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83 lines
1.8 KiB
83 lines
1.8 KiB
package operation
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import (
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"context"
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"fmt"
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"time"
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"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
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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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}
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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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}
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func Assign(server string, 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, func(masterClient master_pb.SeaweedClient) error {
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
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defer cancel()
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req := &master_pb.AssignRequest{
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Count: primaryRequest.Count,
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Replication: primaryRequest.Replication,
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Collection: primaryRequest.Collection,
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Ttl: primaryRequest.Ttl,
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DataCenter: primaryRequest.DataCenter,
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Rack: primaryRequest.Rack,
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DataNode: primaryRequest.DataNode,
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}
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resp, grpcErr := masterClient.Assign(ctx, 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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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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