b879ec85cc
The null builder is not really a bulider, it just setups a SSH connection and runs the provisioners. It can be used to debug provisioners without incurring high wait times. It does not create any kind of image or artifact.
72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package null
|
|
|
|
import (
|
|
"github.com/mitchellh/multistep"
|
|
"github.com/mitchellh/packer/common"
|
|
"github.com/mitchellh/packer/packer"
|
|
"log"
|
|
"time"
|
|
)
|
|
|
|
const BuilderId = "fnoeding.null"
|
|
|
|
type Builder struct {
|
|
config *Config
|
|
runner multistep.Runner
|
|
}
|
|
|
|
func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
|
|
c, warnings, errs := NewConfig(raws...)
|
|
if errs != nil {
|
|
return warnings, errs
|
|
}
|
|
b.config = c
|
|
|
|
return warnings, nil
|
|
}
|
|
|
|
func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
|
|
steps := []multistep.Step{
|
|
&common.StepConnectSSH{
|
|
SSHAddress: SSHAddress(b.config.Host, b.config.Port),
|
|
SSHConfig: SSHConfig(b.config.SSHUsername, b.config.SSHPassword, b.config.SSHPrivateKeyFile),
|
|
SSHWaitTimeout: 1 * time.Minute,
|
|
},
|
|
&common.StepProvision{},
|
|
}
|
|
|
|
// Setup the state bag and initial state for the steps
|
|
state := new(multistep.BasicStateBag)
|
|
state.Put("config", b.config)
|
|
state.Put("hook", hook)
|
|
state.Put("ui", ui)
|
|
|
|
// Run!
|
|
if b.config.PackerDebug {
|
|
b.runner = &multistep.DebugRunner{
|
|
Steps: steps,
|
|
PauseFn: common.MultistepDebugFn(ui),
|
|
}
|
|
} else {
|
|
b.runner = &multistep.BasicRunner{Steps: steps}
|
|
}
|
|
|
|
b.runner.Run(state)
|
|
|
|
// If there was an error, return that
|
|
if rawErr, ok := state.GetOk("error"); ok {
|
|
return nil, rawErr.(error)
|
|
}
|
|
|
|
// No errors, must've worked
|
|
artifact := &NullArtifact{}
|
|
return artifact, nil
|
|
}
|
|
|
|
func (b *Builder) Cancel() {
|
|
if b.runner != nil {
|
|
log.Println("Cancelling the step runner...")
|
|
b.runner.Cancel()
|
|
}
|
|
}
|