client

package
v1.2.2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 11, 2016 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Overview

Example (Pfs) 
package main

import (
	"bytes"
	"strings"

	"github.com/pachyderm/pachyderm/src/client"
)

func main() {
	c, err := client.NewFromAddress("0.0.0.0:30650")
	if err != nil {
		return // handle error
	}
	// Create a repo called "repo"
	if err := c.CreateRepo("repo"); err != nil {
		return // handle error
	}
	// Start a commit in our new repo on the "master" branch
	commit1, err := c.StartCommit("repo", "master")
	if err != nil {
		return // handle error
	}
	// Put a file called "file" in the newly created commit with the content "foo\n".
	if _, err := c.PutFile("repo", commit1.ID, "file", strings.NewReader("foo\n")); err != nil {
		return // handle error
	}
	// Finish the commit.
	if err := c.FinishCommit("repo", commit1.ID); err != nil {
		return //handle error
	}
	// Read what we wrote.
	var buffer bytes.Buffer
	if err := c.GetFile("repo", commit1.ID, "file", 0, 0, "", false, nil, &buffer); err != nil {
		return //handle error
	}
	// buffer now contains "foo\n"

	// Start another commit with the previous commit as the parent.
	commit2, err := c.StartCommit("repo", commit1.ID)
	if err != nil {
		return //handle error
	}
	// Extend "file" in the newly created commit with the content "bar\n".
	if _, err := c.PutFile("repo", commit2.ID, "file", strings.NewReader("bar\n")); err != nil {
		return // handle error
	}
	// Finish the commit.
	if err := c.FinishCommit("repo", commit2.ID); err != nil {
		return //handle error
	}
	// Read what we wrote.
	buffer.Reset()
	if err := c.GetFile("repo", commit2.ID, "file", 0, 0, "", false, nil, &buffer); err != nil {
		return //handle error
	}
	// buffer now contains "foo\nbar\n"

	// We can still read the old version of the file though:
	buffer.Reset()
	if err := c.GetFile("repo", commit1.ID, "file", 0, 0, "", false, nil, &buffer); err != nil {
		return //handle error
	}
	// buffer now contains "foo\n"

	// We can also see the Diff between the most recent commit and the first one:
	buffer.Reset()
	if err := c.GetFile("repo", commit2.ID, "file", 0, 0, commit1.ID, false, nil, &buffer); err != nil {
		return //handle error
	}
}

Output:
Example (Pps) 
package main

import (
	"bytes"

	"github.com/pachyderm/pachyderm/src/client"
	"github.com/pachyderm/pachyderm/src/client/pfs"
	"github.com/pachyderm/pachyderm/src/client/pps"
)

func main() {
	c, err := client.NewFromAddress("0.0.0.0:30650")
	if err != nil {
		return // handle error
	}

	// we assume there's already a repo called "repo"
	// and that it already has some data in it
	// take a look at src/client/pfs_test.go for an example of how to get there.

	// Create a map pipeline
	if err := c.CreatePipeline(
		"map",                  // the name of the pipeline
		"pachyderm/test_image", // your docker image
		[]string{"map"},        // the command run in your docker image
		nil,                    // no stdin
		nil,                    // let pachyderm decide the parallelism
		[]*pps.PipelineInput{
			// map over "repo"
			client.NewPipelineInput("repo", client.MapMethod),
		},
		false, // not an update
	); err != nil {
		return // handle error
	}

	if err := c.CreatePipeline(
		"reduce",               // the name of the pipeline
		"pachyderm/test_image", // your docker image
		[]string{"reduce"},     // the command run in your docker image
		nil,                    // no stdin
		nil,                    // let pachyderm decide the parallelism
		[]*pps.PipelineInput{
			// reduce over "map"
			client.NewPipelineInput("map", client.ReduceMethod),
		},
		false, // not an update
	); err != nil {
		return // handle error
	}

	commits, err := c.ListCommit( // List commits that are...
		[]*pfs.Commit{{
			Repo: client.NewRepo("reduce"),
		}}, // from the "reduce" repo (which the "reduce" pipeline outputs)
		nil,                       // no provenance
		client.CommitTypeRead,     // are readable
		client.CommitStatusNormal, // ignore cancelled commits
		true,                      // block until commits are available
	)
	if err != nil {
		return // handle error
	}
	for _, commitInfo := range commits {
		// Read output from the pipeline
		var buffer bytes.Buffer
		if err := c.GetFile("reduce", commitInfo.Commit.ID, "file", 0, 0, "", false, nil, &buffer); err != nil {
			return //handle error
		}
	}
}

Output:

Index

Examples

Constants

View Source 
const (
	CommitTypeNone  = pfs.CommitType_COMMIT_TYPE_NONE
	CommitTypeRead  = pfs.CommitType_COMMIT_TYPE_READ
	CommitTypeWrite = pfs.CommitType_COMMIT_TYPE_WRITE
)

CommitTypes alias pfs.CommitType_*

View Source 
const (
	CommitStatusNormal    = pfs.CommitStatus_NORMAL
	CommitStatusArchived  = pfs.CommitStatus_ARCHIVED
	CommitStatusCancelled = pfs.CommitStatus_CANCELLED
	CommitStatusAll       = pfs.CommitStatus_ALL
)

CommitStatus alias pfs.CommitStatus_*

Variables

View Source 
var (
	// MapMethod defines a pps.Method for mapper pipelines.
	MapMethod = &pps.Method{
		Partition:   pps.Partition_BLOCK,
		Incremental: pps.Incremental_DIFF,
	}
	// ReduceMethod defines a pps.Method for non-incremental reducer pipelines.
	ReduceMethod = &pps.Method{
		Partition:   pps.Partition_FILE,
		Incremental: pps.Incremental_NONE,
	}
	// IncrementalReduceMethod defines a pps.Method for incremental reducer pipelines.
	IncrementalReduceMethod = &pps.Method{
		Partition:   pps.Partition_FILE,
		Incremental: pps.Incremental_DIFF,
	}
	// GlobalMethod defines a pps.Method for non-incremental, non-partitioned pipelines.
	GlobalMethod = &pps.Method{
		Partition:   pps.Partition_REPO,
		Incremental: pps.Incremental_NONE,
	}
	// DefaultMethod defines the default pps.Method for a pipeline.
	DefaultMethod = MapMethod
	// MethodAliasMap maps a string to a pps.Method for JSON decoding.
	MethodAliasMap = map[string]*pps.Method{
		"map":                MapMethod,
		"reduce":             ReduceMethod,
		"incremental_reduce": IncrementalReduceMethod,
		"global":             GlobalMethod,
	}
	// ReservedRepoNames defines a set of reserved repo names for internal use.
	ReservedRepoNames = map[string]bool{
		"out":  true,
		"prev": true,
	}
)

Functions

func NewBlock added in v1.1.0 

func NewBlock(hash string) *pfs.Block

NewBlock creates a pfs.Block.

func NewCommit added in v1.1.0 

func NewCommit(repoName string, commitID string) *pfs.Commit

NewCommit creates a pfs.Commit.

func NewDiff added in v1.1.0 

func NewDiff(repoName string, commitID string, shard uint64) *pfs.Diff

NewDiff creates a pfs.Diff.

func NewFile added in v1.1.0 

func NewFile(repoName string, commitID string, path string) *pfs.File

NewFile creates a pfs.File.

func NewJob added in v1.1.0 

func NewJob(jobID string) *pps.Job

NewJob creates a pps.Job.

func NewJobInput added in v1.1.0 

func NewJobInput(repoName string, commitID string, method *pps.Method) *pps.JobInput

NewJobInput creates a pps.JobInput.

func NewPipeline added in v1.1.0 

func NewPipeline(pipelineName string) *pps.Pipeline

NewPipeline creates a pps.Pipeline.

func NewPipelineInput added in v1.1.0 

func NewPipelineInput(repoName string, method *pps.Method) *pps.PipelineInput

NewPipelineInput creates a new pps.PipelineInput

func NewRepo added in v1.1.0 

func NewRepo(repoName string) *pfs.Repo

NewRepo creates a pfs.Repo.

Types

type APIClient 

type APIClient struct {
	PfsAPIClient
	PpsAPIClient
	BlockAPIClient
	// contains filtered or unexported fields
}

An APIClient is a wrapper around pfs, pps and block APIClients.

func NewFromAddress 

func NewFromAddress(addr string) (*APIClient, error)

NewFromAddress constructs a new APIClient for the server at addr.

func NewInCluster added in v1.1.0 

func NewInCluster() (*APIClient, error)

NewInCluster constructs a new APIClient using env vars that Kubernetes creates. This should be used to access Pachyderm from within a Kubernetes cluster with Pachyderm running on it.

func (APIClient) ArchiveAll added in v1.2.0 

func (c APIClient) ArchiveAll() error

ArchiveAll archives all commits in all repos.

func (APIClient) ArchiveCommit added in v1.2.0 

func (c APIClient) ArchiveCommit(repoName string, commitID string) error

ArchiveCommit marks a commit as archived. Archived commits are not listed in ListCommit unless commit status is set to Archived or All. Archived commits are not considered by FlushCommit either.

func (APIClient) CancelCommit added in v1.1.0 

func (c APIClient) CancelCommit(repoName string, commitID string) error

CancelCommit ends the process of committing data to a repo. It differs from FinishCommit in that the Commit will not be used as a source for downstream pipelines. CancelCommit is used primarily by PPS for the output commits of errant jobs.

func (*APIClient) Close added in v1.2.0 

func (c *APIClient) Close() error

Close the connection to gRPC

func (APIClient) CreateJob added in v1.1.0 

func (c APIClient) CreateJob(
	image string,
	cmd []string,
	stdin []string,
	parallelismSpec *pps.ParallelismSpec,
	inputs []*pps.JobInput,
	parentJobID string,
) (*pps.Job, error)

CreateJob creates and runs a job in PPS. image is the Docker image to run the job in. cmd is the command passed to the Docker run invocation. NOTE as with Docker cmd is not run inside a shell that means that things like wildcard globbing (*), pipes (|) and file redirects (> and >>) will not work. To get that behavior you should have your command be a shell of your choice and pass a shell script to stdin. stdin is a slice of lines that are sent to your command on stdin. Lines need not end in newline characters. parallelism is how many copies of your container should run in parallel. You may pass 0 for parallelism in which case PPS will set the parallelism based on availabe resources. inputs specifies a set of Commits that will be visible to the job during runtime. parentJobID specifies the a job to use as a parent, it may be left empty in which case there is no parent job. If not left empty your job will use the parent Job's output commit as the parent of its output commit.

func (APIClient) CreatePipeline added in v1.1.0 

func (c APIClient) CreatePipeline(
	name string,
	image string,
	cmd []string,
	stdin []string,
	parallelismSpec *pps.ParallelismSpec,
	inputs []*pps.PipelineInput,
	update bool,
) error

CreatePipeline creates a new pipeline, pipelines are the main computation object in PPS they create a flow of data from a set of input Repos to an output Repo (which has the same name as the pipeline). Whenever new data is committed to one of the input repos the pipelines will create jobs to bring the output Repo up to data. image is the Docker image to run the jobs in. cmd is the command passed to the Docker run invocation. NOTE as with Docker cmd is not run inside a shell that means that things like wildcard globbing (*), pipes (|) and file redirects (> and >>) will not work. To get that behavior you should have your command be a shell of your choice and pass a shell script to stdin. stdin is a slice of lines that are sent to your command on stdin. Lines need not end in newline characters. parallelism is how many copies of your container should run in parallel. You may pass 0 for parallelism in which case PPS will set the parallelism based on availabe resources. inputs specifies a set of Repos that will be visible to the jobs during runtime. commits to these repos will cause the pipeline to create new jobs to process them. update indicates that you want to update an existing pipeline

func (APIClient) CreateRepo added in v1.1.0 

func (c APIClient) CreateRepo(repoName string) error

CreateRepo creates a new Repo object in pfs with the given name. Repos are the top level data object in pfs and should be used to store data of a similar type. For example rather than having a single Repo for an entire project you might have seperate Repos for logs, metrics, database dumps etc.

func (APIClient) DeleteAll added in v1.1.0 

func (c APIClient) DeleteAll() error

DeleteAll deletes everything in the cluster. Use with caution, there is no undo.

func (APIClient) DeleteBlock added in v1.1.0 

func (c APIClient) DeleteBlock(block *pfs.Block) error

DeleteBlock deletes a block from the block store. NOTE: this is lower level function that's used internally and might not be useful to users.

func (APIClient) DeleteCommit added in v1.1.0 

func (c APIClient) DeleteCommit(repoName string, commitID string) error

DeleteCommit deletes a commit. Note it is currently not implemented.

func (APIClient) DeleteFile added in v1.1.0 

func (c APIClient) DeleteFile(repoName string, commitID string, path string) error

DeleteFile deletes a file from a Commit. DeleteFile leaves a tombstone in the Commit, assuming the file isn't written to later attempting to get the file from the finished commit will result in not found error. The file will of course remain intact in the Commit's parent.

func (APIClient) DeletePipeline added in v1.1.0 

func (c APIClient) DeletePipeline(name string) error

DeletePipeline deletes a pipeline along with its output Repo.

func (APIClient) DeleteRepo added in v1.1.0 

func (c APIClient) DeleteRepo(repoName string, force bool) error

DeleteRepo deletes a repo and reclaims the storage space it was using. Note that as of 1.0 we do not reclaim the blocks that the Repo was referencing, this is because they may also be referenced by other Repos and deleting them would make those Repos inaccessible. This will be resolved in later versions. If "force" is set to true, the repo will be removed regardless of errors. This argument should be used with care.

func (APIClient) FinishCommit added in v1.1.0 

func (c APIClient) FinishCommit(repoName string, commitID string) error

FinishCommit ends the process of committing data to a Repo and persists the Commit. Once a Commit is finished the data becomes immutable and future attempts to write to it with PutFile will error.

func (APIClient) FlushCommit added in v1.1.0 

func (c APIClient) FlushCommit(commits []*pfs.Commit, toRepos []*pfs.Repo) ([]*pfs.CommitInfo, error)

FlushCommit blocks until all of the commits which have a set of commits as provenance have finished. For commits to be considered they must have all of the specified commits as provenance. This in effect waits for all of the jobs that are triggered by a set of commits to complete. It returns an error if any of the commits it's waiting on are cancelled due to one of the jobs encountering an error during runtime. If toRepos is not nil then only the commits up to and including those repos will be considered, otherwise all repos are considered. Note that it's never necessary to call FlushCommit to run jobs, they'll run no matter what, FlushCommit just allows you to wait for them to complete and see their output once they do.

func (APIClient) ForkCommit added in v1.2.0 

func (c APIClient) ForkCommit(repoName string, parentCommit string, branch string) (*pfs.Commit, error)

ForkCommit is the same as StartCommit except that the commit is created on a new branch.

func (APIClient) GetBlock added in v1.1.0 

func (c APIClient) GetBlock(hash string, offset uint64, size uint64) (io.Reader, error)

GetBlock returns the content of a block using it's hash. offset specifies a number of bytes that should be skipped in the beginning of the block. size limits the total amount of data returned, note you will get fewer bytes than size if you pass a value larger than the size of the block. If size is set to 0 then all of the data will be returned. NOTE: this is lower level function that's used internally and might not be useful to users.

func (APIClient) GetFile added in v1.1.0 

func (c APIClient) GetFile(repoName string, commitID string, path string, offset int64,
	size int64, fromCommitID string, fullFile bool, shard *pfs.Shard, writer io.Writer) error

GetFile returns the contents of a file at a specific Commit. offset specifies a number of bytes that should be skipped in the beginning of the file. size limits the total amount of data returned, note you will get fewer bytes than size if you pass a value larger than the size of the file. If size is set to 0 then all of the data will be returned. fromCommitID lets you get only the data which was added after this Commit. shard allows you to downsample the data, returning only a subset of the blocks in the file. shard may be left nil in which case the entire file will be returned

func (APIClient) GetLogs added in v1.1.0 

func (c APIClient) GetLogs(
	jobID string,
	writer io.Writer,
) error

GetLogs gets logs from a job (logs includes stdout and stderr).

func (APIClient) InspectBlock added in v1.1.0 

func (c APIClient) InspectBlock(hash string) (*pfs.BlockInfo, error)

InspectBlock returns info about a specific Block.

func (APIClient) InspectCommit added in v1.1.0 

func (c APIClient) InspectCommit(repoName string, commitID string) (*pfs.CommitInfo, error)

InspectCommit returns info about a specific Commit.

func (APIClient) InspectFile added in v1.1.0 

func (c APIClient) InspectFile(repoName string, commitID string, path string,
	fromCommitID string, fullFile bool, shard *pfs.Shard) (*pfs.FileInfo, error)

InspectFile returns info about a specific file. fromCommitID lets you get only info which was added after this Commit. shard allows you to downsample the data, returning info about only a subset of the blocks in the file. shard may be left nil in which case info about the entire file will be returned

func (APIClient) InspectJob added in v1.1.0 

func (c APIClient) InspectJob(jobID string, blockState bool) (*pps.JobInfo, error)

InspectJob returns info about a specific job. blockOutput will cause the call to block until the job has been assigned an output commit. blockState will cause the call to block until the job reaches a terminal state (failure or success).

func (APIClient) InspectPipeline added in v1.1.0 

func (c APIClient) InspectPipeline(pipelineName string) (*pps.PipelineInfo, error)

InspectPipeline returns info about a specific pipeline.

func (APIClient) InspectRepo added in v1.1.0 

func (c APIClient) InspectRepo(repoName string) (*pfs.RepoInfo, error)

InspectRepo returns info about a specific Repo.

func (*APIClient) KeepConnected added in v1.2.0 

func (c *APIClient) KeepConnected(cancel chan bool)

KeepConnected periodically health checks the connection and attempts to reconnect if it becomes unhealthy.

func (APIClient) ListBlock added in v1.1.0 

func (c APIClient) ListBlock() ([]*pfs.BlockInfo, error)

ListBlock returns info about all Blocks.

func (APIClient) ListBranch added in v1.1.0 

func (c APIClient) ListBranch(repoName string, status pfs.CommitStatus) ([]string, error)

ListBranch lists the active branches on a Repo.

func (APIClient) ListCommit added in v1.1.0 

func (c APIClient) ListCommit(fromCommits []*pfs.Commit, provenance []*pfs.Commit,
	commitType pfs.CommitType, status pfs.CommitStatus, block bool) ([]*pfs.CommitInfo, error)

ListCommit returns info about multiple commits. repoNames defines a set of Repos to consider commits from, if repoNames is left nil or empty then the result will be empty. fromCommitIDs lets you get info about Commits that occurred after this set of commits. commitType specifies the type of commit you want returned, normally CommitTypeRead is the most useful option block, when set to true, will cause ListCommit to block until at least 1 new CommitInfo is available. Using fromCommitIDs and block you can get subscription semantics from ListCommit. commitStatus, controls the statuses of the returned commits. The default value `Normal` will filter out archived and cancelled commits. provenance specifies a set of provenance commits, only commits which have ALL of the specified commits as provenance will be returned unless provenance is nil in which case it is ignored.

func (APIClient) ListFile added in v1.1.0 

func (c APIClient) ListFile(repoName string, commitID string, path string, fromCommitID string,
	fullFile bool, shard *pfs.Shard, recurse bool) ([]*pfs.FileInfo, error)

ListFile returns info about all files in a Commit. fromCommitID lets you get only info which was added after this Commit. shard allows you to downsample the data, returning info about only a subset of the blocks in the files or only a subset of files. shard may be left nil in which case info about all the files and all the blocks in those files will be returned. recurse causes ListFile to accurately report the size of data stored in directories, it makes the call more expensive

func (APIClient) ListJob added in v1.1.0 

func (c APIClient) ListJob(pipelineName string, inputCommit []*pfs.Commit) ([]*pps.JobInfo, error)

ListJob returns info about all jobs. If pipelineName is non empty then only jobs that were started by the named pipeline will be returned If inputCommit is non-nil then only jobs which took the specific commits as inputs will be returned. The order of the inputCommits doesn't matter.

func (APIClient) ListPipeline added in v1.1.0 

func (c APIClient) ListPipeline() ([]*pps.PipelineInfo, error)

ListPipeline returns info about all pipelines.

func (APIClient) ListRepo added in v1.1.0 

func (c APIClient) ListRepo(provenance []string) ([]*pfs.RepoInfo, error)

ListRepo returns info about all Repos. provenance specifies a set of provenance repos, only repos which have ALL of the specified repos as provenance will be returned unless provenance is nil in which case it is ignored.

func (APIClient) MakeDirectory added in v1.1.0 

func (c APIClient) MakeDirectory(repoName string, commitID string, path string) (retErr error)

MakeDirectory creates a directory in PFS. Note directories are created implicitly by PutFile, so you technically never need this function unless you want to create an empty directory.

func (APIClient) PutBlock added in v1.1.0 

func (c APIClient) PutBlock(delimiter pfs.Delimiter, reader io.Reader) (blockRefs *pfs.BlockRefs, retErr error)

PutBlock takes a reader and splits the data in it into blocks. Blocks are guaranteed to be new line delimited. Blocks are content addressed and are thus identified by hashes of the content. NOTE: this is lower level function that's used internally and might not be useful to users.

func (APIClient) PutFile added in v1.1.0 

func (c APIClient) PutFile(repoName string, commitID string, path string, reader io.Reader) (_ int, retErr error)

PutFile writes a file to PFS from a reader.

func (APIClient) PutFileURL added in v1.2.0 

func (c APIClient) PutFileURL(repoName string, commitID string, path string, url string) (retErr error)

PutFileURL puts a file using the content found at a URL. The URL is sent to the server which performs the request.

func (APIClient) PutFileWithDelimiter added in v1.1.0 

func (c APIClient) PutFileWithDelimiter(repoName string, commitID string, path string, delimiter pfs.Delimiter, reader io.Reader) (_ int, retErr error)

PutFileWithDelimiter writes a file to PFS from a reader delimiter is used to tell PFS how to break the input into blocks

func (APIClient) PutFileWriter added in v1.1.0 

func (c APIClient) PutFileWriter(repoName string, commitID string, path string, delimiter pfs.Delimiter) (io.WriteCloser, error)

PutFileWriter writes a file to PFS. NOTE: PutFileWriter returns an io.WriteCloser you must call Close on it when you are done writing.

func (APIClient) ReplayCommit added in v1.2.0 

func (c APIClient) ReplayCommit(repo string, fromCommits []string, to string) ([]*pfs.Commit, error)

ReplayCommit creates a series of commits, each of which corresponds to a single commit in `fromCommits`.

func (APIClient) SquashCommit added in v1.2.0 

func (c APIClient) SquashCommit(repo string, fromCommits []string, to string) error

SquashCommit creates a single commit that contains all diffs in `fromCommits` * Replay: create a series of commits, each of which corresponds to a single commit in `fromCommits`.

func (APIClient) StartCommit added in v1.1.0 

func (c APIClient) StartCommit(repoName string, parentCommit string) (*pfs.Commit, error)

StartCommit begins the process of committing data to a Repo. Once started you can write to the Commit with PutFile and when all the data has been written you must finish the Commit with FinishCommit. NOTE, data is not persisted until FinishCommit is called. parentCommit specifies the parent Commit, upon creation the new Commit will appear identical to the parent Commit, data can safely be added to the new commit without affecting the contents of the parent Commit. You may pass "" as parentCommit in which case the new Commit will have no parent and will initially appear empty. branch is a more convenient way to build linear chains of commits. When a commit is started with a non empty branch the value of branch becomes an alias for the created Commit. This enables a more intuitive access pattern. When the commit is started on a branch the previous head of the branch is used as the parent of the commit.

func (APIClient) StartPipeline added in v1.2.0 

func (c APIClient) StartPipeline(name string) error

StartPipeline restarts a stopped pipeline.

func (APIClient) StopPipeline added in v1.2.0 

func (c APIClient) StopPipeline(name string) error

StopPipeline prevents a pipeline from processing things, it can be restarted with StartPipeline.

type BlockAPIClient added in v1.1.0 

type BlockAPIClient pfs.BlockAPIClient

BlockAPIClient is an alias for pfs.BlockAPIClient.

type PfsAPIClient 

type PfsAPIClient pfs.APIClient

PfsAPIClient is an alias for pfs.APIClient.

type PpsAPIClient 

type PpsAPIClient pps.APIClient

PpsAPIClient is an alias for pps.APIClient.

Source Files

View all Source files

Directories

Path Synopsis
Package health is a generated protocol buffer package.
 Package health is a generated protocol buffer package.
Package pfs is a generated protocol buffer package.
 Package pfs is a generated protocol buffer package.
pkg
discovery
grpcutil
require
shard
Package shard is a generated protocol buffer package.
 Package shard is a generated protocol buffer package.
uuid
Package pps is a generated protocol buffer package.
 Package pps is a generated protocol buffer package.

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