wasm shim image from env var (#41)

Author: eguzki

bundle/manifests/kuadrant-operator.clusterserviceversion.yaml

@@ -338,6 +338,9 @@ spec:
                 - --leader-elect
                 command:
                 - /manager
+                env:
+                - name: RELATED_IMAGE_WASMSHIM
+                  value: oci://quay.io/kuadrant/wasm-shim:latest
                 image: quay.io/kuadrant/kuadrant-operator:latest
                 livenessProbe:
                   httpGet:
@@ -433,4 +436,7 @@ spec:
   provider:
     name: Red Hat
     url: https://github.com/Kuadrant/kuadrant-operator
+  relatedImages:
+  - image: oci://quay.io/kuadrant/wasm-shim:latest
+    name: wasmshim
   version: 0.0.0

config/manager/manager.yaml

@@ -29,6 +29,9 @@ spec:
         - /manager
         args:
         - --leader-elect
+        env:
+        - name: RELATED_IMAGE_WASMSHIM
+          value: "oci://quay.io/kuadrant/wasm-shim:latest"
         image: controller:latest
         name: manager
         securityContext:

controllers/kuadrant_controller.go

@@ -21,6 +21,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+
 	"github.com/go-logr/logr"
 	authorinov1beta1 "github.com/kuadrant/authorino-operator/api/v1beta1"
 	limitadorv1alpha1 "github.com/kuadrant/limitador-operator/api/v1alpha1"
@@ -405,6 +406,8 @@ func (r *KuadrantReconciler) createOnlyInKuadrantNSCb(ctx context.Context, kObj
 				obj.Spec.Template.Spec.Containers[0].Env,
 				v1.EnvVar{Name: envLimitadorNamespace, Value: kObj.Namespace},
 				v1.EnvVar{Name: envLimitadorName, Value: limitadorName},
+				// env var name taken from https://github.com/Kuadrant/kuadrant-controller/blob/4e9763bbabc8a7b5f7695aa4f53d9edc0c376ba3/pkg/rlptools/wasm_utils.go#L18
+				v1.EnvVar{Name: "WASM_FILTER_IMAGE", Value: common.GetWASMShimImageVersion()},
 			)
 			newObj = obj
 		// TODO: DRY the following 2 case switches

pkg/common/wasm_shim_image.go

@@ -0,0 +1,10 @@
+package common
+
+const (
+	DEFAULT_WASMSHIM_IMAGE_VERSION = "oci://quay.io/kuadrant/wasm-shim:latest"
+	WASM_SHIM_IMAGE_ENV_NAME       = "RELATED_IMAGE_WASMSHIM"
+)
+
+func GetWASMShimImageVersion() string {
+	return FetchEnv(WASM_SHIM_IMAGE_ENV_NAME, DEFAULT_WASMSHIM_IMAGE_VERSION)
+}