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Add explicit hub/tag overrides for Helm commands (#8475) 

Helm charts are no longer templated at release build time to contain the correct
default hub/tag but instead point to testing hub and latest tag.

Updated docs to instruct users to explicitly set the hub and tag while executing
Helm commands.
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Neeraj Poddar 2020-11-09 20:19:29 -07:00 committed by GitHub
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21
content/en/docs/setup/install/helm/index.md
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@ -67,21 +67,24 @@ follow the instructions below.
1. Install the Istio discovery chart which deploys the `istiod` service:
{{< text bash >}}
$ helm install --namespace istio-system istiod manifests/charts/istio-control/istio-discovery
$ helm install --namespace istio-system istiod manifests/charts/istio-control/istio-discovery \
--set global.hub="docker.io/istio" --set global.tag="{{< istio_full_version >}}"
{{< /text >}}
1. (Optional) Install the Istio ingress gateway chart which contains the ingress
gateway components:
{{< text bash >}}
$ helm install --namespace istio-system istio-ingress manifests/charts/gateways/istio-ingress
$ helm install --namespace istio-system istio-ingress manifests/charts/gateways/istio-ingress \
--set global.hub="docker.io/istio" --set global.tag="{{< istio_full_version >}}"
{{< /text >}}
1. (Optional) Install the Istio egress gateway chart which contains the egress
gateway components:
{{< text bash >}}
$ helm install --namespace istio-system istio-egress manifests/charts/gateways/istio-egress
$ helm install --namespace istio-system istio-egress manifests/charts/gateways/istio-egress \
--set global.hub="docker.io/istio" --set global.tag="{{< istio_full_version >}}"
{{< /text >}}
## Verifying the installation
@ -148,15 +151,18 @@ preserve your custom configuration during Helm upgrades.
1. Upgrade the Istio discovery chart:
{{< text bash >}}
$ helm upgrade --namespace istio-system istiod manifests/charts/istio-control/istio-discovery
$ helm upgrade --namespace istio-system istiod manifests/charts/istio-control/istio-discovery \
--set global.hub="docker.io/istio" --set global.tag="<version_to_upgrade>"
{{< /text >}}
1. (Optional) Upgrade the Istio ingress or egress gateway charts if installed in
your cluster:
{{< text bash >}}
$ helm upgrade --namespace istio-system istio-ingress manifests/charts/gateways/istio-ingress
$ helm upgrade --namespace istio-system istio-egress manifests/charts/gateways/istio-egress
$ helm upgrade --namespace istio-system istio-ingress manifests/charts/gateways/istio-ingress \
--set global.hub="docker.io/istio" --set "global.tag=<version_to_upgrade>"
$ helm upgrade --namespace istio-system istio-egress manifests/charts/gateways/istio-egress \
--set global.hub="docker.io/istio" --set "global.tag=<version_to_upgrade>"
{{< /text >}}
### Canary Upgrade
@ -178,7 +184,8 @@ gateways.
value:
{{< text bash >}}
$ helm install --namespace istio-system istiod-canary manifests/charts/istio-control/istio-discovery --set revision=canary
$ helm install --namespace istio-system istiod-canary manifests/charts/istio-control/istio-discovery --set revision=canary \
--set global.hub="docker.io/istio" --set global.tag=<version_to_upgrade>
{{< /text >}}
1. Verify that you have two versions of `istiod` installed in your cluster: