Create sync-db.sh

Author: mythz

scripts/sync-db.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+# Sync production PostgreSQL database to local instance
+# Usage: ./scripts/sync-db.sh
+# Requires: TECHSTACKS_DB_PROD env var with .NET connection string
+#   e.g. Server=host;Port=5433;User Id=user;Password=pass;Database=dbname
+
+set -euo pipefail
+
+if [ -z "${TECHSTACKS_DB_PROD:-}" ]; then
+    echo "Error: TECHSTACKS_DB_PROD environment variable is not set"
+    echo "Expected .NET connection string format:"
+    echo "  Server=host;Port=5433;User Id=user;Password=pass;Database=dbname"
+    exit 1
+fi
+
+# Parse .NET connection string
+parse_connstr() {
+    echo "$TECHSTACKS_DB_PROD" | tr ';' '\n' | grep -i "^$1=" | head -1 | cut -d'=' -f2-
+}
+
+REMOTE_HOST=$(parse_connstr "Server")
+REMOTE_PORT=$(parse_connstr "Port")
+REMOTE_USER=$(parse_connstr "User Id")
+REMOTE_PASS=$(parse_connstr "Password")
+REMOTE_DB=$(parse_connstr "Database")
+
+REMOTE_PORT="${REMOTE_PORT:-5432}"
+
+# Local
+LOCAL_HOST="localhost"
+LOCAL_PORT="5432"
+LOCAL_USER="techstacks"
+LOCAL_DB="techstacks"
+
+DUMP_FILE="/tmp/techstacks-prod-dump.sql"
+
+echo "==> Dumping production database from ${REMOTE_HOST}:${REMOTE_PORT}..."
+PGPASSWORD="$REMOTE_PASS" pg_dump \
+    -h "$REMOTE_HOST" \
+    -p "$REMOTE_PORT" \
+    -U "$REMOTE_USER" \
+    -d "$REMOTE_DB" \
+    --no-owner \
+    --no-acl \
+    -F plain \
+    -f "$DUMP_FILE"
+
+echo "==> Dump complete: $(du -h "$DUMP_FILE" | cut -f1)"
+
+echo "==> Dropping and recreating local database..."
+PGPASSWORD="${LOCAL_PGPASSWORD:-techstacks}" dropdb \
+    -h "$LOCAL_HOST" \
+    -p "$LOCAL_PORT" \
+    -U "$LOCAL_USER" \
+    --if-exists \
+    "$LOCAL_DB"
+
+PGPASSWORD="${LOCAL_PGPASSWORD:-techstacks}" createdb \
+    -h "$LOCAL_HOST" \
+    -p "$LOCAL_PORT" \
+    -U "$LOCAL_USER" \
+    "$LOCAL_DB"
+
+echo "==> Restoring dump to local database..."
+PGPASSWORD="${LOCAL_PGPASSWORD:-techstacks}" psql \
+    -h "$LOCAL_HOST" \
+    -p "$LOCAL_PORT" \
+    -U "$LOCAL_USER" \
+    -d "$LOCAL_DB" \
+    -f "$DUMP_FILE" \
+    -v ON_ERROR_STOP=1 2>&1 | grep -v "^SET\|^COMMENT\|^ALTER\|^CREATE\|^$" || true
+
+echo "==> Verifying restore..."
+TABLE_COUNT=$(PGPASSWORD="${LOCAL_PGPASSWORD:-techstacks}" psql \
+    -h "$LOCAL_HOST" \
+    -p "$LOCAL_PORT" \
+    -U "$LOCAL_USER" \
+    -d "$LOCAL_DB" \
+    -t -c "SELECT count(*) FROM information_schema.tables WHERE table_schema = 'public';")
+echo "==> Restored ${TABLE_COUNT// /} tables"
+
+echo "==> Cleaning up dump file..."
+rm -f "$DUMP_FILE"
+
+echo "==> Done! Local database synced from production."