open-nomad/command/volume_create.go

109 lines
2.4 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"io"
"os"
"strings"
"github.com/posener/complete"
)
type VolumeCreateCommand struct {
Meta
}
func (c *VolumeCreateCommand) Help() string {
helpText := `
Usage: nomad volume create [options] <input>
Creates a volume in an external storage provider and registers it in Nomad.
If the supplied path is "-" the volume file is read from stdin. Otherwise, it
is read from the file at the supplied path.
When ACLs are enabled, this command requires a token with the
'csi-write-volume' capability for the volume's namespace.
General Options:
` + generalOptionsUsage(usageOptsDefault)
return strings.TrimSpace(helpText)
}
func (c *VolumeCreateCommand) AutocompleteFlags() complete.Flags {
return c.Meta.AutocompleteFlags(FlagSetClient)
}
func (c *VolumeCreateCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictFiles("*")
}
func (c *VolumeCreateCommand) Synopsis() string {
return "Create an external volume"
}
func (c *VolumeCreateCommand) Name() string { return "volume create" }
func (c *VolumeCreateCommand) Run(args []string) int {
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
if err := flags.Parse(args); err != nil {
c.Ui.Error(fmt.Sprintf("Error parsing arguments %s", err))
return 1
}
// Check that we get exactly one argument
args = flags.Args()
if l := len(args); l != 1 {
c.Ui.Error("This command takes one argument: <input>")
c.Ui.Error(commandErrorText(c))
return 1
}
// Read the file contents
file := args[0]
var rawVolume []byte
var err error
if file == "-" {
rawVolume, err = io.ReadAll(os.Stdin)
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to read stdin: %v", err))
return 1
}
} else {
rawVolume, err = os.ReadFile(file)
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to read file: %v", err))
return 1
}
}
ast, volType, err := parseVolumeType(string(rawVolume))
if err != nil {
c.Ui.Error(fmt.Sprintf("Error parsing the volume type: %s", err))
return 1
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
switch strings.ToLower(volType) {
case "csi":
code := c.csiCreate(client, ast)
return code
default:
c.Ui.Error(fmt.Sprintf("Error unknown volume type: %s", volType))
return 1
}
}