Update migrate.sh
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156
migrate.sh
156
migrate.sh
@@ -1,5 +1,5 @@
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#!/bin/bash
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#!/bin/bash
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# Usage: curl -sL https://url/migrate.sh | bash -s -- <LOCAL_ID> <USER@REMOTE_IP> <REMOTE_ID> [SSH_KEY_PATH]
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# Usage: curl -sL https://url/migrate.sh | bash -s -- <LOCAL_ID_OR_VOL> <USER@REMOTE_IP> <REMOTE_ID_OR_VOL> [SSH_KEY_PATH]
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LOCAL_SEARCH="$1"
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LOCAL_SEARCH="$1"
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DEST_CONN="$2"
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DEST_CONN="$2"
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@@ -11,102 +11,96 @@ GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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NC='\033[0m'
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# --- 1. CONFIGURE SSH ---
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# --- 1. SSH SETUP ---
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# Base options to avoid "Are you sure?" prompts and timeouts
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SSH_BASE_OPTS="-o BatchMode=yes -o ConnectTimeout=10 -o StrictHostKeyChecking=no"
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SSH_BASE_OPTS="-o BatchMode=yes -o ConnectTimeout=10 -o StrictHostKeyChecking=no"
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if [ -n "$SSH_KEY_PATH" ]; then
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if [ -n "$SSH_KEY_PATH" ]; then
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echo -e "🔑 Using Identity File: ${YELLOW}$SSH_KEY_PATH${NC}"
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if [ ! -f "$SSH_KEY_PATH" ]; then
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echo -e "${RED}Error: Key file not found at $SSH_KEY_PATH${NC}"
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exit 1
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fi
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# Create the SSH command with the key
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SSH_CMD="ssh -i $SSH_KEY_PATH $SSH_BASE_OPTS"
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SSH_CMD="ssh -i $SSH_KEY_PATH $SSH_BASE_OPTS"
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# Create the RSYNC generic shell command
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RSYNC_SH="ssh -i $SSH_KEY_PATH $SSH_BASE_OPTS"
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RSYNC_SH="ssh -i $SSH_KEY_PATH $SSH_BASE_OPTS"
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else
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else
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SSH_CMD="ssh $SSH_BASE_OPTS"
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SSH_CMD="ssh $SSH_BASE_OPTS"
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RSYNC_SH="ssh $SSH_BASE_OPTS"
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RSYNC_SH="ssh $SSH_BASE_OPTS"
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fi
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fi
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# --- 2. PRE-FLIGHT CHECKS ---
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# --- 2. DETECT MODE (Container vs Volume) ---
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if [ -z "$REMOTE_SEARCH" ]; then
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MODE="container"
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echo -e "${RED}Usage: $0 <Local_ID> <User@Remote_IP> <Remote_ID> [Key_Path]${NC}"
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# Check if input is a valid volume
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exit 1
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if docker volume inspect "$LOCAL_SEARCH" >/dev/null 2>&1; then
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MODE="volume"
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echo -e "${YELLOW}Info: Detected input as Volume Name, not Container.${NC}"
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fi
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fi
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echo -e "📡 Connecting to $DEST_CONN..."
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# --- 3. EXECUTE MIGRATION ---
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if ! $SSH_CMD "$DEST_CONN" echo "SSH Connection OK" >/dev/null 2>&1; then
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echo -e "${RED}Error: Cannot connect to $DEST_CONN.${NC}"
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echo -e " Check your IP, User, or SSH Key permissions."
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exit 1
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fi
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# --- 3. IDENTIFY CONTAINERS ---
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if [ "$MODE" == "volume" ]; then
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echo -e "\n🔍 Identifying Containers..."
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# === VOLUME MODE ===
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L_VOL="$LOCAL_SEARCH"
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R_VOL="$REMOTE_SEARCH"
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echo -e " Source Volume: ${GREEN}$L_VOL${NC}"
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echo -e " Target Volume: ${GREEN}$R_VOL${NC}"
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# Local
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# Get Paths
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L_ID=$(docker ps -aq --filter "name=${LOCAL_SEARCH}" | head -n 1)
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REAL_L_PATH=$(docker volume inspect --format '{{.Mountpoint}}' "$L_VOL")
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L_NAME=$(docker ps -a --filter "name=${LOCAL_SEARCH}" --format "{{.Names}}" | head -n 1)
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REAL_R_PATH=$($SSH_CMD "$DEST_CONN" "docker volume inspect --format '{{.Mountpoint}}' $R_VOL")
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# Remote (via SSH)
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if [ -z "$REAL_R_PATH" ]; then
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R_ID=$($SSH_CMD "$DEST_CONN" "docker ps -aq --filter 'name=${REMOTE_SEARCH}' | head -n 1")
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echo -e "${RED}Error: Remote volume '$R_VOL' not found on Server B.${NC}"
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R_NAME=$($SSH_CMD "$DEST_CONN" "docker ps -a --filter 'name=${REMOTE_SEARCH}' --format '{{.Names}}' | head -n 1")
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exit 1
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if [ -z "$L_ID" ]; then echo -e "${RED}Local container '${LOCAL_SEARCH}' not found.${NC}"; exit 1; fi
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if [ -z "$R_ID" ]; then echo -e "${RED}Remote container '${REMOTE_SEARCH}' not found on Server B.${NC}"; exit 1; fi
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echo -e " Source: ${GREEN}$L_NAME${NC} ($L_ID)"
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echo -e " Target: ${GREEN}$R_NAME${NC} ($R_ID)"
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# --- 4. STOP CONTAINERS ---
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echo -e "\n🛑 ${RED}Stopping containers to freeze state...${NC}"
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docker stop "$L_ID"
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$SSH_CMD "$DEST_CONN" "docker stop $R_ID"
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# --- 5. MIGRATE VOLUMES ---
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echo -e "\n📦 Mapping & Syncing Volumes..."
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# Get Mounts: Type|SourcePath|InternalPath
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L_MOUNTS=$(docker inspect -f '{{range .Mounts}}{{.Type}}|{{.Source}}|{{.Destination}} {{end}}' "$L_ID")
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for MOUNT in $L_MOUNTS; do
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TYPE=$(echo "$MOUNT" | cut -d'|' -f1)
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L_PATH=$(echo "$MOUNT" | cut -d'|' -f2)
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INTERNAL_TARGET=$(echo "$MOUNT" | cut -d'|' -f3)
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# Skip system mounts
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if [[ "$INTERNAL_TARGET" == *".sock" ]] || [[ "$INTERNAL_TARGET" == *".conf" ]]; then continue; fi
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echo -e "\n 🔄 Volume: ${YELLOW}$INTERNAL_TARGET${NC}"
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# Find corresponding path on Remote
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R_PATH_RAW=$($SSH_CMD "$DEST_CONN" "docker inspect -f '{{range .Mounts}}{{if eq .Destination \"$INTERNAL_TARGET\"}}{{.Source}}{{end}}{{end}}' $R_ID")
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if [ -z "$R_PATH_RAW" ]; then
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echo -e " ${RED}Skipping: Target has no matching volume.${NC}"
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continue
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fi
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fi
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# Resolve Real Paths
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# Attempt to stop any containers using these volumes (Safety)
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if [ "$TYPE" == "volume" ]; then
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echo -e "\n🛑 Stopping any containers using these volumes..."
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REAL_L_PATH=$(docker volume inspect --format '{{.Mountpoint}}' "$L_PATH")
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# Local
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REAL_R_PATH=$($SSH_CMD "$DEST_CONN" "docker volume inspect --format '{{.Mountpoint}}' $R_PATH_RAW 2>/dev/null || echo $R_PATH_RAW")
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L_CONTAINER=$(docker ps -q --filter volume="$L_VOL")
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else
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[ -n "$L_CONTAINER" ] && docker stop $L_CONTAINER
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REAL_L_PATH="$L_PATH"
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# Remote
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REAL_R_PATH="$R_PATH_RAW"
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R_CONTAINER=$($SSH_CMD "$DEST_CONN" "docker ps -q --filter volume='$R_VOL'")
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fi
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[ -n "$R_CONTAINER" ] && $SSH_CMD "$DEST_CONN" "docker stop $R_CONTAINER"
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# RSYNC EXECUTION
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# Sync
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echo " 🚀 Transferring data..."
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echo -e "🚀 Transferring data..."
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rsync -az --info=progress2 -e "$RSYNC_SH" "${REAL_L_PATH}/" "$DEST_CONN:${REAL_R_PATH}/"
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rsync -az --info=progress2 -e "$RSYNC_SH" "${REAL_L_PATH}/" "$DEST_CONN:${REAL_R_PATH}/"
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done
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echo -e "\n✅ Volume Transfer Complete!"
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[ -n "$L_CONTAINER" ] && docker start $L_CONTAINER
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[ -n "$R_CONTAINER" ] && $SSH_CMD "$DEST_CONN" "docker start $R_CONTAINER"
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# --- 6. RESTART ---
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else
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echo -e "\n✅ Transfer Complete."
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# === CONTAINER MODE (Original Logic) ===
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echo -e " Restarting containers..."
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L_ID=$(docker ps -aq --filter "name=${LOCAL_SEARCH}" | head -n 1)
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$SSH_CMD "$DEST_CONN" "docker start $R_ID"
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R_ID=$($SSH_CMD "$DEST_CONN" "docker ps -aq --filter 'name=${REMOTE_SEARCH}' | head -n 1")
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docker start "$L_ID"
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if [ -z "$L_ID" ]; then echo -e "${RED}Error: Container/Volume '$LOCAL_SEARCH' not found.${NC}"; exit 1; fi
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if [ -z "$R_ID" ]; then echo -e "${RED}Error: Remote container '$REMOTE_SEARCH' not found.${NC}"; exit 1; fi
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echo -e "\n🎉 ${GREEN}Success!${NC}"
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echo -e "🛑 Stopping containers..."
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docker stop "$L_ID"
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$SSH_CMD "$DEST_CONN" "docker stop $R_ID"
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echo -e "📦 Syncing volumes..."
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L_MOUNTS=$(docker inspect -f '{{range .Mounts}}{{.Type}}|{{.Source}}|{{.Destination}} {{end}}' "$L_ID")
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for MOUNT in $L_MOUNTS; do
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TYPE=$(echo "$MOUNT" | cut -d'|' -f1)
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L_PATH=$(echo "$MOUNT" | cut -d'|' -f2)
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TARGET=$(echo "$MOUNT" | cut -d'|' -f3)
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if [[ "$TARGET" == *".sock" ]] || [[ "$TARGET" == *".conf" ]]; then continue; fi
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R_PATH_RAW=$($SSH_CMD "$DEST_CONN" "docker inspect -f '{{range .Mounts}}{{if eq .Destination \"$TARGET\"}}{{.Source}}{{end}}{{end}}' $R_ID")
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if [ -n "$R_PATH_RAW" ]; then
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if [ "$TYPE" == "volume" ]; then
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REAL_L=$(docker volume inspect --format '{{.Mountpoint}}' "$L_PATH")
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REAL_R=$($SSH_CMD "$DEST_CONN" "docker volume inspect --format '{{.Mountpoint}}' $R_PATH_RAW" 2>/dev/null || echo $R_PATH_RAW)
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else
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REAL_L="$L_PATH"; REAL_R="$R_PATH_RAW"
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fi
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rsync -az --info=progress2 -e "$RSYNC_SH" "${REAL_L}/" "$DEST_CONN:${REAL_R}/"
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fi
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done
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echo -e "✅ Container Transfer Complete!"
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docker start "$L_ID"
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$SSH_CMD "$DEST_CONN" "docker start $R_ID"
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fi
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