be able to add containers to Kiali pod

part of: kiali/kiali#5028
operator PR: kiali/kiali-operator#524

Author: jmazzitelli

kiali-operator/templates/deployment.yaml

@@ -88,6 +88,8 @@ spec:
         - name: ALLOW_AD_HOC_OSSMCONSOLE_IMAGE
           value: {{ .Values.allowAdHocOSSMConsoleImage | quote }}
 {{- end }}
+        - name: ALLOW_AD_HOC_CONTAINERS
+          value: {{ .Values.allowAdHocContainers | quote }}
         - name: ALLOW_SECURITY_CONTEXT_OVERRIDE
           value: {{ .Values.allowSecurityContextOverride | quote }}
         - name: ALLOW_ALL_ACCESSIBLE_NAMESPACES

kiali-operator/values.yaml

@@ -77,6 +77,10 @@ allowAdHocKialiImage: false
 # This is only applicable when running on OpenShift.
 allowAdHocOSSMConsoleImage: false
 
+# allowAdHocContainers tells the operator to allow a user to be able to install additional pod containers to the Kiali pod.
+# In other words, it will allow the Kiali CR spec.deployment.additional_pod_containers_yaml to be configured by the user.
+allowAdHocContainers: false
+
 # allowSecurityContextOverride tells the operator to allow a user to be able to fully override the Kiali
 # container securityContext. If this is false, certain securityContext settings must exist on the Kiali
 # container and any attempt to override them will be ignored.

kiali-server/templates/deployment.yaml

@@ -139,6 +139,9 @@ spec:
         resources:
         {{- toYaml .Values.deployment.resources | nindent 10 }}
         {{- end }}
+      {{- if .Values.deployment.additional_pod_containers_yaml }}
+      {{- toYaml .Values.deployment.additional_pod_containers_yaml | nindent 6 }}
+      {{- end }}
       volumes:
       - name: {{ include "kiali-server.fullname" . }}-configuration
         configMap:

kiali-server/values.yaml

@@ -35,6 +35,7 @@ deployment:
   # For more control over what the Kial Service Account can see, use the Kiali Operator
   accessible_namespaces:
   - "**"
+  additional_pod_containers_yaml: {}
   additional_service_yaml: {}
   affinity:
     node: {}