Linkerd Helm Chart Value (#1652) (#1715)

* Linkerd Helm Chart Value (#1652)

* Added linkerd option to settings helm template.
* Added documentation for the linkerd option.
* Added to changelog entry.

changelog/v0.21.2/add-linkerd-helm-option.yaml

@@ -0,0 +1,4 @@
+changelog:
+  - type: HELM
+    description: Added Helm `settings.linkerd` chart value
+    issueLink: https://github.com/solo-io/gloo/issues/1651

install/helm/gloo/generate/values.go

@@ -104,6 +104,7 @@ type Settings struct {
 	Create          bool          `json:"create" desc:"create a Settings CRD which provides bootstrap configuration to Gloo controllers"`
 	Extensions      interface{}   `json:"extensions,omitempty"`
 	SingleNamespace bool          `json:"singleNamespace" desc:"Enable to use install namespace as WatchNamespace and WriteNamespace"`
+	Linkerd         bool          `json:"linkerd" desc:"Enable automatic Linkerd integration in Gloo."`
 }
 
 type Gloo struct {

install/helm/gloo/templates/18-settings.yaml

@@ -23,6 +23,9 @@ spec:
   kubernetesConfigSource: {}
   kubernetesSecretSource: {}
   refreshRate: 60s
+{{- if .Values.settings.linkerd }}
+  linkerd: true
+{{- end }}
 {{- if .Values.settings.integrations.knative.enabled }}
   knative:
 {{- if (regexMatch "[0-9]+[.][0-7]+[.][0-9]+" .Values.settings.integrations.knative.version ) }}

install/helm/gloo/values-gateway-template.yaml

@@ -9,6 +9,7 @@ k8s:
 settings:
   # if this is set to false, default settings will be created by pods upon boot
   create: true
+  linkerd: false
   integrations:
     knative:
       enabled: false

install/helm/gloo/values-knative-template.yaml

@@ -8,6 +8,7 @@ k8s:
 
 settings:
   create: true
+  linkerd: false
   integrations:
     knative:
       enabled: true