enable fleet cluster deployment (#356)

* added fleet exception to rollout cmd

* removed fleet check for rollout

* modified casing

* modified approach for fleet check

* tidying up

* defaulting to Microsoft.ContainerService/managedClusters

* ran prettier command

* modified manifest stablity check

* ran prettier check

* moved lowercase check to beginning

---------

Co-authored-by: audrastump <stumpaudra@microsoft.com>

src/utilities/manifestStabilityUtils.test.ts

@@ -0,0 +1,27 @@
+import * as manifestStabilityUtils from './manifestStabilityUtils'
+import {Kubectl} from '../types/kubectl'
+
+describe('manifestStabilityUtils', () => {
+   const kc = new Kubectl('')
+   const resources = [
+      {
+         type: 'deployment',
+         name: 'test',
+         namespace: 'default'
+      }
+   ]
+   const resourceType = 'microsoft.containerservice/fleets'
+
+   it('should return immediately if the resource type is microsoft.containerservice/fleets', async () => {
+      const spy = jest.spyOn(manifestStabilityUtils, 'checkManifestStability')
+      const checkRolloutStatusSpy = jest.spyOn(kc, 'checkRolloutStatus')
+      await manifestStabilityUtils.checkManifestStability(
+         kc,
+         resources,
+         resourceType
+      )
+
+      expect(checkRolloutStatusSpy).not.toHaveBeenCalled()
+      expect(spy).toHaveReturned()
+   })
+})

src/utilities/manifestStabilityUtils.ts

@@ -9,8 +9,16 @@ const POD = 'pod'
 
 export async function checkManifestStability(
    kubectl: Kubectl,
-   resources: Resource[]
+   resources: Resource[],
+   resourceType: string
 ): Promise<void> {
+   // Skip if resource type is microsoft.containerservice/fleets
+   if (resourceType === 'microsoft.containerservice/fleets') {
+      core.info(
+         'Skipping checkManifestStability for microsoft.containerservice/fleets'
+      )
+      return
+   }
    let rolloutStatusHasErrors = false
    for (let i = 0; i < resources.length; i++) {
       const resource = resources[i]