89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package arguments
|
|
|
|
import (
|
|
"github.com/hashicorp/terraform/internal/tfdiags"
|
|
)
|
|
|
|
// Output represents the command-line arguments for the output command.
|
|
type Output struct {
|
|
// Name identifies which root module output to show. If empty, show all
|
|
// outputs.
|
|
Name string
|
|
|
|
// StatePath is an optional path to a state file, from which outputs will
|
|
// be loaded.
|
|
StatePath string
|
|
|
|
// ViewType specifies which output format to use: human, JSON, or "raw".
|
|
ViewType ViewType
|
|
}
|
|
|
|
// ParseOutput processes CLI arguments, returning an Output value and errors.
|
|
// If errors are encountered, an Output value is still returned representing
|
|
// the best effort interpretation of the arguments.
|
|
func ParseOutput(args []string) (*Output, tfdiags.Diagnostics) {
|
|
var diags tfdiags.Diagnostics
|
|
output := &Output{}
|
|
|
|
var jsonOutput, rawOutput bool
|
|
var statePath string
|
|
cmdFlags := defaultFlagSet("output")
|
|
cmdFlags.BoolVar(&jsonOutput, "json", false, "json")
|
|
cmdFlags.BoolVar(&rawOutput, "raw", false, "raw")
|
|
cmdFlags.StringVar(&statePath, "state", "", "path")
|
|
|
|
if err := cmdFlags.Parse(args); err != nil {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Failed to parse command-line flags",
|
|
err.Error(),
|
|
))
|
|
}
|
|
|
|
args = cmdFlags.Args()
|
|
if len(args) > 1 {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Unexpected argument",
|
|
"The output command expects exactly one argument with the name of an output variable or no arguments to show all outputs.",
|
|
))
|
|
}
|
|
|
|
if jsonOutput && rawOutput {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Invalid output format",
|
|
"The -raw and -json options are mutually-exclusive.",
|
|
))
|
|
|
|
// Since the desired output format is unknowable, fall back to default
|
|
jsonOutput = false
|
|
rawOutput = false
|
|
}
|
|
|
|
output.StatePath = statePath
|
|
|
|
if len(args) > 0 {
|
|
output.Name = args[0]
|
|
}
|
|
|
|
if rawOutput && output.Name == "" {
|
|
diags = diags.Append(tfdiags.Sourceless(
|
|
tfdiags.Error,
|
|
"Output name required",
|
|
"You must give the name of a single output value when using the -raw option.",
|
|
))
|
|
}
|
|
|
|
switch {
|
|
case jsonOutput:
|
|
output.ViewType = ViewJSON
|
|
case rawOutput:
|
|
output.ViewType = ViewRaw
|
|
default:
|
|
output.ViewType = ViewHuman
|
|
}
|
|
|
|
return output, diags
|
|
}
|