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package hcloud
import (
"context"
"fmt"
"github.com/hashicorp/hcl/v2/hcldec"
"github.com/hashicorp/packer/packer-plugin-sdk/communicator"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep/commonsteps"
packersdk "github.com/hashicorp/packer/packer-plugin-sdk/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) ConfigSpec() hcldec.ObjectSpec { return b.config.FlatMapstructure().HCL2Spec() }
func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
warnings, errs := b.config.Prepare(raws...)
if errs != nil {
return nil, warnings, errs
}
return nil, nil, nil
}
func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook) (packersdk.Artifact, error) {
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),
},
&stepCreateServer{},
&communicator.StepConnect{
Config: &b.config.Comm,
Host: getServerIP,
SSHConfig: b.config.Comm.SSHConfigFunc(),
},
&commonsteps.StepProvision{},
&commonsteps.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
&stepShutdownServer{},
&stepCreateSnapshot{},
}
// Run the steps
b.runner = commonsteps.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 _, 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,
StateData: map[string]interface{}{"generated_data": state.Get("generated_data")},
}
return artifact, nil
}
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