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OSSM-9369: add instructions to Create Istio reader ServiceAccount #93475

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OSSM-9369: add instructions to Create Istio reader ServiceAccount #93475

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OSSM-9369: add instructions to Create Istio reader ServiceAccount
rh-tokeefe May 15, 2025
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OLS-9369: edits from dev review
rh-tokeefe May 16, 2025
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38 changes: 34 additions & 4 deletions modules/ossm-installing-multi-primary-multi-network-mesh.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -123,14 +123,43 @@ $ oc --context "${CTX_CLUSTER2}" apply -f https://raw.githubusercontent.com/isti
$ oc --context "${CTX_CLUSTER2}" apply -n istio-system -f https://raw.githubusercontent.com/istio-ecosystem/sail-operator/main/docs/multicluster/expose-services.yaml
----

. Create the `istio-reader-service-account` for the East cluster by running the following command:
+
[source,terminal]
----
$ oc --context="${CTX_CLUSTER1}" create serviceaccount istio-reader-service-account -n istio-system
----

. Create the `istio-reader-service-account` for the West cluster by running the following command:
+
[source,terminal]
----
$ oc --context="${CTX_CLUSTER2}" create serviceaccount istio-reader-service-account -n istio-system
----

. Add the `cluster-reader` role to the East cluster by running the following command:
+
[source,terminal]
----
$ oc --context="${CTX_CLUSTER1}" adm policy add-cluster-role-to-user cluster-reader -z istio-reader-service-account -n istio-system
----

. Add the `cluster-reader` role to the West cluster by running the following command:
+
[source,terminal]
----
$ oc --context="${CTX_CLUSTER2}" adm policy add-cluster-role-to-user cluster-reader -z istio-reader-service-account -n istio-system
----

. Install a remote secret on the East cluster that provides access to the API server on the West cluster by running the following command:
+
[source,terminal]
----
$ istioctl create-remote-secret \
--context="${CTX_CLUSTER2}" \
--name=cluster2 | \
oc --context="${CTX_CLUSTER1}" apply -f -
--name=cluster2 \
--create-service-account=false | \
oc --context="${CTX_CLUSTER1}" apply -f -
----

. Install a remote secret on the West cluster that provides access to the API server on the East cluster by running the following command:
Expand All @@ -139,6 +168,7 @@ $ istioctl create-remote-secret \
----
$ istioctl create-remote-secret \
--context="${CTX_CLUSTER1}" \
--name=cluster1 | \
oc --context="${CTX_CLUSTER2}" apply -f -
--name=cluster1 \
--create-service-account=false | \
oc --context="${CTX_CLUSTER2}" apply -f -
----