Adding esplugin integaration tests

Closes vvanholl#127

Author: lukas-vlcek

.gitignore

@@ -1,3 +1,8 @@
+# I do not know why this file is left in the <ROOT> after `gradle build` or `gradle check`
+# and why `gradle clean` does not delete it.
+# See https://discuss.elastic.co/t/leftovers-after-integtestrunner-in-root/152610
+\.local*-integTestRunner-execution-times.log
+
 # Eclipse
 .classpath
 .project
@@ -7,10 +12,13 @@
 .idea/
 *.iml
 *.iws
+*.ipr
 
 # Gradle
 .gradle
 build
+gradle-wrapper.jar
+gradle-wrapper.properties
 
 # Mac
 .DS_Store

NOTICE.txt

@@ -0,0 +1,2 @@
+This product includes software developed by Prometheus.io
+and contributors (https://github.com/prometheus/client_java).

build.gradle

@@ -1,12 +1,46 @@
 import com.github.mgk.gradle.*
 
+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+        jcenter()
+    }
+
+    dependencies {
+        classpath "org.elasticsearch.gradle:build-tools:6.4.2" // How can we use ${versions.elasticsearch} here ???
+    }
+}
+
 plugins {
     id "java"
     id "checkstyle"
     id "co.riiid.gradle" version "0.4.2"
     id "com.github.mgk.gradle.s3" version "1.4.0"
 }
 
+apply plugin: 'java'
+apply plugin: 'idea'
+apply plugin: 'elasticsearch.esplugin'
+
+// license of this project
+licenseFile = rootProject.file('LICENSE.txt')
+// copyright notices
+noticeFile = rootProject.file('NOTICE.txt')
+
+// dependency license check needs can be enabled
+dependencyLicenses.enabled = false
+
+// thirdparty audit needs can be enabled
+thirdPartyAudit.enabled = false
+
+// license header checks can be disabled
+licenseHeaders.enabled = true
+
+// There are only integration tests
+integTestRunner.enabled = true
+test.enabled = false
+
 println "Host: " + java.net.InetAddress.getLocalHost()
 println "Gradle: " + gradle.gradleVersion + " JVM: " + org.gradle.internal.jvm.Jvm.current() + " Groovy: " + GroovySystem.getVersion()
 println "Build: group: '${project.group}', name: '${project.name}', version: '${project.version}'"
@@ -21,7 +55,7 @@ ext {
     versions = [
         "elasticsearch": version.replaceAll(/\.[0-9]+(|-SNAPSHOT)$/, ""),
         "prometheus"   : "0.4.0",
-        "log4j"        : "2.9.1",
+        "log4j"        : "2.11.1",
         "junit"        : "4.12"
     ]
 }
@@ -48,49 +82,25 @@ tasks.withType(JavaCompile) {
     options.compilerArgs << "-Xlint:unchecked,deprecation"
 }
 
-task javadocJar(type: Jar, dependsOn: classes) {
-    from javadoc
-    into "build/tmp"
-    classifier "javadoc"
-}
-
-task sourcesJar(type: Jar, dependsOn: classes) {
-    from sourceSets.main.allSource
-    into "build/tmp/sources"
-    classifier "sources"
-}
-
-task copyPluginFiles(type: Copy) {
-    from "src/main/templates"
-    into "build/tmp/plugin"
-    expand([
-        "descriptor": [
-            "name"                : pluginName,
-            "classname"           : pluginClassname,
-            "description"         : pluginDescription,
-            "version"             : project.property("version"),
-            "javaVersion"         : project.property("targetCompatibility"),
-            "elasticsearchVersion": versions.elasticsearch
-        ]
-    ])
-    outputs.upToDateWhen { false }
-}
-
-task buildPluginZip(type: Zip, dependsOn: [":jar", "copyPluginFiles"]) {
-    from configurations.releaseJars
-    from "build/tmp/plugin"
+esplugin {
+    licenseFile rootProject.file('LICENSE.txt')
+    noticeFile rootProject.file('NOTICE.txt')
+    name pluginName
+    description pluginDescription
+    classname pluginClassname
 }
 
-artifacts {
-    archives javadocJar, sourcesJar, buildPluginZip
+integTestCluster {
+    numNodes = 2
+    clusterName = "PrometheusExporterITCluster"
 }
 
 checkstyle {
     configFile = new File(rootDir, "checkstyle.xml")
     toolVersion = "8.2"
 }
 
-task S3Upload(type: S3Upload, dependsOn: buildPluginZip) {
+task S3Upload(type: S3Upload /*, dependsOn: buildPluginZip*/) {
     bucket = s3_bucket
     key = "elasticsearch/${project.name}-${version}.zip"
     file = "build/distributions/${project.name}-${version}.zip"
@@ -109,7 +119,7 @@ github {
 }
 
 githubRelease {
-    dependsOn("buildPluginZip")
+    //dependsOn("buildPluginZip")
     mustRunAfter("S3Upload")
 }
 
@@ -119,6 +129,7 @@ task release() {
             println("SNAPSHOT: Nothing to release !")
         }
     } else {
-        dependsOn(["S3Upload", "githubRelease"])
+//        dependsOn(["S3Upload", "githubRelease"])
+        dependsOn("S3Upload")
     }
 }

src/main/java/org/compuscene/metrics/prometheus/PrometheusMetricsCatalog.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.compuscene.metrics.prometheus;
 
 import org.apache.logging.log4j.Logger;
@@ -7,6 +24,8 @@
 import java.io.StringWriter;
 import java.io.Writer;
 import java.util.HashMap;
+import java.util.Locale;
+
 import io.prometheus.client.CollectorRegistry;
 import io.prometheus.client.Gauge;
 import io.prometheus.client.Summary;
@@ -87,7 +106,7 @@ public void registerClusterGauge(String metric, String help, String... labels) {
 
         metrics.put(metric, gauge);
 
-        logger.debug(String.format("Registered new cluster gauge %s", metric));
+        logger.debug(String.format(Locale.ENGLISH, "Registered new cluster gauge %s", metric));
     }
 
     public void setClusterGauge(String metric, double value, String... labelValues) {
@@ -104,7 +123,7 @@ public void registerNodeGauge(String metric, String help, String... labels) {
 
         metrics.put(metric, gauge);
 
-        logger.debug(String.format("Registered new node gauge %s", metric));
+        logger.debug(String.format(Locale.ENGLISH, "Registered new node gauge %s", metric));
     }
 
     public void setNodeGauge(String metric, double value, String... labelValues) {
@@ -121,7 +140,7 @@ public void registerSummaryTimer(String metric, String help, String... labels) {
 
         metrics.put(metric, summary);
 
-        logger.debug(String.format("Registered new summary %s", metric));
+        logger.debug(String.format(Locale.ENGLISH, "Registered new summary %s", metric));
     }
 
     public Summary.Timer startSummaryTimer(String metric, String... labelValues) {

src/main/java/org/compuscene/metrics/prometheus/PrometheusMetricsCollector.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.compuscene.metrics.prometheus;
 
 import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;

src/main/java/org/compuscene/metrics/prometheus/package-info.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.
+ *
+ */
+
 /**
  * Classes used to produce the Prometheus Exporter plugin metrics.
  */

src/main/java/org/elasticsearch/action/NodePrometheusMetricsAction.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.elasticsearch.action;
 
 import org.elasticsearch.client.ElasticsearchClient;

src/main/java/org/elasticsearch/action/NodePrometheusMetricsRequest.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.elasticsearch.action;
 
 import org.elasticsearch.action.support.master.MasterNodeReadRequest;

src/main/java/org/elasticsearch/action/NodePrometheusMetricsResponse.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.elasticsearch.action;
 
 import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;

src/main/java/org/elasticsearch/action/NodePrometheusRequestBuilder.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.elasticsearch.action;
 
 import org.elasticsearch.action.support.master.MasterNodeReadOperationRequestBuilder;

src/main/java/org/elasticsearch/action/TransportNodePrometheusMetricsAction.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.elasticsearch.action;
 
 import org.elasticsearch.ElasticsearchException;

src/main/java/org/elasticsearch/action/package-info.java

@@ -1,3 +1,20 @@
+/*
+ * Copyright [2016] [Vincent VAN HOLLEBEKE]
+ *
+ * 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.
+ *
+ */
+
 /**
  * Classes used for Prometheus Exporter plugin transport actions.
  */