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tighten up shell-local config validation

This commit is contained in:
Megan Marsh 2018-02-28 15:19:28 -08:00
parent 479d36734d
commit f799003b66
1 changed files with 18 additions and 17 deletions
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35
common/shell-local/config.go
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@ -75,6 +75,7 @@ func Validate(config *Config) error {
"{{.Vars}}",
"{{.Script}}",
}
}
} else {
if config.InlineShebang == "" {
config.InlineShebang = "/bin/sh -e"
@ -110,32 +111,32 @@ func Validate(config *Config) error {
errors.New("Command, Inline, Script and Scripts options cannot all be empty."))
}
if config.Command != "" {
// Backwards Compatibility: Before v1.2.2, the shell-local
// provisioner only allowed a single Command, and to run
// multiple commands you needed to run several provisioners in a
// row, one for each command. In deduplicating the post-processor and
// provisioner code, we've changed this to allow an array of scripts or
// inline commands just like in the post-processor. This conditional
// grandfathers in the "Command" option, allowing the original usage to
// continue to work.
config.Inline = append(config.Inline, config.Command)
}
// Check that user hasn't given us too many commands to run
tooManyOptionsErr := errors.New("You may only specify one of the " +
"following options: Command, Inline, Script or Scripts. Please" +
" consolidate these options in your config.")
if config.Script != "" && len(config.Scripts) > 0 {
errs = packer.MultiErrorAppend(errs,
errors.New("Only one of script or scripts can be specified."))
if config.Command != "" {
if len(config.Inline) != 0 || len(config.Scripts) != 0 || config.Script != "" {
errs = packer.MultiErrorAppend(errs, tooManyOptionsErr)
} else {
config.Inline = []string{config.Command}
}
}
if config.Script != "" {
config.Scripts = []string{config.Script}
if len(config.Scripts) > 0 || len(config.Inline) > 0 {
errs = packer.MultiErrorAppend(errs, tooManyOptionsErr)
} else {
config.Scripts = []string{config.Script}
}
}
if len(config.Scripts) > 0 && config.Inline != nil {
errs = packer.MultiErrorAppend(errs,
errors.New("You may specify either a script file(s) or an inline script(s), but not both."))
errs = packer.MultiErrorAppend(errs, tooManyOptionsErr)
}
// Check that all scripts we need to run exist locally
for _, path := range config.Scripts {
if _, err := os.Stat(path); err != nil {
errs = packer.MultiErrorAppend(errs,