From 7564dde9c17b268ed74d6aa8f59a381bd10adabb Mon Sep 17 00:00:00 2001
From: Suraj Deshmukh <suraj@kinvolk.io>
Date: Mon, 9 Nov 2020 18:42:56 +0530
Subject: [PATCH] linkerd: Disable inbuilt prometheus and grafana

- Add new variable `prometheus_url` where user can provide the link to
  the external prometheus from where linkerd can scrape the metrics.

Signed-off-by: Suraj Deshmukh <suraj@kinvolk.io>
---
 pkg/components/linkerd/component.go | 5 +++--
 pkg/components/linkerd/manifest.go  | 7 +++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/pkg/components/linkerd/component.go b/pkg/components/linkerd/component.go
index f71f2b2f1..5b6e04055 100644
--- a/pkg/components/linkerd/component.go
+++ b/pkg/components/linkerd/component.go
@@ -41,8 +41,9 @@ func init() {
 }
 
 type component struct {
-	ControllerReplicas int  `hcl:"controller_replicas,optional"`
-	EnableMonitoring   bool `hcl:"enable_monitoring,optional"`
+	ControllerReplicas int    `hcl:"controller_replicas,optional"`
+	EnableMonitoring   bool   `hcl:"enable_monitoring,optional"`
+	PrometheusURL      string `hcl:"prometheus_url,optional"`
 
 	Cert cert
 }
diff --git a/pkg/components/linkerd/manifest.go b/pkg/components/linkerd/manifest.go
index 34eb0a433..1a7877f71 100644
--- a/pkg/components/linkerd/manifest.go
+++ b/pkg/components/linkerd/manifest.go
@@ -18,6 +18,7 @@ package linkerd
 const chartValuesTmpl = `
 enableMonitoring: {{.EnableMonitoring}}
 global:
+  prometheusUrl: {{ .PrometheusURL }}
   identityTrustAnchorsPEM: |
 {{ .Cert.CA }}
 
@@ -30,6 +31,12 @@ identity:
       keyPEM: |
 {{ .Cert.Key }}
 
+prometheus:
+  enabled: false
+
+grafana:
+  enabled: false
+
 # controller configuration
 controllerReplicas: {{.ControllerReplicas}}
 `