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142 lines
3.7 KiB
142 lines
3.7 KiB
package operation
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import (
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"context"
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"fmt"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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type VolumeAssignRequest struct {
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Count uint64
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Replication string
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Collection string
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Ttl string
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DataCenter string
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Rack string
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DataNode string
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WritableVolumeCount uint32
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}
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type AssignResult struct {
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Fid string `json:"fid,omitempty"`
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Url string `json:"url,omitempty"`
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PublicUrl string `json:"publicUrl,omitempty"`
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Count uint64 `json:"count,omitempty"`
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Error string `json:"error,omitempty"`
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Auth security.EncodedJwt `json:"auth,omitempty"`
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}
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func Assign(server string, grpcDialOption grpc.DialOption, primaryRequest *VolumeAssignRequest, alternativeRequests ...*VolumeAssignRequest) (*AssignResult, error) {
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var requests []*VolumeAssignRequest
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requests = append(requests, primaryRequest)
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requests = append(requests, alternativeRequests...)
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var lastError error
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ret := &AssignResult{}
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for i, request := range requests {
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if request == nil {
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continue
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}
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lastError = WithMasterServerClient(server, grpcDialOption, func(masterClient master_pb.SeaweedClient) error {
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req := &master_pb.AssignRequest{
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Count: request.Count,
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Replication: request.Replication,
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Collection: request.Collection,
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Ttl: request.Ttl,
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DataCenter: request.DataCenter,
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Rack: request.Rack,
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DataNode: request.DataNode,
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WritableVolumeCount: request.WritableVolumeCount,
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}
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resp, grpcErr := masterClient.Assign(context.Background(), req)
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if grpcErr != nil {
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return grpcErr
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}
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ret.Count = resp.Count
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ret.Fid = resp.Fid
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ret.Url = resp.Url
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ret.PublicUrl = resp.PublicUrl
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ret.Error = resp.Error
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ret.Auth = security.EncodedJwt(resp.Auth)
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return nil
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})
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if lastError != nil {
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continue
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}
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if ret.Count <= 0 {
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lastError = fmt.Errorf("assign failure %d: %v", i+1, ret.Error)
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continue
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}
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}
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return ret, lastError
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}
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func LookupJwt(master string, fileId string) security.EncodedJwt {
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tokenStr := ""
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if h, e := util.Head(fmt.Sprintf("http://%s/dir/lookup?fileId=%s", master, fileId)); e == nil {
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bearer := h.Get("Authorization")
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if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
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tokenStr = bearer[7:]
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}
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}
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return security.EncodedJwt(tokenStr)
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}
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type StorageOption struct {
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Replication string
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Collection string
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DataCenter string
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Rack string
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TtlSeconds int32
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Fsync bool
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VolumeGrowthCount uint32
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}
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func (so *StorageOption) TtlString() string {
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return needle.SecondsToTTL(so.TtlSeconds)
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}
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func (so *StorageOption) ToAssignRequests(count int) (ar *VolumeAssignRequest, altRequest *VolumeAssignRequest) {
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ar = &VolumeAssignRequest{
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Count: uint64(count),
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Replication: so.Replication,
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Collection: so.Collection,
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Ttl: so.TtlString(),
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DataCenter: so.DataCenter,
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Rack: so.Rack,
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WritableVolumeCount: so.VolumeGrowthCount,
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}
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if so.DataCenter != "" || so.Rack != "" {
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altRequest = &VolumeAssignRequest{
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Count: uint64(count),
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Replication: so.Replication,
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Collection: so.Collection,
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Ttl: so.TtlString(),
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DataCenter: "",
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Rack: "",
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WritableVolumeCount: so.VolumeGrowthCount,
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}
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}
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return
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}
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