109 lines
2.0 KiB
Go
109 lines
2.0 KiB
Go
package registry
|
|
|
|
import (
|
|
"errors"
|
|
|
|
consul "github.com/hashicorp/consul/api"
|
|
)
|
|
|
|
type ConsulRegistry struct {
|
|
Client *consul.Client
|
|
}
|
|
|
|
var (
|
|
ConsulCheckTTL = "30s"
|
|
)
|
|
|
|
func (c *ConsulRegistry) Deregister(s Service) error {
|
|
if len(s.Nodes()) == 0 {
|
|
return errors.New("Require at least one node")
|
|
}
|
|
|
|
node := s.Nodes()[0]
|
|
|
|
_, err := c.Client.Catalog().Deregister(&consul.CatalogDeregistration{
|
|
Node: node.Id(),
|
|
Address: node.Address(),
|
|
ServiceID: node.Id(),
|
|
}, nil)
|
|
|
|
return err
|
|
}
|
|
|
|
func (c *ConsulRegistry) Register(s Service) error {
|
|
if len(s.Nodes()) == 0 {
|
|
return errors.New("Require at least one node")
|
|
}
|
|
|
|
node := s.Nodes()[0]
|
|
|
|
_, err := c.Client.Catalog().Register(&consul.CatalogRegistration{
|
|
Node: node.Id(),
|
|
Address: node.Address(),
|
|
Service: &consul.AgentService{
|
|
ID: node.Id(),
|
|
Service: s.Name(),
|
|
Port: node.Port(),
|
|
},
|
|
}, nil)
|
|
|
|
return err
|
|
}
|
|
|
|
func (c *ConsulRegistry) GetService(name string) (Service, error) {
|
|
rsp, _, err := c.Client.Catalog().Service(name, "", nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cs := &ConsulService{}
|
|
|
|
for _, s := range rsp {
|
|
if s.ServiceName != name {
|
|
continue
|
|
}
|
|
|
|
cs.ServiceName = s.ServiceName
|
|
cs.ServiceNodes = append(cs.ServiceNodes, &ConsulNode{
|
|
Node: s.Node,
|
|
NodeId: s.ServiceID,
|
|
NodeAddress: s.Address,
|
|
NodePort: s.ServicePort,
|
|
})
|
|
}
|
|
|
|
return cs, nil
|
|
}
|
|
|
|
func (c *ConsulRegistry) NewService(name string, nodes ...Node) Service {
|
|
var snodes []*ConsulNode
|
|
|
|
for _, node := range nodes {
|
|
if n, ok := node.(*ConsulNode); ok {
|
|
snodes = append(snodes, n)
|
|
}
|
|
}
|
|
|
|
return &ConsulService{
|
|
ServiceName: name,
|
|
ServiceNodes: snodes,
|
|
}
|
|
}
|
|
|
|
func (c *ConsulRegistry) NewNode(id, address string, port int) Node {
|
|
return &ConsulNode{
|
|
Node: id,
|
|
NodeId: id,
|
|
NodeAddress: address,
|
|
NodePort: port,
|
|
}
|
|
}
|
|
|
|
func NewConsulRegistry() Registry {
|
|
client, _ := consul.NewClient(consul.DefaultConfig())
|
|
|
|
return &ConsulRegistry{
|
|
Client: client,
|
|
}
|
|
}
|