packer-cn/builder/ucloud/uhost/builder.go

148 lines
3.7 KiB
Go

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