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

Example 1 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project camel by apache.

the class KubernetesEndpoint method createKubernetesClient.

private KubernetesClient createKubernetesClient() {
    LOG.debug("Create Kubernetes client with the following Configuration: " + configuration.toString());
    ConfigBuilder builder = new ConfigBuilder();
    builder.withMasterUrl(configuration.getMasterUrl());
    if ((ObjectHelper.isNotEmpty(configuration.getUsername()) && ObjectHelper.isNotEmpty(configuration.getPassword())) && ObjectHelper.isEmpty(configuration.getOauthToken())) {
        builder.withUsername(configuration.getUsername());
        builder.withPassword(configuration.getPassword());
    }
    if (ObjectHelper.isNotEmpty(configuration.getOauthToken())) {
        builder.withOauthToken(configuration.getOauthToken());
    }
    if (ObjectHelper.isNotEmpty(configuration.getCaCertData())) {
        builder.withCaCertData(configuration.getCaCertData());
    }
    if (ObjectHelper.isNotEmpty(configuration.getCaCertFile())) {
        builder.withCaCertFile(configuration.getCaCertFile());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientCertData())) {
        builder.withClientCertData(configuration.getClientCertData());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientCertFile())) {
        builder.withClientCertFile(configuration.getClientCertFile());
    }
    if (ObjectHelper.isNotEmpty(configuration.getApiVersion())) {
        builder.withApiVersion(configuration.getApiVersion());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientKeyAlgo())) {
        builder.withClientKeyAlgo(configuration.getClientKeyAlgo());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientKeyData())) {
        builder.withClientKeyData(configuration.getClientKeyData());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientKeyFile())) {
        builder.withClientKeyFile(configuration.getClientKeyFile());
    }
    if (ObjectHelper.isNotEmpty(configuration.getClientKeyPassphrase())) {
        builder.withClientKeyPassphrase(configuration.getClientKeyPassphrase());
    }
    if (ObjectHelper.isNotEmpty(configuration.getTrustCerts())) {
        builder.withTrustCerts(configuration.getTrustCerts());
    }
    Config conf = builder.build();
    return new DefaultKubernetesClient(conf);
}

Example 2 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project curiostack by curioswitch.

the class DeployConfigMapTask method exec.

@TaskAction
public void exec() {
    ImmutableDeploymentExtension config = getProject().getExtensions().getByType(DeploymentExtension.class);
    final ImmutableDeploymentConfiguration deploymentConfig = config.getTypes().getByName(type);
    Map<String, RpcAcl> aclMap = deploymentConfig.rpcAcls().entrySet().stream().map(entry -> new SimpleImmutableEntry<>(entry.getKey(), ImmutableRpcAcl.builder().rate(entry.getValue()).build())).collect(toImmutableMap(Entry::getKey, Entry::getValue));
    final String serializedAcls;
    try {
        serializedAcls = OBJECT_MAPPER.writeValueAsString(aclMap);
    } catch (JsonProcessingException e) {
        throw new UncheckedIOException("Could not serialize acls.", e);
    }
    ConfigMap configMap = new ConfigMapBuilder().withMetadata(new ObjectMetaBuilder().withName("rpcacls").withNamespace(deploymentConfig.namespace()).build()).withData(ImmutableMap.of("rpcacls.json", serializedAcls)).build();
    KubernetesClient client = new DefaultKubernetesClient();
    client.resource(configMap).createOrReplace();
}

Example 3 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project curiostack by curioswitch.

the class DeployPodTask method exec.

@TaskAction
public void exec() {
    ImmutableDeploymentExtension config = getProject().getExtensions().getByType(DeploymentExtension.class);
    final ImmutableDeploymentConfiguration deploymentConfig = config.getTypes().getByName(type);
    ImmutableGcloudExtension gcloud = getProject().getRootProject().getExtensions().getByType(GcloudExtension.class);
    ImmutableList.Builder<EnvVar> envVars = ImmutableList.<EnvVar>builder().addAll(deploymentConfig.envVars().entrySet().stream().map((entry) -> new EnvVar(entry.getKey(), entry.getValue(), null))::iterator).addAll(deploymentConfig.secretEnvVars().entrySet().stream().map((entry) -> new EnvVar(entry.getKey(), null, new EnvVarSourceBuilder().withSecretKeyRef(new SecretKeySelectorBuilder().withName(entry.getValue().get(0)).withKey(entry.getValue().get(1)).build()).build()))::iterator);
    if (!deploymentConfig.envVars().containsKey("JAVA_OPTS")) {
        int heapSize = deploymentConfig.jvmHeapMb();
        StringBuilder javaOpts = new StringBuilder();
        javaOpts.append("--add-opens java.base/jdk.internal.misc=ALL-UNNAMED ").append("--add-opens jdk.unsupported/sun.misc=ALL-UNNAMED ").append("-Xms").append(heapSize).append("m ").append("-Xmx").append(heapSize).append("m ").append("-Dconfig.resource=application-").append(type).append(".conf ").append("-Dmonitoring.stackdriverProjectId=").append(gcloud.clusterProject()).append(" ").append("-Dmonitoring.serverName=").append(deploymentConfig.deploymentName()).append(" ");
        if (!deploymentConfig.request()) {
            int numCpus = (int) Math.ceil(Double.parseDouble(deploymentConfig.cpu()));
            int numWorkers = numCpus * 2;
            javaOpts.append("-XX:ParallelGCThreads=").append(numCpus).append(" ").append("-Dcom.linecorp.armeria.numCommonWorkers=").append(numWorkers).append(" ").append("-Dio.netty.availableProcessors=").append(numCpus).append(" ");
        }
        if (!type.equals("prod")) {
            javaOpts.append("-Dcom.linecorp.armeria.verboseExceptions=true ");
        }
        envVars.add(new EnvVar("JAVA_OPTS", javaOpts.toString(), null));
    }
    Map<String, Quantity> resources = ImmutableMap.of("cpu", new Quantity(deploymentConfig.cpu()), "memory", new Quantity(deploymentConfig.memoryMb() + "Mi"));
    Deployment deployment = new DeploymentBuilder().withMetadata(new ObjectMetaBuilder().withNamespace(deploymentConfig.namespace()).withName(deploymentConfig.deploymentName()).build()).withSpec(new DeploymentSpecBuilder().withReplicas(deploymentConfig.replicas()).withStrategy(new DeploymentStrategyBuilder().withType("RollingUpdate").withRollingUpdate(new RollingUpdateDeploymentBuilder().withNewMaxUnavailable(0).build()).build()).withSelector(new LabelSelectorBuilder().withMatchLabels(ImmutableMap.of("name", deploymentConfig.deploymentName())).build()).withTemplate(new PodTemplateSpecBuilder().withMetadata(new ObjectMetaBuilder().withLabels(ImmutableMap.of("name", deploymentConfig.deploymentName(), "revision", System.getenv().getOrDefault("REVISION_ID", "none"))).withAnnotations(ImmutableMap.<String, String>builder().put("prometheus.io/scrape", "true").put("prometheus.io/scheme", "https").put("prometheus.io/path", "/internal/metrics").put("prometheus.io/port", String.valueOf(deploymentConfig.containerPort())).build()).build()).withSpec(new PodSpecBuilder().withContainers(new ContainerBuilder().withResources(new ResourceRequirementsBuilder().withLimits(!deploymentConfig.request() ? resources : ImmutableMap.of()).withRequests(deploymentConfig.request() ? resources : ImmutableMap.of()).build()).withImage(deploymentConfig.image()).withName(deploymentConfig.deploymentName()).withEnv(envVars.build()).withImagePullPolicy("Always").withReadinessProbe(createProbe(deploymentConfig, Duration.ofSeconds(5))).withLivenessProbe(createProbe(deploymentConfig, Duration.ofSeconds(15))).withPorts(ImmutableList.of(new ContainerPortBuilder().withContainerPort(deploymentConfig.containerPort()).withName("http").build())).withVolumeMounts(new VolumeMountBuilder().withName("tls").withMountPath("/etc/tls").withReadOnly(true).build(), new VolumeMountBuilder().withName("rpcacls").withMountPath("/etc/rpcacls").withReadOnly(true).build()).build()).withVolumes(new VolumeBuilder().withName("tls").withSecret(new SecretVolumeSourceBuilder().withSecretName("server-tls").build()).build(), new VolumeBuilder().withName("rpcacls").withConfigMap(new ConfigMapVolumeSourceBuilder().withName("rpcacls").build()).build()).build()).build()).build()).build();
    KubernetesClient client = new DefaultKubernetesClient();
    Service service = new ServiceBuilder().withMetadata(new ObjectMetaBuilder().withName(deploymentConfig.deploymentName()).withNamespace(deploymentConfig.namespace()).withAnnotations(ImmutableMap.<String, String>builder().put("service.alpha.kubernetes.io/app-protocols", "{\"https\":\"HTTPS\"}").put("prometheus.io/scrape", "true").put("prometheus.io/scheme", "https").put("prometheus.io/path", "/internal/metrics").put("prometheus.io/port", String.valueOf(deploymentConfig.containerPort())).put("prometheus.io/probe", "true").build()).build()).withSpec(createServiceSpec(deploymentConfig)).build();
    Map<String, Service> additionalServices = new HashMap<>();
    for (String path : deploymentConfig.additionalServicePaths()) {
        String sanitizedPath = path;
        if (sanitizedPath.endsWith("/*")) {
            sanitizedPath = sanitizedPath.substring(0, path.length() - 2);
        }
        String serviceName = deploymentConfig.deploymentName() + sanitizedPath.replace('/', '-');
        additionalServices.put(path, new ServiceBuilder().withMetadata(new ObjectMetaBuilder().withName(serviceName).withNamespace(deploymentConfig.namespace()).withAnnotations(ImmutableMap.of("service.alpha.kubernetes.io/app-protocols", "{\"https\":\"HTTPS\"}")).build()).withSpec(createServiceSpec(deploymentConfig)).build());
    }
    client.resource(deployment).createOrReplace();
    deployService(service, client);
    additionalServices.values().forEach(s -> deployService(s, client));
    if (deploymentConfig.externalHost() != null) {
        List<HTTPIngressPath> ingressPaths = new ArrayList<>();
        additionalServices.forEach((path, s) -> ingressPaths.add(createIngressPath(path, s.getMetadata().getName(), deploymentConfig)));
        ingressPaths.add(createIngressPath("/*", deploymentConfig.deploymentName(), deploymentConfig));
        Ingress ingress = new IngressBuilder().withMetadata(new ObjectMetaBuilder().withNamespace(deploymentConfig.namespace()).withName(deploymentConfig.deploymentName()).withAnnotations(ImmutableMap.of("kubernetes.io/tls-acme", "true", "kubernetes.io/ingress.class", "gce")).build()).withSpec(new IngressSpecBuilder().withTls(new IngressTLSBuilder().withSecretName(deploymentConfig.deploymentName() + "-tls").withHosts(deploymentConfig.externalHost()).build()).withRules(new IngressRuleBuilder().withHost(deploymentConfig.externalHost()).withHttp(new HTTPIngressRuleValueBuilder().withPaths(ingressPaths).build()).build()).build()).build();
        client.resource(ingress).createOrReplace();
    }
}

Example 4 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project curiostack by curioswitch.

the class DeployDevDbPodTask method exec.

@TaskAction
public void exec() {
    ImmutableDatabaseExtension config = getProject().getExtensions().getByType(DatabaseExtension.class);
    PersistentVolumeClaim volumeClaim = new PersistentVolumeClaimBuilder().withMetadata(new ObjectMetaBuilder().withName(config.devDbPodName() + "-pvc").withNamespace(config.devDbPodNamespace()).build()).withSpec(new PersistentVolumeClaimSpecBuilder().withAccessModes("ReadWriteOnce").withResources(new ResourceRequirementsBuilder().withRequests(ImmutableMap.of("storage", new Quantity("5Gi"))).build()).build()).build();
    Pod pod = new PodBuilder().withMetadata(new ObjectMetaBuilder().withName(config.devDbPodName()).withLabels(ImmutableMap.of("name", config.devDbPodName())).withNamespace(config.devDbPodNamespace()).build()).withSpec(new PodSpecBuilder().withContainers(new ContainerBuilder().withResources(new ResourceRequirementsBuilder().withLimits(ImmutableMap.of("cpu", new Quantity("0.1"), "memory", new Quantity("512Mi"))).build()).withImage(config.devDockerImageTag()).withName(config.devDbPodName()).withImagePullPolicy("Always").withPorts(new ContainerPortBuilder().withContainerPort(3306).withName("mysql").build()).withVolumeMounts(new VolumeMountBuilder().withName(config.devDbPodName() + "-data").withMountPath("/var/lib/mysql").build()).withArgs("--ignore-db-dir=lost+found").build()).withVolumes(new VolumeBuilder().withName(config.devDbPodName() + "-data").withPersistentVolumeClaim(new PersistentVolumeClaimVolumeSourceBuilder().withClaimName(volumeClaim.getMetadata().getName()).build()).build()).build()).build();
    Service service = new ServiceBuilder().withMetadata(new ObjectMetaBuilder().withName(config.devDbPodName()).withNamespace(config.devDbPodNamespace()).build()).withSpec(new ServiceSpecBuilder().withPorts(new ServicePortBuilder().withPort(3306).withTargetPort(new IntOrString(3306)).build()).withSelector(ImmutableMap.of("name", config.devDbPodName())).withType("LoadBalancer").withLoadBalancerSourceRanges(config.devDbIpRestrictions()).build()).build();
    KubernetesClient client = new DefaultKubernetesClient();
    try {
        client.resource(volumeClaim).createOrReplace();
    } catch (Exception e) {
    // TODO(choko): Find a better way to idempotently setup.
    // Ignore
    }
    try {
        client.resourceList(pod).createOrReplace();
    } catch (Exception e) {
    // TODO(choko): Find a better way to idempotently setup.
    // Ignore
    }
    client.resource(service).createOrReplace();
}

Example 5 with KubernetesClient

use of io.fabric8.kubernetes.client.KubernetesClient in project curiostack by curioswitch.

the class RequestNamespaceCertTask method exec.

@TaskAction
public void exec() {
    ImmutableClusterExtension cluster = getProject().getExtensions().getByType(ClusterExtension.class);
    final KeyPairGenerator keygen;
    try {
        keygen = KeyPairGenerator.getInstance("ECDSA", BouncyCastleProvider.PROVIDER_NAME);
    } catch (NoSuchAlgorithmException | NoSuchProviderException e) {
        throw new IllegalStateException("Could not find RSA, can't happen.", e);
    }
    keygen.initialize(256, new SecureRandom());
    KeyPair keyPair = keygen.generateKeyPair();
    PKCS10CertificationRequestBuilder p10Builder = new JcaPKCS10CertificationRequestBuilder(new X500Principal("CN=" + cluster.namespace() + ".ns.cluster.stellarstation.com"), keyPair.getPublic());
    Stream<GeneralName> generalNames = Streams.concat(Stream.of(new GeneralName(GeneralName.dNSName, "*." + cluster.namespace()), new GeneralName(GeneralName.dNSName, "*." + cluster.namespace() + ".svc"), new GeneralName(GeneralName.dNSName, "*." + cluster.namespace() + ".svc.cluster.local")), cluster.extraNamespaceTlsHosts().stream().map(name -> new GeneralName(GeneralName.dNSName, name)));
    GeneralNames subjectAltNames = new GeneralNames(generalNames.toArray(GeneralName[]::new));
    ExtensionsGenerator extensions = new ExtensionsGenerator();
    try {
        extensions.addExtension(Extension.subjectAlternativeName, false, subjectAltNames);
        p10Builder.setAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensions.generate());
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode cert name, can't happen.", e);
    }
    final ContentSigner signer;
    try {
        signer = new JcaContentSignerBuilder("SHA256withECDSA").build(keyPair.getPrivate());
    } catch (OperatorCreationException e) {
        throw new IllegalStateException("Could not find signer, can't happen.", e);
    }
    PKCS10CertificationRequest csr = p10Builder.build(signer);
    StringWriter csrWriter = new StringWriter();
    try (JcaPEMWriter pemWriter = new JcaPEMWriter(csrWriter)) {
        pemWriter.writeObject(csr);
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode csr, can't happen.", e);
    }
    String encodedCsr = Base64.getEncoder().encodeToString(csrWriter.toString().getBytes(StandardCharsets.UTF_8));
    Map<Object, Object> csrApiRequest = ImmutableMap.of("apiVersion", "certificates.k8s.io/v1beta1", "kind", "CertificateSigningRequest", "metadata", ImmutableMap.of("name", cluster.namespace() + ".server.crt"), "spec", ImmutableMap.of("request", encodedCsr, "usages", ImmutableList.of("digital signature", "key encipherment", "server auth", "client auth")));
    final byte[] encodedApiRequest;
    try {
        encodedApiRequest = OBJECT_MAPPER.writeValueAsBytes(csrApiRequest);
    } catch (JsonProcessingException e) {
        throw new IllegalStateException("Could not encode yaml", e);
    }
    ImmutableGcloudExtension config = getProject().getRootProject().getExtensions().getByType(GcloudExtension.class);
    String command = config.download() ? CommandUtil.getGcloudSdkBinDir(getProject()).resolve("kubectl").toAbsolutePath().toString() : "kubectl";
    getProject().exec(exec -> {
        exec.executable(command);
        exec.args("create", "-f", "-");
        exec.setStandardInput(new ByteArrayInputStream(encodedApiRequest));
    });
    getProject().exec(exec -> {
        exec.executable(command);
        exec.args("certificate", "approve", cluster.namespace() + ".server.crt");
    });
    // Need to wait a bit for certificate to propagate before fetching.
    try {
        TimeUnit.SECONDS.sleep(5);
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
    // Gradle Exec seems to be flaky when reading from stdout, so use normal ProcessBuilder.
    final byte[] certificateBytes;
    try {
        Process getCertProcess = new ProcessBuilder(command, "get", "csr", cluster.namespace() + ".server.crt", "-o", "jsonpath={.status.certificate}").start();
        certificateBytes = ByteStreams.toByteArray(getCertProcess.getInputStream());
    } catch (IOException e) {
        throw new UncheckedIOException("Could not fetch certificate.", e);
    }
    String certificate = new String(Base64.getDecoder().decode(certificateBytes), StandardCharsets.UTF_8);
    final JcaPKCS8Generator keyGenerator;
    final PemObject keyObject;
    try {
        keyGenerator = new JcaPKCS8Generator(keyPair.getPrivate(), null);
        keyObject = keyGenerator.generate();
    } catch (PemGenerationException e) {
        throw new IllegalStateException("Could not encode to pkcs8.", e);
    }
    StringWriter keyWriter = new StringWriter();
    try (JcaPEMWriter pemWriter = new JcaPEMWriter(keyWriter)) {
        pemWriter.writeObject(keyObject);
    } catch (IOException e) {
        throw new IllegalStateException("Could not encode csr, can't happen.", e);
    }
    String key = keyWriter.toString();
    KubernetesClient client = new DefaultKubernetesClient();
    Secret certificateSecret = new SecretBuilder().withMetadata(new ObjectMetaBuilder().withName("server-tls").withNamespace(cluster.namespace()).build()).withType("Opaque").withData(ImmutableMap.of("server.crt", Base64.getEncoder().encodeToString(certificate.getBytes(StandardCharsets.UTF_8)), "server-key.pem", Base64.getEncoder().encodeToString(key.getBytes(StandardCharsets.UTF_8)))).build();
    client.resource(certificateSecret).createOrReplace();
}