Add Scheme option to bosun toml

cmd/bosun/bosun.example.toml

@@ -1,6 +1,9 @@
 # Note: This file is tested as part of Bosun's tests. Editing outside of comments
 # may cause tests to fail
 
+# Scheme will be used with Hostname when links are created in templates (i.e. acknowledge links)
+Scheme = "https"
+
 # Hostname will be used when links are created in templates (i.e. acknowledge links)
 Hostname = "bosun.example.com"
 

cmd/bosun/conf/system.go

@@ -23,6 +23,7 @@ type SystemConf struct {
 	TLSKeyFile  string
 
 	Hostname      string
+	Scheme        string // default http
 	Ping          bool
 	PingDuration  Duration // Duration from now to stop pinging hosts based on time since the host tag was touched
 	TimeAndDate   []int    // timeanddate.com cities list
@@ -222,6 +223,7 @@ const (
 // NewSystemConf retruns a system conf with default values set
 func newSystemConf() *SystemConf {
 	return &SystemConf{
+		Scheme:          "http",
 		CheckFrequency:  Duration{Duration: time.Minute * 5},
 		DefaultRunEvery: 1,
 		HTTPListen:      defaultHTTPListen,
@@ -539,7 +541,7 @@ func (sc *SystemConf) AnnotateEnabled() bool {
 // MakeLink creates a HTML Link based on Bosun's configured Hostname
 func (sc *SystemConf) MakeLink(path string, v *url.Values) string {
 	u := url.URL{
-		Scheme:   "http",
+		Scheme:   sc.Scheme,
 		Host:     sc.Hostname,
 		Path:     path,
 		RawQuery: v.Encode(),

cmd/bosun/conf/system_test.go

@@ -16,6 +16,7 @@ func TestSystemToml(t *testing.T) {
 		return
 	}
 	assert.Equal(t, sc.Hostname, "bosun.example.com", "Hostname not equal")
+	assert.Equal(t, sc.Scheme, "https", "Scheme does not match")
 	assert.Equal(t, sc.DefaultRunEvery, 5)
 	assert.Equal(t, sc.CheckFrequency, Duration{time.Minute})
 	assert.Equal(t, sc.Ping, true)