Add Logging examples.

logging/list.js

@@ -0,0 +1,48 @@
+// Copyright 2016, 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.
+
+'use strict';
+
+// [START list]
+// [START auth]
+var projectId = process.env.TEST_PROJECT_ID;
+var keyFilename = process.env.GOOGLE_APPLICATION_CREDENTIALS;
+
+projectId = projectId || '<your-project-id>';
+keyFilename = keyFilename || '/path/to/keyfile.json';
+
+// [START require]
+var gcloud = require('gcloud')({
+  projectId: projectId,
+  keyFilename: keyFilename
+});
+// [END require]
+// [END auth]
+
+var logging = gcloud.logging();
+
+function list(callback) {
+  // Retrieve 3 log entries.
+  logging.getEntries({
+    pageSize: 3
+  }, callback);
+}
+// [END list]
+
+exports.list = list;
+
+if (module === require.main) {
+  list(function (err, result) {
+    console.log(err, result);
+  });
+}

logging/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "nodejs-docs-samples-logging",
+  "description": "Node.js samples for Google Cloud Logging.",
+  "version": "0.0.1",
+  "private": true,
+  "license": "Apache Version 2.0",
+  "scripts": {
+    "list": "node list.js",
+    "write": "node write.js"
+  },
+  "dependencies": {
+    "gcloud": "^0.27.0"
+  }
+}

logging/write.js

@@ -0,0 +1,86 @@
+// Copyright 2016, 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.
+
+/* jshint camelcase:false */
+'use strict';
+
+// [START write]
+// [START setup]
+var projectId = process.env.TEST_PROJECT_ID;
+var keyFilename = process.env.GOOGLE_APPLICATION_CREDENTIALS;
+
+projectId = projectId || '<your-project-id>';
+keyFilename = keyFilename || '/path/to/keyfile.json';
+
+var gcloud = require('gcloud')({
+  projectId: projectId,
+  keyFilename: keyFilename
+});
+
+var logging = gcloud.logging();
+// [END setup]
+
+function write(callback) {
+  var log = logging.log('myLog');
+
+  // Modify this resource type to match a resource in your project
+  // See https://cloud.google.com/logging/docs/api/ref_v2beta1/rest \
+  //       /v2beta1/monitoredResourceDescriptors/list 
+  var resource = {
+    type: 'gae_app',
+    labels: {
+      module_id: 'default',
+      version_id: 'express'
+    }
+  };
+
+  var entry = log.entry(resource, {
+    foo: 'bar'
+  });
+
+  var secondEntry = log.entry(resource, {
+    beep: 'boop'
+  });
+
+  // You can log multiple entries one at a a time, but it is best to write
+  // multiple entires together in a batch.
+  log.write([
+    entry,
+    secondEntry
+  ], callback);
+}
+// [END write]
+
+// [START deleteLog]
+function deleteLog(callback) {
+  var log = logging.log('myLog');
+
+  // Delete the logs
+  log.delete(callback);
+}
+// [END deleteLog]
+
+exports.write = write;
+exports.deleteLog = deleteLog;
+
+if (module === require.main) {
+  write(function (err, apiResponse) {
+    console.log(err, apiResponse);
+    if (err) {
+      return;
+    }
+    deleteLog(function (err, apiResponse) {
+      console.log(err, apiResponse);
+    });
+  });
+}

package.json

@@ -26,11 +26,12 @@
     "coveralls": "cat ./coverage/lcov.info | node_modules/.bin/coveralls",
     "deps_datastore": "cd datastore && npm i && cd ../..",
     "deps_storage": "cd storage && npm i && cd ../..",
+    "deps_logging": "cd logging && npm i && cd ../..",
     "deps_express": "cd appengine/express && npm i && cd ../..",
     "deps_sendgrid": "cd appengine/sendgrid && npm i && cd ../.. && cd computeengine/sendgrid && npm i && cd ../..",
     "deps_memcached": "cd appengine/express-memcached-session && npm i && cd ../..",
     "pretest_geddy": "cd appengine/geddy && npm i geddy; GEDDY_SECRET=config/secrets.json; [[ -f $GEDDY_SECRET ]] || echo '{}' > $GEDDY_SECRET && node node_modules/.bin/geddy gen secret; cd ../..;",
-    "pretest": "npm run deps_datastore && npm run deps_storage && npm run deps_memcached && npm run deps_express && npm run deps_sendgrid && npm run pretest_geddy",
+    "pretest": "npm run deps_datastore && npm run deps_storage && npm run deps_logging && npm run deps_memcached && npm run deps_express && npm run deps_sendgrid && npm run pretest_geddy",
     "test": "npm run jshint && npm run cover"
   },
   "devDependencies": {

test/logging/list.test.js

@@ -0,0 +1,31 @@
+// Copyright 2016, 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.
+
+'use strict';
+
+var assert = require('assert');
+
+var logging = require('../../logging/list');
+
+describe('logging/list', function () {
+  it('should list entries', function (done) {
+    logging.list(function (err, entries) {
+      if (err) {
+        return done(err);
+      }
+      assert.ok(Array.isArray(entries), 'should have got an array');
+      assert.equal(entries.length, 3, 'should have three entries');
+      done();
+    });
+  });
+});

test/logging/write.test.js

@@ -0,0 +1,39 @@
+// Copyright 2016, 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.
+
+'use strict';
+
+var assert = require('assert');
+
+var logging = require('../../logging/write');
+
+describe('logging/write', function () {
+  it('should write entries', function (done) {
+    logging.write(function (err, apiResponse) {
+      if (err) {
+        return done(err);
+      }
+      assert.deepEqual(apiResponse, {}, 'should have correct response');
+      done();
+    });
+  });
+  it('should delete entries', function (done) {
+    logging.deleteLog(function (err, apiResponse) {
+      if (err) {
+        return done(err);
+      }
+      assert.deepEqual(apiResponse, {}, 'should have correct response');
+      done();
+    });
+  });
+});