docs: Add documentation to run redis-ha in OpenShift (argoproj#4759)

Signed-off-by: William Tam <[email protected]>
arghya88 · Nov 6, 2020 · dcb5f07 · dcb5f07
1 parent 9625e50
commit dcb5f07
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/docs/operator-manual/high_availability.md b/docs/operator-manual/high_availability.md
@@ -9,6 +9,13 @@ A set HA of manifests are provided for users who wish to run Argo CD in a highly
 !!! note
     The HA installation will require at least three different nodes due to pod anti-affinity roles in the specs.
 
+
+In OpenShift clusters, `argocd-redis-ha` service accounts need to be granted `nonroot` Security Context Constraints (SCC) by running the following OpenShift commands which allow Redis containers to run as non-root users.
+```shell
+$ oc adm policy add-scc-to-user nonroot -z argocd-redis-ha
+$ oc adm policy add-scc-to-user nonroot -z argocd-redis-ha-haproxy
+```
+
 ## Scaling Up
 
 ### argocd-repo-server