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package main
import (
"context"
"errors"
"flag"
"fmt"
"io"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/config"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
)
const metadataCmdName = "metadata"
type metadataSubcommand struct {
stdout io.Writer
repositoryID int64
virtualStorage string
relativePath string
}
func newMetadataSubcommand(stdout io.Writer) *metadataSubcommand {
return &metadataSubcommand{stdout: stdout}
}
func (cmd *metadataSubcommand) FlagSet() *flag.FlagSet {
fs := flag.NewFlagSet(metadataCmdName, flag.ContinueOnError)
fs.Int64Var(&cmd.repositoryID, "repository-id", 0, "the repository's ID")
fs.StringVar(&cmd.virtualStorage, "virtual-storage", "", "the repository's virtual storage")
fs.StringVar(&cmd.relativePath, "relative-path", "", "the repository's relative path in the virtual storage")
return fs
}
func (cmd *metadataSubcommand) println(format string, args ...interface{}) {
fmt.Fprintf(cmd.stdout, format+"\n", args...)
}
func (cmd *metadataSubcommand) Exec(flags *flag.FlagSet, cfg config.Config) error {
if flags.NArg() > 0 {
return unexpectedPositionalArgsError{Command: flags.Name()}
}
var request gitalypb.GetRepositoryMetadataRequest
switch {
case cmd.repositoryID != 0:
if cmd.virtualStorage != "" || cmd.relativePath != "" {
return errors.New("virtual storage and relative path can't be provided with a repository ID")
}
request.Query = &gitalypb.GetRepositoryMetadataRequest_RepositoryId{RepositoryId: cmd.repositoryID}
case cmd.virtualStorage != "" || cmd.relativePath != "":
if cmd.virtualStorage == "" {
return errors.New("virtual storage is required with relative path")
} else if cmd.relativePath == "" {
return errors.New("relative path is required with virtual storage")
}
request.Query = &gitalypb.GetRepositoryMetadataRequest_Path_{
Path: &gitalypb.GetRepositoryMetadataRequest_Path{
VirtualStorage: cmd.virtualStorage,
RelativePath: cmd.relativePath,
},
}
default:
return errors.New("repository id or virtual storage and relative path required")
}
nodeAddr, err := getNodeAddress(cfg)
if err != nil {
return fmt.Errorf("get node address: %w", err)
}
ctx := context.TODO()
conn, err := subCmdDial(ctx, nodeAddr, cfg.Auth.Token, defaultDialTimeout)
if err != nil {
return fmt.Errorf("dial: %w", err)
}
defer conn.Close()
metadata, err := gitalypb.NewPraefectInfoServiceClient(conn).GetRepositoryMetadata(ctx, &request)
if err != nil {
return fmt.Errorf("get metadata: %w", err)
}
cmd.println("Repository ID: %d", metadata.RepositoryId)
cmd.println("Virtual Storage: %q", metadata.VirtualStorage)
cmd.println("Relative Path: %q", metadata.RelativePath)
cmd.println("Replica Path: %q", metadata.ReplicaPath)
cmd.println("Primary: %q", metadata.Primary)
cmd.println("Generation: %d", metadata.Generation)
cmd.println("Replicas:")
for _, replica := range metadata.Replicas {
cmd.println("- Storage: %q", replica.Storage)
cmd.println(" Assigned: %v", replica.Assigned)
generationText := fmt.Sprintf("%d, fully up to date", replica.Generation)
if replica.Generation == -1 {
generationText = "replica not yet created"
} else if replica.Generation < metadata.Generation {
generationText = fmt.Sprintf("%d, behind by %d changes", replica.Generation, metadata.Generation-replica.Generation)
}
cmd.println(" Generation: %s", generationText)
cmd.println(" Healthy: %v", replica.Healthy)
cmd.println(" Valid Primary: %v", replica.ValidPrimary)
}
return nil
}
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