Examples with KubernetesClient io.fabric8.kubernetes.client.KubernetesClient used on opensource projects

Example 26 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project fabric8 by fabric8io.

the class Example method main.

public static void main(String[] args) {
    try {
        final KubernetesClient client = new DefaultKubernetesClient();
        assertThat(client).pods().runningStatus().hasSize(6);
        assertThat(client).pods().runningStatus().filterLabel("provider", "fabric8").assertSize().isGreaterThan(0);
        assertThat(client.services().inNamespace("default").withName("fabric8").get().getMetadata()).name().isEqualTo("fabric8");
        Map<String, String> consoleLabels = new HashMap<>();
        consoleLabels.put("component", "console");
        consoleLabels.put("provider", "fabric8");
        assertThat(client).podsForService("fabric8").runningStatus().extracting("metadata").extracting("labels").contains(consoleLabels);
        assertThat(client).podsForService("fabric8").runningStatus().hasSize(1).extracting("metadata").extracting("labels").contains(consoleLabels);
        assertThat(client).podsForService("fabric8").logs().doesNotContainText("Exception", "Error");
        assertThat(client).pods().logs().doesNotContainText("Exception", "Error");
        assertAssertionError(new Block() {

            @Override
            public void invoke() throws Exception {
                try {
                    assertThat(client.services().inNamespace("default").withName("doesNotExist").get().getMetadata()).name().isEqualTo("fabric8-console-controller");
                } catch (KubernetesClientException e) {
                    if (e.getCode() != 404) {
                        throw e;
                    } else {
                        throw new AssertionError(e);
                    }
                }
            }
        });
        assertAssertionError(new Block() {

            @Override
            public void invoke() throws Exception {
                try {
                    assertThat(client).pods().runningStatus().filterLabel("component", "doesNotExist").hasSize(1);
                } catch (KubernetesClientException e) {
                    if (e.getCode() != 404) {
                        throw e;
                    } else {
                        throw new AssertionError(e);
                    }
                }
            }
        });
        System.out.println("Done!");
    } catch (Throwable e) {
        System.out.println("Caught: " + e);
        e.printStackTrace();
    }
}

Example 27 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project fabric8 by fabric8io.

the class Example method listReplicationControllers.

protected static void listReplicationControllers(KubernetesClient kube) {
    System.out.println("\n\nLooking up replicationControllers");
    System.out.println("=========================================================================");
    ReplicationControllerList replicationControllers = kube.replicationControllers().list();
    List<ReplicationController> items = replicationControllers.getItems();
    for (ReplicationController item : items) {
        ReplicationControllerSpec replicationControllerSpec = item.getSpec();
        if (replicationControllerSpec != null) {
            System.out.println("ReplicationController " + KubernetesHelper.getName(item) + " labels: " + item.getMetadata().getLabels() + " replicas: " + replicationControllerSpec.getReplicas() + " replicatorSelector: " + replicationControllerSpec.getSelector() + " podTemplate: " + replicationControllerSpec.getTemplate());
        } else {
            System.out.println("ReplicationController " + KubernetesHelper.getName(item) + " labels: " + item.getMetadata().getLabels() + " no replicationControllerSpec");
        }
    }
    System.out.println();
}

Example 28 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project fabric8 by fabric8io.

the class Example method listPods.

protected static void listPods(KubernetesClient kube) {
    System.out.println("\n\nLooking up pods");
    System.out.println("=========================================================================");
    PodList pods = kube.pods().list();
    // System.out.println("Got pods: " + pods);
    List<Pod> items = pods.getItems();
    for (Pod item : items) {
        System.out.println("Pod " + KubernetesHelper.getName(item) + " with ip: " + item.getStatus().getPodIP() + " created: " + item.getMetadata().getCreationTimestamp());
        PodSpec spec = item.getSpec();
        if (spec != null) {
            List<Container> containers = spec.getContainers();
            if (containers != null) {
                for (Container container : containers) {
                    System.out.println("Container " + container.getImage() + " " + container.getCommand() + " ports: " + container.getPorts());
                }
            }
        }
        Map<String, ContainerStatus> currentContainers = KubernetesHelper.getCurrentContainers(item);
        System.out.println("Has " + currentContainers.size() + " container(s)");
        Set<Map.Entry<String, ContainerStatus>> entries = currentContainers.entrySet();
        for (Map.Entry<String, ContainerStatus> entry : entries) {
            String id = entry.getKey();
            ContainerStatus info = entry.getValue();
            System.out.println("Current container: " + id + " info: " + info);
        }
    }
    System.out.println();
}

Example 29 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project fabric8 by fabric8io.

the class Example method main.

public static void main(String... args) {
    System.out.println("\n\nfabric8 Kubernetes-api example");
    KubernetesClient kube = new DefaultKubernetesClient();
    System.out.println("=========================================================================");
    try {
        listPods(kube);
        listReplicationControllers(kube);
        listServices(kube);
        listServiceAccounts(kube);
        listEndpoints(kube);
    } catch (Exception e) {
        System.out.println("FAILED: " + e);
        e.printStackTrace();
    } finally {
        kube.close();
    }
    System.out.println("=========================================================================");
}

Example 30 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project fabric8 by fabric8io.

the class IsOpenShift method main.

public static void main(String... args) {
    KubernetesClient client = new DefaultKubernetesClient();
    try {
        boolean openShift = KubernetesHelper.isOpenShift(client);
        System.out.println("OpenShift: " + openShift);
    } catch (Exception e) {
        System.out.println("FAILED: " + e);
        e.printStackTrace();
    }
}