open-consul/command/agent/catalog_endpoint.go

153 lines
3.8 KiB
Go

package agent
import (
"fmt"
"github.com/hashicorp/consul/consul/structs"
"net/http"
"strings"
)
func (s *HTTPServer) CatalogRegister(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
var args structs.RegisterRequest
if err := decodeBody(req, &args); err != nil {
resp.WriteHeader(400)
resp.Write([]byte(fmt.Sprintf("Request decode failed: %v", err)))
return nil, nil
}
// Setup the default DC if not provided
if args.Datacenter == "" {
args.Datacenter = s.agent.config.Datacenter
}
// Forward to the servers
var out struct{}
if err := s.agent.RPC("Catalog.Register", &args, &out); err != nil {
return nil, err
}
return true, nil
}
func (s *HTTPServer) CatalogDeregister(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
var args structs.DeregisterRequest
if err := decodeBody(req, &args); err != nil {
resp.WriteHeader(400)
resp.Write([]byte(fmt.Sprintf("Request decode failed: %v", err)))
return nil, nil
}
// Setup the default DC if not provided
if args.Datacenter == "" {
args.Datacenter = s.agent.config.Datacenter
}
// Forward to the servers
var out struct{}
if err := s.agent.RPC("Catalog.Deregister", &args, &out); err != nil {
return nil, err
}
return true, nil
}
func (s *HTTPServer) CatalogDatacenters(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
var out []string
if err := s.agent.RPC("Catalog.ListDatacenters", struct{}{}, &out); err != nil {
return nil, err
}
return out, nil
}
func (s *HTTPServer) CatalogNodes(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// Set default DC
dc := s.agent.config.Datacenter
// Check for other DC
if other := req.URL.Query().Get("dc"); other != "" {
dc = other
}
var out structs.Nodes
if err := s.agent.RPC("Catalog.ListNodes", dc, &out); err != nil {
return nil, err
}
return out, nil
}
func (s *HTTPServer) CatalogServices(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// Set default DC
dc := s.agent.config.Datacenter
// Check for other DC
if other := req.URL.Query().Get("dc"); other != "" {
dc = other
}
var out structs.Services
if err := s.agent.RPC("Catalog.ListServices", dc, &out); err != nil {
return nil, err
}
return out, nil
}
func (s *HTTPServer) CatalogServiceNodes(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// Set default DC
args := structs.ServiceSpecificRequest{
Datacenter: s.agent.config.Datacenter,
}
// Check for other DC
params := req.URL.Query()
if other := params.Get("dc"); other != "" {
args.Datacenter = other
}
// Check for a tag
if _, ok := params["tag"]; ok {
args.ServiceTag = params.Get("tag")
args.TagFilter = true
}
// Pull out the service name
args.ServiceName = strings.TrimPrefix(req.URL.Path, "/v1/catalog/service/")
if args.ServiceName == "" {
resp.WriteHeader(400)
resp.Write([]byte("Missing service name"))
return nil, nil
}
// Make the RPC request
var out structs.ServiceNodes
if err := s.agent.RPC("Catalog.ServiceNodes", &args, &out); err != nil {
return nil, err
}
return out, nil
}
func (s *HTTPServer) CatalogNodeServices(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// Set default Datacenter
args := structs.NodeSpecificRequest{
Datacenter: s.agent.config.Datacenter,
}
// Check for other DC
params := req.URL.Query()
if other := params.Get("dc"); other != "" {
args.Datacenter = other
}
// Pull out the node name
args.Node = strings.TrimPrefix(req.URL.Path, "/v1/catalog/node/")
if args.Node == "" {
resp.WriteHeader(400)
resp.Write([]byte("Missing node name"))
return nil, nil
}
// Make the RPC request
out := new(structs.NodeServices)
if err := s.agent.RPC("Catalog.NodeServices", &args, out); err != nil {
return nil, err
}
return out, nil
}