packer-cn/builder.go

108 lines
2.5 KiB
Go

package main
import (
"errors"
"log"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
"github.com/hashicorp/packer/helper/communicator"
gossh "golang.org/x/crypto/ssh"
"github.com/hashicorp/packer/communicator/ssh"
"github.com/vmware/govmomi/object"
)
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) {
state := new(multistep.BasicStateBag)
state.Put("hook", hook)
state.Put("ui", ui)
steps := []multistep.Step{
&StepConnect{
config: &b.config.ConnectConfig,
},
&StepCloneVM{
config: &b.config.CloneConfig,
},
&StepConfigureHardware{
config: &b.config.HardwareConfig,
},
&StepRun{},
&communicator.StepConnect{
Config: &b.config.Config,
Host: func(state multistep.StateBag) (string, error) {
return state.Get("ip").(string), nil
},
SSHConfig: func(multistep.StateBag) (*gossh.ClientConfig, error) {
return &gossh.ClientConfig{
User: b.config.Config.SSHUsername,
Auth: []gossh.AuthMethod{
gossh.Password(b.config.Config.SSHPassword),
gossh.KeyboardInteractive(
ssh.PasswordKeyboardInteractive(b.config.Config.SSHPassword)),
},
// TODO: add a proper verification
HostKeyCallback: gossh.InsecureIgnoreHostKey(),
}, nil
},
},
&common.StepProvision{},
&StepShutdown{
config: &b.config.ShutdownConfig,
},
&StepCreateSnapshot{
createSnapshot: b.config.CreateSnapshot,
},
&StepConvertToTemplate{
ConvertToTemplate: b.config.ConvertToTemplate,
},
}
// Run!
b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
b.runner.Run(state)
// If there was an error, return that
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
// If we were interrupted or cancelled, then just exit.
if _, ok := state.GetOk(multistep.StateCancelled); ok {
return nil, errors.New("Build was cancelled.")
}
if _, ok := state.GetOk(multistep.StateHalted); ok {
return nil, errors.New("Build was halted.")
}
artifact := &Artifact{
VMName: b.config.VMName,
Conn: state.Get("vm").(*object.VirtualMachine),
}
return artifact, nil
}
func (b *Builder) Cancel() {
if b.runner != nil {
log.Println("Cancelling the step runner...")
b.runner.Cancel()
}
}