Add hostAliases support for Tenant

helm/tenant/templates/tenant.yaml

@@ -157,6 +157,9 @@ spec:
   {{- with (dig "env" (list) .) }}
   env: {{- toYaml . | nindent 4 }}
   {{- end }}
+  {{- with (dig "hostAliases" (list) .) }}
+  hostAliases: {{- toYaml . | nindent 4 }}
+  {{- end }}
   {{- if dig "priorityClassName" "" . }}
   priorityClassName: {{ dig "priorityClassName" "" . }}
   {{- end }}

helm/tenant/values.yaml

@@ -362,6 +362,17 @@ tenant:
   # Add environment variables to be set in MinIO container (https://github.com/minio/minio/tree/master/docs/config)
   env: [ ]
   ###
+  # Add custom host aliases to MinIO pods.
+  #
+  # Example:
+  #
+  # .. code-block:: yaml
+  #
+  #    - ip: "10.10.10.10"
+  #      hostnames:
+  #      - "internal.example.local"
+  hostAliases: [ ]
+  ###
   # PriorityClassName indicates the Pod priority and hence importance of a Pod relative to other Pods.
   # This is applied to MinIO pods only.
   # Refer Kubernetes documentation for details https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass/

pkg/apis/minio.min.io/v2/types.go

@@ -298,6 +298,11 @@ type TenantSpec struct {
 	PriorityClassName string `json:"priorityClassName,omitempty"`
 	// *Optional* +
 	//
+	// Maps IP addresses to hostnames at the pod level. Entries are added to the `/etc/hosts` file on each MinIO pod.
+	// +optional
+	HostAliases []corev1.HostAlias `json:"hostAliases,omitempty"`
+	// *Optional* +
+	//
 	// The pull policy for the MinIO Docker image. Specify one of the following: +
 	//
 	// * `Always` +

pkg/resources/statefulsets/minio-statefulset.go

@@ -659,6 +659,7 @@ func NewPool(args *NewPoolArgs) *appsv1.StatefulSet {
 					SecurityContext:               poolSecurityContext(pool, poolStatus),
 					ServiceAccountName:            t.Spec.ServiceAccountName,
 					PriorityClassName:             t.Spec.PriorityClassName,
+					HostAliases:                   t.Spec.HostAliases,
 					TerminationGracePeriodSeconds: pool.TerminationGracePeriodSeconds,
 				},
 			},

resources/base/crds/minio.min.io_tenants.yaml

@@ -3778,6 +3778,18 @@ spec:
                 type: boolean
               serviceAccountName:
                 type: string
+              hostAliases:
+                items:
+                  properties:
+                    hostnames:
+                      items:
+                        type: string
+                      type: array
+                      x-kubernetes-list-type: atomic
+                    ip:
+                      type: string
+                  type: object
+                type: array
               serviceMetadata:
                 properties:
                   consoleServiceAnnotations: