Add Azure secret store (#57)

Signed-off-by: Aaron Crawfis <[email protected]>

azure/statestores.bicep

@@ -0,0 +1,92 @@
+/*
+Copyright 2023 The Radius Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+@description('Radius-provided object containing information about the resouce calling the Recipe')
+param context object
+
+@description('The geo-location where the resource lives.')
+param location string = resourceGroup().location
+
+@description('Sets this Dapr State Store as the actor state store. Only one Dapr State Store can be set as the actor state store. Defaults to false.')
+param actorStateStore bool = false
+
+resource storageAccount 'Microsoft.Storage/storageAccounts@2022-05-01' = {
+  name: 'recipe${uniqueString(context.resource.id, resourceGroup().id)}'
+  location: location
+  sku: {
+    name: 'Standard_ZRS'
+  }
+  kind: 'StorageV2'
+
+  resource blob 'blobServices' = {
+    name: 'default'
+
+    resource container 'containers' = {
+      name: context.resource.name
+    }
+  }
+}
+
+import kubernetes as k8s {
+  kubeConfig: ''
+  namespace: context.runtime.kubernetes.namespace
+}
+
+var daprType = 'state.azure.blobstorage'
+var daprVersion = 'v1'
+
+resource daprComponent 'dapr.io/Component@v1alpha1' = {
+  metadata: {
+    name: context.resource.name
+  }
+  spec: {
+    type: daprType
+    version: daprVersion
+    metadata: [
+      {
+        name: 'accountName'
+        value: storageAccount.name
+      }
+      // Temporarily setting raw secret value until richer secret store support in Radius
+      {
+        name: 'accountKey'
+        value: storageAccount.listKeys().keys[0].value
+      }
+      {
+        name: 'containerName'
+        value: storageAccount::blob::container.name
+      }
+      {
+        name: 'actorStateStore'
+        value: actorStateStore ? 'true' : 'false'
+      }
+    ]
+  }
+}
+
+output result object = {
+  // This workaround is needed because the deployment engine omits Kubernetes resources from its output.
+  // This allows Kubernetes resources to be cleaned up when the resource is deleted.
+  // Once this gap is addressed, users won't need to do this.
+  resources: [
+    '/planes/kubernetes/local/namespaces/${daprComponent.metadata.namespace}/providers/dapr.io/Component/${daprComponent.metadata.name}'
+  ]
+  values: {
+    type: daprType
+    version: daprVersion
+    metadata: daprComponent.spec.metadata
+  }
+}