Add support for OKE as an OpenShift flavor

component/alertrules.libsonnet

@@ -53,11 +53,8 @@ local ignore_alerts = std.set(
 local runbook(alertname) =
   'https://hub.syn.tools/rook-ceph/runbooks/%s.html' % alertname;
 
-local on_openshift =
-  inv.parameters.facts.distribution == 'openshift4';
-
 local alertpatching =
-  if on_openshift then
+  if helpers.on_openshift then
     import 'lib/alert-patching.libsonnet'
   else
     local patchRule(rule, patches={}, patch_name=true) =
@@ -91,7 +88,7 @@ local alertpatching =
     );
 
 local prom =
-  if on_openshift then
+  if helpers.on_openshift then
     import 'lib/prom.libsonnet'
   else
     std.trace(

component/cephcluster.libsonnet

@@ -6,8 +6,6 @@ local params = inv.parameters.rook_ceph;
 
 local helpers = import 'helpers.libsonnet';
 
-local on_openshift = inv.parameters.facts.distribution == 'openshift4';
-
 local serviceaccounts =
   if params.ceph_cluster.namespace != params.namespace then {
     [std.strReplace(suffix, '-', '_')]: kube.ServiceAccount('rook-ceph-%s' % suffix) {
@@ -26,7 +24,7 @@ local roles =
   if params.ceph_cluster.namespace != params.namespace then {
     // For OCP4 we need the metrics discovery role in the cluster
     // namespace, if it differs from the operator namespace.
-    [if on_openshift then 'metrics']:
+    [if helpers.on_openshift then 'metrics']:
       helpers.metrics_role(params.ceph_cluster.namespace),
     osd: kube.Role('rook-ceph-osd') {
       metadata+: {
@@ -100,7 +98,7 @@ local rolebindings =
   if params.ceph_cluster.namespace != params.namespace then
     (
       // For OCP4, we need the metrics discovery rolebinding
-      if on_openshift then [
+      if helpers.on_openshift then [
         helpers.ocp_metrics_rolebinding(
           params.ceph_cluster.namespace,
           roles.metrics,
@@ -284,7 +282,7 @@ local toolbox =
               super.containers[0] {
                 image: '%(registry)s/%(image)s:%(tag)s' % params.images.rook,
                 // Remove securityContext config on OCP4
-                [if on_openshift then 'securityContext']: {},
+                [if helpers.on_openshift then 'securityContext']: {},
               },
             ],
           tolerations: params.tolerations,

component/csi_metrics.libsonnet

@@ -5,12 +5,10 @@ local params = inv.parameters.rook_ceph;
 
 local helpers = import 'helpers.libsonnet';
 
-local on_openshift = inv.parameters.facts.distribution == 'openshift4';
-
 local ocp_role = helpers.metrics_role(params.namespace);
 
 local rbac =
-  if on_openshift then [
+  if helpers.on_openshift then [
     ocp_role,
     helpers.ocp_metrics_rolebinding(
       params.namespace,

component/helpers.libsonnet

@@ -55,9 +55,13 @@ local nodeAffinity = {
   },
 };
 
+local on_openshift =
+  std.member([ 'openshift4', 'oke' ], inv.parameters.facts.distribution);
+
 {
   load_manifest: load_manifest,
   metrics_role: metrics_role,
   ocp_metrics_rolebinding: ocp_metrics_rolebinding,
   nodeAffinity: nodeAffinity,
+  on_openshift: on_openshift,
 }

component/main.jsonnet

@@ -3,13 +3,11 @@ local kube = import 'lib/kube.libjsonnet';
 local inv = kap.inventory();
 local params = inv.parameters.rook_ceph;
 
-local on_openshift =
-  inv.parameters.facts.distribution == 'openshift4';
-
 local cephcluster = import 'cephcluster.libsonnet';
+local helpers = import 'helpers.libsonnet';
 
 local ns_config =
-  if on_openshift then {
+  if helpers.on_openshift then {
     metadata+: {
       annotations+: {
         // set node selector to allow pods to be scheduled on all nodes -> CSI
@@ -106,7 +104,7 @@ std.mapWithKey(
   {
     '00_namespaces': namespaces,
     '01_aggregated_rbac': aggregated_rbac.cluster_roles,
-    [if on_openshift then '02_openshift_sccs']: ocp_config.sccs,
+    [if helpers.on_openshift then '02_openshift_sccs']: ocp_config.sccs,
     '03_rbac_fixes': cephfs_rbac_fix,
     '10_cephcluster_rbac': cephcluster.rbac,
     '10_cephcluster_configoverride': cephcluster.configmap,