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https://github.com/kemko/nomad.git
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a1eaad9cf7
Callers of `CSIVolumeByID` are generally assuming they should receive a single volume. This potentially results in feasibility checking being performed against the wrong volume if a volume's ID is a prefix substring of other volume (for example: "test" and "testing"). Removing the incorrect prefix matching from `CSIVolumeByID` breaks prefix matching in the command line client. Add the required elements for prefix matching to the commands and API.
613 lines
17 KiB
Go
613 lines
17 KiB
Go
package agent
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import (
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"net/http"
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"strconv"
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"strings"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func (s *HTTPServer) CSIVolumesRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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switch req.Method {
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case http.MethodPut, http.MethodPost:
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return s.csiVolumePut(resp, req)
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case http.MethodGet:
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default:
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return nil, CodedError(405, ErrInvalidMethod)
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}
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// Type filters volume lists to a specific type. When support for non-CSI volumes is
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// introduced, we'll need to dispatch here
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query := req.URL.Query()
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qtype, ok := query["type"]
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if !ok {
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return []*structs.CSIVolListStub{}, nil
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}
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if qtype[0] != "csi" {
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return nil, nil
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}
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args := structs.CSIVolumeListRequest{}
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if s.parse(resp, req, &args.Region, &args.QueryOptions) {
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return nil, nil
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}
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if prefix, ok := query["prefix"]; ok {
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args.Prefix = prefix[0]
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}
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if plugin, ok := query["plugin_id"]; ok {
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args.PluginID = plugin[0]
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}
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if node, ok := query["node_id"]; ok {
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args.NodeID = node[0]
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}
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var out structs.CSIVolumeListResponse
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if err := s.agent.RPC("CSIVolume.List", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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return out.Volumes, nil
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}
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// CSIVolumeSpecificRequest dispatches GET and PUT
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func (s *HTTPServer) CSIVolumeSpecificRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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// Tokenize the suffix of the path to get the volume id
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reqSuffix := strings.TrimPrefix(req.URL.Path, "/v1/volume/csi/")
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tokens := strings.Split(reqSuffix, "/")
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if len(tokens) < 1 {
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return nil, CodedError(404, resourceNotFoundErr)
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}
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id := tokens[0]
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if len(tokens) == 1 {
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switch req.Method {
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case http.MethodGet:
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return s.csiVolumeGet(id, resp, req)
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case http.MethodPut:
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return s.csiVolumePut(resp, req)
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case http.MethodDelete:
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return s.csiVolumeDelete(id, resp, req)
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default:
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return nil, CodedError(405, ErrInvalidMethod)
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}
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}
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if len(tokens) == 2 {
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if tokens[1] != "detach" {
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return nil, CodedError(404, resourceNotFoundErr)
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}
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if req.Method != http.MethodDelete {
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return nil, CodedError(405, ErrInvalidMethod)
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}
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return s.csiVolumeDetach(id, resp, req)
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}
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return nil, CodedError(404, resourceNotFoundErr)
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}
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func (s *HTTPServer) csiVolumeGet(id string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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args := structs.CSIVolumeGetRequest{
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ID: id,
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}
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if s.parse(resp, req, &args.Region, &args.QueryOptions) {
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return nil, nil
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}
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var out structs.CSIVolumeGetResponse
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if err := s.agent.RPC("CSIVolume.Get", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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if out.Volume == nil {
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return nil, CodedError(404, "volume not found")
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}
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vol := structsCSIVolumeToApi(out.Volume)
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// remove sensitive fields, as our redaction mechanism doesn't
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// help serializing here
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vol.Secrets = nil
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vol.MountOptions = nil
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return vol, nil
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}
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func (s *HTTPServer) csiVolumePut(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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switch req.Method {
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case http.MethodPost, http.MethodPut:
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default:
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return nil, CodedError(405, ErrInvalidMethod)
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}
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args0 := structs.CSIVolumeRegisterRequest{}
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if err := decodeBody(req, &args0); err != nil {
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return err, CodedError(400, err.Error())
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}
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args := structs.CSIVolumeRegisterRequest{
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Volumes: args0.Volumes,
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}
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s.parseWriteRequest(req, &args.WriteRequest)
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var out structs.CSIVolumeRegisterResponse
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if err := s.agent.RPC("CSIVolume.Register", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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return nil, nil
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}
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func (s *HTTPServer) csiVolumeDelete(id string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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if req.Method != http.MethodDelete {
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return nil, CodedError(405, ErrInvalidMethod)
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}
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raw := req.URL.Query().Get("force")
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var force bool
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if raw != "" {
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var err error
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force, err = strconv.ParseBool(raw)
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if err != nil {
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return nil, CodedError(400, "invalid force value")
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}
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}
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args := structs.CSIVolumeDeregisterRequest{
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VolumeIDs: []string{id},
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Force: force,
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}
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s.parseWriteRequest(req, &args.WriteRequest)
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var out structs.CSIVolumeDeregisterResponse
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if err := s.agent.RPC("CSIVolume.Deregister", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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return nil, nil
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}
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func (s *HTTPServer) csiVolumeDetach(id string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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if req.Method != http.MethodDelete {
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return nil, CodedError(405, ErrInvalidMethod)
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}
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nodeID := req.URL.Query().Get("node")
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if nodeID == "" {
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return nil, CodedError(400, "detach requires node ID")
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}
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args := structs.CSIVolumeUnpublishRequest{
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VolumeID: id,
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Claim: &structs.CSIVolumeClaim{
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NodeID: nodeID,
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Mode: structs.CSIVolumeClaimGC,
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},
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}
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s.parseWriteRequest(req, &args.WriteRequest)
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var out structs.CSIVolumeUnpublishResponse
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if err := s.agent.RPC("CSIVolume.Unpublish", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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return nil, nil
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}
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// CSIPluginsRequest lists CSI plugins
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func (s *HTTPServer) CSIPluginsRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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if req.Method != http.MethodGet {
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return nil, CodedError(405, ErrInvalidMethod)
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}
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// Type filters plugin lists to a specific type. When support for non-CSI plugins is
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// introduced, we'll need to dispatch here
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query := req.URL.Query()
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qtype, ok := query["type"]
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if !ok {
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return []*structs.CSIPluginListStub{}, nil
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}
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if qtype[0] != "csi" {
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return nil, nil
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}
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args := structs.CSIPluginListRequest{}
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if s.parse(resp, req, &args.Region, &args.QueryOptions) {
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return nil, nil
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}
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var out structs.CSIPluginListResponse
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if err := s.agent.RPC("CSIPlugin.List", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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return out.Plugins, nil
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}
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// CSIPluginSpecificRequest list the job with CSIInfo
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func (s *HTTPServer) CSIPluginSpecificRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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if req.Method != http.MethodGet {
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return nil, CodedError(405, ErrInvalidMethod)
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}
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// Tokenize the suffix of the path to get the plugin id
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reqSuffix := strings.TrimPrefix(req.URL.Path, "/v1/plugin/csi/")
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tokens := strings.Split(reqSuffix, "/")
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if len(tokens) > 2 || len(tokens) < 1 {
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return nil, CodedError(404, resourceNotFoundErr)
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}
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id := tokens[0]
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args := structs.CSIPluginGetRequest{ID: id}
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if s.parse(resp, req, &args.Region, &args.QueryOptions) {
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return nil, nil
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}
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var out structs.CSIPluginGetResponse
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if err := s.agent.RPC("CSIPlugin.Get", &args, &out); err != nil {
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return nil, err
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}
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setMeta(resp, &out.QueryMeta)
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if out.Plugin == nil {
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return nil, CodedError(404, "plugin not found")
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}
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return structsCSIPluginToApi(out.Plugin), nil
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}
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// structsCSIPluginToApi converts CSIPlugin, setting Expected the count of known plugin
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// instances
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func structsCSIPluginToApi(plug *structs.CSIPlugin) *api.CSIPlugin {
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if plug == nil {
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return nil
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}
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out := &api.CSIPlugin{
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ID: plug.ID,
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Provider: plug.Provider,
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Version: plug.Version,
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Allocations: make([]*api.AllocationListStub, 0, len(plug.Allocations)),
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ControllerRequired: plug.ControllerRequired,
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ControllersHealthy: plug.ControllersHealthy,
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ControllersExpected: plug.ControllersExpected,
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Controllers: make(map[string]*api.CSIInfo, len(plug.Controllers)),
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NodesHealthy: plug.NodesHealthy,
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NodesExpected: plug.NodesExpected,
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Nodes: make(map[string]*api.CSIInfo, len(plug.Nodes)),
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CreateIndex: plug.CreateIndex,
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ModifyIndex: plug.ModifyIndex,
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}
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for k, v := range plug.Controllers {
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out.Controllers[k] = structsCSIInfoToApi(v)
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}
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for k, v := range plug.Nodes {
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out.Nodes[k] = structsCSIInfoToApi(v)
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}
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for _, a := range plug.Allocations {
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if a != nil {
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out.Allocations = append(out.Allocations, structsAllocListStubToApi(a))
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}
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}
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return out
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}
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// structsCSIVolumeToApi converts CSIVolume, creating the allocation array
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func structsCSIVolumeToApi(vol *structs.CSIVolume) *api.CSIVolume {
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if vol == nil {
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return nil
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}
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allocCount := len(vol.ReadAllocs) + len(vol.WriteAllocs)
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out := &api.CSIVolume{
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ID: vol.ID,
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Name: vol.Name,
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ExternalID: vol.ExternalID,
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Namespace: vol.Namespace,
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Topologies: structsCSITopolgiesToApi(vol.Topologies),
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AccessMode: structsCSIAccessModeToApi(vol.AccessMode),
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AttachmentMode: structsCSIAttachmentModeToApi(vol.AttachmentMode),
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MountOptions: structsCSIMountOptionsToApi(vol.MountOptions),
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Secrets: structsCSISecretsToApi(vol.Secrets),
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Parameters: vol.Parameters,
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Context: vol.Context,
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// Allocations is the collapsed list of both read and write allocs
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Allocations: make([]*api.AllocationListStub, 0, allocCount),
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// tracking of volume claims
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ReadAllocs: map[string]*api.Allocation{},
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WriteAllocs: map[string]*api.Allocation{},
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Schedulable: vol.Schedulable,
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PluginID: vol.PluginID,
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Provider: vol.Provider,
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ProviderVersion: vol.ProviderVersion,
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ControllerRequired: vol.ControllerRequired,
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ControllersHealthy: vol.ControllersHealthy,
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ControllersExpected: vol.ControllersExpected,
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NodesHealthy: vol.NodesHealthy,
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NodesExpected: vol.NodesExpected,
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ResourceExhausted: vol.ResourceExhausted,
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CreateIndex: vol.CreateIndex,
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ModifyIndex: vol.ModifyIndex,
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}
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// WriteAllocs and ReadAllocs will only ever contain the Allocation ID,
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// with a null value for the Allocation; these IDs are mapped to
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// allocation stubs in the Allocations field. This indirection is so the
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// API can support both the UI and CLI consumer in a safely backwards
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// compatible way
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for _, a := range vol.WriteAllocs {
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if a != nil {
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alloc := structsAllocListStubToApi(a.Stub(nil))
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if alloc != nil {
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out.WriteAllocs[alloc.ID] = nil
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out.Allocations = append(out.Allocations, alloc)
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}
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}
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}
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for _, a := range vol.ReadAllocs {
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if a != nil {
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alloc := structsAllocListStubToApi(a.Stub(nil))
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if alloc != nil {
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out.ReadAllocs[alloc.ID] = nil
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out.Allocations = append(out.Allocations, alloc)
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}
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}
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}
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return out
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}
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// structsCSIInfoToApi converts CSIInfo, part of CSIPlugin
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func structsCSIInfoToApi(info *structs.CSIInfo) *api.CSIInfo {
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if info == nil {
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return nil
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}
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out := &api.CSIInfo{
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PluginID: info.PluginID,
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AllocID: info.AllocID,
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Healthy: info.Healthy,
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HealthDescription: info.HealthDescription,
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UpdateTime: info.UpdateTime,
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RequiresControllerPlugin: info.RequiresControllerPlugin,
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RequiresTopologies: info.RequiresTopologies,
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}
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if info.ControllerInfo != nil {
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out.ControllerInfo = &api.CSIControllerInfo{
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SupportsReadOnlyAttach: info.ControllerInfo.SupportsReadOnlyAttach,
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SupportsAttachDetach: info.ControllerInfo.SupportsAttachDetach,
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SupportsListVolumes: info.ControllerInfo.SupportsListVolumes,
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SupportsListVolumesAttachedNodes: info.ControllerInfo.SupportsListVolumesAttachedNodes,
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}
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}
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if info.NodeInfo != nil {
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out.NodeInfo = &api.CSINodeInfo{
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ID: info.NodeInfo.ID,
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MaxVolumes: info.NodeInfo.MaxVolumes,
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RequiresNodeStageVolume: info.NodeInfo.RequiresNodeStageVolume,
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}
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if info.NodeInfo.AccessibleTopology != nil {
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out.NodeInfo.AccessibleTopology = &api.CSITopology{}
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out.NodeInfo.AccessibleTopology.Segments = info.NodeInfo.AccessibleTopology.Segments
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}
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}
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return out
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}
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// structsAllocListStubToApi converts AllocListStub, for CSIPlugin
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func structsAllocListStubToApi(alloc *structs.AllocListStub) *api.AllocationListStub {
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if alloc == nil {
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return nil
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}
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out := &api.AllocationListStub{
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ID: alloc.ID,
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EvalID: alloc.EvalID,
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Name: alloc.Name,
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Namespace: alloc.Namespace,
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NodeID: alloc.NodeID,
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NodeName: alloc.NodeName,
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JobID: alloc.JobID,
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JobType: alloc.JobType,
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JobVersion: alloc.JobVersion,
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TaskGroup: alloc.TaskGroup,
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DesiredStatus: alloc.DesiredStatus,
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DesiredDescription: alloc.DesiredDescription,
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ClientStatus: alloc.ClientStatus,
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ClientDescription: alloc.ClientDescription,
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TaskStates: make(map[string]*api.TaskState, len(alloc.TaskStates)),
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FollowupEvalID: alloc.FollowupEvalID,
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PreemptedAllocations: alloc.PreemptedAllocations,
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PreemptedByAllocation: alloc.PreemptedByAllocation,
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CreateIndex: alloc.CreateIndex,
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ModifyIndex: alloc.ModifyIndex,
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CreateTime: alloc.CreateTime,
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ModifyTime: alloc.ModifyTime,
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}
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out.DeploymentStatus = structsAllocDeploymentStatusToApi(alloc.DeploymentStatus)
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out.RescheduleTracker = structsRescheduleTrackerToApi(alloc.RescheduleTracker)
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for k, v := range alloc.TaskStates {
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out.TaskStates[k] = structsTaskStateToApi(v)
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}
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return out
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}
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// structsAllocDeploymentStatusToApi converts RescheduleTracker, part of AllocListStub
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func structsAllocDeploymentStatusToApi(ads *structs.AllocDeploymentStatus) *api.AllocDeploymentStatus {
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if ads == nil {
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return nil
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}
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out := &api.AllocDeploymentStatus{
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Healthy: ads.Healthy,
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Timestamp: ads.Timestamp,
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Canary: ads.Canary,
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ModifyIndex: ads.ModifyIndex,
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}
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return out
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}
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// structsRescheduleTrackerToApi converts RescheduleTracker, part of AllocListStub
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func structsRescheduleTrackerToApi(rt *structs.RescheduleTracker) *api.RescheduleTracker {
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if rt == nil {
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return nil
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}
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out := &api.RescheduleTracker{
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Events: make([]*api.RescheduleEvent, 0, len(rt.Events)),
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}
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for _, e := range rt.Events {
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out.Events = append(out.Events, &api.RescheduleEvent{
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RescheduleTime: e.RescheduleTime,
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PrevAllocID: e.PrevAllocID,
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PrevNodeID: e.PrevNodeID,
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})
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}
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return out
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}
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// structsTaskStateToApi converts TaskState, part of AllocListStub
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func structsTaskStateToApi(ts *structs.TaskState) *api.TaskState {
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if ts == nil {
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return nil
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}
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out := &api.TaskState{
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State: ts.State,
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Failed: ts.Failed,
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Restarts: ts.Restarts,
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LastRestart: ts.LastRestart,
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StartedAt: ts.StartedAt,
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FinishedAt: ts.FinishedAt,
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Events: make([]*api.TaskEvent, 0, len(ts.Events)),
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}
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for _, te := range ts.Events {
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out.Events = append(out.Events, structsTaskEventToApi(te))
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}
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return out
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|
}
|
|
|
|
// structsTaskEventToApi converts TaskEvents, part of AllocListStub
|
|
func structsTaskEventToApi(te *structs.TaskEvent) *api.TaskEvent {
|
|
if te == nil {
|
|
return nil
|
|
}
|
|
out := &api.TaskEvent{
|
|
Type: te.Type,
|
|
Time: te.Time,
|
|
DisplayMessage: te.DisplayMessage,
|
|
Details: te.Details,
|
|
|
|
// DEPRECATION NOTICE: The following fields are all deprecated. see TaskEvent struct in structs.go for details.
|
|
FailsTask: te.FailsTask,
|
|
RestartReason: te.RestartReason,
|
|
SetupError: te.SetupError,
|
|
DriverError: te.DriverError,
|
|
DriverMessage: te.DriverMessage,
|
|
ExitCode: te.ExitCode,
|
|
Signal: te.Signal,
|
|
Message: te.Message,
|
|
KillReason: te.KillReason,
|
|
KillTimeout: te.KillTimeout,
|
|
KillError: te.KillError,
|
|
StartDelay: te.StartDelay,
|
|
DownloadError: te.DownloadError,
|
|
ValidationError: te.ValidationError,
|
|
DiskLimit: te.DiskLimit,
|
|
FailedSibling: te.FailedSibling,
|
|
VaultError: te.VaultError,
|
|
TaskSignalReason: te.TaskSignalReason,
|
|
TaskSignal: te.TaskSignal,
|
|
GenericSource: te.GenericSource,
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
// structsCSITopolgiesToApi converts topologies, part of structsCSIVolumeToApi
|
|
func structsCSITopolgiesToApi(tops []*structs.CSITopology) []*api.CSITopology {
|
|
out := make([]*api.CSITopology, 0, len(tops))
|
|
for _, t := range tops {
|
|
out = append(out, &api.CSITopology{
|
|
Segments: t.Segments,
|
|
})
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
// structsCSIAccessModeToApi converts access mode, part of structsCSIVolumeToApi
|
|
func structsCSIAccessModeToApi(mode structs.CSIVolumeAccessMode) api.CSIVolumeAccessMode {
|
|
switch mode {
|
|
case structs.CSIVolumeAccessModeSingleNodeReader:
|
|
return api.CSIVolumeAccessModeSingleNodeReader
|
|
case structs.CSIVolumeAccessModeSingleNodeWriter:
|
|
return api.CSIVolumeAccessModeSingleNodeWriter
|
|
case structs.CSIVolumeAccessModeMultiNodeReader:
|
|
return api.CSIVolumeAccessModeMultiNodeReader
|
|
case structs.CSIVolumeAccessModeMultiNodeSingleWriter:
|
|
return api.CSIVolumeAccessModeMultiNodeSingleWriter
|
|
case structs.CSIVolumeAccessModeMultiNodeMultiWriter:
|
|
return api.CSIVolumeAccessModeMultiNodeMultiWriter
|
|
default:
|
|
}
|
|
return api.CSIVolumeAccessModeUnknown
|
|
}
|
|
|
|
// structsCSIAttachmentModeToApiModeToApi converts attachment mode, part of structsCSIVolumeToApi
|
|
func structsCSIAttachmentModeToApi(mode structs.CSIVolumeAttachmentMode) api.CSIVolumeAttachmentMode {
|
|
switch mode {
|
|
case structs.CSIVolumeAttachmentModeBlockDevice:
|
|
return api.CSIVolumeAttachmentModeBlockDevice
|
|
case structs.CSIVolumeAttachmentModeFilesystem:
|
|
return api.CSIVolumeAttachmentModeFilesystem
|
|
default:
|
|
}
|
|
return api.CSIVolumeAttachmentModeUnknown
|
|
}
|
|
|
|
// structsCSIMountOptionsToApi converts mount options, part of structsCSIVolumeToApi
|
|
func structsCSIMountOptionsToApi(opts *structs.CSIMountOptions) *api.CSIMountOptions {
|
|
if opts == nil {
|
|
return nil
|
|
}
|
|
|
|
return &api.CSIMountOptions{
|
|
FSType: opts.FSType,
|
|
MountFlags: opts.MountFlags,
|
|
}
|
|
}
|
|
|
|
func structsCSISecretsToApi(secrets structs.CSISecrets) api.CSISecrets {
|
|
out := make(api.CSISecrets, len(secrets))
|
|
for k, v := range secrets {
|
|
out[k] = v
|
|
}
|
|
return out
|
|
}
|