packer-cn/builder/hcloud/builder.go

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package hcloud
import (
"context"
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"fmt"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hetznercloud/hcloud-go/hcloud"
)
// The unique id for the builder
const BuilderId = "hcloud.builder"
type Builder struct {
config Config
runner multistep.Runner
hcloudClient *hcloud.Client
}
var pluginVersion = "1.0.0"
func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
config, warnings, errs := NewConfig(raws...)
if errs != nil {
return warnings, errs
}
b.config = *config
return nil, nil
}
func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
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opts := []hcloud.ClientOption{
hcloud.WithToken(b.config.HCloudToken),
hcloud.WithEndpoint(b.config.Endpoint),
hcloud.WithPollInterval(b.config.PollInterval),
hcloud.WithApplication("hcloud-packer", pluginVersion),
}
b.hcloudClient = hcloud.NewClient(opts...)
// Set up the state
state := new(multistep.BasicStateBag)
state.Put("config", &b.config)
state.Put("hcloudClient", b.hcloudClient)
state.Put("hook", hook)
state.Put("ui", ui)
// Build the steps
steps := []multistep.Step{
&stepCreateSSHKey{
Debug: b.config.PackerDebug,
DebugKeyPath: fmt.Sprintf("ssh_key_%s.pem", b.config.PackerBuildName),
},
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&stepCreateServer{},
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&communicator.StepConnect{
Config: &b.config.Comm,
Host: getServerIP,
SSHConfig: b.config.Comm.SSHConfigFunc(),
},
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&common.StepProvision{},
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&common.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
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&stepShutdownServer{},
&stepCreateSnapshot{},
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}
// Run the steps
b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
b.runner.Run(ctx, state)
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// If there was an error, return that
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
if _, ok := state.GetOk("snapshot_name"); !ok {
return nil, nil
}
artifact := &Artifact{
snapshotName: state.Get("snapshot_name").(string),
snapshotId: state.Get("snapshot_id").(int),
hcloudClient: b.hcloudClient,
}
return artifact, nil
}