func()

in alertmanager/client/client.go [194:239]

• 39 lines of code
• 10 McCabe index (conditional complexity)

func (c *client) ModifyTenantRoute(tenantID string, route *config.Route) error {
	c.Lock()
	defer c.Unlock()
	conf, err := c.readConfigFile()
	if err != nil {
		return err
	}

	// ensure base route is valid base route for this tenant
	baseRoute := c.getBaseRouteForTenant(tenantID, conf)
	if route.Receiver != baseRoute.Receiver {
		return fmt.Errorf("route base receiver is incorrect (should be \"%s\"). "+
			"The base node should match nothing, then add routes as children of the base node", baseRoute.Receiver)
	}

	if route.Match == nil {
		route.Match = map[string]string{}
	}

	if c.conf.Tenancy.RestrictorLabel != "" {
		route.Match[c.conf.Tenancy.RestrictorLabel] = tenantID
	}

	for _, childRoute := range route.Routes {
		if childRoute == nil {
			continue
		}
		secureRoute(tenantID, childRoute)
	}

	tenantRouteIdx := conf.GetRouteIdx(config.MakeBaseRouteName(tenantID))
	if tenantRouteIdx < 0 {
		err := conf.InitializeNetworkBaseRoute(route, c.conf.Tenancy.RestrictorLabel, tenantID)
		if err != nil {
			return err
		}
	} else {
		conf.Route.Routes[tenantRouteIdx] = route
	}

	err = conf.Validate()
	if err != nil {
		return err
	}
	return c.writeConfigFile(conf)
}