Is this a BUG or FEATURE REQUEST?:

BUG

Did you review https://istio.io/help/ and existing issues to identify if this is already solved or being worked on?: Y

Bug:
Y/N

What Version of Istio and Kubernetes are you using, where did you get Istio from, Installation details

istioctl version
Version: 0.6.0
GitRevision: 2cb09cdf040a8573330a127947b11e5082619895
User: root@a28f609ab931
Hub: docker.io/istio
GolangVersion: go1.9
BuildStatus: Clean

kubectl version
Client Version: version.Info{Major:"1", Minor:"9", GitVersion:"v1.9.1", GitCommit:"3a1c9449a956b6026f075fa3134ff92f7d55f812", GitTreeState:"clean", BuildDate:"2018-01-04T11:52:23Z", GoVersion:"go1.9.2", Compiler:"gc", Platform:"windows/amd64"}
Server Version: version.Info{Major:"", Minor:"", GitVersion:"v1.9.4", GitCommit:"bee2d1505c4fe820744d26d41ecd3fdd4a3d6546", GitTreeState:"clean", BuildDate:"2018-03-21T21:48:36Z", GoVersion:"go1.9.1", Compiler:"gc", Platform:"linux/amd64"}

Also, running on Minikube:
minikube version: v0.25.2

I cloned Istio's source code to get Istio (due to a bug in the Helm charts and me needing to manually package the helm chart from source).

Is Istio Auth enabled or not ?
Did you install istio.yaml, istio-auth.yaml....
No

What happened:
Deploying with rbacEnabled=false fails with a timeout. This seems to me to be related to RBAC. I made some changes (I attached a diff of the changes I made), and after that, the helm install succeeded.

diff.txt

I figured this might work after noticing the prometheus Deployment object wrapping the serviceAccountName in the conditional for .Values.global.rbacEnabled, but that was missing in various other places.

What you expected to happen:
I expect the helm install to succeed.

How to reproduce it:

1. Clone the Istio source
2. Run helm install istio/install/kubernetes/helm/istio --name istio --namespace=istio-system --set global.rbacEnabled=false