119 lines
4.7 KiB
Bash
Executable File
119 lines
4.7 KiB
Bash
Executable File
#!/bin/bash
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# Script to diagnose and fix Blockscout database connection issue
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# Blockscout can't see tables even though they exist
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set -euo pipefail
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VMID=5000
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echo "=========================================="
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echo "Blockscout Database Connection Fix"
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echo "=========================================="
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echo ""
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# Check if running from Proxmox host or inside container
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if [ -f "/proc/1/cgroup" ] && grep -q "lxc" /proc/1/cgroup 2>/dev/null; then
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EXEC_PREFIX=""
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echo "Running inside VMID 5000"
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else
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EXEC_PREFIX="pct exec $VMID --"
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echo "Running from Proxmox host, executing in VMID 5000"
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fi
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# Step 1: Check what database Blockscout is connecting to
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echo "=== Step 1: Checking Blockscout DATABASE_URL ==="
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BLOCKSCOUT_CONTAINER=$($EXEC_PREFIX docker ps -a | grep blockscout | grep -v postgres | awk '{print $1}' | head -1)
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if [ -n "$BLOCKSCOUT_CONTAINER" ]; then
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DATABASE_URL=$($EXEC_PREFIX docker inspect --format='{{range .Config.Env}}{{println .}}{{end}}' $BLOCKSCOUT_CONTAINER | grep "^DATABASE_URL=" | cut -d= -f2-)
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echo "Blockscout DATABASE_URL: $DATABASE_URL"
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# Extract components
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DB_USER=$(echo "$DATABASE_URL" | sed -n 's|.*://\([^:]*\):.*|\1|p')
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DB_PASS=$(echo "$DATABASE_URL" | sed -n 's|.*://[^:]*:\([^@]*\)@.*|\1|p')
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DB_HOST=$(echo "$DATABASE_URL" | sed -n 's|.*@\([^:]*\):.*|\1|p')
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DB_PORT=$(echo "$DATABASE_URL" | sed -n 's|.*@[^:]*:\([^/]*\)/.*|\1|p')
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DB_NAME=$(echo "$DATABASE_URL" | sed -n 's|.*/\([^?]*\).*|\1|p')
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echo " User: $DB_USER"
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echo " Host: $DB_HOST"
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echo " Port: $DB_PORT"
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echo " Database: $DB_NAME"
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else
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echo "❌ Blockscout container not found"
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exit 1
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fi
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echo ""
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# Step 2: Verify tables exist in that specific database
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echo "=== Step 2: Verifying tables in database '$DB_NAME' ==="
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$EXEC_PREFIX docker exec blockscout-postgres psql -U "$DB_USER" -d "$DB_NAME" -c "
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SELECT
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CASE WHEN EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'migrations_status')
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THEN '✅ migrations_status' ELSE '❌ migrations_status MISSING' END,
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CASE WHEN EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'blocks')
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THEN '✅ blocks' ELSE '❌ blocks MISSING' END,
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CASE WHEN EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'transactions')
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THEN '✅ transactions' ELSE '❌ transactions MISSING' END;
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" 2>&1
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echo ""
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# Step 3: Check current search_path for that database
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echo "=== Step 3: Checking search_path ==="
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$EXEC_PREFIX docker exec blockscout-postgres psql -U "$DB_USER" -d "$DB_NAME" -c "SHOW search_path;" 2>&1
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echo ""
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# Step 4: Test query from Blockscout's perspective
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echo "=== Step 4: Testing query from Blockscout container ==="
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if $EXEC_PREFIX docker start $BLOCKSCOUT_CONTAINER 2>/dev/null; then
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sleep 5
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echo "Attempting to query from Blockscout..."
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$EXEC_PREFIX docker exec -it $BLOCKSCOUT_CONTAINER bin/blockscout eval "
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IO.puts(\"Testing database connection...\")
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case Explorer.Repo.query(\"SELECT current_database(), current_schema()\") do
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{:ok, %{rows: [[db, schema]]}} ->
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IO.puts(\"✅ Connected to database: #{db}, schema: #{schema}\")
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error ->
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IO.puts(\"❌ Connection error: #{inspect(error)}\")
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end
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IO.puts(\"\\nTesting migrations_status table...\")
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case Explorer.Repo.query(\"SELECT COUNT(*) FROM migrations_status\") do
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{:ok, %{rows: [[count]]}} ->
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IO.puts(\"✅ migrations_status accessible, count: #{count}\")
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{:error, error} ->
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IO.puts(\"❌ Cannot access migrations_status: #{inspect(error)}\")
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end
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" 2>&1 | head -20 || echo "⚠️ Cannot query from container"
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else
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echo "⚠️ Cannot start container for testing"
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fi
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echo ""
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# Step 5: Check if there are multiple databases
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echo "=== Step 5: Checking for multiple databases ==="
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$EXEC_PREFIX docker exec blockscout-postgres psql -U blockscout -d postgres -c "\l" 2>&1 | grep -E "Name|blockscout" | head -5
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echo ""
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# Step 6: Verify connection string format
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echo "=== Step 6: Recommended Fix ==="
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echo "If Blockscout can't see tables, try:"
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echo ""
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echo "1. Ensure DATABASE_URL is correct in docker-compose.yml:"
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echo " DATABASE_URL=postgresql://blockscout:blockscout@postgres:5432/blockscout"
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echo ""
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echo "2. Run migrations in a one-off container:"
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echo " docker run --rm --network container:$BLOCKSCOUT_CONTAINER \\"
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echo " -e DATABASE_URL=postgresql://blockscout:blockscout@postgres:5432/blockscout \\"
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echo " blockscout/blockscout:latest \\"
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echo " bin/blockscout eval 'Explorer.Release.migrate()'"
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echo ""
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echo "3. Update docker-compose.yml to run migrations before start:"
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echo " command: sh -c \"bin/blockscout eval 'Explorer.Release.migrate()' && bin/blockscout start\""
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