terraform/command/env_select.go

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package command
import (
"fmt"
"strings"
"github.com/mitchellh/cli"
)
type EnvSelectCommand struct {
Meta
}
func (c *EnvSelectCommand) Run(args []string) int {
args = c.Meta.process(args, true)
cmdFlags := c.Meta.flagSet("env select")
cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
if err := cmdFlags.Parse(args); err != nil {
return 1
}
args = cmdFlags.Args()
if len(args) == 0 {
c.Ui.Error("Expected a single argument: NAME.\n")
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return cli.RunResultHelp
}
configPath, err := ModulePath(args[1:])
if err != nil {
c.Ui.Error(err.Error())
return 1
}
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// Load the backend
b, err := c.Backend(&BackendOpts{ConfigPath: configPath})
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if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to load backend: %s", err))
return 1
}
name := args[0]
if !validEnvName(name) {
c.Ui.Error(fmt.Sprintf(envInvalidName, name))
return 1
}
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states, err := b.States()
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if err != nil {
c.Ui.Error(err.Error())
return 1
}
if name == c.Env() {
// already using this env
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return 0
}
found := false
for _, s := range states {
if name == s {
found = true
break
}
}
if !found {
c.Ui.Error(fmt.Sprintf(envDoesNotExist, name))
return 1
}
err = c.SetEnv(name)
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if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(
c.Colorize().Color(
fmt.Sprintf(envChanged, name),
),
)
return 0
}
func (c *EnvSelectCommand) Help() string {
helpText := `
Usage: terraform env select NAME [DIR]
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Change Terraform environment.
`
return strings.TrimSpace(helpText)
}
func (c *EnvSelectCommand) Synopsis() string {
return "Change environments"
}