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How to use kubeConfigWithServerUrl method of org.testcontainers.k3s.K3sContainer class

Best Testcontainers-java code snippet using org.testcontainers.k3s.K3sContainer.kubeConfigWithServerUrl

Source:K3sContainer.java

...40            "/etc/rancher/k3s/k3s.yaml",41            is -> IOUtils.toString(is, StandardCharsets.UTF_8)42        );43        String serverUrl = "https://" + this.getHost() + ":" + this.getMappedPort(KUBE_SECURE_PORT);44        kubeConfigYaml = kubeConfigWithServerUrl(rawKubeConfig, serverUrl);45    }46    /**47     * Return the kubernetes client configuration to access k3s from the host machine.48     *49     * @return the kubeConfig yaml.50     */51    public String getKubeConfigYaml() {52        return kubeConfigYaml;53    }54    /**55     * Generate a kubernetes client configuration for use on a docker internal network. The kubeConfig can be used by56     * another docker container running in the same network as the k3s container. For access from the host, use57     * the {@link #getKubeConfigYaml()} method instead.58     *59     * @param networkAlias a valid network alias of the k3s container.60     * @return the kubeConfig yaml.61     */62    public String generateInternalKubeConfigYaml(String networkAlias) {63        if (this.getNetworkAliases().contains(networkAlias)) {64            String serverUrl = "https://" + networkAlias + ":" + KUBE_SECURE_PORT;65            return kubeConfigWithServerUrl(kubeConfigYaml, serverUrl);66        } else {67            throw new IllegalArgumentException(networkAlias + " is not a network alias for k3s container");68        }69    }70    @SneakyThrows71    private String kubeConfigWithServerUrl(String kubeConfigYaml, String serverUrl) {72        ObjectMapper objectMapper = new ObjectMapper(new YAMLFactory());73        ObjectNode kubeConfigObjectNode = objectMapper.readValue(kubeConfigYaml, ObjectNode.class);74        JsonNode clusterNode = kubeConfigObjectNode.at("/clusters/0/cluster");75        if (!clusterNode.isObject()) {76            throw new IllegalStateException("'/clusters/0/cluster' expected to be an object");77        }78        ObjectNode clusterConfig = (ObjectNode) clusterNode;79        clusterConfig.replace("server", new TextNode(serverUrl));80        kubeConfigObjectNode.set("current-context", new TextNode("default"));81        return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(kubeConfigObjectNode);82    }83}...

kubeConfigWithServerUrl

Using AI Code Generation

1import org.testcontainers.containers.BindMode;2import org.testcontainers.containers.Network;3import org.testcontainers.containers.wait.strategy.Wait;4import org.testcontainers.k3s.K3sContainer;5import org.testcontainers.utility.DockerImageName;6public class K3sContainerExample {7    public static void main(String[] args) {8        final Network network = Network.newNetwork();9        final K3sContainer k3s = new K3sContainer(DockerImageName.parse("rancher/k3s:v1.18.9-k3s1"))10                .withNetwork(network)11                .withNetworkAliases("k3s")12                .withExposedPorts(6443)13                .withCommand("server --disable=traefik")14                .waitingFor(Wait.forLogMessage(".*Running kube-apiserver.*", 1));15        k3s.start();16        final K3sContainer k3sWithKubeConfig = k3s.kubeConfigWithServerUrl(k3s.getContainerIpAddress() + ":" + k3s.getMappedPort(6443));17        k3sWithKubeConfig.withNetwork(network);18        k3sWithKubeConfig.start();19    }20}

kubeConfigWithServerUrl

Using AI Code Generation

1K3sContainer k3s = new K3sContainer()2    .withKubeconfig(kubeConfigWithServerUrl(k3s))3    .withLogConsumer(new Slf4jLogConsumer(log))4    .withNetworkMode("host")5    .withNetworkAliases("k3s")6k3s.start()7k3s.stop()82021-09-15T10:43:48.639Z [INFO]  Starting k3s v1.22.3+k3s1 (838a906a)

kubeConfigWithServerUrl

Using AI Code Generation

1    def k3s = new K3sContainer()2    def kubeConfig = k3s.kubeConfigWithServerUrl()3    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)4    def k3s = new K3sContainer()5    def kubeConfig = k3s.kubeConfigWithServerUrl()6    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)7    def k3s = new K3sContainer()8    def kubeConfig = k3s.kubeConfigWithServerUrl()9    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)10    def k3s = new K3sContainer()11    def kubeConfig = k3s.kubeConfigWithServerUrl()12    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)13    def k3s = new K3sContainer()14    def kubeConfig = k3s.kubeConfigWithServerUrl()15    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)16    def k3s = new K3sContainer()17    def kubeConfig = k3s.kubeConfigWithServerUrl()18    def kubernetesClient = new DefaultKubernetesClient(kubeConfig)

kubeConfigWithServerUrl

Using AI Code Generation

1import org.testcontainers.k3s.K3sContainer2import org.testcontainers.kubernetes.client.KubernetesClientProvider3import org.testcontainers.kubernetes.client.KubernetesClientProviderStrategy4import org.testcontainers.utility.DockerImageName5import org.testcontainers.containers.GenericContainer6import org.testcontainers.containers.wait.strategy.Wait7def k3s = new K3sContainer(DockerImageName.parse("rancher/k3s:v1.21.3-k3s1"))8    .withWaitStrategy(Wait.forLogMessage(".*Running kube-apiserver.*", 1))9k3s.start()10def client = KubernetesClientProvider.getClient()11def pod = new GenericContainer(DockerImageName.parse("nginx:latest"))12    .withCommand("sleep", "infinity")13    .withEnv("KUBERNETES_SERVICE_HOST", "kubernetes.default.svc.cluster.local")14    .withEnv("KUBERNETES_SERVICE_PORT", "443")15    .withEnv("KUBERNETES_SERVICE_PORT_HTTPS", "443")16    .withExposedPorts(80)17    .withKubernetesDeployment(client)18    .withKubernetesService(client)19    .withKubernetesPodLabel("my-pod-label", "my-pod-value")20pod.start()21def podName = pod.getContainerInfo().getLabels().get("io.kubernetes.pod.name")22def podIp = client.pods().withName(podName).get().getStatus().getPodIP()23println("Pod name is ${podName}")24println("Pod IP is ${podIp}")25k3s.stop()

kubeConfigWithServerUrl

Using AI Code Generation

1K3sContainer k3s = new K3sContainer()2                .withK3sVersion("v1.18.2-k3s1")3                .withLogConsumer(new Slf4jLogConsumer(LoggerFactory.getLogger("k3s")))4                .withExposedPorts(8080);5k3s.start();6KubernetesClient client = new DefaultKubernetesClient(Config.fromKubeconfig(kubeConfig));7client.namespaces().create(new NamespaceBuilder().withNewMetadata().withName("test").endMetadata().build());8client.pods().inNamespace("test").create(new PodBuilder()9                .withNewMetadata()10                    .withName("test-pod")11                    .withLabels(Collections.singletonMap("app", "test-pod"))12                .endMetadata()13                .withNewSpec()14                    .addNewContainer()15                        .withName("test-pod")16                        .withImage("nginx")17                        .withImagePullPolicy("IfNotPresent")18                        .withPorts(new ContainerPortBuilder().withContainerPort(80).build())19                    .endContainer()20                .endSpec()21                .build());22client.namespaces().withName("test").delete();23k3s.stop();24kubeConfig.delete();25k3s.close();

kubeConfigWithServerUrl

Using AI Code Generation

1import org.testcontainers.containers.output.Slf4jLogConsumer2import org.testcontainers.k3s.K3sContainer3import org.testcontainers.utility.DockerImageName4import org.testcontainers.utility.MountableFile5import spock.lang.Specification6class K3sContainerSpec extends Specification {7    def "should run a test using the k3s client"() {8        def container = new K3sContainer(DockerImageName.parse("rancher/k3s:v1.21.3-k3s1"))9            .withK3sVersion("v1.21.3+k3s1")10            .withLogConsumer(new Slf4jLogConsumer(log))11            .withCopyFileToContainer(MountableFile.forClasspathResource("kubeconfig"), "/root/.kube/config")12            .withCopyFileToContainer(MountableFile.forClasspathResource("ca.crt"), "/root/.kube/ca.crt")13            .withCopyFileToContainer(MountableFile.forClasspathResource("client.crt"), "/root/.kube/client.crt")14            .withCopyFileToContainer(MountableFile.forClasspathResource("client.key"), "/root/.kube/client.key")15            .withExposedPorts(6443)16        container.start()17        def result = container.execInContainer("kubectl", "get", "pods", "--all-namespaces")18        result.getStdout().contains("NAMESPACE     NAME                             READY   STATUS    RESTARTS   AGE")19        container.stop()20    }21}22org.testcontainers.k3s.K3sContainerSpec > should run a test using the k3s client() STANDARD_OUT

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