crd: require unique hosts

Example validation message: ``` Error from server (Invalid): error when creating "rg.yaml": RouteGroup.zalando.org "duplicate-hosts" is invalid: spec.hosts[1]: Duplicate value: "foo.example.org" ``` Signed-off-by: Alexander Yastrebov <[email protected]>
szuecs · Mar 27, 2024 · af6dccf · af6dccf
1 parent 5c0ecfd
commit af6dccf
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Showing 3 changed files with 2 additions and 6 deletions.
diff --git a/apis/zalando.org/v1/types.go b/apis/zalando.org/v1/types.go
@@ -43,6 +43,7 @@ type RouteGroupList struct {
 type RouteGroupSpec struct {
 	// List of hostnames for the RouteGroup
 	// +kubebuilder:validation:MinItems=1
+	// +listType=set
 	Hosts []string `json:"hosts,omitempty"`
 	// List of backends that can be referenced in the routes
 	Backends []RouteGroupBackend `json:"backends"`

diff --git a/client/clientset/versioned/doc.go b/client/clientset/versioned/doc.go
diff --git a/zalando.org_routegroups.yaml b/zalando.org_routegroups.yaml
@@ -136,6 +136,7 @@ spec:
                   type: string
                 minItems: 1
                 type: array
+                x-kubernetes-list-type: set
               routes:
                 description: Routes describe how a matching HTTP request is handled
                   and where it is forwarded to