fabric8 kubernetes patch finalizer

MixedOperation<Dummy, DummyList, DoneableDummy, Resource<Dummy, DoneableDummy>> dummyCRClient = client .customResources(dummyCRD, Dummy.class, DummyList.class, DoneableDummy.class); // Fetch resource fom Kubernetes API server Dummy dummy2 = dummyCRClient.inNamespace("default").withName("second-dummy").get(); // Get metadata ObjectMeta objectMeta = dummy2.getMetadata(); // Modify metadata objectMeta.setFinalizers(Collections.singletonList("finalizer.stable.example.com")); // Patch it back in Custom Resource dummy2.setMetadata(objectMeta); // Patch to Kubernetes dummyCRClient.inNamespace("default").withName("second-dummy").patch(dummy2);

try (KubernetesClient client = new DefaultKubernetesClient()) {
    CustomResourceDefinitionContext crdContext = new CustomResourceDefinitionContext.Builder()
            .withGroup("demo.fabric8.io")
            .withPlural("dummies")
            .withScope("Namespaced")
            .withVersion("v1")
            .withName("dummies.demo.fabric8.io")
            .build();
    // Fetch resource fom Kubernetes API server
    Map<String, Object> dummy2  = client.customResource(crdContext).get("default", "second-dummy");
    JSONObject dummy2JsonObj = new JSONObject(dummy2);
    // Get metadata
    JSONObject dummy2ObjectMeta = dummy2JsonObj.getJSONObject("metadata");
    // Modify metadata
    dummy2ObjectMeta.put("finalizers", new String[] { "finalizer.stable.example.com"});
    // Patch it back in Custom Resource
    dummy2JsonObj.put("metadata", dummy2ObjectMeta);

    // Patch to Kubernetes
    client.customResource(crdContext).edit("default", "second-dummy", dummy2JsonObj.toString());
}

Posted by: Guest on August-10-2020

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