151 lines
3.8 KiB
Go
151 lines
3.8 KiB
Go
//go:generate mapstructure-to-hcl2 -type Config
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// The ucloud-uhost contains a packer.Builder implementation that
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// builds uhost images for UCloud UHost instance.
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package uhost
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import (
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"context"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/helper/communicator"
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"github.com/hashicorp/packer/helper/config"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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)
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// The unique ID for this builder
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const BuilderId = "ucloud.uhost"
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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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ctx interpolate.Context
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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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err := config.Decode(&b.config, &config.DecodeOpts{
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Interpolate: true,
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InterpolateContext: &b.config.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"run_command",
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},
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},
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}, raws...)
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b.config.ctx.EnableEnv = true
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if err != nil {
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return nil, err
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}
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// Accumulate any errors
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var errs *packer.MultiError
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errs = packer.MultiErrorAppend(errs, b.config.AccessConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ImageConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
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if errs != nil && len(errs.Errors) > 0 {
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return nil, errs
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}
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packer.LogSecretFilter.Set(b.config.PublicKey, b.config.PrivateKey)
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return nil, nil
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}
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func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
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client, err := b.config.Client()
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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 := new(multistep.BasicStateBag)
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state.Put("config", &b.config)
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state.Put("client", client)
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state.Put("hook", hook)
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state.Put("ui", ui)
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var steps []multistep.Step
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// Build the steps
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steps = []multistep.Step{
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&stepPreValidate{
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ProjectId: b.config.ProjectId,
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Region: b.config.Region,
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Zone: b.config.Zone,
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ImageDestinations: b.config.ImageDestinations,
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},
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&stepCheckSourceImageId{
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SourceUHostImageId: b.config.SourceImageId,
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},
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&stepConfigVPC{
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VPCId: b.config.VPCId,
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},
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&stepConfigSubnet{
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SubnetId: b.config.SubnetId,
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},
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&stepConfigSecurityGroup{
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SecurityGroupId: b.config.SecurityGroupId,
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},
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&stepCreateInstance{
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InstanceType: b.config.InstanceType,
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Region: b.config.Region,
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Zone: b.config.Zone,
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SourceImageId: b.config.SourceImageId,
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InstanceName: b.config.InstanceName,
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BootDiskType: b.config.BootDiskType,
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UsePrivateIp: b.config.UseSSHPrivateIp,
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},
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&communicator.StepConnect{
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Config: &b.config.RunConfig.Comm,
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Host: SSHHost(
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b.config.UseSSHPrivateIp),
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SSHConfig: b.config.RunConfig.Comm.SSHConfigFunc(),
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},
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&common.StepProvision{},
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&stepStopInstance{},
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&stepCreateImage{},
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&stepCopyUCloudImage{
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ImageDestinations: b.config.ImageDestinations,
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RegionId: b.config.Region,
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ProjectId: b.config.ProjectId,
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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(ctx, 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 there are no ucloud images, then just return
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if _, ok := state.GetOk("ucloud_images"); !ok {
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return nil, nil
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}
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// Build the artifact and return it
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artifact := &Artifact{
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UCloudImages: state.Get("ucloud_images").(*imageInfoSet),
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BuilderIdValue: BuilderId,
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Client: client,
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}
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return artifact, nil
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}
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