terraform/internal/command/arguments/plan.go

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package arguments
import (
"github.com/hashicorp/terraform/internal/tfdiags"
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)
// Plan represents the command-line arguments for the plan command.
type Plan struct {
// State, Operation, and Vars are the common extended flags
State *State
Operation *Operation
Vars *Vars
// DetailedExitCode enables different exit codes for error, success with
// changes, and success with no changes.
DetailedExitCode bool
// InputEnabled is used to disable interactive input for unspecified
// variable and backend config values. Default is true.
InputEnabled bool
// OutPath contains an optional path to store the plan file
OutPath string
// ViewType specifies which output format to use
ViewType ViewType
}
// ParsePlan processes CLI arguments, returning a Plan value and errors.
// If errors are encountered, a Plan value is still returned representing
// the best effort interpretation of the arguments.
func ParsePlan(args []string) (*Plan, tfdiags.Diagnostics) {
var diags tfdiags.Diagnostics
plan := &Plan{
State: &State{},
Operation: &Operation{},
Vars: &Vars{},
}
cmdFlags := extendedFlagSet("plan", plan.State, plan.Operation, plan.Vars)
cmdFlags.BoolVar(&plan.DetailedExitCode, "detailed-exitcode", false, "detailed-exitcode")
cmdFlags.BoolVar(&plan.InputEnabled, "input", true, "input")
cmdFlags.StringVar(&plan.OutPath, "out", "", "out")
var json bool
cmdFlags.BoolVar(&json, "json", false, "json")
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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) > 0 {
diags = diags.Append(tfdiags.Sourceless(
tfdiags.Error,
"Too many command line arguments",
"To specify a working directory for the plan, use the global -chdir flag.",
))
}
diags = diags.Append(plan.Operation.Parse())
// JSON view currently does not support input, so we disable it here
if json {
plan.InputEnabled = false
}
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switch {
case json:
plan.ViewType = ViewJSON
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default:
plan.ViewType = ViewHuman
}
return plan, diags
}