Add support for metric export to OpenTSDB
Dave Syer
10 years ago
committed by
Andy Wilkinson
parent
18928a62df
commit
60a4943520
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import org.springframework.util.ObjectUtils;
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/**
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* A naming strategy that just passes through the metric name, together with tags from a
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* set of static values. Open TSDB requires at least one tag, so one is always added for
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* you: the {@value #PREFIX_KEY} key is added with a unique value "spring.X" where X is an
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* object hash code ID for this (the naming stategy). In most cases this will be unique
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* enough to allow aggregation of the underlying metrics in Open TSDB, but normally it is
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* best to provide your own tags, including a prefix if you know one (overwriting the
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* default).
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*
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* @author Dave Syer
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*/
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public class DefaultOpenTsdbNamingStrategy implements OpenTsdbNamingStrategy {
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public static final String PREFIX_KEY = "prefix";
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/**
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* Tags to apply to every metric. Open TSDB requires at least one tag, so a "prefix"
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* tag is added for you by default.
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*/
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private Map<String, String> tags = new LinkedHashMap<String, String>();
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private Map<String, OpenTsdbName> cache = new HashMap<String, OpenTsdbName>();
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public DefaultOpenTsdbNamingStrategy() {
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this.tags.put(PREFIX_KEY,
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"spring." + ObjectUtils.getIdentityHexString(this));
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}
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public void setTags(Map<String, String> staticTags) {
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this.tags.putAll(staticTags);
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}
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@Override
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public OpenTsdbName getName(String name) {
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if (this.cache.containsKey(name)) {
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return this.cache.get(name);
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}
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OpenTsdbName value = new OpenTsdbName(name);
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value.setTags(this.tags);
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this.cache.put(name, value);
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return value;
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}
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}
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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import java.util.Map;
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/**
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* @author Dave Syer
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*/
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public class OpenTsdbData {
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private OpenTsdbName name;
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private Long timestamp;
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private Number value;
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protected OpenTsdbData() {
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this.name = new OpenTsdbName();
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}
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public OpenTsdbData(String metric, Number value) {
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this(metric, value, System.currentTimeMillis());
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}
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public OpenTsdbData(String metric, Number value, Long timestamp) {
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this(new OpenTsdbName(metric), value, timestamp);
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}
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public OpenTsdbData(OpenTsdbName name, Number value, Long timestamp) {
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this.name = name;
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this.value = value;
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this.timestamp = timestamp;
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}
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public String getMetric() {
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return this.name.getMetric();
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}
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public void setMetric(String metric) {
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this.name.setMetric(metric);
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}
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public Long getTimestamp() {
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return this.timestamp;
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}
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public void setTimestamp(Long timestamp) {
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this.timestamp = timestamp;
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}
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public Number getValue() {
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return this.value;
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}
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public void setValue(Number value) {
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this.value = value;
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}
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public Map<String, String> getTags() {
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return this.name.getTags();
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}
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public void setTags(Map<String, String> tags) {
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this.name.setTags(tags);
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}
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}
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.boot.actuate.metrics.Metric;
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import org.springframework.boot.actuate.metrics.writer.Delta;
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import org.springframework.boot.actuate.metrics.writer.MetricWriter;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.web.client.RestTemplate;
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/**
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* A {@link MetricWriter} for the Open TSDB database (version 2.0), writing metrics to the
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* HTTP endpoint provided by the server. Data are buffered according to the
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* {@link #setBufferSize(int) bufferSize} property, and only flushed automatically when
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* the buffer size is reached. Users should either manually {@link #flush()} after writing
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* a batch of data if that makes sense, or consider adding a {@link Scheduled
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* <code>@Scheduled</code>} task to flush periodically.
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*
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* @author Dave Syer
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*/
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public class OpenTsdbHttpMetricWriter implements MetricWriter {
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private static final Log logger = LogFactory.getLog(OpenTsdbHttpMetricWriter.class);
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private RestTemplate restTemplate = new RestTemplate();
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/**
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* URL for POSTing data. Defaults to http://localhost:4242/api/put.
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*/
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private String url = "http://localhost:4242/api/put";
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/**
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* Buffer size to fill before posting data to server.
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*/
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private int bufferSize = 64;
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/**
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* The media type to use to serialize and accept responses from the server. Defaults
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* to "application/json".
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*/
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private MediaType mediaType = MediaType.APPLICATION_JSON;
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private List<OpenTsdbData> buffer = new ArrayList<OpenTsdbData>(this.bufferSize);
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private OpenTsdbNamingStrategy namingStrategy = new DefaultOpenTsdbNamingStrategy();
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public RestTemplate getRestTemplate() {
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return this.restTemplate;
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}
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public void setRestTemplate(RestTemplate restTemplate) {
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this.restTemplate = restTemplate;
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}
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public void setUrl(String url) {
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this.url = url;
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}
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public void setBufferSize(int bufferSize) {
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this.bufferSize = bufferSize;
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}
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public void setMediaType(MediaType mediaType) {
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this.mediaType = mediaType;
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}
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public void setNamingStrategy(OpenTsdbNamingStrategy namingStrategy) {
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this.namingStrategy = namingStrategy;
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}
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@Override
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public void increment(Delta<?> delta) {
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throw new UnsupportedOperationException("Counters not supported via increment");
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}
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@Override
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public void set(Metric<?> value) {
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OpenTsdbData data = new OpenTsdbData(
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this.namingStrategy.getName(value.getName()), value.getValue(), value
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.getTimestamp().getTime());
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this.buffer.add(data);
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if (this.buffer.size() >= this.bufferSize) {
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flush();
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}
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}
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/**
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* Flush the buffer without waiting for it to fill any further.
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*/
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public void flush() {
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if (this.buffer.isEmpty()) {
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return;
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}
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List<OpenTsdbData> temp = new ArrayList<OpenTsdbData>();
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synchronized (this.buffer) {
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temp.addAll(this.buffer);
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this.buffer.clear();
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}
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HttpHeaders headers = new HttpHeaders();
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headers.setAccept(Arrays.asList(this.mediaType));
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headers.setContentType(this.mediaType);
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HttpEntity<List<OpenTsdbData>> request = new HttpEntity<List<OpenTsdbData>>(temp,
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headers);
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@SuppressWarnings("rawtypes")
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ResponseEntity<Map> response = this.restTemplate.postForEntity(this.url, request,
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Map.class);
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if (!response.getStatusCode().is2xxSuccessful()) {
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logger.warn("Cannot write metrics (discarded " + temp.size() + " values): "
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+ response.getBody());
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}
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}
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@Override
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public void reset(String metricName) {
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set(new Metric<Long>(metricName, 0L));
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}
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}
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@ -0,0 +1,58 @@
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* @author Dave Syer
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*/
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public class OpenTsdbName {
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private String metric;
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private Map<String, String> tags = new LinkedHashMap<String, String>();
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protected OpenTsdbName() {
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}
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public OpenTsdbName(String metric) {
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this.metric = metric;
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}
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public String getMetric() {
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return this.metric;
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}
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public void setMetric(String metric) {
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this.metric = metric;
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}
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public Map<String, String> getTags() {
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return this.tags;
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}
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public void setTags(Map<String, String> tags) {
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this.tags.putAll(tags);
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}
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public void tag(String name, String value) {
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this.tags.put(name, value);
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}
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}
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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/**
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* @author Dave Syer
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*/
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public interface OpenTsdbNamingStrategy {
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OpenTsdbName getName(String metricName);
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}
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Metrics integration with OpenTSDB.
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*/
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package org.springframework.boot.actuate.metrics.opentsdb;
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@ -0,0 +1,59 @@
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/*
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* Copyright 2012-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.metrics.writer;
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import java.io.Flushable;
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import java.lang.reflect.Method;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.boot.actuate.metrics.export.MetricCopyExporter;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.ReflectionUtils;
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/**
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* @author Dave Syer
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*/
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public class WriterUtils {
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private static final Log logger = LogFactory.getLog(MetricCopyExporter.class);
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public static void flush(MetricWriter writer) {
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if (writer instanceof CompositeMetricWriter) {
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for (MetricWriter element : (CompositeMetricWriter) writer) {
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flush(element);
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}
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}
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try {
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if (ClassUtils.isPresent("java.io.Flushable", null)) {
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if (writer instanceof Flushable) {
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((Flushable) writer).flush();
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return;
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}
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}
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Method method = ReflectionUtils.findMethod(writer.getClass(), "flush");
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if (method != null) {
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ReflectionUtils.invokeMethod(method, writer);
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}
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}
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catch (Exception e) {
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logger.warn("Could not flush MetricWriter: " + e.getClass() + ": "
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+ e.getMessage());
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}
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}
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}
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Spring Boot sample with Open TSDB export for metrics.
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Start opentsdb, e.g. with [Docker Compose]()
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[source,indent=0]
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----
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$ docker-compose up
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----
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Run the app and ping the home page (http://localhost:8080) a few times. Go and look at
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the result in the TDB UI, e.g.
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[source,indent=0]
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----
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$ curl localhost:4242/api/query?start=1h-ago&m=max:counter.status.200.root
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[
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{
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"metric": "counter.status.200.root",
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"tags": {
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"prefix": "spring.b968a76"
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},
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"aggregateTags": [],
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"dps": {
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"1430492872": 2,
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"1430492875": 6
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}
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}
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]
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----
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@ -0,0 +1,4 @@
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opentsdb:
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image: lancope/opentsdb
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ports:
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- "4242:4242"
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@ -0,0 +1,44 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<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/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<!-- Your own application should inherit from spring-boot-starter-parent -->
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-samples</artifactId>
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<version>1.3.0.BUILD-SNAPSHOT</version>
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</parent>
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<artifactId>spring-boot-sample-metrics-opentsdb</artifactId>
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<name>spring-boot-sample-metrics-opentsdb</name>
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<description>Spring Boot Actuator Sample</description>
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<url>http://projects.spring.io/spring-boot/</url>
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||||
<organization>
|
||||
<name>Pivotal Software, Inc.</name>
|
||||
<url>http://www.spring.io</url>
|
||||
</organization>
|
||||
<properties>
|
||||
<main.basedir>${basedir}/../..</main.basedir>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-actuator</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-web</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-test</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
</project>
|
||||
@ -0,0 +1,40 @@
|
||||
/*
|
||||
* Copyright 2012-2013 the original author or authors.
|
||||
*
|
||||
* 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 sample.metrics.opentsdb;
|
||||
|
||||
import org.springframework.boot.context.properties.ConfigurationProperties;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
@Component
|
||||
@ConfigurationProperties(prefix = "service", ignoreUnknownFields = false)
|
||||
public class HelloWorldService {
|
||||
|
||||
private String name = "World";
|
||||
|
||||
public String getName() {
|
||||
return this.name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getHelloMessage() {
|
||||
return "Hello " + this.name;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,58 @@
|
||||
/*
|
||||
* Copyright 2012-2013 the original author or authors.
|
||||
*
|
||||
* 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 sample.metrics.opentsdb;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.Map;
|
||||
|
||||
import org.hibernate.validator.constraints.NotBlank;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.context.annotation.Description;
|
||||
import org.springframework.stereotype.Controller;
|
||||
import org.springframework.web.bind.annotation.RequestMapping;
|
||||
import org.springframework.web.bind.annotation.RequestMethod;
|
||||
import org.springframework.web.bind.annotation.ResponseBody;
|
||||
|
||||
@Controller
|
||||
@Description("A controller for handling requests for hello messages")
|
||||
public class SampleController {
|
||||
|
||||
@Autowired
|
||||
private HelloWorldService helloWorldService;
|
||||
|
||||
@RequestMapping(value = "/", method = RequestMethod.GET)
|
||||
@ResponseBody
|
||||
public Map<String, String> hello() {
|
||||
return Collections.singletonMap("message",
|
||||
this.helloWorldService.getHelloMessage());
|
||||
}
|
||||
|
||||
protected static class Message {
|
||||
|
||||
@NotBlank(message = "Message value cannot be empty")
|
||||
private String value;
|
||||
|
||||
public String getValue() {
|
||||
return this.value;
|
||||
}
|
||||
|
||||
public void setValue(String value) {
|
||||
this.value = value;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,49 @@
|
||||
/*
|
||||
* Copyright 2012-2013 the original author or authors.
|
||||
*
|
||||
* 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 sample.metrics.opentsdb;
|
||||
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.actuate.metrics.opentsdb.DefaultOpenTsdbNamingStrategy;
|
||||
import org.springframework.boot.actuate.metrics.opentsdb.OpenTsdbHttpMetricWriter;
|
||||
import org.springframework.boot.actuate.metrics.opentsdb.OpenTsdbNamingStrategy;
|
||||
import org.springframework.boot.actuate.metrics.writer.MetricWriter;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.boot.context.properties.ConfigurationProperties;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
|
||||
@SpringBootApplication
|
||||
public class SampleOpenTsdbExportApplication {
|
||||
|
||||
public static void main(String[] args) throws Exception {
|
||||
SpringApplication.run(SampleOpenTsdbExportApplication.class, args);
|
||||
}
|
||||
|
||||
@Bean
|
||||
@ConfigurationProperties("metrics.export")
|
||||
public MetricWriter openTsdbMetricWriter() {
|
||||
OpenTsdbHttpMetricWriter writer = new OpenTsdbHttpMetricWriter();
|
||||
writer.setNamingStrategy(namingStrategy());
|
||||
return writer;
|
||||
}
|
||||
|
||||
@Bean
|
||||
@ConfigurationProperties("metrics.names")
|
||||
public OpenTsdbNamingStrategy namingStrategy() {
|
||||
return new DefaultOpenTsdbNamingStrategy();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1 @@
|
||||
service.name: Phil
|
||||
@ -0,0 +1,44 @@
|
||||
/*
|
||||
* Copyright 2012-2014 the original author or authors.
|
||||
*
|
||||
* 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 sample.metrics.opentsdb;
|
||||
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.springframework.boot.test.IntegrationTest;
|
||||
import org.springframework.boot.test.SpringApplicationConfiguration;
|
||||
import org.springframework.test.annotation.DirtiesContext;
|
||||
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
|
||||
import org.springframework.test.context.web.WebAppConfiguration;
|
||||
|
||||
/**
|
||||
* Basic integration tests for {@link SampleOpenTsdbExportApplication}.
|
||||
*
|
||||
* @author Dave Syer
|
||||
*/
|
||||
@RunWith(SpringJUnit4ClassRunner.class)
|
||||
@SpringApplicationConfiguration(classes = SampleOpenTsdbExportApplication.class)
|
||||
@WebAppConfiguration
|
||||
@IntegrationTest("server.port=0")
|
||||
@DirtiesContext
|
||||
public class SampleOpenTsdbExportApplicationTests {
|
||||
|
||||
@Test
|
||||
public void contextLoads() {
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue