/
commit.go
99 lines (92 loc) · 2.71 KB
/
commit.go
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package pfsload
import (
"bytes"
"context"
"github.com/pachyderm/pachyderm/v2/src/internal/client"
"github.com/pachyderm/pachyderm/v2/src/internal/errors"
"github.com/pachyderm/pachyderm/v2/src/internal/task"
"github.com/pachyderm/pachyderm/v2/src/pfs"
"google.golang.org/protobuf/proto"
)
func Commit(ctx context.Context, c pfs.APIClient, taskService task.Service, branch *pfs.Branch, spec *CommitSpec, seed int64, stateID string) (string, error) {
env, err := NewEnv(ctx, c, taskService, spec, seed)
if err != nil {
return "", err
}
state := &State{}
if stateID != "" {
state, err = deserializeState(ctx, c, stateID)
if err != nil {
return "", err
}
if err := validateState(ctx, env, state); err != nil {
return "", err
}
}
project := branch.Repo.Project.GetName()
repo := branch.Repo.Name
for i := 0; i < int(spec.Count); i++ {
commit, err := client.StartCommit(ctx, c, project, repo, branch.Name)
if err != nil {
return "", err
}
for _, mod := range spec.Modifications {
if err := Modification(ctx, env, commit, mod); err != nil {
return "", err
}
}
if err := client.FinishCommit(ctx, c, project, repo, branch.Name, commit.Id); err != nil {
return "", err
}
validator := env.Validator()
if validator != nil {
if err := validator.Validate(ctx, env.Client(), commit); err != nil {
return "", err
}
state.Commits = append(state.Commits, &State_Commit{
Commit: commit,
Hash: validator.Hash(),
})
}
}
return serializeState(ctx, c, state)
}
func validateState(ctx context.Context, env *Env, state *State) error {
validator := env.Validator()
if validator == nil {
return nil
}
for _, commit := range state.Commits {
validator.SetHash(commit.Hash)
if err := validator.Validate(ctx, env.Client(), commit.Commit); err != nil {
return err
}
}
return nil
}
const stateFileName = "state"
func serializeState(ctx context.Context, c pfs.APIClient, state *State) (string, error) {
resp, err := client.WithCreateFileSetClient(ctx, c, func(mf client.ModifyFile) error {
data, err := proto.Marshal(state)
if err != nil {
return errors.EnsureStack(err)
}
return errors.EnsureStack(mf.PutFile(stateFileName, bytes.NewReader(data)))
})
if err != nil {
return "", err
}
return resp.FileSetId, nil
}
func deserializeState(ctx context.Context, c pfs.APIClient, stateID string) (*State, error) {
commit := client.NewRepo(pfs.DefaultProjectName, client.FileSetsRepoName).NewCommit("", stateID)
buf := &bytes.Buffer{}
if err := client.GetFile(ctx, c, commit, stateFileName, buf); err != nil {
return nil, err
}
state := &State{}
if err := proto.Unmarshal(buf.Bytes(), state); err != nil {
return nil, errors.EnsureStack(err)
}
return state, nil
}