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# Getting Started with Google Stackdriver Monitoring API and the Google Cloud Client libraries | ||
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[Google Stackdriver Monitoring API][monitoring] collects metrics, events, and | ||
metadata from Google Cloud Platform, Amazon Web Services (AWS), hosted uptime | ||
probes, application instrumentation, and a variety of common application | ||
components including Cassandra, Nginx, Apache Web Server, Elasticsearch and many | ||
others. | ||
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These sample Java applications demonstrate how to access the Stackdriver | ||
Monitoring API using the [Google Cloud Client Library for Java][google-cloud-java]. | ||
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[monitoring]: https://cloud.google.com/monitoring/docs/ | ||
[google-cloud-java]: https://github.com/GoogleCloudPlatform/google-cloud-java | ||
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## Quickstart | ||
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Install [Maven](http://maven.apache.org/). | ||
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Build your project with: | ||
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mvn clean package -DskipTests | ||
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You can then run a given `ClassName` via: | ||
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mvn exec:java -Dexec.mainClass=com.example.monitoring.ClassName \ | ||
-DpropertyName=propertyValue \ | ||
-Dexec.args="arg1 'arg 2' arg3" | ||
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### Analyze a string for sentiment (using the quickstart sample) | ||
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mvn exec:java -Dexec.mainClass=com.example.monitoring.QuickstartSample \ | ||
-DprojectId=YOUR_PROJECT_ID |
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<!-- | ||
Copyright 2017, 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. | ||
--> | ||
<project> | ||
<modelVersion>4.0.0</modelVersion> | ||
<groupId>com.example.monitoring</groupId> | ||
<artifactId>monitoring-google-cloud-samples</artifactId> | ||
<packaging>jar</packaging> | ||
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<!-- Parent defines config for testing & linting. --> | ||
<parent> | ||
<artifactId>doc-samples</artifactId> | ||
<groupId>com.google.cloud</groupId> | ||
<version>1.0.0</version> | ||
<relativePath>../..</relativePath> | ||
</parent> | ||
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<properties> | ||
<maven.compiler.target>1.8</maven.compiler.target> | ||
<maven.compiler.source>1.8</maven.compiler.source> | ||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> | ||
</properties> | ||
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<dependencies> | ||
<dependency> | ||
<groupId>com.google.cloud</groupId> | ||
<artifactId>google-cloud-monitoring</artifactId> | ||
<version>0.8.1-alpha</version> | ||
</dependency> | ||
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<!-- Test dependencies --> | ||
<dependency> | ||
<groupId>junit</groupId> | ||
<artifactId>junit</artifactId> | ||
<version>4.12</version> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.google.truth</groupId> | ||
<artifactId>truth</artifactId> | ||
<version>0.31</version> | ||
<scope>test</scope> | ||
</dependency> | ||
</dependencies> | ||
</project> |
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monitoring/cloud-client/src/main/java/com/example/monitoring/QuickstartSample.java
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/* | ||
Copyright 2017, 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. | ||
*/ | ||
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package com.example.monitoring; | ||
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// [START monitoring_quickstart] | ||
import com.google.api.Metric; | ||
import com.google.api.MonitoredResource; | ||
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// Imports the Google Cloud client library | ||
import com.google.cloud.monitoring.spi.v3.MetricServiceClient; | ||
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import com.google.monitoring.v3.CreateTimeSeriesRequest; | ||
import com.google.monitoring.v3.Point; | ||
import com.google.monitoring.v3.ProjectName; | ||
import com.google.monitoring.v3.TimeInterval; | ||
import com.google.monitoring.v3.TimeSeries; | ||
import com.google.monitoring.v3.TypedValue; | ||
import com.google.protobuf.util.Timestamps; | ||
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import java.util.ArrayList; | ||
import java.util.HashMap; | ||
import java.util.List; | ||
import java.util.Map; | ||
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public class QuickstartSample { | ||
public static void main(String... args) throws Exception { | ||
// Your Google Cloud Platform project ID | ||
String projectId = System.getProperty("projectId"); | ||
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if (projectId == null) { | ||
System.err.println("Usage: QuickstartSample -DprojectId=YOUR_PROJECT_ID"); | ||
return; | ||
} | ||
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// Instantiates a client | ||
MetricServiceClient metricServiceClient = MetricServiceClient.create(); | ||
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// Prepares an individual data point | ||
TimeInterval interval = TimeInterval.newBuilder() | ||
.setEndTime(Timestamps.fromMillis(System.currentTimeMillis())) | ||
.build(); | ||
TypedValue value = TypedValue.newBuilder() | ||
.setDoubleValue(123.45) | ||
.build(); | ||
Point point = Point.newBuilder() | ||
.setInterval(interval) | ||
.setValue(value) | ||
.build(); | ||
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List<Point> pointList = new ArrayList<>(); | ||
pointList.add(point); | ||
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ProjectName name = ProjectName.create(projectId); | ||
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// Prepares the metric descriptor | ||
Map<String, String> metricLabels = new HashMap<String, String>(); | ||
metricLabels.put("store_id", "Pittsburg"); | ||
Metric metric = Metric.newBuilder() | ||
.setType("custom.googleapis.com/stores/daily_sales") | ||
.putAllLabels(metricLabels) | ||
.build(); | ||
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// Prepares the monitored resource descriptor | ||
Map<String, String> resourceLabels = new HashMap<String, String>(); | ||
resourceLabels.put("project_id", projectId); | ||
MonitoredResource resource = MonitoredResource.newBuilder() | ||
.setType("global") | ||
.putAllLabels(resourceLabels) | ||
.build(); | ||
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// Prepares the time series request | ||
TimeSeries timeSeries = TimeSeries.newBuilder() | ||
.setMetric(metric) | ||
.setResource(resource) | ||
.addAllPoints(pointList) | ||
.build(); | ||
List<TimeSeries> timeSeriesList = new ArrayList<>(); | ||
timeSeriesList.add(timeSeries); | ||
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CreateTimeSeriesRequest request = CreateTimeSeriesRequest.newBuilder() | ||
.setNameWithProjectName(name) | ||
.addAllTimeSeries(timeSeriesList) | ||
.build(); | ||
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// Writes time series data | ||
metricServiceClient.createTimeSeries(request); | ||
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System.out.printf("Done writing time series data.%n"); | ||
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metricServiceClient.close(); | ||
} | ||
} | ||
// [END monitoring_quickstart] |
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monitoring/cloud-client/src/test/java/com/example/monitoring/QuickstartSampleIT.java
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/* | ||
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. | ||
*/ | ||
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package com.example.monitoring; | ||
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import static com.google.common.truth.Truth.assertThat; | ||
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import org.junit.After; | ||
import org.junit.Before; | ||
import org.junit.Test; | ||
import org.junit.runner.RunWith; | ||
import org.junit.runners.JUnit4; | ||
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import java.io.ByteArrayOutputStream; | ||
import java.io.PrintStream; | ||
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/** | ||
* Tests for quickstart sample. | ||
*/ | ||
@RunWith(JUnit4.class) | ||
@SuppressWarnings("checkstyle:abbreviationaswordinname") | ||
public class QuickstartSampleIT { | ||
private ByteArrayOutputStream bout; | ||
private PrintStream out; | ||
private static final String LEGACY_PROJECT_ENV_NAME = "GCLOUD_PROJECT"; | ||
private static final String PROJECT_ENV_NAME = "GOOGLE_CLOUD_PROJECT"; | ||
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private static String getProjectId() { | ||
String projectId = System.getProperty(PROJECT_ENV_NAME, System.getenv(PROJECT_ENV_NAME)); | ||
if (projectId == null) { | ||
projectId = System.getProperty(LEGACY_PROJECT_ENV_NAME, | ||
System.getenv(LEGACY_PROJECT_ENV_NAME)); | ||
} | ||
return projectId; | ||
} | ||
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@Before | ||
public void setUp() { | ||
bout = new ByteArrayOutputStream(); | ||
out = new PrintStream(bout); | ||
System.setOut(out); | ||
} | ||
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@After | ||
public void tearDown() { | ||
System.setOut(null); | ||
} | ||
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@Test | ||
public void testQuickstart() throws Exception { | ||
// Act | ||
System.setProperty("projectId", QuickstartSampleIT.getProjectId()); | ||
QuickstartSample.main(); | ||
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// Assert | ||
String got = bout.toString(); | ||
assertThat(got).contains("Done writing time series data."); | ||
} | ||
} |
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