110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
package main
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import (
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"errors"
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"log"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/packer"
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"github.com/mitchellh/multistep"
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"github.com/hashicorp/packer/helper/communicator"
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gossh "golang.org/x/crypto/ssh"
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"github.com/hashicorp/packer/communicator/ssh"
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)
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type Builder struct {
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config *Config
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runner multistep.Runner
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}
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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c, warnings, errs := NewConfig(raws...)
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if errs != nil {
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return warnings, errs
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}
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b.config = c
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return warnings, nil
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}
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func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
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// Set up the state.
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state := new(multistep.BasicStateBag)
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state.Put("hook", hook)
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state.Put("ui", ui)
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// Build the steps.
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steps := []multistep.Step{
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&StepSetup{
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config: b.config,
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},
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&StepCloneVM{
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config: b.config,
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},
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&StepConfigureHW{
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config: b.config,
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},
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&StepRun{},
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&communicator.StepConnect{
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Config: &b.config.Config,
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Host: func(state multistep.StateBag) (string, error) {
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return state.Get("ip").(string), nil
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},
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SSHConfig: func(multistep.StateBag) (*gossh.ClientConfig, error) {
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return &gossh.ClientConfig{
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User: b.config.Config.SSHUsername,
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Auth: []gossh.AuthMethod{
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gossh.Password(b.config.Config.SSHPassword),
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gossh.KeyboardInteractive(
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ssh.PasswordKeyboardInteractive(b.config.Config.SSHPassword)),
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},
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// TODO: add a proper verification
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HostKeyCallback: gossh.InsecureIgnoreHostKey(),
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}, nil
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},
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},
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&common.StepProvision{},
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&StepShutdown{
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Command: b.config.ShutdownCommand,
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ShutdownTimeout: b.config.ShutdownTimeout,
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},
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&StepCreateSnapshot{
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createSnapshot: b.config.CreateSnapshot,
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},
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&StepConvertToTemplate{
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ConvertToTemplate: b.config.ConvertToTemplate,
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},
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}
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// Run!
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b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
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b.runner.Run(state)
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// If there was an error, return that
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if rawErr, ok := state.GetOk("error"); ok {
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return nil, rawErr.(error)
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}
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// If we were interrupted or cancelled, then just exit.
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return nil, errors.New("Build was cancelled.")
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}
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if _, ok := state.GetOk(multistep.StateHalted); ok {
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return nil, errors.New("Build was halted.")
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}
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// No errors, must've worked
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artifact := &Artifact{
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VMName: b.config.VMName,
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}
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return artifact, nil
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}
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func (b *Builder) Cancel() {
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if b.runner != nil {
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log.Println("Cancelling the step runner...")
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b.runner.Cancel()
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}
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}
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