chore(cloud-sql): migrate mysql, postgres samples to new CI

.github/config/nodejs-dev.jsonc

@@ -101,6 +101,8 @@
     "batch",
     "cloud-language",
     "cloud-sql/mysql/mysql",
+    "cloud-sql/mysql/mysql2",
+    "cloud-sql/postgres/knex",
     "cloud-tasks/snippets",
     "cloud-tasks/tutorial-gcf/app",
     "cloud-tasks/tutorial-gcf/function",

.github/config/nodejs-prod.jsonc

@@ -77,8 +77,6 @@
     // TODO: fix these
     "ai-platform/snippets", // PERMISSION_DENIED: Permission denied: Consumer 'projects/undefined' has been suspended.
     "automl", // (untested) FAILED_PRECONDITION: Google Cloud AutoML Natural Language was retired on March 15, 2024. Please migrate to Vertex AI instead
-    "cloud-sql/mysql/mysql2", // (untested) Error: Cannot find module './connect-connector-with-iam-authn.js'
-    "cloud-sql/postgres/knex", // (untested) CloudSQLConnectorError: Malformed instance connection name provided: expected format of "PROJECT:REGION:INSTANCE", got undefined
     "cloud-sql/sqlserver/mssql", // (untested) TypeError: The "config.server" property is required and must be of type string.
     "cloud-sql/sqlserver/tedious", // (untested) TypeError: The "config.server" property is required and must be of type string.
     "compute", // GoogleError: The resource 'projects/long-door-651/zones/us-central1-a/disks/disk-from-pool-name' was not found

cloud-sql/mysql/mysql2/ci-setup.json

@@ -0,0 +1,14 @@
+{
+    "env": {
+      "INSTANCE_HOST": "127.0.0.1",
+      "INSTANCE_CONNECTION_NAME": "nodejs-docs-samples-tests:us-central1:mysql-ci",
+      "UNIX_SOCKET_DIR": "tmp/cloudsql",
+      "CLOUD_SQL_CONNECTION_NAME": "$INSTANCE_CONNECTION_NAME",
+      "INSTANCE_UNIX_SOCKET": "$UNIX_SOCKET_DIR/$INSTANCE_CONNECTION_NAME",
+      "DB_NAME": "kokoro_ci",
+      "DB_USER": "kokoro_ci"
+    },
+    "secrets": {
+      "DB_PASS": "nodejs-docs-samples-tests/nodejs-docs-samples-sql-password"
+    }
+  }

cloud-sql/mysql/mysql2/index.js

@@ -15,7 +15,7 @@
 'use strict';
 
 const express = require('express');
-const createConnectorIAMAuthnPool = require('./connect-connector-with-iam-authn.js');
+const createConnectorIAMAuthnPool = require('./connect-connector-auto-iam-authn.js');
 const createConnectorPool = require('./connect-connector.js');
 const createTcpPool = require('./connect-tcp.js');
 const createUnixSocketPool = require('./connect-unix.js');
@@ -65,9 +65,7 @@ const createPool = async () => {
     // 'connectTimeout' is the maximum number of milliseconds before a timeout
     // occurs during the initial connection to the database.
     connectTimeout: 10000, // 10 seconds
-    // 'acquireTimeout' is the maximum number of milliseconds to wait when
-    // checking out a connection from the pool before a timeout error occurs.
-    acquireTimeout: 10000, // 10 seconds
+    // 'acquireTimeout' is currently unsupported by mysql2
     // 'waitForConnections' determines the pool's action when no connections are
     // free. If true, the request will queued and a connection will be presented
     // when ready. If false, the pool will call back with an error.
@@ -172,7 +170,7 @@ const httpGet = app.get('/', async (req, res) => {
 
     // Run queries concurrently, and wait for them to complete
     // This is faster than await-ing each query object as it is created
-    const recentVotes = await recentVotesQuery;
+    const [recentVotes] = await recentVotesQuery; // Return only the results, not the field metadata
     const [tabsVotes] = await tabsQuery;
     const [spacesVotes] = await spacesQuery;
 

cloud-sql/mysql/mysql2/package.json

@@ -14,9 +14,7 @@
   "scripts": {
     "start": "node server/server.js",
     "system-test": "c8 mocha -p -j 2 test/server.test.js --timeout=60000 --exit",
-    "system-test-tcp": "c8 mocha -p -j 2 test/server-unix.test.js --timeout=60000 --exit",
-    "system-test-unix": "c8 mocha -p -j 2 test/server-unix.test.js --timeout=60000 --exit",
-    "test": "npm run system-test && npm run system-test-tcp && npm run system-test-unix"
+    "test": "npm run system-test"
   },
   "dependencies": {
     "@google-cloud/cloud-sql-connector": "^1.0.0",

cloud-sql/postgres/knex/ci-setup.json

@@ -0,0 +1,14 @@
+{
+    "env": {
+      "INSTANCE_HOST": "127.0.0.1",
+      "INSTANCE_CONNECTION_NAME": "nodejs-docs-samples-tests:us-central1:postgres-ci",
+      "UNIX_SOCKET_DIR": "tmp/cloudsql",
+      "CLOUD_SQL_CONNECTION_NAME": "$INSTANCE_CONNECTION_NAME",
+      "INSTANCE_UNIX_SOCKET": "$UNIX_SOCKET_DIR/$INSTANCE_CONNECTION_NAME",
+      "DB_NAME": "kokoro_ci",
+      "DB_USER": "kokoro_ci"
+    },
+    "secrets": {
+      "DB_PASS": "nodejs-docs-samples-tests/nodejs-docs-samples-sql-password"
+    }
+  }

cloud-sql/postgres/knex/package.json

@@ -14,8 +14,9 @@
   },
   "scripts": {
     "start": "node server/server.js",
+    "proxy": "$GITHUB_WORKSPACE/.github/workflows/utils/sql-proxy.sh",
     "start-proxy": "! pgrep cloud_sql_proxy > /dev/null && cloud_sql_proxy -dir=/cloudsql -instances=$INSTANCE_CONNECTION_NAME &",
-    "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000 --exit"
+    "test": "npm run proxy -- c8 mocha -p -j 2 test/*.test.js --timeout=60000 --exit"
   },
   "dependencies": {
     "@google-cloud/cloud-sql-connector": "^1.0.0",