Adding sample applications for supervisord config (GoogleCloudPlatform#545)

* Adding sample applications for supervisord config

* Removed composer.lock files

* CS fix

Author: Takashi Matsuo

appengine/flexible/supervisord/addition/additional-supervisord.conf

@@ -0,0 +1,11 @@
+[program:quote-updater]
+command = php %(ENV_APP_DIR)s/worker.php
+stdout_logfile = /dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile = /dev/stderr
+stderr_logfile_maxbytes=0
+user = www-data
+autostart = true
+autorestart = true
+priority = 5
+stopwaitsecs = 20

appengine/flexible/supervisord/addition/app.yaml

@@ -0,0 +1,8 @@
+env: flex
+runtime: php
+
+runtime_config:
+  document_root: web
+
+manual_scaling:
+  instances: 1

appengine/flexible/supervisord/addition/composer.json

@@ -0,0 +1,5 @@
+{
+    "require-dev": {
+        "google/cloud-tools": "^0.6.8"
+    }
+}

appengine/flexible/supervisord/addition/phpunit.xml.dist

@@ -0,0 +1,26 @@
+xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="test/bootstrap.php" colors="true">
+    <testsuites>
+        <testsuite>
+            <directory>testdirectory>
+        testsuite>
+    testsuites>
+    <logging>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
+    logging>
+phpunit>

appengine/flexible/supervisord/addition/test/DeployTest.php

@@ -0,0 +1,36 @@
+
+/**
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+namespace Google\Cloud\Samples\AppEngine\Supervisord\Addition;
+
+use Google\Cloud\TestUtils\AppEngineDeploymentTrait;
+use PHPUnit\Framework\TestCase;
+
+class DeployTest extends TestCase
+{
+    use AppEngineDeploymentTrait;
+
+    public function testIndex()
+    {
+        // Wait for the background process to fetch the data.
+        sleep(10);
+        // Access the modules app top page.
+        $resp = $this->client->get('/');
+        $this->assertEquals('200', $resp->getStatusCode(),
+            'top page status code');
+        $this->assertNotEmpty((string) $resp->getBody(), 'top page content');
+    }
+}

appengine/flexible/supervisord/addition/test/bootstrap.php

@@ -0,0 +1,21 @@
+
+/**
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+require __DIR__ . '/../vendor/autoload.php';
+
+use Google\Cloud\TestUtils\PHPUnit4To6Shim;
+
+PHPUnit4To6Shim::install();

appengine/flexible/supervisord/addition/web/index.php

@@ -0,0 +1,3 @@
+
+
+echo file_get_contents('/tmp/currentQuote');

appengine/flexible/supervisord/addition/worker.php

@@ -0,0 +1,39 @@
+
+/**
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This is a dumb worker process for just updating the predefined file with a
+// random quote.
+
+$nextFile = '/tmp/nextQuote';
+$currentFile = '/tmp/currentQuote';
+
+set_time_limit(0);
+
+while (1) {
+    $quote = file_get_contents(
+        'https://api.forismatic.com/api/1.0/?method=getQuote&lang=en&format=json'
+    );
+    if ($quote) {
+        $jsonQuote = json_decode($quote);
+        if (file_put_contents($nextFile, $jsonQuote->quoteText)) {
+            // Atomic update
+            rename($nextFile, $currentFile);
+        }
+    }
+    // Update the quote every hour.
+    sleep(3600);
+}

appengine/flexible/supervisord/replacement/app.yaml

@@ -0,0 +1,8 @@
+env: flex
+runtime: php
+
+runtime_config:
+  document_root: .
+
+manual_scaling:
+  instances: 1

appengine/flexible/supervisord/replacement/composer.json

@@ -0,0 +1,8 @@
+{
+    "require": {
+        "react/http": "^0.8"
+    },
+    "require-dev": {
+        "google/cloud-tools": "^0.6.8"
+    }
+}

appengine/flexible/supervisord/replacement/index.php

@@ -0,0 +1,25 @@
+
+
+require_once __DIR__ . '/vendor/autoload.php';
+
+use Psr\Http\Message\ServerRequestInterface;
+use React\EventLoop\Factory;
+use React\Http\Response;
+use React\Http\Server;
+
+$port = getenv('PORT') ? intval(getenv('PORT')) : 8080;
+
+$loop = Factory::create();
+$server = new Server(function (ServerRequestInterface $request) {
+    return new Response(
+        200,
+        array(
+            'Content-Type' => 'text/plain'
+        ),
+        "Hello World!\n"
+    );
+});
+$socket = new \React\Socket\Server('0.0.0.0:' . $port, $loop);
+$server->listen($socket);
+echo 'Listening on ' . str_replace('tcp:', 'http:', $socket->getAddress()) . PHP_EOL;
+$loop->run();

appengine/flexible/supervisord/replacement/phpunit.xml.dist

@@ -0,0 +1,23 @@
+xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="test/bootstrap.php" colors="true">
+    <testsuites>
+        <testsuite>
+            <directory>testdirectory>
+        testsuite>
+    testsuites>
+phpunit>

appengine/flexible/supervisord/replacement/supervisord.conf

@@ -0,0 +1,17 @@
+[supervisord]
+nodaemon = true
+logfile = /dev/null
+logfile_maxbytes = 0
+pidfile = /var/run/supervisord.pid
+
+[program:react-server]
+command = php %(ENV_APP_DIR)s/index.php
+stdout_logfile = /dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile = /dev/stderr
+stderr_logfile_maxbytes=0
+user = www-data
+autostart = true
+autorestart = true
+priority = 5
+stopwaitsecs = 20

appengine/flexible/supervisord/replacement/test/DeployTest.php

@@ -0,0 +1,38 @@
+
+/**
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+namespace Google\Cloud\Samples\AppEngine\Supervisord\Replacement;
+
+use Google\Cloud\TestUtils\AppEngineDeploymentTrait;
+use PHPUnit\Framework\TestCase;
+
+class DeployTest extends TestCase
+{
+    use AppEngineDeploymentTrait;
+
+    public function testIndex()
+    {
+        // Access the modules app top page.
+        $resp = $this->client->get('/');
+        $this->assertEquals('200', $resp->getStatusCode(),
+            'top page status code');
+        $this->assertEquals(
+            "Hello World!\n",
+            (string) $resp->getBody(),
+            'top page content'
+        );
+    }
+}

appengine/flexible/supervisord/replacement/test/bootstrap.php

@@ -0,0 +1,21 @@
+
+/**
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+require __DIR__ . '/../vendor/autoload.php';
+
+use Google\Cloud\TestUtils\PHPUnit4To6Shim;
+
+PHPUnit4To6Shim::install();