/
modification.go
92 lines (86 loc) · 2.27 KB
/
modification.go
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package pfsload
import (
"context"
"github.com/pachyderm/pachyderm/v2/src/internal/client"
"github.com/pachyderm/pachyderm/v2/src/internal/errors"
"github.com/pachyderm/pachyderm/v2/src/pfs"
"golang.org/x/sync/errgroup"
"google.golang.org/protobuf/types/known/anypb"
)
func Modification(ctx context.Context, env *Env, commit *pfs.Commit, spec *ModificationSpec) error {
taskDoer := env.TaskDoer()
client := env.Client()
eg, ctx := errgroup.WithContext(ctx)
inputChan := make(chan *anypb.Any)
eg.Go(func() error {
defer close(inputChan)
for i := 0; i < int(spec.Count); i++ {
input, err := serializePutFileTask(&PutFileTask{
Count: spec.PutFile.Count,
FileSource: env.FileSource(spec.PutFile.Source),
Seed: env.Seed(),
AuthToken: env.AuthToken(),
})
if err != nil {
return err
}
select {
case inputChan <- input:
case <-ctx.Done():
return errors.EnsureStack(context.Cause(ctx))
}
}
return nil
})
eg.Go(func() error {
return errors.EnsureStack(taskDoer.Do(
ctx,
inputChan,
func(_ int64, output *anypb.Any, err error) error {
if err != nil {
return err
}
data, err := deserializePutFileTaskResult(output)
if err != nil {
return err
}
if err := client.AddFileSet(ctx, commit, data.FileSetId); err != nil {
return errors.EnsureStack(err)
}
if data.Hash != nil {
env.Validator().AddHash(data.Hash)
}
return nil
},
))
})
return errors.EnsureStack(eg.Wait())
}
func serializePutFileTask(task *PutFileTask) (*anypb.Any, error) {
return anypb.New(task)
}
func deserializePutFileTaskResult(taskAny *anypb.Any) (*PutFileTaskResult, error) {
task := &PutFileTaskResult{}
if err := taskAny.UnmarshalTo(task); err != nil {
return nil, errors.EnsureStack(err)
}
return task, nil
}
func PutFile(ctx context.Context, c Client, fileSource FileSource, count int) (string, error) {
resp, err := c.WithCreateFileSetClient(ctx, func(mf client.ModifyFile) error {
files, err := Files(fileSource, count)
if err != nil {
return err
}
for _, file := range files {
if err := mf.PutFile(file.Path(), file); err != nil {
return errors.EnsureStack(err)
}
}
return nil
})
if err != nil {
return "", errors.EnsureStack(err)
}
return resp.FileSetId, nil
}