diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml new file mode 100644 index 0000000..9eea5f3 --- /dev/null +++ b/.github/workflows/publish.yml @@ -0,0 +1,42 @@ +name: Build and Publish Docker Image + +on: + push: + branches: + - 'main' + +jobs: + build: + runs-on: ubuntu-latest + permissions: + contents: write + packages: write + id-token: write + + steps: + - name: Checkout sources + uses: actions/checkout@v3 + + - name: Set up QEMU + uses: docker/setup-qemu-action@v2 + + - name: Set up Docker Buildx + id: buildx + uses: docker/setup-buildx-action@v2 + with: + platforms: linux/amd64,linux/arm64 + + - name: Login to GitHub Container Registry + uses: docker/login-action@v2 + with: + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + + - name: Build and Publish + uses: docker/build-push-action@v4 + with: + file: Dockerfile + platforms: linux/arm64, linux/amd64 + push: true + tags: ghcr.io/${{ github.repository }}:latest diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..679e33a --- /dev/null +++ b/Dockerfile @@ -0,0 +1,9 @@ +FROM alpine + +RUN apk update && apk add postgresql-client bash ncurses + +WORKDIR app + +ADD . . + +CMD bash migrate.sh diff --git a/migrate.sh b/migrate.sh new file mode 100755 index 0000000..27d53a2 --- /dev/null +++ b/migrate.sh @@ -0,0 +1,109 @@ +#!/bin/bash + +set -o pipefail + +export TERM=ansi +_GREEN=$(tput setaf 2) +_BLUE=$(tput setaf 4) +_MAGENTA=$(tput setaf 5) +_CYAN=$(tput setaf 6) +_RED=$(tput setaf 1) +_YELLOW=$(tput setaf 3) +_RESET=$(tput sgr0) +_BOLD=$(tput bold) + +# Function to print error messages and exit +error_exit() { + printf "[ ${_RED}ERROR${_RESET} ] ${_RED}$1${_RESET}\n" >&2 + exit 1 +} + +section() { + printf "${_RESET}\n" + echo "${_BOLD}${_BLUE}==== $1 ====${_RESET}" +} + +write_ok() { + echo "[$_GREEN OK $_RESET] $1" +} + +write_warn() { + echo "[$_YELLOW WARN $_RESET] $1" +} + +trap 'echo "An error occurred. Exiting..."; exit 1;' ERR + +printf "${_BOLD}${_MAGENTA}" +echo "+-------------------------------------+" +echo "| |" +echo "| Railway Postgres Migration Script |" +echo "| |" +echo "+-------------------------------------+" +printf "${_RESET}\n" + +echo "For more information, see https://docs.railway.app/database/migration" +echo "If you run into any issues, please reach out to us on Discord: https://discord.gg/railway" +printf "${_RESET}\n" + +section "Validating environment variables" + +# Validate that PLUGIN_URL environment variable exists +if [ -z "$PLUGIN_URL" ]; then + error_exit "PLUGIN_URL environment variable is not set." +fi + +write_ok "PLUGIN_URL correctly set" + +# Validate that NEW_URL environment variable exists +if [ -z "$NEW_URL" ]; then + error_exit "NEW_URL environment variable is not set." +fi + +write_ok "NEW_URL correctly set" + +section "Checking if NEW_URL is empty" + +# Query to check if there are any tables in the new database +query="SELECT count(*) FROM information_schema.tables WHERE table_schema NOT IN ('information_schema', 'pg_catalog');" +table_count=$(psql "$NEW_URL" -t -A -c "$query") + +if [[ $table_count -eq 0 ]]; then + if [ -z "$OVERWRITE_DATABASE" ]; then + write_ok "The new database is empty. Proceeding with restore." + fi +else + if [ -z "$OVERWRITE_DATABASE" ]; then + error_exit "The new database is not empty. Aborting migration.\nSet the OVERWRITE_DATABASE environment variable to overwrite the new database." + fi + write_warn "The new database is not empty. Found OVERWRITE_DATABASE environment variable. Proceeding with restore." +fi + +section "Dumping database from PLUGIN_URL" + +# Run pg_dump on the plugin database +dump_file="plugin_dump.sql" +pg_dump -Fc "$PLUGIN_URL" > "$dump_file" || error_exit "Failed to dump database from $PLUGIN_URL." + +write_ok "Successfully saved dump to $dump_file" + +dump_file_size=$(ls -lh "$dump_file" | awk '{print $5}') +echo "Dump file size: $dump_file_size" + +section "Restoring database to NEW_URL" + +# Restore that data to the new database +pg_restore -d "$NEW_URL" "$dump_file" || error_exit "Failed to restore database to $NEW_URL." + +write_ok "Successfully restored database to NEW_URL" + +printf "${_RESET}\n" +printf "${_RESET}\n" +echo "${_BOLD}${_GREEN}Migration completed successfully${_RESET}" +printf "${_RESET}\n" +echo "Next steps..." +echo "1. Update your application's DATABASE_URL environment variable to point to the new database." +echo ' - You can use variable references to do this. For example `${{ Postgres.DATABASE_URL }}`' +echo "2. Verify that your application is working as expected." +echo "3. Remove the legacy plugin and this service from your Railway project." + +printf "${_RESET}\n"