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/**
* Copyright 2016 Red Hat, Inc.
*
* Red Hat licenses this file to you 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 io.fabric8.maven.plugin.mojo.develop;
import io.fabric8.kubernetes.api.model.HasMetadata;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientException;
import io.fabric8.maven.core.access.ClusterAccess;
import io.fabric8.maven.core.access.ClusterConfiguration;
import io.fabric8.maven.core.config.OpenShiftBuildStrategy;
import io.fabric8.maven.core.config.RuntimeMode;
import io.fabric8.maven.core.config.ProcessorConfig;
import io.fabric8.maven.core.service.Fabric8ServiceHub;
import io.fabric8.maven.core.util.ProfileUtil;
import io.fabric8.maven.core.util.kubernetes.KubernetesResourceUtil;
import io.fabric8.maven.core.util.kubernetes.OpenshiftHelper;
import io.fabric8.maven.docker.config.ImageConfiguration;
import io.fabric8.maven.docker.service.BuildService;
import io.fabric8.maven.docker.service.ServiceHub;
import io.fabric8.maven.docker.service.WatchService;
import io.fabric8.maven.docker.util.AnsiLogger;
import io.fabric8.maven.docker.util.Logger;
import io.fabric8.maven.generator.api.GeneratorContext;
import io.fabric8.maven.generator.api.GeneratorMode;
import io.fabric8.maven.plugin.generator.GeneratorManager;
import io.fabric8.maven.plugin.mojo.ResourceDirCreator;
import io.fabric8.maven.plugin.watcher.WatcherManager;
import io.fabric8.maven.watcher.api.WatcherContext;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.List;
import java.util.Set;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Execute;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.repository.RepositorySystem;
import static io.fabric8.maven.plugin.mojo.build.ApplyMojo.DEFAULT_KUBERNETES_MANIFEST;
import static io.fabric8.maven.plugin.mojo.build.ApplyMojo.DEFAULT_OPENSHIFT_MANIFEST;
// TODO: Similar to the DebugMojo the WatchMojo should scale down any deployment to 1 replica (or ensure that its running only with one replica)
// The WatchEnricher has been removed since the enrichment shouldn't know anything about the mode running and should
// always create the same resources
/**
* Used to automatically rebuild Docker images and restart containers in case of updates.
*/
@Mojo(name = "watch", defaultPhase = LifecyclePhase.PACKAGE, requiresDependencyResolution = ResolutionScope.COMPILE)
@Execute(goal = "deploy")
public class WatchMojo extends io.fabric8.maven.docker.WatchMojo {
@Parameter
ProcessorConfig generator;
/**
* To skip over the execution of the goal
*/
@Parameter(property = "fabric8.skip", defaultValue = "false")
protected boolean skip;
/**
* The generated kubernetes YAML file
*/
@Parameter(property = "fabric8.kubernetesManifest", defaultValue = DEFAULT_KUBERNETES_MANIFEST)
private File kubernetesManifest;
/**
* The generated openshift YAML file
*/
@Parameter(property = "fabric8.openshiftManifest", defaultValue = DEFAULT_OPENSHIFT_MANIFEST)
private File openshiftManifest;
/**
* Whether to perform a Kubernetes build (i.e. against a vanilla Docker daemon) or
* an OpenShift build (with a Docker build against the OpenShift API server.
*/
@Parameter(property = "fabric8.mode")
private RuntimeMode mode = RuntimeMode.auto;
/**
* OpenShift build mode when an OpenShift build is performed.
* Can be either "s2i" for an s2i binary build mode or "docker" for a binary
* docker mode.
*/
@Parameter(property = "fabric8.build.strategy")
private OpenShiftBuildStrategy buildStrategy = OpenShiftBuildStrategy.s2i;
@Parameter
protected ClusterConfiguration access;
/**
* Watcher specific options. This is a generic prefix where the keys have the form
* <watcher-prefix>-<option>.
*/
@Parameter
private ProcessorConfig watcher;
/**
* Should we use the project's compile-time classpath to scan for additional enrichers/generators?
*/
@Parameter(property = "fabric8.useProjectClasspath", defaultValue = "false")
private boolean useProjectClasspath = false;
/**
* Profile to use. A profile contains the enrichers and generators to
* use as well as their configuration. Profiles are looked up
* in the classpath and can be provided as yaml files.
*
* However, any given enricher and or generator configuration overrides
* the information provided by a profile.
*/
@Parameter(property = "fabric8.profile")
private String profile;
/**
* Folder where to find project specific files, e.g a custom profile
*/
@Parameter(property = "fabric8.resourceDir", defaultValue = "${basedir}/src/main/fabric8")
private File resourceDir;
/**
* Environment name where resources are placed. For example, if you set this property to dev and resourceDir is the default one, Fabric8 will look at src/main/fabric8/dev
*/
@Parameter(property = "fabric8.environment")
private String environment;
// Whether to use color
@Parameter(property = "fabric8.useColor", defaultValue = "true")
protected boolean useColor;
// For verbose output
@Parameter(property = "fabric8.verbose", defaultValue = "false")
protected boolean verbose;
@Component
protected RepositorySystem repositorySystem;
private ClusterAccess clusterAccess;
private KubernetesClient kubernetes;
private ServiceHub hub;
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
if (skip) {
return;
}
log = new AnsiLogger(getLog(), useColor, verbose, !settings.getInteractiveMode(), getLogPrefix());
clusterAccess = new ClusterAccess(getClusterConfiguration());
kubernetes = clusterAccess.createDefaultClient(log);
if(clusterAccess.resolveRuntimeMode(mode, log).equals(RuntimeMode.kubernetes)) {
super.execute();
} else {
executeInternal(null);
}
}
protected ClusterConfiguration getClusterConfiguration() {
if(access == null) {
access = new ClusterConfiguration.Builder().build();
}
final ClusterConfiguration.Builder clusterConfigurationBuilder = new ClusterConfiguration.Builder(access);
return clusterConfigurationBuilder.from(System.getProperties())
.from(project.getProperties()).build();
}
@Override
protected synchronized void executeInternal(ServiceHub hub) throws MojoExecutionException {
if(hub != null) {
this.hub = hub;
}
URL masterUrl = kubernetes.getMasterUrl();
KubernetesResourceUtil.validateKubernetesMasterUrl(masterUrl);
File manifest;
boolean isOpenshift = OpenshiftHelper.isOpenShift(kubernetes);
if (isOpenshift) {
manifest = openshiftManifest;
} else {
manifest = kubernetesManifest;
}
try {
Set resources = KubernetesResourceUtil.loadResources(manifest);
WatcherContext context = getWatcherContext();
WatcherManager.watch(getResolvedImages(), resources, context);
} catch (KubernetesClientException ex) {
KubernetesResourceUtil.handleKubernetesClientException(ex, this.log);
} catch (Exception ex) {
throw new MojoExecutionException("An error has occurred while while trying to watch the resources", ex);
}
}
public WatcherContext getWatcherContext() throws MojoExecutionException {
try {
BuildService.BuildContext buildContext = getBuildContext();
WatchService.WatchContext watchContext = hub != null ? getWatchContext(hub) : null;
return new WatcherContext.Builder()
.serviceHub(hub)
.buildContext(buildContext)
.watchContext(watchContext)
.config(extractWatcherConfig())
.logger(log)
.newPodLogger(createLogger("[[C]][NEW][[C]] "))
.oldPodLogger(createLogger("[[R]][OLD][[R]] "))
.mode(mode)
.project(project)
.useProjectClasspath(useProjectClasspath)
.clusterConfiguration(getClusterConfiguration())
.kubernetesClient(kubernetes)
.fabric8ServiceHub(getFabric8ServiceHub())
.build();
} catch(IOException exception) {
throw new MojoExecutionException(exception.getMessage());
}
}
protected Fabric8ServiceHub getFabric8ServiceHub() {
return new Fabric8ServiceHub.Builder()
.log(log)
.clusterAccess(clusterAccess)
.dockerServiceHub(hub)
.platformMode(mode)
.repositorySystem(repositorySystem)
.mavenProject(project)
.build();
}
@Override
public List customizeConfig(List configs) {
try {
Fabric8ServiceHub serviceHub = getFabric8ServiceHub();
GeneratorContext ctx = new GeneratorContext.Builder()
.config(extractGeneratorConfig())
.project(project)
.logger(log)
.runtimeMode(mode)
.strategy(buildStrategy)
.useProjectClasspath(useProjectClasspath)
.artifactResolver(serviceHub.getArtifactResolverService())
.generatorMode(GeneratorMode.WATCH)
.build();
return GeneratorManager.generate(configs, ctx, false);
} catch (MojoExecutionException e) {
throw new IllegalArgumentException("Cannot extract generator config: " + e, e);
}
}
// Get watcher config
private ProcessorConfig extractWatcherConfig() {
try {
return ProfileUtil.blendProfileWithConfiguration(ProfileUtil.WATCHER_CONFIG, profile, ResourceDirCreator.getFinalResourceDir(resourceDir, environment), watcher);
} catch (IOException e) {
throw new IllegalArgumentException("Cannot extract watcher config: " + e, e);
}
}
// Get generator config
private ProcessorConfig extractGeneratorConfig() {
try {
return ProfileUtil.blendProfileWithConfiguration(ProfileUtil.GENERATOR_CONFIG, profile, ResourceDirCreator.getFinalResourceDir(resourceDir, environment), generator);
} catch (IOException e) {
throw new IllegalArgumentException("Cannot extract generator config: " + e, e);
}
}
protected Logger createLogger(String prefix) {
return new AnsiLogger(getLog(), useColor, verbose, !settings.getInteractiveMode(), "F8:" + prefix);
}
@Override
protected String getLogPrefix() {
return "F8: ";
}
}
