forked from control-center/serviced
/
virtualhostresource.go
199 lines (173 loc) · 5.34 KB
/
virtualhostresource.go
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// Copyright 2014 The Serviced Authors.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package web
import (
"github.com/control-center/serviced/dao"
"github.com/control-center/serviced/domain/service"
"github.com/control-center/serviced/node"
"github.com/zenoss/glog"
"github.com/zenoss/go-json-rest"
"net/url"
"strings"
)
// json object for adding/removing a virtual host with a service
type virtualHostRequest struct {
ServiceID string
Application string
VirtualHostName string
}
// restAddVirtualHost parses payload, adds the vhost to the service, then updates the service
func restAddVirtualHost(w *rest.ResponseWriter, r *rest.Request, client *node.ControlClient) {
var request virtualHostRequest
err := r.DecodeJsonPayload(&request)
if err != nil {
restBadRequest(w, err)
return
}
var services []service.Service
var serviceRequest dao.ServiceRequest
if err := client.GetServices(serviceRequest, &services); err != nil {
glog.Errorf("Could not get services: %v", err)
restServerError(w, err)
return
}
var service *service.Service
for _, _service := range services {
if _service.ID == request.ServiceID {
service = &_service
break
}
}
if service == nil {
glog.Errorf("Could not find service: %s", request.ServiceID)
restServerError(w, err)
return
}
//checkout other virtual hosts for redundancy
_vhost := strings.ToLower(request.VirtualHostName)
for _, service := range services {
if service.Endpoints == nil {
continue
}
for _, endpoint := range service.Endpoints {
for _, host := range endpoint.VHosts {
if host == _vhost {
glog.Errorf("vhost %s already defined for service: %s", request.VirtualHostName, service.ID)
restServerError(w, err)
return
}
}
}
}
err = service.AddVirtualHost(request.Application, request.VirtualHostName)
if err != nil {
glog.Errorf("Unexpected error adding vhost to service (%s): %v", service.Name, err)
restServerError(w, err)
return
}
var unused int
err = client.UpdateService(*service, &unused)
if err != nil {
glog.Errorf("Unexpected error adding vhost to service (%s): %v", service.Name, err)
restServerError(w, err)
return
}
restSuccess(w)
}
// restRemoveVirtualHost removes a vhost name from provided service and endpoint. Parameters are defined in path.
func restRemoveVirtualHost(w *rest.ResponseWriter, r *rest.Request, client *node.ControlClient) {
serviceID, err := url.QueryUnescape(r.PathParam("serviceId"))
if err != nil {
glog.Errorf("Failed getting serviceId: %v", err)
restBadRequest(w, err)
return
}
application, err := url.QueryUnescape(r.PathParam("application"))
if err != nil {
glog.Errorf("Failed getting application: %v", err)
restBadRequest(w, err)
return
}
hostname, err := url.QueryUnescape(r.PathParam("name"))
if err != nil {
glog.Errorf("Failed getting hostname: %v", err)
restBadRequest(w, err)
return
}
var service service.Service
err = client.GetService(serviceID, &service)
if err != nil {
glog.Errorf("Unexpected error getting service (%s): %v", serviceID, err)
restServerError(w, err)
return
}
err = service.RemoveVirtualHost(application, hostname)
if err != nil {
glog.Errorf("Unexpected error removing vhost, %s, from service (%s): %v", hostname, serviceID, err)
restServerError(w, err)
return
}
var unused int
err = client.UpdateService(service, &unused)
if err != nil {
glog.Errorf("Unexpected error removing vhost, %s, from service (%s): %v", hostname, serviceID, err)
restServerError(w, err)
return
}
restSuccess(w)
}
// Get all virtual hosts
type virtualHost struct {
Name string
Application string
ServiceName string
ServiceEndpoint string
}
// restGetVirtualHosts gets all services, then extracts all vhost information and returns it.
func restGetVirtualHosts(w *rest.ResponseWriter, r *rest.Request, client *node.ControlClient) {
var services []service.Service
var serviceRequest dao.ServiceRequest
err := client.GetServices(serviceRequest, &services)
if err != nil {
glog.Errorf("Unexpected error retrieving virtual hosts: %v", err)
restServerError(w, err)
return
}
serviceTree := make(map[string]service.Service)
for _, service := range services {
serviceTree[service.ID] = service
}
vhosts := make([]virtualHost, 0)
for _, service := range services {
if service.Endpoints == nil {
continue
}
for _, endpoint := range service.Endpoints {
if len(endpoint.VHosts) > 0 {
parent, _ := serviceTree[service.ParentServiceID]
for ; len(parent.ParentServiceID) != 0; parent, _ = serviceTree[parent.ParentServiceID] {
}
for _, vhost := range endpoint.VHosts {
vh := virtualHost{
Name: vhost,
Application: parent.Name,
ServiceName: service.Name,
ServiceEndpoint: endpoint.Application,
}
vhosts = append(vhosts, vh)
}
}
}
}
w.WriteJson(&vhosts)
}