mirror of
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560 lines
17 KiB
Go
560 lines
17 KiB
Go
package swarm // import "github.com/docker/docker/api/server/router/swarm"
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"github.com/docker/docker/api/server/httputils"
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basictypes "github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/backend"
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"github.com/docker/docker/api/types/filters"
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types "github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/errdefs"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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func (sr *swarmRouter) initCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var req types.InitRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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version := httputils.VersionFromContext(ctx)
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// DefaultAddrPool and SubnetSize were added in API 1.39. Ignore on older API versions.
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if versions.LessThan(version, "1.39") {
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req.DefaultAddrPool = nil
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req.SubnetSize = 0
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}
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// DataPathPort was added in API 1.40. Ignore this option on older API versions.
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if versions.LessThan(version, "1.40") {
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req.DataPathPort = 0
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}
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nodeID, err := sr.backend.Init(req)
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if err != nil {
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logrus.Errorf("Error initializing swarm: %v", err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, nodeID)
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}
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func (sr *swarmRouter) joinCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var req types.JoinRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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return sr.backend.Join(req)
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}
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func (sr *swarmRouter) leaveCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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force := httputils.BoolValue(r, "force")
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return sr.backend.Leave(force)
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}
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func (sr *swarmRouter) inspectCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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swarm, err := sr.backend.Inspect()
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if err != nil {
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logrus.Errorf("Error getting swarm: %v", err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, swarm)
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}
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func (sr *swarmRouter) updateCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var swarm types.Spec
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if err := json.NewDecoder(r.Body).Decode(&swarm); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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rawVersion := r.URL.Query().Get("version")
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version, err := strconv.ParseUint(rawVersion, 10, 64)
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if err != nil {
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err := fmt.Errorf("invalid swarm version '%s': %v", rawVersion, err)
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return errdefs.InvalidParameter(err)
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}
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var flags types.UpdateFlags
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if value := r.URL.Query().Get("rotateWorkerToken"); value != "" {
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rot, err := strconv.ParseBool(value)
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if err != nil {
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err := fmt.Errorf("invalid value for rotateWorkerToken: %s", value)
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return errdefs.InvalidParameter(err)
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}
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flags.RotateWorkerToken = rot
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}
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if value := r.URL.Query().Get("rotateManagerToken"); value != "" {
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rot, err := strconv.ParseBool(value)
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if err != nil {
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err := fmt.Errorf("invalid value for rotateManagerToken: %s", value)
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return errdefs.InvalidParameter(err)
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}
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flags.RotateManagerToken = rot
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}
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if value := r.URL.Query().Get("rotateManagerUnlockKey"); value != "" {
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rot, err := strconv.ParseBool(value)
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if err != nil {
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return errdefs.InvalidParameter(fmt.Errorf("invalid value for rotateManagerUnlockKey: %s", value))
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}
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flags.RotateManagerUnlockKey = rot
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}
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if err := sr.backend.Update(version, swarm, flags); err != nil {
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logrus.Errorf("Error configuring swarm: %v", err)
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return err
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}
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return nil
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}
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func (sr *swarmRouter) unlockCluster(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var req types.UnlockRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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if err := sr.backend.UnlockSwarm(req); err != nil {
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logrus.Errorf("Error unlocking swarm: %v", err)
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return err
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}
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return nil
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}
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func (sr *swarmRouter) getUnlockKey(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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unlockKey, err := sr.backend.GetUnlockKey()
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if err != nil {
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logrus.WithError(err).Errorf("Error retrieving swarm unlock key")
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, &basictypes.SwarmUnlockKeyResponse{
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UnlockKey: unlockKey,
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})
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}
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func (sr *swarmRouter) getServices(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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filter, err := filters.FromJSON(r.Form.Get("filters"))
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if err != nil {
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return err
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}
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// the status query parameter is only support in API versions >= 1.41. If
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// the client is using a lesser version, ignore the parameter.
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cliVersion := httputils.VersionFromContext(ctx)
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var status bool
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if value := r.URL.Query().Get("status"); value != "" && !versions.LessThan(cliVersion, "1.41") {
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var err error
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status, err = strconv.ParseBool(value)
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if err != nil {
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return errors.Wrapf(errdefs.InvalidParameter(err), "invalid value for status: %s", value)
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}
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}
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services, err := sr.backend.GetServices(basictypes.ServiceListOptions{Filters: filter, Status: status})
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if err != nil {
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logrus.Errorf("Error getting services: %v", err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, services)
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}
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func (sr *swarmRouter) getService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var insertDefaults bool
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if value := r.URL.Query().Get("insertDefaults"); value != "" {
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var err error
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insertDefaults, err = strconv.ParseBool(value)
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if err != nil {
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return errors.Wrapf(errdefs.InvalidParameter(err), "invalid value for insertDefaults: %s", value)
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}
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}
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// you may note that there is no code here to handle the "status" query
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// parameter, as in getServices. the Status field is not supported when
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// retrieving an individual service because the Backend API changes
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// required to accommodate it would be too disruptive, and because that
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// field is so rarely needed as part of an individual service inspection.
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service, err := sr.backend.GetService(vars["id"], insertDefaults)
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if err != nil {
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logrus.Errorf("Error getting service %s: %v", vars["id"], err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, service)
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}
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func (sr *swarmRouter) createService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var service types.ServiceSpec
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if err := json.NewDecoder(r.Body).Decode(&service); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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// Get returns "" if the header does not exist
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encodedAuth := r.Header.Get("X-Registry-Auth")
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queryRegistry := false
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if v := httputils.VersionFromContext(ctx); v != "" {
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if versions.LessThan(v, "1.30") {
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queryRegistry = true
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}
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adjustForAPIVersion(v, &service)
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}
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resp, err := sr.backend.CreateService(service, encodedAuth, queryRegistry)
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if err != nil {
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logrus.Errorf("Error creating service %s: %v", service.Name, err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusCreated, resp)
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}
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func (sr *swarmRouter) updateService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var service types.ServiceSpec
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if err := json.NewDecoder(r.Body).Decode(&service); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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rawVersion := r.URL.Query().Get("version")
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version, err := strconv.ParseUint(rawVersion, 10, 64)
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if err != nil {
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err := fmt.Errorf("invalid service version '%s': %v", rawVersion, err)
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return errdefs.InvalidParameter(err)
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}
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var flags basictypes.ServiceUpdateOptions
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// Get returns "" if the header does not exist
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flags.EncodedRegistryAuth = r.Header.Get("X-Registry-Auth")
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flags.RegistryAuthFrom = r.URL.Query().Get("registryAuthFrom")
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flags.Rollback = r.URL.Query().Get("rollback")
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queryRegistry := false
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if v := httputils.VersionFromContext(ctx); v != "" {
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if versions.LessThan(v, "1.30") {
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queryRegistry = true
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}
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adjustForAPIVersion(v, &service)
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}
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resp, err := sr.backend.UpdateService(vars["id"], version, service, flags, queryRegistry)
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if err != nil {
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logrus.Errorf("Error updating service %s: %v", vars["id"], err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, resp)
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}
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func (sr *swarmRouter) removeService(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := sr.backend.RemoveService(vars["id"]); err != nil {
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logrus.Errorf("Error removing service %s: %v", vars["id"], err)
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return err
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}
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return nil
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}
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func (sr *swarmRouter) getTaskLogs(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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// make a selector to pass to the helper function
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selector := &backend.LogSelector{
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Tasks: []string{vars["id"]},
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}
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return sr.swarmLogs(ctx, w, r, selector)
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}
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func (sr *swarmRouter) getServiceLogs(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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// make a selector to pass to the helper function
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selector := &backend.LogSelector{
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Services: []string{vars["id"]},
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}
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return sr.swarmLogs(ctx, w, r, selector)
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}
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func (sr *swarmRouter) getNodes(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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filter, err := filters.FromJSON(r.Form.Get("filters"))
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if err != nil {
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return err
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}
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nodes, err := sr.backend.GetNodes(basictypes.NodeListOptions{Filters: filter})
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if err != nil {
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logrus.Errorf("Error getting nodes: %v", err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, nodes)
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}
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func (sr *swarmRouter) getNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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node, err := sr.backend.GetNode(vars["id"])
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if err != nil {
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logrus.Errorf("Error getting node %s: %v", vars["id"], err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, node)
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}
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func (sr *swarmRouter) updateNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var node types.NodeSpec
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if err := json.NewDecoder(r.Body).Decode(&node); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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rawVersion := r.URL.Query().Get("version")
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version, err := strconv.ParseUint(rawVersion, 10, 64)
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if err != nil {
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err := fmt.Errorf("invalid node version '%s': %v", rawVersion, err)
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return errdefs.InvalidParameter(err)
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}
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if err := sr.backend.UpdateNode(vars["id"], version, node); err != nil {
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logrus.Errorf("Error updating node %s: %v", vars["id"], err)
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return err
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}
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return nil
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}
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func (sr *swarmRouter) removeNode(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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force := httputils.BoolValue(r, "force")
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if err := sr.backend.RemoveNode(vars["id"], force); err != nil {
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logrus.Errorf("Error removing node %s: %v", vars["id"], err)
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return err
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}
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return nil
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}
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func (sr *swarmRouter) getTasks(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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filter, err := filters.FromJSON(r.Form.Get("filters"))
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if err != nil {
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return err
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}
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tasks, err := sr.backend.GetTasks(basictypes.TaskListOptions{Filters: filter})
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if err != nil {
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logrus.Errorf("Error getting tasks: %v", err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, tasks)
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}
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func (sr *swarmRouter) getTask(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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task, err := sr.backend.GetTask(vars["id"])
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if err != nil {
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logrus.Errorf("Error getting task %s: %v", vars["id"], err)
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, task)
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}
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func (sr *swarmRouter) getSecrets(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
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filters, err := filters.FromJSON(r.Form.Get("filters"))
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if err != nil {
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return err
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}
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secrets, err := sr.backend.GetSecrets(basictypes.SecretListOptions{Filters: filters})
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if err != nil {
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, secrets)
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}
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func (sr *swarmRouter) createSecret(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var secret types.SecretSpec
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if err := json.NewDecoder(r.Body).Decode(&secret); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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version := httputils.VersionFromContext(ctx)
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if secret.Templating != nil && versions.LessThan(version, "1.37") {
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return errdefs.InvalidParameter(errors.Errorf("secret templating is not supported on the specified API version: %s", version))
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}
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id, err := sr.backend.CreateSecret(secret)
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if err != nil {
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return err
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}
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return httputils.WriteJSON(w, http.StatusCreated, &basictypes.SecretCreateResponse{
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ID: id,
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})
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}
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func (sr *swarmRouter) removeSecret(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := sr.backend.RemoveSecret(vars["id"]); err != nil {
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return err
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}
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w.WriteHeader(http.StatusNoContent)
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return nil
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}
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func (sr *swarmRouter) getSecret(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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secret, err := sr.backend.GetSecret(vars["id"])
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if err != nil {
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, secret)
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}
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func (sr *swarmRouter) updateSecret(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var secret types.SecretSpec
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if err := json.NewDecoder(r.Body).Decode(&secret); err != nil {
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if err == io.EOF {
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return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
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}
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return errdefs.InvalidParameter(err)
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}
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rawVersion := r.URL.Query().Get("version")
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version, err := strconv.ParseUint(rawVersion, 10, 64)
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if err != nil {
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return errdefs.InvalidParameter(fmt.Errorf("invalid secret version"))
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}
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id := vars["id"]
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return sr.backend.UpdateSecret(id, version, secret)
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}
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func (sr *swarmRouter) getConfigs(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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if err := httputils.ParseForm(r); err != nil {
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return err
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}
|
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filters, err := filters.FromJSON(r.Form.Get("filters"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
configs, err := sr.backend.GetConfigs(basictypes.ConfigListOptions{Filters: filters})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return httputils.WriteJSON(w, http.StatusOK, configs)
|
|
}
|
|
|
|
func (sr *swarmRouter) createConfig(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
var config types.ConfigSpec
|
|
if err := json.NewDecoder(r.Body).Decode(&config); err != nil {
|
|
if err == io.EOF {
|
|
return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
|
|
}
|
|
return errdefs.InvalidParameter(err)
|
|
}
|
|
|
|
version := httputils.VersionFromContext(ctx)
|
|
if config.Templating != nil && versions.LessThan(version, "1.37") {
|
|
return errdefs.InvalidParameter(errors.Errorf("config templating is not supported on the specified API version: %s", version))
|
|
}
|
|
|
|
id, err := sr.backend.CreateConfig(config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return httputils.WriteJSON(w, http.StatusCreated, &basictypes.ConfigCreateResponse{
|
|
ID: id,
|
|
})
|
|
}
|
|
|
|
func (sr *swarmRouter) removeConfig(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
if err := sr.backend.RemoveConfig(vars["id"]); err != nil {
|
|
return err
|
|
}
|
|
w.WriteHeader(http.StatusNoContent)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (sr *swarmRouter) getConfig(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
config, err := sr.backend.GetConfig(vars["id"])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return httputils.WriteJSON(w, http.StatusOK, config)
|
|
}
|
|
|
|
func (sr *swarmRouter) updateConfig(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
var config types.ConfigSpec
|
|
if err := json.NewDecoder(r.Body).Decode(&config); err != nil {
|
|
if err == io.EOF {
|
|
return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
|
|
}
|
|
return errdefs.InvalidParameter(err)
|
|
}
|
|
|
|
rawVersion := r.URL.Query().Get("version")
|
|
version, err := strconv.ParseUint(rawVersion, 10, 64)
|
|
if err != nil {
|
|
return errdefs.InvalidParameter(fmt.Errorf("invalid config version"))
|
|
}
|
|
|
|
id := vars["id"]
|
|
return sr.backend.UpdateConfig(id, version, config)
|
|
}
|