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package praefect
import (
"fmt"
"github.com/olekukonko/tablewriter"
"github.com/urfave/cli/v2"
"gitlab.com/gitlab-org/gitaly/v16/internal/log"
)
func newListStoragesCommand() *cli.Command {
return &cli.Command{
Name: "list-storages",
Usage: "list physical storages for virtual storages",
Description: `List the physical storages connected to virtual storages.
Returns a table with the following columns:
- VIRTUAL_STORAGE: Name of the virtual storage Praefect provides to clients.
- NODE: Name the physical storage connected to the virtual storage.
- ADDRESS: Address of the Gitaly node that manages the physical storage for the virtual storage.
If the virtual-storage flag:
- Is specified, lists only physical storages for the specified virtual storage.
- Is not specified, lists physical storages for all virtual storages.
Example: praefect --config praefect.config.toml list-storages --virtual-storage default`,
HideHelpCommand: true,
Action: listStoragesAction,
Flags: []cli.Flag{
&cli.StringFlag{
Name: paramVirtualStorage,
Usage: "name of the virtual storage to list physical storages for",
},
},
Before: func(ctx *cli.Context) error {
if ctx.Args().Present() {
_ = cli.ShowSubcommandHelp(ctx)
return cli.Exit(unexpectedPositionalArgsError{Command: ctx.Command.Name}, 1)
}
return nil
},
}
}
func listStoragesAction(ctx *cli.Context) error {
log.ConfigureCommand()
conf, err := readConfig(ctx.String(configFlagName))
if err != nil {
return err
}
table := tablewriter.NewWriter(ctx.App.Writer)
table.SetHeader([]string{"VIRTUAL_STORAGE", "NODE", "ADDRESS"})
table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
table.SetAutoFormatHeaders(false)
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeaderLine(false)
table.SetBorder(false)
table.SetTablePadding("\t") // pad with tabs
table.SetNoWhiteSpace(true)
if pickedVirtualStorage := ctx.String(paramVirtualStorage); pickedVirtualStorage != "" {
for _, virtualStorage := range conf.VirtualStorages {
if virtualStorage.Name != pickedVirtualStorage {
continue
}
for _, node := range virtualStorage.Nodes {
table.Append([]string{virtualStorage.Name, node.Storage, node.Address})
}
table.Render()
return nil
}
fmt.Fprintf(ctx.App.Writer, "No virtual storages named %s.\n", pickedVirtualStorage)
return nil
}
for _, virtualStorage := range conf.VirtualStorages {
for _, node := range virtualStorage.Nodes {
table.Append([]string{virtualStorage.Name, node.Storage, node.Address})
}
}
table.Render()
return nil
}
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