Make testing on an AKS cluster a bit easier (#4201)

Adding a DIR override to some tarets so we can point them at the AKS
directory rather than the default KIND directory, in case we want to run
the tests against an AKS cluster.

Author: matthchr

Taskfile.yml

@@ -356,8 +356,9 @@ tasks:
         --set crdPattern=*"
       - task: controller:wait-for-operator-ready
     vars:
+      DIR: "{{.DIR | default .KIND_WORKLOAD_IDENTITY_PATH}}"
       AZURE_MI_CLIENT_ID:
-        sh: "cat {{.KIND_WORKLOAD_IDENTITY_PATH}}/azure/miclientid.txt"
+        sh: "cat {{.DIR}}/azure/miclientid.txt"
 
   controller:test-upgrade-pre:
     desc: Test upgrading {{.CONTROLLER_APP}} and helm chart for new release
@@ -368,8 +369,9 @@ tasks:
       - "kubectl create namespace pre-release"
       - "go test -timeout 15m -count=1 -v -run Test_Pre_Release_ResourceCanBeCreated_BeforeUpgrade ./test/pre-release"
     vars:
+      DIR: "{{.DIR | default .KIND_WORKLOAD_IDENTITY_PATH}}"
       AZURE_MI_CLIENT_ID:
-        sh: "cat {{.KIND_WORKLOAD_IDENTITY_PATH}}/azure/miclientid.txt"
+        sh: "cat {{.DIR}}/azure/miclientid.txt"
 
   controller:test-upgrade-apply-prerelease-chart:
     desc: Apply the {{.CONTROLLER_APP}} prelease chart for new release
@@ -379,8 +381,9 @@ tasks:
       - task: controller:package-helm-manifest
       - task: controller:install-helm-wi
         vars:
+          DIR: "{{.DIR | default .KIND_WORKLOAD_IDENTITY_PATH}}"
           AZURE_MI_CLIENT_ID:
-            sh: "cat {{.KIND_WORKLOAD_IDENTITY_PATH}}/azure/miclientid.txt"
+            sh: "cat {{.DIR}}/azure/miclientid.txt"
 
   controller:test-upgrade-post:
     desc: Test upgrading {{.CONTROLLER_APP}} and helm chart for new release
@@ -962,8 +965,9 @@ tasks:
       - "{{.SCRIPTS_ROOT}}/deploy-testing-secret.sh workloadidentity"
     env:
       # Override the AZURE_CLIENT_ID env variable here
+      DIR: "{{.DIR | default .KIND_WORKLOAD_IDENTITY_PATH}}"
       AZURE_MI_CLIENT_ID:  # TODO: Ideally would override AZURE_CLIENT_ID here but we can't because of https://github.com/go-task/task/issues/1038
-        sh: "cat {{.KIND_WORKLOAD_IDENTITY_PATH}}/azure/miclientid.txt"
+        sh: "cat {{.DIR}}/azure/miclientid.txt"
 
   controller:deploy-multitenant-testing-secret:
     desc: Deploy a multitenant testing secret