_CONTAINERS[@]}"; do
+        if [[ " ${DELAYED_CONTAINERS[*]} " == *" $container "* ]]; then
+            echo "Delaying start of $container by ${CONTAINER_DELAY}s..."
+            [ "$DRY_RUN" = false ] && sleep "$CONTAINER_DELAY"
+        fi
+        [ "$DRY_RUN" = true ] && echo "[DRY-RUN] Would start $container"
+        [ "$DRY_RUN" = false ] && ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
+    done
+}
+
+# Main logic
+main() {
+    echo "[$LOCAL_SERVER_NAME] Syncing $DIRECTORY → $REMOTE_SERVER:$DIRECTORY"
+
+    for i in $(seq 1 "$RETRY_COUNT"); do
+        if check_server_online; then break; fi
+        echo "Remote $REMOTE_SERVER_NAME down, retrying in $SLEEP seconds..."
+        sleep "$SLEEP"
+    done
+
+    check_server_online || { echo "Remote $REMOTE_SERVER_NAME unreachable. Exiting."; exit 1; }
+
+    wait_for_rsync
+    stop_containers
 
-    # Rsync
     RSYNC_OPTS=(-av --info=progress2 --human-readable --bwlimit="$BW_LIMIT" --delete --inplace --no-whole-file)
     for pattern in "${EXCLUDE_DIRS[@]}"; do
         RSYNC_OPTS+=(--exclude="$pattern")
@@ -77,19 +125,14 @@ main() {
             break
         else
             echo "Rsync attempt $attempt failed."
-            [ "$attempt" -lt "$RETRY_COUNT" ] && sleep "$SLEEP" || { echo "All attempts failed"; exit 1; }
+            [ "$attempt" -lt "$RETRY_COUNT" ] && sleep "$SLEEP"
+            [ "$attempt" -eq "$RETRY_COUNT" ] && { start_containers; exit 1; }
         fi
     done
 
-    # Restart containers
-    for container in "${RUNNING_CONTAINERS[@]}"; do
-        if [[ " ${DELAYED_CONTAINERS[*]} " == *" $container "* ]]; then
-            [ "$DRY_RUN" = false ] && sleep "$CONTAINER_DELAY"
-        fi
-        [ "$DRY_RUN" = false ] && ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
-    done
-
+    start_containers
     echo "[$LOCAL_SERVER_NAME] Sync complete."
 }
 
+# Execute
 main