func (r elbRouter) AddBackend(name string) error {
var err error
options := elb.CreateLoadBalancer{
Name: name,
Listeners: []elb.Listener{
{
InstancePort: 80,
InstanceProtocol: "HTTP",
LoadBalancerPort: 80,
Protocol: "HTTP",
},
},
}
vpc, _ := config.GetBool("juju:elb-use-vpc")
if vpc {
options.Subnets, err = config.GetList("juju:elb-vpc-subnets")
if err != nil {
return err
}
options.SecurityGroups, err = config.GetList("juju:elb-vpc-secgroups")
if err != nil {
return err
}
options.Scheme = "internal"
} else {
options.AvailZones, err = config.GetList("juju:elb-avail-zones")
if err != nil {
return err
}
}
_, err = r.elb().CreateLoadBalancer(&options)
return router.Store(name, name)
}
func (r *fakeRouter) AddBackend(name string) error {
if r.HasBackend(name) {
return errors.New("Backend already exists")
}
r.mutex.Lock()
defer r.mutex.Unlock()
r.backends[name] = nil
return router.Store(name, name)
}
func (hipacheRouter) AddBackend(name string) error {
domain, err := config.GetString("hipache:domain")
if err != nil {
return &routeError{"add", err}
}
frontend := "frontend:" + name + "." + domain
conn := connect()
defer conn.Close()
_, err = conn.Do("RPUSH", frontend, name)
if err != nil {
return &routeError{"add", err}
}
return router.Store(name, name)
}