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// Copyright 2012, 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package main
import (
"errors"
"launchpad.net/gnuflag"
"launchpad.net/juju-core/cmd"
"launchpad.net/juju-core/juju"
"launchpad.net/juju-core/state/api/params"
"launchpad.net/juju-core/state/statecmd"
)
// GetCommand retrieves the configuration of a service.
type GetCommand struct {
EnvCommandBase
ServiceName string
out cmd.Output
}
func (c *GetCommand) Info() *cmd.Info {
return &cmd.Info{
Name: "get",
Args: "<service>",
Purpose: "get service config options",
}
}
func (c *GetCommand) SetFlags(f *gnuflag.FlagSet) {
c.EnvCommandBase.SetFlags(f)
// TODO(dfc) add json formatting ?
c.out.AddFlags(f, "yaml", map[string]cmd.Formatter{
"yaml": cmd.FormatYaml,
})
}
func (c *GetCommand) Init(args []string) error {
// TODO(dfc) add --schema-only
if len(args) == 0 {
return errors.New("no service name specified")
}
c.ServiceName = args[0]
return cmd.CheckEmpty(args[1:])
}
// Run fetches the configuration of the service and formats
// the result as a YAML string.
func (c *GetCommand) Run(ctx *cmd.Context) error {
conn, err := juju.NewConnFromName(c.EnvName)
if err != nil {
return err
}
defer conn.Close()
params := params.ServiceGet{
ServiceName: c.ServiceName,
}
results, err := statecmd.ServiceGet(conn.State, params)
if err != nil {
return err
}
resultsMap := map[string]interface{}{
"service": results.Service,
"charm": results.Charm,
"settings": results.Config,
}
return c.out.Write(ctx, resultsMap)
}
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