From d5e693b97f17fd8078b9aa46c492d14fa52a5f7e Mon Sep 17 00:00:00 2001
From: Ace Eldeib <alexeldeib@gmail.com>
Date: Mon, 23 Aug 2021 21:13:05 -0700
Subject: [PATCH] add workload runtime to agent pool api (#15726)

* add workload runtime to agent pool api

* reference example

* add custom words
---
 custom-words.txt                              |  1 +
 .../examples/AgentPoolsCreate_WasmWasi.json   | 58 +++++++++++++++++++
 .../stable/2021-08-01/managedClusters.json    | 28 +++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/examples/AgentPoolsCreate_WasmWasi.json

diff --git a/custom-words.txt b/custom-words.txt
index 56144162c328..14e03480eac2 100644
--- a/custom-words.txt
+++ b/custom-words.txt
@@ -988,6 +988,7 @@ koreacentral
 koreasouth
 Kpis
 Kraaij
+Krustlet
 Ksettings
 kstem
 kube
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/examples/AgentPoolsCreate_WasmWasi.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/examples/AgentPoolsCreate_WasmWasi.json
new file mode 100644
index 000000000000..a0c4add0c83e
--- /dev/null
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/examples/AgentPoolsCreate_WasmWasi.json
@@ -0,0 +1,58 @@
+{
+  "parameters": {
+    "api-version": "2021-08-01",
+    "subscriptionId": "subid1",
+    "resourceGroupName": "rg1",
+    "resourceName": "clustername1",
+    "agentPoolName": "agentpool1",
+    "parameters": {
+      "properties": {
+        "orchestratorVersion": "",
+        "count": 3,
+        "vmSize": "Standard_DS2_v2",
+        "osType": "Linux",
+        "osDiskSizeGB": 64,
+        "mode": "User",
+        "workloadRuntime": "WasmWasi"
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "id": "/subscriptions/subid1/resourcegroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/agentPools/agentpool1",
+        "type": "Microsoft.ContainerService/managedClusters/agentPools",
+        "name": "agentpool1",
+        "properties": {
+          "provisioningState": "Succeeded",
+          "orchestratorVersion": "1.17.8",
+          "count": 3,
+          "vmSize": "Standard_DS2_v2",
+          "maxPods": 110,
+          "osType": "Linux",
+          "osDiskSizeGB": 64,
+          "mode": "User",
+          "workloadRuntime": "WasmWasi"
+        }
+      }
+    },
+    "201": {
+      "body": {
+        "id": "/subscriptions/subid1/resourcegroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/agentPools/agentpool1",
+        "type": "Microsoft.ContainerService/managedClusters/agentPools",
+        "name": "agentpool1",
+        "properties": {
+          "provisioningState": "Creating",
+          "orchestratorVersion": "1.17.8",
+          "count": 3,
+          "vmSize": "Standard_DS2_v2",
+          "maxPods": 110,
+          "osType": "Linux",
+          "osDiskSizeGB": 64,
+          "mode": "User",
+          "workloadRuntime": "WasmWasi"
+        }
+      }
+    }
+  }
+}
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
index 839eef75828a..7ffce8d88b91 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2021-08-01/managedClusters.json
@@ -1044,6 +1044,9 @@
           },
           "Create Agent Pool using an agent pool snapshot": {
             "$ref": "./examples/AgentPoolsCreate_Snapshot.json"
+          },
+          "Create Agent Pool with Krustlet and the WASI runtime": {
+            "$ref": "./examples/AgentPoolsCreate_WasmWasi.json"
           }
         }
       },
@@ -2618,6 +2621,9 @@
         "kubeletDiskType": {
           "$ref": "#/definitions/KubeletDiskType"
         },
+        "workloadRuntime": {
+          "$ref": "#/definitions/WorkloadRuntime"
+        },
         "vnetSubnetID": {
           "type": "string",
           "title": "The ID of the subnet which agent pool nodes and optionally pods will join on startup.",
@@ -4882,6 +4888,28 @@
       },
       "description": "Determines the placement of emptyDir volumes, container runtime data root, and Kubelet ephemeral storage."
     },
+    "WorkloadRuntime": {
+      "type": "string",
+      "enum": [
+        "OCIContainer",
+        "WasmWasi"
+      ],
+      "x-ms-enum": {
+        "name": "WorkloadRuntime",
+        "modelAsString": true,
+        "values": [
+          {
+            "value": "OCIContainer",
+            "description": "Nodes will use Kubelet to run standard OCI container workloads."
+          },
+          {
+            "value": "WasmWasi",
+            "description": "Nodes will use Krustlet to run WASM workloads using the WASI provider (Preview)."
+          }
+        ]
+      },
+      "description": "Determines the placement of emptyDir volumes, container runtime data root, and Kubelet ephemeral storage."
+    },
     "KubeletConfig": {
       "title": "Kubelet configurations of agent nodes.",
       "description": "See [AKS custom node configuration](https://docs.microsoft.com/azure/aks/custom-node-configuration) for more details.",