Examples with Watcher io.fabric8.maven.watcher.api.Watcher used on opensource projects

Example 1 with Watcher

use of io.fabric8.maven.watcher.api.Watcher in project docker-maven-plugin by fabric8io.

the class WatchService method defaultContainerRestartTask.

private Task<ImageWatcher> defaultContainerRestartTask() {
    return new Task<ImageWatcher>() {

        @Override
        public void execute(ImageWatcher watcher) throws Exception {
            // Stop old one
            ImageConfiguration imageConfig = watcher.getImageConfiguration();
            PortMapping mappedPorts = runService.createPortMapping(imageConfig.getRunConfiguration(), watcher.getWatchContext().getMojoParameters().getProject().getProperties());
            String id = watcher.getContainerId();
            String optionalPreStop = getPreStopCommand(imageConfig);
            if (optionalPreStop != null) {
                runService.execInContainer(id, optionalPreStop, watcher.getImageConfiguration());
            }
            runService.stopPreviouslyStartedContainer(id, false, false);
            // Start new one
            watcher.setContainerId(runService.createAndStartContainer(imageConfig, mappedPorts, watcher.getWatchContext().getPomLabel(), watcher.getWatchContext().getMojoParameters().getProject().getProperties(), watcher.getWatchContext().getMojoParameters().getProject().getBasedir()));
        }
    };
}

Example 2 with Watcher

use of io.fabric8.maven.watcher.api.Watcher in project docker-maven-plugin by fabric8io.

the class WatchService method createBuildWatchTask.

private Runnable createBuildWatchTask(final ImageWatcher watcher, final MojoParameters mojoParameters, final boolean doRestart, final BuildService.BuildContext buildContext) throws MojoExecutionException {
    final ImageConfiguration imageConfig = watcher.getImageConfiguration();
    final AssemblyFiles files = archiveService.getAssemblyFiles(imageConfig, mojoParameters);
    if (files.isEmpty()) {
        log.error("No assembly files for %s. Are you sure you invoked together with the `package` goal?", imageConfig.getDescription());
        throw new MojoExecutionException("No files to watch found for " + imageConfig);
    }
    return new Runnable() {

        @Override
        public void run() {
            List<AssemblyFiles.Entry> entries = files.getUpdatedEntriesAndRefresh();
            if (entries != null && entries.size() > 0) {
                try {
                    log.info("%s: Assembly changed. Rebuild ...", imageConfig.getDescription());
                    if (watcher.getWatchContext().getImageCustomizer() != null) {
                        log.info("%s: Customizing the image ...", imageConfig.getDescription());
                        watcher.getWatchContext().getImageCustomizer().execute(imageConfig);
                    }
                    buildService.buildImage(imageConfig, null, buildContext);
                    String name = imageConfig.getName();
                    watcher.setImageId(queryService.getImageId(name));
                    if (doRestart) {
                        restartContainer(watcher);
                    }
                    callPostGoal(watcher);
                } catch (Exception e) {
                    log.error("%s: Error when rebuilding - %s", imageConfig.getDescription(), e);
                }
            }
        }
    };
}

Example 3 with Watcher

use of io.fabric8.maven.watcher.api.Watcher in project fabric8-maven-plugin by fabric8io.

the class KubernetesClientUtil method withSelector.

public static FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> withSelector(NonNamespaceOperation<Pod, PodList, DoneablePod, PodResource<Pod, DoneablePod>> pods, LabelSelector selector, Logger log) {
    FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> answer = pods;
    Map<String, String> matchLabels = selector.getMatchLabels();
    if (matchLabels != null && !matchLabels.isEmpty()) {
        answer = answer.withLabels(matchLabels);
    }
    List<LabelSelectorRequirement> matchExpressions = selector.getMatchExpressions();
    if (matchExpressions != null) {
        for (LabelSelectorRequirement expression : matchExpressions) {
            String key = expression.getKey();
            List<String> values = expression.getValues();
            if (Strings.isNullOrBlank(key)) {
                log.warn("Ignoring empty key in selector expression %s", expression);
                continue;
            }
            if (values == null || values.isEmpty()) {
                log.warn("Ignoring empty values in selector expression %s", expression);
                continue;
            }
            String[] valuesArray = values.toArray(new String[values.size()]);
            String operator = expression.getOperator();
            switch(operator) {
                case "In":
                    answer = answer.withLabelIn(key, valuesArray);
                    break;
                case "NotIn":
                    answer = answer.withLabelNotIn(key, valuesArray);
                    break;
                default:
                    log.warn("Ignoring unknown operator %s in selector expression %s", operator, expression);
            }
        }
    }
    return answer;
}

Example 4 with Watcher

use of io.fabric8.maven.watcher.api.Watcher in project fabric8-maven-plugin by fabric8io.

the class PortForwardService method getNewestPod.

private Pod getNewestPod(LabelSelector selector) {
    FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> pods = KubernetesClientUtil.withSelector(kubernetes.pods(), selector, log);
    PodList list = pods.list();
    if (list != null) {
        List<Pod> items = list.getItems();
        return getNewestPod(items);
    }
    return null;
}

Example 5 with Watcher

use of io.fabric8.maven.watcher.api.Watcher in project fabric8-maven-plugin by fabric8io.

the class OpenshiftBuildService method waitForOpenShiftBuildToComplete.

private void waitForOpenShiftBuildToComplete(OpenShiftClient client, Build build) throws MojoExecutionException, InterruptedException {
    final CountDownLatch latch = new CountDownLatch(1);
    final CountDownLatch logTerminateLatch = new CountDownLatch(1);
    final String buildName = KubernetesHelper.getName(build);
    final AtomicReference<Build> buildHolder = new AtomicReference<>();
    // Don't query for logs directly, Watch over the build pod:
    waitUntilPodIsReady(buildName + "-build", 20, log);
    log.info("Waiting for build " + buildName + " to complete...");
    try (LogWatch logWatch = client.pods().withName(buildName + "-build").watchLog()) {
        KubernetesClientUtil.printLogsAsync(logWatch, "Failed to tail build log", logTerminateLatch, log);
        Watcher<Build> buildWatcher = getBuildWatcher(latch, buildName, buildHolder);
        try (Watch watcher = client.builds().withName(buildName).watch(buildWatcher)) {
            // Check if the build is already finished to avoid waiting indefinitely
            Build lastBuild = client.builds().withName(buildName).get();
            String lastStatus = KubernetesResourceUtil.getBuildStatusPhase(lastBuild);
            if (Builds.isFinished(lastStatus)) {
                log.debug("Build %s is already finished", buildName);
                buildHolder.set(lastBuild);
                latch.countDown();
            }
            waitUntilBuildFinished(latch);
            logTerminateLatch.countDown();
            build = buildHolder.get();
            String status = KubernetesResourceUtil.getBuildStatusPhase(build);
            if (Builds.isFailed(status) || Builds.isCancelled(status)) {
                throw new MojoExecutionException("OpenShift Build " + buildName + ": " + KubernetesResourceUtil.getBuildStatusReason(build));
            }
            log.info("Build " + buildName + " " + status);
        }
    }
}