mirror of
https://github.com/go-micro/go-micro.git
synced 2024-12-18 08:26:38 +02:00
74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package selector
|
|
|
|
import (
|
|
"github.com/micro/go-micro/registry"
|
|
)
|
|
|
|
// FilterEndpoint is an endpoint based Select Filter which will
|
|
// only return services with the endpoint specified.
|
|
func FilterEndpoint(name string) Filter {
|
|
return func(old []*registry.Service) []*registry.Service {
|
|
var services []*registry.Service
|
|
|
|
for _, service := range old {
|
|
for _, ep := range service.Endpoints {
|
|
if ep.Name == name {
|
|
services = append(services, service)
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
return services
|
|
}
|
|
}
|
|
|
|
// FilterLabel is a label based Select Filter which will
|
|
// only return services with the label specified.
|
|
func FilterLabel(key, val string) Filter {
|
|
return func(old []*registry.Service) []*registry.Service {
|
|
var services []*registry.Service
|
|
|
|
for _, service := range old {
|
|
serv := new(registry.Service)
|
|
var nodes []*registry.Node
|
|
|
|
for _, node := range service.Nodes {
|
|
if node.Metadata == nil {
|
|
continue
|
|
}
|
|
|
|
if node.Metadata[key] == val {
|
|
nodes = append(nodes, node)
|
|
}
|
|
}
|
|
|
|
// only add service if there's some nodes
|
|
if len(nodes) > 0 {
|
|
// copy
|
|
*serv = *service
|
|
serv.Nodes = nodes
|
|
services = append(services, serv)
|
|
}
|
|
}
|
|
|
|
return services
|
|
}
|
|
}
|
|
|
|
// FilterVersion is a version based Select Filter which will
|
|
// only return services with the version specified.
|
|
func FilterVersion(version string) Filter {
|
|
return func(old []*registry.Service) []*registry.Service {
|
|
var services []*registry.Service
|
|
|
|
for _, service := range old {
|
|
if service.Version == version {
|
|
services = append(services, service)
|
|
}
|
|
}
|
|
|
|
return services
|
|
}
|
|
}
|