Fabric8:OpenShift/Kubernetes java客户机，创建像ClusterResourceQuota这样的自定义对象

Question

我被特定的openshift对象ClusterResourceQuota（quota.openshift.io/v1)所困扰，它没有被fabric8Io-kubernetes-client公开。

是否有其他方法来创建这样的对象，即使从文件加载...？

Answer 1

我是Fabric8队的。Fabric8 Kubernetes客户端支持通过两种方式创建自定义对象：

• 类型化API（需要提供自定义资源模型）
• 无类型API（将自定义资源作为普通HashMaps处理）

假设您已经为ClusterResourceQuota和ClusterResourceQuota提供了POJO。您可以像这样为特定的自定义资源创建kubernetes客户机实例，并将其用于自定义资源操作：

try (KubernetesClient client = new DefaultKubernetesClient()) {
    // Create ClusterResourceQuota object
    ClusterResourceQuota clusterResourceQuota = getClusterResourceQuota();

    // ClusterResourceQuota Client
    MixedOperation<ClusterResourceQuota, ClusterResourceQuotaList, DoneableClusterResourceQuota, Resource<ClusterResourceQuota, DoneableClusterResourceQuota>> clusterResourceQuotaClient = null;
    CustomResourceDefinitionContext context = new CustomResourceDefinitionContext
            .Builder()
            .withGroup("quota.openshift.io")
            .withKind("ClusterResourceQuota")
            .withName("clusterresourcequota-crd")
            .withPlural("clusterresourcequotas")
            .withScope("Namespaced")
            .withVersion("v1")
            .build();

    // Initializing ClusterResourceQuota Client, POJOs to be provided
    clusterResourceQuotaClient = client.customResources(context, ClusterResourceQuota.class, ClusterResourceQuotaList.class, DoneableClusterResourceQuota.class);
    // Using ClusterResourceQuota Client to create ClusterResourceQuota resource
    clusterResourceQuotaClient.inNamespace("default").createOrReplace(clusterResourceQuota);
}

try (KubernetesClient client = new DefaultKubernetesClient()) {
    // Create Custom Resource Context
    CustomResourceDefinitionContext context = new CustomResourceDefinitionContext
            .Builder()
            .withGroup("quota.openshift.io")
            .withKind("ClusterResourceQuota")
            .withName("clusterresourcequota-crd")
            .withPlural("clusterresourcequotas")
            .withScope("Namespaced")
            .withVersion("v1")
            .build();

    // Load from Yaml
    Map<String, Object> clusterResourceQuota = client.customResource(context)
            .load(CustomResourceCreateDemoTypeless.class.getResourceAsStream("/clusterquota-cr.yml"));
    // Create Custom Resource
    client.customResource(context).create("default", clusterResourceQuota);
} catch (IOException e) {
    e.printStackTrace();
}