Fixes security context rendering of empty object value. (#2007)

This will allow to render `securityContext: {}` and `containerSecurityContext: {}.

In Openshift leaving security context as an empty object sets the right values to the pods and containers to be in compliance with the Security Context Constrains (SCC) in the namespace.

https://docs.openshift.com/container-platform/4.15/authentication/managing-security-context-constraints.html

Signed-off-by: pjuarezd <pjuarezd@users.noreply.github.com>

Author: pjuarezd

helm/tenant/templates/tenant.yaml

@@ -67,11 +67,17 @@ spec:
       {{- with (dig "resources" (dict) .) }}
       resources: {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- if hasKey . "securityContext" }}
+      securityContext: {{- if eq (len .securityContext) 0 }} {} {{- end }}
       {{- with (dig "securityContext" (dict) .) }}
-      securityContext: {{- toYaml . | nindent 8 }}
+      {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- end }}
+      {{- if hasKey . "containerSecurityContext" }}
+      containerSecurityContext: {{- if eq (len .containerSecurityContext) 0 }} {} {{- end }}
       {{- with (dig "containerSecurityContext" (dict) .) }}
-      containerSecurityContext: {{- toYaml . | nindent 8 }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- end }}
       {{- with (dig "topologySpreadConstraints" (list) .) }}
       topologySpreadConstraints: {{- toYaml . | nindent 8 }}
@@ -175,10 +181,11 @@ spec:
     labels: {{- toYaml . | nindent 4 }}
     {{- end }}
     serviceAccountName: {{ .kes.serviceAccountName | quote }}
-    securityContext:
-      runAsUser: {{ .kes.securityContext.runAsUser | int }}
-      runAsGroup: {{ .kes.securityContext.runAsGroup | int }}
-      runAsNonRoot: {{ .kes.securityContext.runAsNonRoot }}
-      fsGroup: {{ .kes.securityContext.fsGroup | int }}
+    {{- if hasKey .kes "securityContext" }}
+    securityContext: {{- if eq (len .kes.securityContext) 0 }} {} {{- end }}
+    {{- with (dig "kes" "securityContext" (dict) .) }}
+    {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- end }}
   {{- end }}
 {{- end }}