123 lines
2.8 KiB
Go
123 lines
2.8 KiB
Go
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// The openstack package contains a packer.Builder implementation that
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// builds Images for openstack.
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package openstack
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import (
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//"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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"github.com/rackspace/gophercloud"
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"log"
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)
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// The unique ID for this builder
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const BuilderId = "mitchellh.openstack"
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type config struct {
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common.PackerConfig `mapstructure:",squash"`
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AccessConfig `mapstructure:",squash"`
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ImageConfig `mapstructure:",squash"`
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RunConfig `mapstructure:",squash"`
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tpl *packer.ConfigTemplate
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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{}) error {
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md, err := common.DecodeConfig(&b.config, raws...)
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if err != nil {
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return err
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}
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b.config.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return err
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}
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b.config.tpl.UserVars = b.config.PackerUserVars
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// Accumulate any errors
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errs := common.CheckUnusedConfig(md)
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errs = packer.MultiErrorAppend(errs, b.config.AccessConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.ImageConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(b.config.tpl)...)
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if errs != nil && len(errs.Errors) > 0 {
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return errs
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}
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log.Printf("Config: %+v", b.config)
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return 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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auth, err := b.config.AccessConfig.Auth()
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if err != nil {
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return nil, err
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}
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// Setup the state bag and initial state for the steps
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state := make(map[string]interface{})
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state["config"] = b.config
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state["accessor"] = auth
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api := &gophercloud.ApiCriteria{
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Name: "cloudServersOpenStack",
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Region: "DFW",
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VersionId: "2",
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UrlChoice: gophercloud.PublicURL,
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}
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state["api"] = api
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state["hook"] = hook
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state["ui"] = ui
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// Build the steps
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steps := []multistep.Step{
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&StepKeyPair{},
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&StepRunSourceServer{
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Name: b.config.ImageName,
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Flavor: b.config.Flavor,
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SourceImage: b.config.SourceImage,
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},
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&common.StepConnectSSH{
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SSHAddress: SSHAddress(&auth, api, b.config.SSHPort),
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SSHConfig: SSHConfig(b.config.SSHUsername),
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SSHWaitTimeout: b.config.SSHTimeout(),
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},
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&common.StepProvision{},
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&stepCreateImage{},
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}
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// Run!
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if b.config.PackerDebug {
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b.runner = &multistep.DebugRunner{
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Steps: steps,
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PauseFn: common.MultistepDebugFn(ui),
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}
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} else {
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b.runner = &multistep.BasicRunner{Steps: steps}
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}
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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["error"]; ok {
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return nil, rawErr.(error)
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}
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// XXX - add artifact
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return nil, 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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