func (s *Server) GetInstances(w http.ResponseWriter, req *http.Request, params httprouter.Params) {
instances, err := s.Backend.GetClusterInstances(params.ByName("cluster_id"))
if err != nil {
httphelper.Error(w, err)
return
}
if instances == nil {
instances = []*Instance{}
}
httphelper.JSON(w, 200, struct {
Data []*Instance `json:"data"`
}{instances})
}
func (s *Server) CreateInstance(w http.ResponseWriter, req *http.Request, params httprouter.Params) {
var data struct {
Data *Instance `json:"data"`
}
if err := httphelper.DecodeJSON(req, &data); err != nil {
httphelper.Error(w, err)
return
}
inst := data.Data
inst.ClusterID = params.ByName("cluster_id")
inst.CreatorIP = sourceIP(req)
// TODO: validate with JSON schema
status := http.StatusCreated
if err := s.Backend.CreateInstance(inst); err == ErrExists {
status = http.StatusConflict
} else if err != nil {
httphelper.Error(w, err)
return
}
w.Header().Set("Location", fmt.Sprintf("%s/clusters/%s/instances/%s", s.URL, inst.ClusterID, inst.ID))
httphelper.JSON(w, status, data)
}
func (s *Server) CreateCluster(w http.ResponseWriter, req *http.Request, _ httprouter.Params) {
cluster := &Cluster{
CreatorIP: sourceIP(req),
CreatorUserAgent: req.Header.Get("User-Agent"),
}
if len(cluster.CreatorUserAgent) > 1000 {
cluster.CreatorUserAgent = cluster.CreatorUserAgent[:1000]
}
if err := s.Backend.CreateCluster(cluster); err != nil {
httphelper.Error(w, err)
return
}
w.Header().Set("Location", fmt.Sprintf("%s/clusters/%s", s.URL, cluster.ID))
w.WriteHeader(http.StatusCreated)
}