70 lines
1.9 KiB
Bash
70 lines
1.9 KiB
Bash
#!/bin/bash
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set -euo pipefail
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WORKDIR="$(pwd)"
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COMPOSE_FILE="${WORKDIR}/docker-compose.yml"
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if [[ ! -f "$COMPOSE_FILE" ]]; then
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echo "❌ No docker-compose.yml found in $WORKDIR"
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exit 1
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fi
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# Determine project name (Docker Compose style)
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PROJECT_NAME=$(basename "$WORKDIR")
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echo "📦 Working in (${PROJECT_NAME})"
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# Get original user details (in case script is run via sudo -E or similar)
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ORIGINAL_USER="${SUDO_USER:-$USER}"
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ORIGINAL_UID=$(id -u "$ORIGINAL_USER")
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ORIGINAL_GID=$(id -g "$ORIGINAL_USER")
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# Get services
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SERVICE_NAMES=$(yq e '.services | keys | .[]' "$COMPOSE_FILE")
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for SERVICE in $SERVICE_NAMES; do
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echo "🔍 Found service (${SERVICE})"
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# Get service volumes
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VOLUMES=$(yq e ".services.${SERVICE}.volumes[]" "$COMPOSE_FILE" 2>/dev/null || true)
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while IFS= read -r VOLUME; do
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# Clean up quotes/whitespace
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VOLUME=$(echo "$VOLUME" | sed 's/^"//;s/"$//;s/^[[:space:]]*//;s/[[:space:]]*$//')
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# Skip bind mounts
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if [[ "$VOLUME" == ./* || "$VOLUME" == /* ]]; then
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continue
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fi
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SOURCE=$(echo "$VOLUME" | cut -d':' -f1)
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echo "📁 Found named volume (${SOURCE})"
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read -rp "→ Tar.gz and save as ${SOURCE}.tar.gz? (Y/n) " REPLY
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REPLY=${REPLY:-Y}
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if [[ "$REPLY" =~ ^[Yy]$ ]]; then
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VOLUME_PATH="/var/lib/docker/volumes/${PROJECT_NAME}_${SOURCE}/_data"
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OUTPUT_FILE="${WORKDIR}/${SOURCE}.tar.gz"
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if ! sudo test -d "$VOLUME_PATH"; then
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echo "⚠️ Volume path not found: $VOLUME_PATH"
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continue
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fi
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echo "📦 Backing up $VOLUME_PATH → $OUTPUT_FILE"
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# Use sudo to read, but write file as your user
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sudo tar -czf "$OUTPUT_FILE" -C "$VOLUME_PATH" .
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# Fix ownership in case sudo did anything funny
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chown "$ORIGINAL_UID:$ORIGINAL_GID" "$OUTPUT_FILE"
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echo "✅ Backup done: $OUTPUT_FILE"
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else
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echo "⏭️ Skipping ${SOURCE}"
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fi
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done <<< "$VOLUMES"
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done
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