[MM-28313] Add Cloud Billing feature flag (#15391)

app/diagnostics.go

@@ -636,6 +636,7 @@ func (s *Server) trackConfig() {
 		"enable_click_to_reply":              *cfg.ExperimentalSettings.EnableClickToReply,
 		"restrict_system_admin":              *cfg.ExperimentalSettings.RestrictSystemAdmin,
 		"use_new_saml_library":               *cfg.ExperimentalSettings.UseNewSAMLLibrary,
+		"cloud_billing":                      *cfg.ExperimentalSettings.CloudBilling,
 	})
 
 	s.SendDiagnostic(TRACK_CONFIG_ANALYTICS, map[string]interface{}{

config/client.go

@@ -53,6 +53,7 @@ func GenerateClientConfig(c *model.Config, diagnosticID string, license *model.L
 	props["ExperimentalEnableClickToReply"] = strconv.FormatBool(*c.ExperimentalSettings.EnableClickToReply)
 
 	props["ExperimentalCloudUserLimit"] = strconv.FormatInt(*c.ExperimentalSettings.CloudUserLimit, 10)
+	props["ExperimentalCloudBilling"] = strconv.FormatBool(*c.ExperimentalSettings.CloudBilling)
 	if *c.ServiceSettings.ExperimentalChannelOrganization || *c.ServiceSettings.ExperimentalGroupUnreadChannels != model.GROUP_UNREAD_CHANNELS_DISABLED {
 		props["ExperimentalChannelOrganization"] = strconv.FormatBool(true)
 	} else {

model/config.go

@@ -863,6 +863,7 @@ type ExperimentalSettings struct {
 	RestrictSystemAdmin             *bool   `access:"experimental,write_restrictable"`
 	UseNewSAMLLibrary               *bool   `access:"experimental"`
 	CloudUserLimit                  *int64  `access:"experimental,write_restrictable"`
+	CloudBilling                    *bool   `access:"experimental,write_restrictable"`
 }
 
 func (s *ExperimentalSettings) SetDefaults() {
@@ -890,6 +891,11 @@ func (s *ExperimentalSettings) SetDefaults() {
 		// User limit 0 is treated as no limit
 		s.CloudUserLimit = NewInt64(0)
 	}
+
+	if s.CloudBilling == nil {
+		s.CloudBilling = NewBool(false)
+	}
+
 	if s.UseNewSAMLLibrary == nil {
 		s.UseNewSAMLLibrary = NewBool(false)
 	}