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// Copyright 2012, 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package main
import (
"errors"
"fmt"
"launchpad.net/juju-core/cmd"
"launchpad.net/juju-core/juju"
"launchpad.net/juju-core/names"
"launchpad.net/juju-core/state/api/params"
"launchpad.net/juju-core/state/statecmd"
)
// DestroyUnitCommand is responsible for destroying service units.
type DestroyUnitCommand struct {
EnvCommandBase
UnitNames []string
}
func (c *DestroyUnitCommand) Info() *cmd.Info {
return &cmd.Info{
Name: "destroy-unit",
Args: "<unit> [...]",
Purpose: "destroy service units",
Aliases: []string{"remove-unit"},
}
}
func (c *DestroyUnitCommand) Init(args []string) error {
c.UnitNames = args
if len(c.UnitNames) == 0 {
return errors.New("no units specified")
}
for _, name := range c.UnitNames {
if !names.IsUnitName(name) {
return fmt.Errorf("invalid unit name %q", name)
}
}
return nil
}
// Run connects to the environment specified on the command line and destroys
// units therein.
func (c *DestroyUnitCommand) Run(_ *cmd.Context) (err error) {
conn, err := juju.NewConnFromName(c.EnvName)
if err != nil {
return err
}
defer conn.Close()
params := params.DestroyServiceUnits{
UnitNames: c.UnitNames,
}
return statecmd.DestroyServiceUnits(conn.State, params)
}
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