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Document NewRunner

This commit is contained in:
Orivej Desh 2016-09-14 01:11:36 +00:00
parent e9cc28565b
commit 115cb5080f
2 changed files with 10 additions and 1 deletions
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8
common/multistep_runner.go
View File

@ -11,7 +11,7 @@ import (
"github.com/mitchellh/packer/packer" "github.com/mitchellh/packer/packer"
) )
func newRunner(steps []multistep.Step, config PackerConfig, ui packer.Ui) (multistep.Runner, interface{}) { func newRunner(steps []multistep.Step, config PackerConfig, ui packer.Ui) (multistep.Runner, multistep.DebugPauseFn) {
switch config.PackerOnError { switch config.PackerOnError {
case "cleanup", "": case "cleanup", "":
case "abort": case "abort":
@ -34,11 +34,17 @@ func newRunner(steps []multistep.Step, config PackerConfig, ui packer.Ui) (multi
} }
} }
// NewRunner returns a multistep.Runner that runs steps augmented with support
// for -debug and -on-error command line arguments.
func NewRunner(steps []multistep.Step, config PackerConfig, ui packer.Ui) multistep.Runner { func NewRunner(steps []multistep.Step, config PackerConfig, ui packer.Ui) multistep.Runner {
runner, _ := newRunner(steps, config, ui) runner, _ := newRunner(steps, config, ui)
return runner return runner
} }
// NewRunnerWithPauseFn returns a multistep.Runner that runs steps augmented
// with support for -debug and -on-error command line arguments. With -debug it
// puts the multistep.DebugPauseFn that will pause execution between steps into
// the state under the key "pauseFn".
func NewRunnerWithPauseFn(steps []multistep.Step, config PackerConfig, ui packer.Ui, state multistep.StateBag) multistep.Runner { func NewRunnerWithPauseFn(steps []multistep.Step, config PackerConfig, ui packer.Ui, state multistep.StateBag) multistep.Runner {
runner, pauseFn := newRunner(steps, config, ui) runner, pauseFn := newRunner(steps, config, ui)
if pauseFn != nil { if pauseFn != nil {

3
website/source/docs/command-line/build.html.md
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@ -47,3 +47,6 @@ artifacts that are created will be outputted at the end of the build.
comma-separated names. Build names by default are the names of their comma-separated names. Build names by default are the names of their
builders, unless a specific `name` attribute is specified within builders, unless a specific `name` attribute is specified within
the configuration. the configuration.
- `-parallel=false` - Disable parallelization of multiple builders (on by
default).