[ONOS-4128] Backup metrics of MetricsService to Graphite monitoring server
- Separate individual app
- Initial implementation of metric service reporter
- Add unit test
Change-Id: I8f89b4dba2f6b7f311f147b776faa7d5160098e0
diff --git a/apps/graphitemetrics/features.xml b/apps/graphitemetrics/features.xml
new file mode 100644
index 0000000..c989be4
--- /dev/null
+++ b/apps/graphitemetrics/features.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+ ~ Copyright 2016 Open Networking Laboratory
+ ~
+ ~ 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.
+ -->
+<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
+ <feature name="${project.artifactId}" version="${project.version}"
+ description="${project.description}">
+ <feature>onos-api</feature>
+ <bundle>mvn:${project.groupId}/onos-app-graphite/${project.version}</bundle>
+ <bundle>mvn:io.dropwizard.metrics/metrics-core/3.1.2</bundle>
+ <bundle>mvn:io.dropwizard.metrics/metrics-graphite/3.1.2</bundle>
+ </feature>
+</features>
diff --git a/apps/graphitemetrics/pom.xml b/apps/graphitemetrics/pom.xml
new file mode 100644
index 0000000..349b733
--- /dev/null
+++ b/apps/graphitemetrics/pom.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2016 Open Networking Laboratory
+ ~
+ ~ 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 xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-apps</artifactId>
+ <version>1.6.0-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <artifactId>onos-app-graphite</artifactId>
+ <packaging>bundle</packaging>
+
+ <description>Performance metric service reporter and retriever for graphite</description>
+
+ <properties>
+ <onos.app.name>org.onosproject.graphitemetrics</onos.app.name>
+ <onos.app.title>Graphite Report and Query App</onos.app.title>
+ <onos.app.category>Monitoring</onos.app.category>
+ <onos.app.url>http://onosproject.org</onos.app.url>
+ <metrics.version>3.1.2</metrics.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onlab-misc</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-cli</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.karaf.shell</groupId>
+ <artifactId>org.apache.karaf.shell.console</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.scr.annotations</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>io.dropwizard.metrics</groupId>
+ <artifactId>metrics-core</artifactId>
+ <version>${metrics.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>io.dropwizard.metrics</groupId>
+ <artifactId>metrics-graphite</artifactId>
+ <version>${metrics.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <version>${project.version}</version>
+ <classifier>tests</classifier>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onlab-junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.easymock</groupId>
+ <artifactId>easymock</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <version>${project.version}</version>
+ <classifier>tests</classifier>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git a/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/GraphiteMetricsReporter.java b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/GraphiteMetricsReporter.java
new file mode 100644
index 0000000..46ddd15
--- /dev/null
+++ b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/GraphiteMetricsReporter.java
@@ -0,0 +1,236 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.graphitemetrics;
+
+
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.graphite.Graphite;
+import com.codahale.metrics.graphite.GraphiteReporter;
+import org.apache.commons.lang.StringUtils;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onlab.util.Tools;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onlab.metrics.MetricsService;
+import org.onosproject.cfg.ComponentConfigService;
+import org.osgi.service.component.ComponentContext;
+import org.slf4j.Logger;
+import java.net.InetSocketAddress;
+import java.util.Dictionary;
+import java.util.concurrent.TimeUnit;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * A metric report that reports all metrics value to graphite monitoring server.
+ */
+@Component(immediate = true)
+public class GraphiteMetricsReporter {
+
+ private final Logger log = getLogger(getClass());
+
+ private static final TimeUnit REPORT_TIME_UNIT = TimeUnit.MINUTES;
+ private static final int DEFAULT_REPORT_PERIOD = 1;
+
+ private static final String DEFAULT_METRIC_NAMES = "default";
+ private static final String DEFAULT_ADDRESS = "localhost";
+ private static final int DEFAULT_PORT = 2003;
+ private static final String DEFAULT_METRIC_NAME_PREFIX = "onos";
+
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected MetricsService metricsService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected ComponentConfigService cfgService;
+
+ @Property(name = "monitorAll", boolValue = true,
+ label = "Enable to monitor all of metrics stored in metric registry default is true")
+ protected boolean monitorAll = true;
+
+ @Property(name = "metricNames", value = DEFAULT_METRIC_NAMES,
+ label = "Names of metric to be monitored; default metric names are 'default'")
+ protected String metricNames = DEFAULT_METRIC_NAMES;
+
+ @Property(name = "address", value = DEFAULT_ADDRESS,
+ label = "IP address of graphite monitoring server; default is localhost")
+ protected String address = DEFAULT_ADDRESS;
+
+ @Property(name = "port", intValue = DEFAULT_PORT,
+ label = "Port number of graphite monitoring server; default is 2003")
+ protected int port = DEFAULT_PORT;
+
+ @Property(name = "reportPeriod", intValue = DEFAULT_REPORT_PERIOD,
+ label = "Reporting period of graphite monitoring server; default is 1")
+ protected int reportPeriod = DEFAULT_REPORT_PERIOD;
+
+ @Property(name = "metricNamePrefix", value = DEFAULT_METRIC_NAME_PREFIX,
+ label = "Prefix of metric name for graphite back-end server; default is 'onos'")
+ protected String metricNamePrefix = DEFAULT_METRIC_NAME_PREFIX;
+
+
+ private ApplicationId appId;
+ private Graphite graphite;
+ private GraphiteReporter graphiteReporter;
+
+ @Activate
+ public void activate() {
+ cfgService.registerProperties(getClass());
+ appId = coreService.registerApplication("org.onosproject.metrics.reporter");
+
+ startReport();
+ log.info("Started");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ cfgService.unregisterProperties(getClass(), false);
+
+ stopReport();
+ log.info("Stopped");
+ }
+
+ @Modified
+ public void modified(ComponentContext context) {
+ readComponentConfiguration(context);
+
+ // Restarts reporting
+ stopReport();
+ startReport();
+ }
+
+ public void startReport() {
+ try {
+ graphite = new Graphite(new InetSocketAddress(address, port));
+
+ MetricRegistry metricRegistry = metricsService.getMetricRegistry();
+
+ graphiteReporter = GraphiteReporter.forRegistry(filter(metricRegistry))
+ .prefixedWith(metricNamePrefix)
+ .convertRatesTo(TimeUnit.SECONDS)
+ .convertDurationsTo(TimeUnit.MILLISECONDS)
+ .build(graphite);
+
+ graphiteReporter.start(reportPeriod, REPORT_TIME_UNIT);
+ log.info("Start to report metrics to graphite.");
+ } catch (Exception e) {
+ log.error("Fail to connect to given graphite server! : " + e.getMessage());
+ }
+ }
+
+ public void stopReport() {
+ graphiteReporter.stop();
+ graphite = null;
+ graphiteReporter = null;
+ }
+
+ /**
+ * Filters the metrics to only include a set of the given metrics.
+ *
+ * @param metricRegistry original metric registry
+ * @return filtered metric registry
+ */
+ protected MetricRegistry filter(MetricRegistry metricRegistry) {
+ if (!monitorAll) {
+ final MetricRegistry filtered = new MetricRegistry();
+ metricRegistry.getNames().stream().filter(name ->
+ containsName(name, metricNames)).forEach(name ->
+ filtered.register(name, metricRegistry.getMetrics().get(name)));
+ return filtered;
+ } else {
+ return metricRegistry;
+ }
+ }
+
+ /**
+ * Looks up whether the metric name contains the given prefix keywords.
+ * Note that the keywords are separated with comma as delimiter
+ *
+ * @param full the original metric name that to be compared with
+ * @param prefixes the prefix keywords that are matched against with the metric name
+ * @return boolean value that denotes whether the metric name starts with the given prefix
+ */
+ protected boolean containsName(String full, String prefixes) {
+ String[] prefixArray = StringUtils.split(prefixes, ",");
+ for (String prefix : prefixArray) {
+ if (StringUtils.startsWith(full, StringUtils.trimToEmpty(prefix))) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Extracts properties from the component configuration context.
+ *
+ * @param context the component context
+ */
+ private void readComponentConfiguration(ComponentContext context) {
+ Dictionary<?, ?> properties = context.getProperties();
+
+ Boolean newMonitorAll = Tools.isPropertyEnabled(properties, "monitorAll");
+ if (newMonitorAll == null) {
+ log.info("Monitor all metrics is not configured, " +
+ "using current value of {}", monitorAll);
+ } else {
+ monitorAll = newMonitorAll;
+ log.info("Configured. Monitor all metrics is {}, ",
+ monitorAll ? "enabled" : "disabled");
+ }
+
+ String newMetricNames = Tools.get(properties, "metricNames");
+ metricNames = newMetricNames != null ? newMetricNames : DEFAULT_METRIC_NAMES;
+ log.info("Configured. Metric name is {}", metricNames);
+
+ String newAddress = Tools.get(properties, "address");
+ address = newAddress != null ? newAddress : DEFAULT_ADDRESS;
+ log.info("Configured. Graphite monitoring server address is {}", address);
+
+ Integer newPort = Tools.getIntegerProperty(properties, "port");
+ if (newPort == null) {
+ port = DEFAULT_PORT;
+ log.info("Graphite port is not configured, default value is {}", port);
+ } else {
+ port = newPort;
+ log.info("Configured. Graphite port is configured to {}", port);
+ }
+
+ Integer newReportPeriod = Tools.getIntegerProperty(properties, "reportPeriod");
+ if (newReportPeriod == null) {
+ reportPeriod = DEFAULT_REPORT_PERIOD;
+ log.info("Report period of graphite server is not configured, " +
+ "default value is {}", reportPeriod);
+ } else {
+ reportPeriod = newReportPeriod;
+ log.info("Configured. Report period of graphite server" +
+ " is configured to {}", reportPeriod);
+ }
+
+ String newMetricNamePrefix = Tools.get(properties, "metricNamePrefix");
+ metricNamePrefix = newMetricNamePrefix != null ?
+ newMetricNamePrefix : DEFAULT_METRIC_NAME_PREFIX;
+
+ }
+}
\ No newline at end of file
diff --git a/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/package-info.java b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/package-info.java
new file mode 100644
index 0000000..8cc8191
--- /dev/null
+++ b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * Application that provides capability to report metrics to and from
+ * graphite monitoring server.
+ */
+package org.onosproject.graphitemetrics;
\ No newline at end of file
diff --git a/apps/graphitemetrics/src/test/java/org/onosproject/graphitemetrics/GraphiteMetricsReporterTest.java b/apps/graphitemetrics/src/test/java/org/onosproject/graphitemetrics/GraphiteMetricsReporterTest.java
new file mode 100644
index 0000000..91c5952
--- /dev/null
+++ b/apps/graphitemetrics/src/test/java/org/onosproject/graphitemetrics/GraphiteMetricsReporterTest.java
@@ -0,0 +1,250 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.graphitemetrics;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.Gauge;
+import com.codahale.metrics.Histogram;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.Metric;
+import com.codahale.metrics.MetricFilter;
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Timer;
+import com.google.common.collect.ImmutableSet;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.metrics.MetricsComponent;
+import org.onlab.metrics.MetricsFeature;
+import org.onlab.metrics.MetricsService;
+import org.onosproject.cfg.ComponentConfigAdapter;
+import org.onosproject.core.CoreServiceAdapter;
+
+import java.util.Map;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Unit test for metrics reporter of graphite.
+ */
+public class GraphiteMetricsReporterTest {
+
+ private GraphiteMetricsReporter gmr;
+
+ private static final String METRIC_NAME1 = "consistentMap.onos-app-ids.putIfAbsent";
+ private static final String METRIC_NAME2 = "consistentMap.onos-hosts.entrySet";
+ private static final String METRIC_NAME3 = "clusterCommunication.endpoint.*";
+ private static final String METRIC_NAME4 = "atomicCounter.onos-app-id-counter.*";
+
+ private static final String PREFIXES1 = "consistentMap";
+ private static final String PREFIXES2 = "topology";
+ private static final String PREFIXES3 = "consistentMap.onos-app-ids";
+ private static final String PREFIXES4 = "consistentMap, clusterCommunication, atomicCounter";
+
+ /**
+ * Sets up graphite metrics reporter instance.
+ */
+ @Before
+ public void setUp() {
+ gmr = new GraphiteMetricsReporter();
+ gmr.coreService = new CoreServiceAdapter();
+ gmr.cfgService = new ComponentConfigAdapter();
+ gmr.metricsService = new TestMetricsService();
+ gmr.activate();
+ }
+
+ /**
+ * Tears down graphite metrics reporter instance.
+ */
+ public void tearDown() {
+ gmr.deactivate();
+ }
+
+ /**
+ * Tests whether the containsName method can always return the correct result
+ * with the given metric name and a set of prefixes.
+ */
+ @Test
+ public void testContainsName() {
+ assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES1));
+ assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES3));
+ assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES4));
+ assertTrue(gmr.containsName(METRIC_NAME2, PREFIXES4));
+ assertTrue(gmr.containsName(METRIC_NAME3, PREFIXES4));
+ assertTrue(gmr.containsName(METRIC_NAME4, PREFIXES4));
+ assertFalse(gmr.containsName(METRIC_NAME1, PREFIXES2));
+ }
+
+ /**
+ * Tests whether the filter method can always return the correct result.
+ */
+ @Test
+ public void testFilter() {
+ MetricRegistry filtered;
+ MetricRegistry full = new MetricRegistry();
+ full.meter(METRIC_NAME1);
+ full.meter(METRIC_NAME2);
+ full.meter(METRIC_NAME3);
+ full.meter(METRIC_NAME4);
+
+ gmr.monitorAll = true;
+ filtered = gmr.filter(full);
+
+ assertTrue(filtered.getNames()
+ .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2,
+ METRIC_NAME3, METRIC_NAME4)));
+
+ gmr.monitorAll = false;
+ gmr.metricNames = PREFIXES1;
+ filtered = gmr.filter(full);
+
+ assertTrue(filtered.getNames()
+ .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2)));
+ assertFalse(filtered.getNames()
+ .containsAll(ImmutableSet.of(METRIC_NAME3, METRIC_NAME4)));
+
+ gmr.metricNames = PREFIXES2;
+ filtered = gmr.filter(full);
+
+ assertFalse(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME1)));
+
+ gmr.metricNames = PREFIXES3;
+ filtered = gmr.filter(full);
+
+ assertTrue(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME1)));
+ assertFalse(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME2)));
+
+ gmr.metricNames = PREFIXES4;
+ filtered = gmr.filter(full);
+
+ assertTrue(filtered.getNames()
+ .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2,
+ METRIC_NAME3, METRIC_NAME4)));
+ }
+
+ /**
+ * Tests whether the methods of MetricsService receives null value parameter.
+ */
+ private class TestMetricsService implements MetricsService {
+
+ @Override
+ public MetricsComponent registerComponent(String name) {
+ assertNotNull("Component name is null.", name);
+ return null;
+ }
+
+ @Override
+ public MetricRegistry getMetricRegistry() {
+ return null;
+ }
+
+ @Override
+ public Counter createCounter(MetricsComponent component,
+ MetricsFeature feature, String metricName) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ return null;
+ }
+
+ @Override
+ public Histogram createHistogram(MetricsComponent component,
+ MetricsFeature feature, String metricName) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ return null;
+ }
+
+ @Override
+ public Timer createTimer(MetricsComponent component,
+ MetricsFeature feature, String metricName) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ return null;
+ }
+
+ @Override
+ public Meter createMeter(MetricsComponent component,
+ MetricsFeature feature, String metricName) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ return null;
+ }
+
+ @Override
+ public <T extends Metric> T registerMetric(MetricsComponent component,
+ MetricsFeature feature, String metricName, T metric) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ assertNotNull("Metric is null.", metric);
+ return null;
+ }
+
+ @Override
+ public boolean removeMetric(MetricsComponent component,
+ MetricsFeature feature, String metricName) {
+ assertNotNull("MetricsComponent is null.", component);
+ assertNotNull("MetricsFeature is null.", feature);
+ assertNotNull("Metric name is null.", metricName);
+ return false;
+ }
+
+ @Override
+ public Map<String, Timer> getTimers(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ return null;
+ }
+
+ @Override
+ public Map<String, Gauge> getGauges(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ return null;
+ }
+
+ @Override
+ public Map<String, Counter> getCounters(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ return null;
+ }
+
+ @Override
+ public Map<String, Meter> getMeters(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ return null;
+ }
+
+ @Override
+ public Map<String, Histogram> getHistograms(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ return null;
+ }
+
+ @Override
+ public Map<String, Metric> getMetrics() {
+ return null;
+ }
+
+ @Override
+ public void removeMatching(MetricFilter filter) {
+ assertNotNull("MetricFilter is null.", filter);
+ }
+ }
+}
diff --git a/apps/pom.xml b/apps/pom.xml
index 4799f9d..e271d44 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -70,6 +70,7 @@
<module>openstackinterface</module>
<module>influxdbmetrics</module>
<module>gangliametrics</module>
+ <module>graphitemetrics</module>
</modules>
<properties>