From 959562eb4e13a681459d704bfd8087330500ecf0 Mon Sep 17 00:00:00 2001
From: Mara Furland <mara@fur.land>
Date: Fri, 20 Feb 2026 11:38:23 -0500
Subject: [PATCH] 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      | 20 ++++++++++++++++++++
 charts/flagger/crds/crd.yaml    | 20 ++++++++++++++++++++
 charts/flagger/values.yaml      |  2 +-
 cmd/flagger/main.go             |  2 +-
 kustomize/base/flagger/crd.yaml | 20 ++++++++++++++++++++
 5 files changed, 62 insertions(+), 2 deletions(-)

diff --git a/artifacts/flagger/crd.yaml b/artifacts/flagger/crd.yaml
index e138b66d4..4baf9c609 100644
--- a/artifacts/flagger/crd.yaml
+++ b/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
diff --git a/charts/flagger/crds/crd.yaml b/charts/flagger/crds/crd.yaml
index e138b66d4..4baf9c609 100644
--- a/charts/flagger/crds/crd.yaml
+++ b/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
diff --git a/charts/flagger/values.yaml b/charts/flagger/values.yaml
index dbc9fc017..b274b9cb3 100644
--- a/charts/flagger/values.yaml
+++ b/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
diff --git a/cmd/flagger/main.go b/cmd/flagger/main.go
index fa7bb1a94..2031c506f 100644
--- a/cmd/flagger/main.go
+++ b/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.")
diff --git a/kustomize/base/flagger/crd.yaml b/kustomize/base/flagger/crd.yaml
index e138b66d4..4baf9c609 100644
--- a/kustomize/base/flagger/crd.yaml
+++ b/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