generate addon for elastic cloud

addons/terraform-elastic/definitions/terraform-elastic-deployment.yaml

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+apiVersion: core.oam.dev/v1beta1
+kind: ComponentDefinition
+metadata:
+  annotations:
+    definition.oam.dev/description: ""
+  creationTimestamp: null
+  labels:
+    type: terraform
+  name: elastic-deployment
+  namespace: vela-system
+spec:
+  schematic:
+    terraform:
+      configuration: https://github.com/puppetlabs/terraform-ec-deployment.git
+      providerRef:
+        name: elastic
+        namespace: default
+      type: remote
+  workload:
+    definition:
+      apiVersion: terraform.core.oam.dev/v1beta1
+      kind: Configuration
+status: {}

addons/terraform-elastic/metadata.yaml

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+name: terraform-elastic
+version: 1.0.0
+description: Kubernetes Terraform Controller Provider for Elastic Cloud
+url: https://github.com/oam-dev/terraform-controller
+
+tags:
+  - Terraform Controller Provider
+  - IaC
+  - Cloud Resources
+
+deployTo:
+  control_plane: true
+  runtime_cluster: false
+
+dependencies:
+  - name: terraform
+
+
+# When enabling a Terraform provider, these properties need to set for authentication. For Tencent Cloud,
+# name: Environment variable name when authenticating Terraform, like https://github.com/oam-dev/terraform-controller/blob/master/controllers/provider/credentials.go#L59
+# secretKey: Secret key when storing authentication information in a Kubernetes, like https://github.com/oam-dev/terraform-controller/blob/master/controllers/provider/credentials.go#L109.
+cloudProperties:
+  - name: EC_API_KEY
+    secretKey: ecApiKey
+    description: Get EC_API_KEY per this guide https://www.elastic.co/guide/en/cloud-enterprise/current/ece-restful-api-authentication.html

addons/terraform-elastic/readme.md

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+# Addon terraform-elastic
+
+This addon contains Terraform provider for Elastic Cloud.

addons/terraform-elastic/resources/elastic-account-creds.cue

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+import "strings"
+
+output: {
+	type: "raw"
+	properties: {
+		apiVersion: "v1"
+		kind:       "Secret"
+		metadata: {
+			name:      "elastic-account-creds"
+			namespace: "vela-system"
+		}
+		type: "Opaque"
+		stringData: credentials: strings.Join([
+							"ecApiKey: " + parameter.EC_API_KEY,
+						], "\n")
+	}
+}
+

addons/terraform-elastic/resources/elastic-provider.cue

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+output: {
+	type: "raw"
+	properties: {
+		apiVersion: "terraform.core.oam.dev/v1beta1"
+		kind:       "Provider"
+		metadata: {
+			name:      "elastic"
+			namespace: "default"
+		}
+		spec: {
+			provider: "elastic"
+			credentials: {
+				source: "Secret"
+				secretRef: {
+					namespace: "vela-system"
+					name:      "elastic-account-creds"
+					key:       "credentials"
+				}
+			}
+		}
+	}
+}

addons/terraform-elastic/resources/parameter.cue

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+parameter: {
+	//+usage=Get EC_API_KEY per this guide https://www.elastic.co/guide/en/cloud-enterprise/current/ece-restful-api-authentication.html
+	EC_API_KEY: *"" | string
+}

addons/terraform-elastic/template.yaml

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+apiVersion: core.oam.dev/v1beta1
+kind: Application
+metadata:
+  name: terraform-elastic
+  namespace: vela-system