Getting started with k8s API.

deploy/crds/vmoperator-crd.yaml

@@ -0,0 +1,94 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: vms.vmoperator.jdrupes.org
+spec:
+  group: vmoperator.jdrupes.org
+  # list of versions supported by this CustomResourceDefinition
+  versions:
+    - name: v1
+      served: true
+      storage: true
+      schema:
+        openAPIV3Schema:
+          type: object
+          properties:
+            spec:
+              type: object
+              properties:
+                image:
+                  type: object
+                  properties:
+                    repository: 
+                      type: string
+                      default: "ghcr.io"
+                    path:
+                      type: string
+                      default: "mnlipp/org.jdrupes.vmoperator.runner.qemu-arch"
+                    version:
+                      type: string
+                      default: "latest"
+                    pullPolicy:
+                      type: string
+                      enum: [ "IfNotPresent", "Always" ]
+                      default: "IfNotPresent"
+                vm:
+                  type: object
+                  properties:
+                    name: 
+                      type: string
+                    machineUuid:
+                      type: string
+                    host:
+                      type: string
+                    useTpm:
+                      type: boolean
+                      default: false
+                    firmware:
+                      type: string
+                      default: "uefi"
+                    cpuModel:
+                      type: string
+                      default: "host"
+                    maximumCpus:
+                      type: integer
+                      default: 4
+                    currentCpus:
+                      type: integer
+                      default: 2
+                    maximumRam:
+                      type: string
+                      default: "1G"
+                    currentRam:
+                      type: string
+                    rtcBase:
+                      type: string
+                      default: "utc"
+                    spicePort:
+                      type: integer
+                    networks:
+                      type: array
+                      items:
+                        type: object
+                        properties:
+                          bridge:
+                            type: object
+                            properties:
+                              name: 
+                                type: string
+                                default: "br0"
+                              mac: 
+                                type: string
+                  required: 
+                  - name
+              required:
+              - vm              
+  # either Namespaced or Cluster
+  scope: Namespaced
+  names:
+    # plural name to be used in the URL: /apis/<group>/<version>/<plural>
+    plural: vms
+    # singular name to be used as an alias on the CLI and for display
+    singular: vm
+    # kind is normally the CamelCased singular type. Your resource manifests use this.
+    kind: Vm

deploy/test-vm.yaml

@@ -0,0 +1,19 @@
+image:
+  repository: docker-registry.lan.mnl.de
+  path: vmoperator/org.jdrupes.vmoperator.runner.qemu-arch
+  pullPolicy: Always
+
+vm:
+  maximumCpus: 4
+  currentCpus: 4
+  maximumMemory: "8 GiB"
+  currentMemory: "4 GiB"
+  spicePort: 5910
+  
+  # Currently only block devices are supported as VM disks
+  disks:
+  - device: /dev/vgmain/test-vm
+    size: 40Gi
+  networks:
+  - bridge:
+      mac: "00:16:3e:33:59:10"

org.jdrupes.vmoperator.manager/build.gradle

@@ -17,6 +17,7 @@ dependencies {
     implementation project(':org.jdrupes.vmoperator.util')
     
     implementation 'commons-cli:commons-cli:1.5.0'
+    implementation 'io.kubernetes:client-java:18.0.0'
 }
 
 application {

org.jdrupes.vmoperator.manager/src/org/jdrupes/vmoperator/manager/Manager.java

@@ -18,6 +18,17 @@
 
 package org.jdrupes.vmoperator.manager;
 
+import io.kubernetes.client.openapi.ApiClient;
+import io.kubernetes.client.openapi.ApiException;
+import io.kubernetes.client.openapi.Configuration;
+import io.kubernetes.client.openapi.apis.CoreV1Api;
+import io.kubernetes.client.openapi.apis.CustomObjectsApi;
+import io.kubernetes.client.openapi.models.V1Pod;
+import io.kubernetes.client.openapi.models.V1PodList;
+import io.kubernetes.client.util.Config;
+import io.kubernetes.client.util.Yaml;
+
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
@@ -45,10 +56,25 @@ public class Manager extends Component {
      * Handle the start event.
      *
      * @param event the event
+     * @throws IOException 
+     * @throws ApiException 
      */
     @Handler
-    public void onStart(Start event) {
-        System.out.println("Hello World!");
+    public void onStart(Start event) throws IOException, ApiException {
+        ApiClient client = Config.defaultClient();
+        Configuration.setDefaultApiClient(client);
+
+        CoreV1Api api = new CoreV1Api();
+        V1PodList list = api.listPodForAllNamespaces(null, null, null, null,
+            null, null, null, null, null, null);
+        for (V1Pod item : list.getItems()) {
+            System.out.println(item.getMetadata().getName());
+        }
+
+//        CustomObjectsApi cApi = new CustomObjectsApi();
+//        var obj = cApi.getNamespacedCustomObject("vmoperator.jdrupes.org", "v1",
+//            "default", "vms", "test");
+//        obj = null;
     }
 
     @Handler