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Update backup_named_volumes.sh

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Ryan Hamilton
2025-07-18 14:06:57 +00:00
parent 47764ac1e7
commit 0afd8b4f47
1 changed files with 19 additions and 15 deletions
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34
backup_named_volumes.sh
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@@ -10,22 +10,26 @@ if [[ ! -f "$COMPOSE_FILE" ]]; then
exit 1 exit 1
fi fi
# Determine the project name (same as docker-compose uses) # Determine project name (Docker Compose style)
PROJECT_NAME=$(basename "$WORKDIR") PROJECT_NAME=$(basename "$WORKDIR")
echo "📦 Working in (${PROJECT_NAME})" echo "📦 Working in (${PROJECT_NAME})"
# Get all services using yq # Get original user details (in case script is run via sudo -E or similar)
ORIGINAL_USER="${SUDO_USER:-$USER}"
ORIGINAL_UID=$(id -u "$ORIGINAL_USER")
ORIGINAL_GID=$(id -g "$ORIGINAL_USER")
# Get services
SERVICE_NAMES=$(yq e '.services | keys | .[]' "$COMPOSE_FILE") SERVICE_NAMES=$(yq e '.services | keys | .[]' "$COMPOSE_FILE")
for SERVICE in $SERVICE_NAMES; do for SERVICE in $SERVICE_NAMES; do
echo "🔍 Found service (${SERVICE})" echo "🔍 Found service (${SERVICE})"
# Get the volumes for the service # Get service volumes
VOLUMES=$(yq e ".services.${SERVICE}.volumes[]" "$COMPOSE_FILE" 2>/dev/null || true) VOLUMES=$(yq e ".services.${SERVICE}.volumes[]" "$COMPOSE_FILE" 2>/dev/null || true)
while IFS= read -r VOLUME; do while IFS= read -r VOLUME; do
# Clean up quotes and whitespace # Clean up quotes/whitespace
VOLUME=$(echo "$VOLUME" | sed 's/^"//;s/"$//;s/^[[:space:]]*//;s/[[:space:]]*$//') VOLUME=$(echo "$VOLUME" | sed 's/^"//;s/"$//;s/^[[:space:]]*//;s/[[:space:]]*$//')
# Skip bind mounts # Skip bind mounts
@@ -33,30 +37,30 @@ for SERVICE in $SERVICE_NAMES; do
continue continue
fi fi
# Get the source volume name (before colon)
SOURCE=$(echo "$VOLUME" | cut -d':' -f1) SOURCE=$(echo "$VOLUME" | cut -d':' -f1)
echo "📁 Found named volume (${SOURCE})" echo "📁 Found named volume (${SOURCE})"
# Prompt the user read -rp "→ Tar.gz and save as ${SOURCE}.tar.gz? (Y/n) " REPLY
read -rp "→ Would you like to tar.gz and save to this location as ${SOURCE}.tar.gz? (Y/n) " REPLY
REPLY=${REPLY:-Y} REPLY=${REPLY:-Y}
if [[ "$REPLY" =~ ^[Yy]$ ]]; then if [[ "$REPLY" =~ ^[Yy]$ ]]; then
VOLUME_PATH="/var/lib/docker/volumes/${PROJECT_NAME}_${SOURCE}/_data" VOLUME_PATH="/var/lib/docker/volumes/${PROJECT_NAME}_${SOURCE}/_data"
OUTPUT_FILE="${WORKDIR}/${SOURCE}.tar.gz"
if [[ ! -d "$VOLUME_PATH" ]]; then if ! sudo test -d "$VOLUME_PATH"; then
echo "⚠️ Volume path $VOLUME_PATH not found! Skipping..." echo "⚠️ Volume path not found: $VOLUME_PATH"
continue continue
fi fi
OUTPUT_FILE="${WORKDIR}/${SOURCE}.tar.gz" echo "📦 Backing up $VOLUME_PATH → $OUTPUT_FILE"
echo "📦 Backing up $VOLUME_PATH to $OUTPUT_FILE" # Use sudo to read, but write file as your user
sudo tar -czf "$OUTPUT_FILE" -C "$VOLUME_PATH" .
tar -czf "$OUTPUT_FILE" -C "$VOLUME_PATH" . # Fix ownership in case sudo did anything funny
chown "$ORIGINAL_UID:$ORIGINAL_GID" "$OUTPUT_FILE"
echo "✅ Backup complete: $OUTPUT_FILE" echo "✅ Backup done: $OUTPUT_FILE"
else else
echo "⏭️ Skipping ${SOURCE}" echo "⏭️ Skipping ${SOURCE}"
fi fi