mirror of
https://github.com/hashicorp/packer.git
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e8d5436228
With the removal of vendored_plugins we are no longer interested in tacking bundled plugins usage. For plugins such as file, null, or anything bultin into Packer we don't track because there is no way to install them outside of Packer, for now.
143 lines
3.6 KiB
Go
143 lines
3.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package command
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import (
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"context"
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"strings"
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"github.com/hashicorp/packer/packer"
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"github.com/posener/complete"
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)
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type ValidateCommand struct {
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Meta
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}
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func (c *ValidateCommand) Run(args []string) int {
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ctx, cleanup := handleTermInterrupt(c.Ui)
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defer cleanup()
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cfg, ret := c.ParseArgs(args)
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if ret != 0 {
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return ret
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}
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return c.RunContext(ctx, cfg)
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}
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func (c *ValidateCommand) ParseArgs(args []string) (*ValidateArgs, int) {
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var cfg ValidateArgs
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flags := c.Meta.FlagSet("validate")
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flags.Usage = func() { c.Ui.Say(c.Help()) }
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cfg.AddFlagSets(flags)
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if err := flags.Parse(args); err != nil {
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return &cfg, 1
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}
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args = flags.Args()
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if len(args) != 1 {
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flags.Usage()
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return &cfg, 1
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}
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cfg.Path = args[0]
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return &cfg, 0
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}
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func (c *ValidateCommand) RunContext(ctx context.Context, cla *ValidateArgs) int {
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// By default we want to inform users of undeclared variables when validating but not during build time.
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cla.MetaArgs.WarnOnUndeclaredVar = true
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if cla.NoWarnUndeclaredVar {
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cla.MetaArgs.WarnOnUndeclaredVar = false
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}
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packerStarter, ret := c.GetConfig(&cla.MetaArgs)
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if ret != 0 {
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return 1
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}
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// If we're only checking syntax, then we're done already
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if cla.SyntaxOnly {
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c.Ui.Say("Syntax-only check passed. Everything looks okay.")
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return 0
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}
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diags := packerStarter.DetectPluginBinaries()
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ret = writeDiags(c.Ui, nil, diags)
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if ret != 0 {
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return ret
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}
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diags = packerStarter.Initialize(packer.InitializeOptions{
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SkipDatasourcesExecution: !cla.EvaluateDatasources,
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})
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ret = writeDiags(c.Ui, nil, diags)
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if ret != 0 {
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return ret
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}
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_, diags = packerStarter.GetBuilds(packer.GetBuildsOptions{
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Only: cla.Only,
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Except: cla.Except,
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})
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fixerDiags := packerStarter.FixConfig(packer.FixConfigOptions{
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Mode: packer.Diff,
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})
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diags = append(diags, fixerDiags...)
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ret = writeDiags(c.Ui, nil, diags)
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if ret == 0 {
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c.Ui.Say("The configuration is valid.")
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}
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return ret
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}
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func (*ValidateCommand) Help() string {
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helpText := `
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Usage: packer validate [options] TEMPLATE
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Checks the template is valid by parsing the template and also
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checking the configuration with the various builders, provisioners, etc.
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If it is not valid, the errors will be shown and the command will exit
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with a non-zero exit status. If it is valid, it will exit with a zero
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exit status.
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Options:
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-syntax-only Only check syntax. Do not verify config of the template.
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-except=foo,bar,baz Validate all builds other than these.
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-only=foo,bar,baz Validate only these builds.
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-machine-readable Produce machine-readable output.
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-var 'key=value' Variable for templates, can be used multiple times.
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-var-file=path JSON or HCL2 file containing user variables, can be used multiple times.
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-no-warn-undeclared-var Disable warnings for user variable files containing undeclared variables.
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-evaluate-datasources Evaluate data sources during validation (HCL2 only, may incur costs); Defaults to false.
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`
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return strings.TrimSpace(helpText)
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}
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func (*ValidateCommand) Synopsis() string {
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return "check that a template is valid"
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}
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func (*ValidateCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (*ValidateCommand) AutocompleteFlags() complete.Flags {
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return complete.Flags{
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"-syntax-only": complete.PredictNothing,
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"-except": complete.PredictNothing,
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"-only": complete.PredictNothing,
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"-var": complete.PredictNothing,
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"-machine-readable": complete.PredictNothing,
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"-var-file": complete.PredictNothing,
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}
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}
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