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https://github.com/opentofu/opentofu.git
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ffe056bacb
This is part of a general effort to move all of Terraform's non-library package surface under internal in order to reinforce that these are for internal use within Terraform only. If you were previously importing packages under this prefix into an external codebase, you could pin to an earlier release tag as an interim solution until you've make a plan to achieve the same functionality some other way.
89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package arguments
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import (
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"github.com/hashicorp/terraform/internal/tfdiags"
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)
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// Output represents the command-line arguments for the output command.
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type Output struct {
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// Name identifies which root module output to show. If empty, show all
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// outputs.
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Name string
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// StatePath is an optional path to a state file, from which outputs will
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// be loaded.
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StatePath string
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// ViewType specifies which output format to use: human, JSON, or "raw".
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ViewType ViewType
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}
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// ParseOutput processes CLI arguments, returning an Output value and errors.
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// If errors are encountered, an Output value is still returned representing
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// the best effort interpretation of the arguments.
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func ParseOutput(args []string) (*Output, tfdiags.Diagnostics) {
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var diags tfdiags.Diagnostics
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output := &Output{}
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var jsonOutput, rawOutput bool
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var statePath string
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cmdFlags := defaultFlagSet("output")
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cmdFlags.BoolVar(&jsonOutput, "json", false, "json")
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cmdFlags.BoolVar(&rawOutput, "raw", false, "raw")
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cmdFlags.StringVar(&statePath, "state", "", "path")
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if err := cmdFlags.Parse(args); err != nil {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Failed to parse command-line flags",
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err.Error(),
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))
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}
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args = cmdFlags.Args()
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if len(args) > 1 {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Unexpected argument",
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"The output command expects exactly one argument with the name of an output variable or no arguments to show all outputs.",
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))
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}
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if jsonOutput && rawOutput {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Invalid output format",
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"The -raw and -json options are mutually-exclusive.",
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))
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// Since the desired output format is unknowable, fall back to default
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jsonOutput = false
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rawOutput = false
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}
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output.StatePath = statePath
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if len(args) > 0 {
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output.Name = args[0]
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}
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if rawOutput && output.Name == "" {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Output name required",
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"You must give the name of a single output value when using the -raw option.",
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))
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}
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switch {
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case jsonOutput:
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output.ViewType = ViewJSON
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case rawOutput:
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output.ViewType = ViewRaw
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default:
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output.ViewType = ViewHuman
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}
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return output, diags
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}
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