[Addon kubevela#579] Add Apache Kyuubi as a experimental addon

Signed-off-by: yanghua <[email protected]>

experimental/addons/kyuubi/README.md

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+# kyuubi
+
+This is an addon template. Check how to build your own addon: https://kubevela.net/docs/platform-engineers/addon/intro

experimental/addons/kyuubi/definitions/mytrait.cue

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+// We put Definitions in definitions directory.
+// References:
+// - https://kubevela.net/docs/platform-engineers/cue/definition-edit
+// - https://kubevela.net/docs/platform-engineers/addon/intro#definitions-directoryoptional
+"mytrait": {
+	alias: "mt"
+	annotations: {}
+	attributes: {
+		appliesToWorkloads: [
+			"deployments.apps",
+			"replicasets.apps",
+			"statefulsets.apps",
+		]
+		conflictsWith: []
+		podDisruptive:   false
+		workloadRefPath: ""
+	}
+	description: "My trait description."
+	labels: {}
+	type: "trait"
+}
+template: {
+	parameter: {param: ""}
+	outputs: {sample: {}}
+}

experimental/addons/kyuubi/metadata.yaml

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+description: An addon for KubeVela.
+icon: ""
+invisible: false
+name: kyuubi
+tags:
+- my-tag
+version: 1.0.0

experimental/addons/kyuubi/parameter.cue

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+// parameter.cue is used to store addon parameters.
+//
+// You can use these parameters in template.cue or in resources/ by 'parameter.myparam'
+//
+// For example, you can use parameters to allow the user to customize
+// container images, ports, and etc.
+parameter: {
+	// +usage=Custom parameter description
+	myparam: *"myns" | string
+}

experimental/addons/kyuubi/resources/myresource.cue

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+// We put Components in resources directory.
+// References:
+// - https://kubevela.net/docs/end-user/components/references
+// - https://kubevela.net/docs/platform-engineers/addon/intro#resources-directoryoptional
+output: {
+	type: "k8s-objects"
+	properties: {
+		objects: [
+			{
+				// This creates a plain old Kubernetes namespace
+				apiVersion: "v1"
+				kind:       "Namespace"
+				// We can use the parameter defined in parameter.cue like this.
+				metadata: name: parameter.myparam
+			},
+		]
+	}
+}

experimental/addons/kyuubi/schemas/myschema.yaml

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+# We put UI Schemas that correspond to Definitions in schemas directory.
+# References:
+# - https://kubevela.net/docs/platform-engineers/addon/intro#schemas-directoryoptional
+# - https://kubevela.net/docs/reference/ui-schema
+- jsonKey: myparam
+  label: MyParam
+  validate:
+    required: true

experimental/addons/kyuubi/template.cue

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+package main
+output: {
+	apiVersion: "core.oam.dev/v1beta1"
+	kind:       "Application"
+	spec: {
+		components: [
+			{
+                type: "k8s-objects"
+				name: "kyuubi-ns"
+				properties: objects: [{
+					apiVersion: "v1"
+					kind:       "Namespace"
+					metadata: name: parameter.namespace
+                }]
+            },
+            {
+                name: "flink-operator-helm"
+                type: "helm"
+                dependsOn: ["kyuubi-ns"]
+                type: "helm"
+                properties: {
+                    repoType: "helm"
+                    url:      "https://github.com/apache/kyuubi/tree/master/charts/kyuubi"
+                    chart:    "kyuubi"
+                    targetNamespace: parameter["namespace"]
+                    version:  "1.6.0"
+                    values: {
+                        webhook: {
+                            create: parameter["createWebhook"]
+                        }
+
+                        image: {
+                            repository: parameter["imageRepository"]
+                            tag: parameter["imageTag"]
+						}
+
+                        jobServiceAccount: {
+                            create: parameter["createJobServiceAccount"]
+                        }
+
+                        operatorServiceAccount: {
+                            name: "flink-kubernetes-operator"
+						}
+                    }
+                }
+            }
+		]
+		policies: [
+			{
+				type: "shared-resource"
+				name: "namespace"
+				properties: rules: [{
+					selector: resourceTypes: ["Namespace"]
+                }]
+            },
+            {
+				type: "topology"
+				name: "deploy-cert-manager-ns"
+				properties: {
+					namespace: parameter.namespace
+					if parameter.clusters != _|_ {
+						clusters: parameter.clusters
+					}
+					if parameter.clusters == _|_ {
+						clusterLabelSelector: {}
+					}
+				}
+			}
+		]
+	}
+}

experimental/addons/kyuubi/views/my-view.cue

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+// We put VelaQL views in views directory.
+//
+// VelaQL(Vela Query Language) is a resource query language for KubeVela, 
+// used to query status of any extended resources in application-level.
+// Reference: https://kubevela.net/docs/platform-engineers/system-operation/velaql
+//
+// This VelaQL View querys the status of this addon.
+// Use this view to query by:
+//     vela ql --query 'my-view{addonName:kyuubi}.status'
+// You should see 'running'.
+
+import (
+	"vela/ql"
+)
+
+app: ql.#Read & {
+	value: {
+		kind:       "Application"
+		apiVersion: "core.oam.dev/v1beta1"
+		metadata: {
+			name:      "addon-" + parameter.addonName
+			namespace: "vela-system"
+		}
+	}
+}
+
+parameter: {
+	addonName: *"kyuubi" | string
+}
+
+status: app.value.status.status