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cluster_routes.go
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cluster_routes.go
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package swarm
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/server/httputils"
basictypes "github.com/docker/engine-api/types"
"github.com/docker/engine-api/types/filters"
types "github.com/docker/engine-api/types/swarm"
"golang.org/x/net/context"
)
func (sr *swarmRouter) initCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var req types.InitRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return err
}
nodeID, err := sr.backend.Init(req)
if err != nil {
logrus.Errorf("Error initializing swarm: %v", err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, nodeID)
}
func (sr *swarmRouter) joinCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var req types.JoinRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return err
}
return sr.backend.Join(req)
}
func (sr *swarmRouter) leaveCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
force := httputils.BoolValue(r, "force")
return sr.backend.Leave(force)
}
func (sr *swarmRouter) inspectCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
swarm, err := sr.backend.Inspect()
if err != nil {
logrus.Errorf("Error getting swarm: %v", err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, swarm)
}
func (sr *swarmRouter) updateCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var swarm types.Spec
if err := json.NewDecoder(r.Body).Decode(&swarm); err != nil {
return err
}
rawVersion := r.URL.Query().Get("version")
version, err := strconv.ParseUint(rawVersion, 10, 64)
if err != nil {
return fmt.Errorf("Invalid swarm version '%s': %s", rawVersion, err.Error())
}
var flags types.UpdateFlags
if value := r.URL.Query().Get("rotateWorkerToken"); value != "" {
rot, err := strconv.ParseBool(value)
if err != nil {
return fmt.Errorf("invalid value for rotateWorkerToken: %s", value)
}
flags.RotateWorkerToken = rot
}
if value := r.URL.Query().Get("rotateManagerToken"); value != "" {
rot, err := strconv.ParseBool(value)
if err != nil {
return fmt.Errorf("invalid value for rotateManagerToken: %s", value)
}
flags.RotateManagerToken = rot
}
if err := sr.backend.Update(version, swarm, flags); err != nil {
logrus.Errorf("Error configuring swarm: %v", err)
return err
}
return nil
}
func (sr *swarmRouter) getServices(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
filter, err := filters.FromParam(r.Form.Get("filters"))
if err != nil {
return err
}
services, err := sr.backend.GetServices(basictypes.ServiceListOptions{Filter: filter})
if err != nil {
logrus.Errorf("Error getting services: %v", err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, services)
}
func (sr *swarmRouter) getService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
service, err := sr.backend.GetService(vars["id"])
if err != nil {
logrus.Errorf("Error getting service %s: %v", vars["id"], err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, service)
}
func (sr *swarmRouter) createService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var service types.ServiceSpec
if err := json.NewDecoder(r.Body).Decode(&service); err != nil {
return err
}
// Get returns "" if the header does not exist
encodedAuth := r.Header.Get("X-Registry-Auth")
id, err := sr.backend.CreateService(service, encodedAuth)
if err != nil {
logrus.Errorf("Error creating service %s: %v", id, err)
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &basictypes.ServiceCreateResponse{
ID: id,
})
}
func (sr *swarmRouter) updateService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var service types.ServiceSpec
if err := json.NewDecoder(r.Body).Decode(&service); err != nil {
return err
}
rawVersion := r.URL.Query().Get("version")
version, err := strconv.ParseUint(rawVersion, 10, 64)
if err != nil {
return fmt.Errorf("Invalid service version '%s': %s", rawVersion, err.Error())
}
// Get returns "" if the header does not exist
encodedAuth := r.Header.Get("X-Registry-Auth")
if err := sr.backend.UpdateService(vars["id"], version, service, encodedAuth); err != nil {
logrus.Errorf("Error updating service %s: %v", vars["id"], err)
return err
}
return nil
}
func (sr *swarmRouter) removeService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := sr.backend.RemoveService(vars["id"]); err != nil {
logrus.Errorf("Error removing service %s: %v", vars["id"], err)
return err
}
return nil
}
func (sr *swarmRouter) getNodes(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
filter, err := filters.FromParam(r.Form.Get("filters"))
if err != nil {
return err
}
nodes, err := sr.backend.GetNodes(basictypes.NodeListOptions{Filter: filter})
if err != nil {
logrus.Errorf("Error getting nodes: %v", err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, nodes)
}
func (sr *swarmRouter) getNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
node, err := sr.backend.GetNode(vars["id"])
if err != nil {
logrus.Errorf("Error getting node %s: %v", vars["id"], err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, node)
}
func (sr *swarmRouter) updateNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var node types.NodeSpec
if err := json.NewDecoder(r.Body).Decode(&node); err != nil {
return err
}
rawVersion := r.URL.Query().Get("version")
version, err := strconv.ParseUint(rawVersion, 10, 64)
if err != nil {
return fmt.Errorf("Invalid node version '%s': %s", rawVersion, err.Error())
}
if err := sr.backend.UpdateNode(vars["id"], version, node); err != nil {
logrus.Errorf("Error updating node %s: %v", vars["id"], err)
return err
}
return nil
}
func (sr *swarmRouter) removeNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
force := httputils.BoolValue(r, "force")
if err := sr.backend.RemoveNode(vars["id"], force); err != nil {
logrus.Errorf("Error removing node %s: %v", vars["id"], err)
return err
}
return nil
}
func (sr *swarmRouter) getTasks(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
filter, err := filters.FromParam(r.Form.Get("filters"))
if err != nil {
return err
}
tasks, err := sr.backend.GetTasks(basictypes.TaskListOptions{Filter: filter})
if err != nil {
logrus.Errorf("Error getting tasks: %v", err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, tasks)
}
func (sr *swarmRouter) getTask(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
task, err := sr.backend.GetTask(vars["id"])
if err != nil {
logrus.Errorf("Error getting task %s: %v", vars["id"], err)
return err
}
return httputils.WriteJSON(w, http.StatusOK, task)
}