List valid mesh providers in CRD and help docs

the list of values was incomplete in the cli help, the flagger chart,
and was not present as an enum in the CRD

Signed-off-by: Mara Furland <mara@fur.land>

artifacts/flagger/crd.yaml

@@ -85,6 +85,26 @@ spec:
                 provider:
                   description: Traffic managent provider
                   type: string
+                  enum:
+                    - apisix
+                    - appmesh
+                    - appmesh:v1beta2
+                    - contour
+                    - gatewayapi:v1
+                    - gatewayapi:v1beta1
+                    - gloo
+                    - istio
+                    - knative
+                    - kubernetes
+                    - kuma
+                    - linkerd
+                    - nginx
+                    - osm
+                    - skipper
+                    - smi:v1alpha1
+                    - smi:v1alpha2
+                    - smi:v1alpha3
+                    - traefik
                 metricsServer:
                   description: Prometheus URL
                   type: string

charts/flagger/crds/crd.yaml

@@ -85,6 +85,26 @@ spec:
                 provider:
                   description: Traffic managent provider
                   type: string
+                  enum:
+                    - apisix
+                    - appmesh
+                    - appmesh:v1beta2
+                    - contour
+                    - gatewayapi:v1
+                    - gatewayapi:v1beta1
+                    - gloo
+                    - istio
+                    - knative
+                    - kubernetes
+                    - kuma
+                    - linkerd
+                    - nginx
+                    - osm
+                    - skipper
+                    - smi:v1alpha1
+                    - smi:v1alpha2
+                    - smi:v1alpha3
+                    - traefik
                 metricsServer:
                   description: Prometheus URL
                   type: string

charts/flagger/values.yaml

@@ -32,7 +32,7 @@ serviceMonitor:
   # Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
   # labels:
 
-# accepted values are kubernetes, istio, linkerd, appmesh, contour, nginx, gloo, skipper, traefik, apisix
+# accepted values are apisix, appmesh, appmesh:v1beta2, contour, gatewayapi:v1, gatewayapi:v1beta1, gloo, istio, knative, kubernetes, kuma, linkerd, nginx, osm, skipper, smi:v1alpha1, smi:v1alpha2, smi:v1alpha3, traefik
 meshProvider: ""
 
 # single namespace restriction

cmd/flagger/main.go

@@ -112,7 +112,7 @@ func init() {
 	flag.BoolVar(&zapReplaceGlobals, "zap-replace-globals", false, "Whether to change the logging level of the global zap logger.")
 	flag.StringVar(&zapEncoding, "zap-encoding", "json", "Zap logger encoding.")
 	flag.StringVar(&namespace, "namespace", "", "Namespace that flagger would watch canary object.")
-	flag.StringVar(&meshProvider, "mesh-provider", "istio", "Service mesh provider, can be istio, linkerd, appmesh, contour, knative, gloo, nginx, skipper, traefik, apisix, osm or kuma.")
+	flag.StringVar(&meshProvider, "mesh-provider", "istio", "Service mesh provider, can be apisix, appmesh, appmesh:v1beta2, contour, gatewayapi:v1, gatewayapi:v1beta1, gloo, istio, knative, kubernetes, kuma, linkerd, nginx, osm, skipper, smi:v1alpha1, smi:v1alpha2, smi:v1alpha3, or traefik.")
 	flag.StringVar(&selectorLabels, "selector-labels", "app,name,app.kubernetes.io/name", "List of pod labels that Flagger uses to create pod selectors.")
 	flag.StringVar(&ingressAnnotationsPrefix, "ingress-annotations-prefix", "nginx.ingress.kubernetes.io", "Annotations prefix for NGINX ingresses.")
 	flag.StringVar(&ingressClass, "ingress-class", "", "Ingress class used for annotating HTTPProxy objects.")

kustomize/base/flagger/crd.yaml

@@ -85,6 +85,26 @@ spec:
                 provider:
                   description: Traffic managent provider
                   type: string
+                  enum:
+                    - apisix
+                    - appmesh
+                    - appmesh:v1beta2
+                    - contour
+                    - gatewayapi:v1
+                    - gatewayapi:v1beta1
+                    - gloo
+                    - istio
+                    - knative
+                    - kubernetes
+                    - kuma
+                    - linkerd
+                    - nginx
+                    - osm
+                    - skipper
+                    - smi:v1alpha1
+                    - smi:v1alpha2
+                    - smi:v1alpha3
+                    - traefik
                 metricsServer:
                   description: Prometheus URL
                   type: string