Install helm releases the usual way

This is to ensure that all helm releases installations succeed.

[CI] Switch testing to the entire platform.

Change-Id: If8fba281e25d7bf412b11ec01e1e2469cde06ef6

playbooks/helm/run.yaml

@@ -1,15 +1,25 @@
 - hosts: all
   tasks:
-    - name: Install helm charts
+    - name: Pull helm charts deps
-      include_role:
+      command: "helm dependency build {{ helm_chart }}"
-        name: helm-template
       vars:
-        helm_release_name: "{{ zj_item.key }}"
         helm_chart: "{{ zj_item.value }}"
-        helm_wait_for_pods: false  # we want this once and with more control
       loop: "{{ helm_charts | dict2items }}"
       loop_control:
         loop_var: 'zj_item'
+      args:
+        chdir: "{{ zuul.project.src_dir }}"
+
+    - name: Install helm charts
+      command: "helm install {{ helm_release_name }} {{ helm_chart }}"
+      vars:
+        helm_release_name: "{{ zj_item.key }}"
+        helm_chart: "{{ zj_item.value }}"
+      loop: "{{ helm_charts | dict2items }}"
+      loop_control:
+        loop_var: 'zj_item'
+      args:
+        chdir: "{{ zuul.project.src_dir }}"
 
     - name: Wait for the deployments
       command: kubectl wait --for=condition=Available --timeout=300s deployment --all

zuul.d/project.yaml

@@ -22,20 +22,6 @@
               # NOTE: hackish way to only run it when its definition changes
               # as no files exist in this repo that control its behaviour
               - ^never-existing-file$
-        - nebulous-component-template-apply-helm-charts:
-            vars:
-              zuul_work_dir: src/opendev.org/nebulous/component-template
-            required-projects:
-              - nebulous/component-template
-            files: &nebulous-component-template-apply-helm-charts-files
-              - ^playbooks/helm/
-              - ^playbooks/kubernetes/
-              - ^roles/check-pod-restarts/
-              - ^roles/collect-kubernetes-pods-logs/
-              - ^roles/collect-kubernetes-state/
-              - ^roles/ensure-minikube/
-        - opendev-buildset-registry:
-            files: *nebulous-component-template-apply-helm-charts-files
 
         # cross-testing with library-template
         - nebulous-library-template-build-java-libraries:
@@ -48,5 +34,17 @@
               - ^roles/install-jdk/
               - ^roles/install-maven/
 
+        # cross-testing the main helm gate
+        - nebulous-platform-apply-helm-charts:
+            files: &nebulous-component-template-apply-helm-charts-files
+              - ^playbooks/helm/
+              - ^playbooks/kubernetes/
+              - ^roles/check-pod-restarts/
+              - ^roles/collect-kubernetes-pods-logs/
+              - ^roles/collect-kubernetes-state/
+              - ^roles/ensure-minikube/
+        - opendev-buildset-registry:
+            files: *nebulous-component-template-apply-helm-charts-files
+
     gate:
       jobs: *check-jobs