OAS-10003 Gateway custom image (#1707)

Author: jwierzbo

CHANGELOG.md

@@ -17,6 +17,7 @@
 - (Feature) Integration Service Authentication
 - (Improvement) Better panic handling
 - (Feature) PongV1 Integration Service
+- (Feature) Custom Gateway image
 
 ## [1.2.42](https://github.com/arangodb/kube-arangodb/tree/1.2.42) (2024-07-23)
 - (Maintenance) Go 1.22.4 & Kubernetes 1.29.6 libraries

docs/api/ArangoDeployment.V1.md

@@ -3045,7 +3045,21 @@ Type: `boolean` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.
 
 ### .spec.gateway.enabled
 
-Type: `boolean` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/deployment/v1/deployment_spec_gateway.go#L24)</sup>
+Type: `boolean` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/deployment/v1/deployment_spec_gateway.go#L29)</sup>
+
+Enabled setting enables/disables support for gateway in the cluster.
+When enabled, the cluster will contain a number of `gateway` servers.
+
+Default Value: `false`
+
+***
+
+### .spec.gateway.image
+
+Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/deployment/v1/deployment_spec_gateway.go#L33)</sup>
+
+Image is the image to use for the gateway.
+By default, the image is determined by the operator.
 
 ***
 

docs/generated/actions.md

@@ -195,5 +195,4 @@ spec:
       WaitForMemberUp: 30m0s
 
 ```
-
 [END_INJECT]: # (actionsModYaml)

pkg/apis/deployment/v1/deployment_spec_gateway.go

@@ -20,10 +20,20 @@
 
 package v1
 
+import "github.com/arangodb/kube-arangodb/pkg/util"
+
 type DeploymentSpecGateway struct {
+	// Enabled setting enables/disables support for gateway in the cluster.
+	// When enabled, the cluster will contain a number of `gateway` servers.
+	// +doc/default: false
 	Enabled *bool `json:"enabled,omitempty"`
+
+	// Image is the image to use for the gateway.
+	// By default, the image is determined by the operator.
+	Image *string `json:"image"`
 }
 
+// IsEnabled returns whether the gateway is enabled.
 func (d *DeploymentSpecGateway) IsEnabled() bool {
 	if d == nil || d.Enabled == nil {
 		return false
@@ -32,6 +42,12 @@ func (d *DeploymentSpecGateway) IsEnabled() bool {
 	return *d.Enabled
 }
 
+// Validate the given spec
 func (d *DeploymentSpecGateway) Validate() error {
 	return nil
 }
+
+// GetImage returns the image to use for the gateway.
+func (d *DeploymentSpecGateway) GetImage() string {
+	return util.TypeOrDefault[string](d.Image)
+}

pkg/apis/deployment/v1/zz_generated.deepcopy.go

@@ -20,8 +20,11 @@
 
 package v2alpha1
 
+import "github.com/arangodb/kube-arangodb/pkg/util"
+
 type DeploymentSpecGateway struct {
-	Enabled *bool `json:"enabled,omitempty"`
+	Enabled *bool   `json:"enabled,omitempty"`
+	Image   *string `json:"image"`
 }
 
 func (d *DeploymentSpecGateway) IsEnabled() bool {
@@ -35,3 +38,7 @@ func (d *DeploymentSpecGateway) IsEnabled() bool {
 func (d *DeploymentSpecGateway) Validate() error {
 	return nil
 }
+
+func (d *DeploymentSpecGateway) GetImage() string {
+	return util.TypeOrDefault[string](d.Image)
+}

pkg/apis/deployment/v2alpha1/deployment_spec_gateway.go

@@ -6568,7 +6568,15 @@ v1:
             description: Gateway defined main Gateway configuration.
             properties:
               enabled:
+                description: |-
+                  Enabled setting enables/disables support for gateway in the cluster.
+                  When enabled, the cluster will contain a number of `gateway` servers.
                 type: boolean
+              image:
+                description: |-
+                  Image is the image to use for the gateway.
+                  By default, the image is determined by the operator.
+                type: string
             type: object
           gateways:
             description: Gateways contain specification for Gateway pods running in deployment mode `Single` or `Cluster`.
@@ -22587,7 +22595,15 @@ v1alpha:
             description: Gateway defined main Gateway configuration.
             properties:
               enabled:
+                description: |-
+                  Enabled setting enables/disables support for gateway in the cluster.
+                  When enabled, the cluster will contain a number of `gateway` servers.
                 type: boolean
+              image:
+                description: |-
+                  Image is the image to use for the gateway.
+                  By default, the image is determined by the operator.
+                type: string
             type: object
           gateways:
             description: Gateways contain specification for Gateway pods running in deployment mode `Single` or `Cluster`.
@@ -38607,6 +38623,8 @@ v2alpha1:
             properties:
               enabled:
                 type: boolean
+              image:
+                type: string
             type: object
           gateways:
             description: Gateways contain specification for Gateway pods running in deployment mode `Single` or `Cluster`.

pkg/apis/deployment/v2alpha1/zz_generated.deepcopy.go

@@ -390,6 +390,9 @@ func (r *Resources) RenderPodForMember(ctx context.Context, acs sutil.ACS, spec
 		}
 	case api.ServerGroupTypeGateway:
 		imageInfo.Image = r.context.GetOperatorImage()
+		if spec.Gateway.GetImage() != "" {
+			imageInfo.Image = spec.Gateway.GetImage()
+		}
 
 		podCreator = &MemberGatewayPod{
 			podName:      podName,