forked from hashicorp/packer
/
builder.go
121 lines (106 loc) · 3.17 KB
/
builder.go
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package classic
import (
"fmt"
"log"
"os"
"github.com/hashicorp/go-cleanhttp"
"github.com/hashicorp/go-oracle-terraform/compute"
"github.com/hashicorp/go-oracle-terraform/opc"
ocommon "github.com/hashicorp/packer/builder/oracle/common"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
// BuilderId uniquely identifies the builder
const BuilderId = "packer.oracle.classic"
// Builder is a builder implementation that creates Oracle OCI custom images.
type Builder struct {
config *Config
runner multistep.Runner
}
func (b *Builder) Prepare(rawConfig ...interface{}) ([]string, error) {
config, err := NewConfig(rawConfig...)
if err != nil {
return nil, err
}
b.config = config
return nil, nil
}
func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
loggingEnabled := os.Getenv("PACKER_OCI_CLASSIC_LOGGING") != ""
httpClient := cleanhttp.DefaultClient()
config := &opc.Config{
Username: opc.String(b.config.Username),
Password: opc.String(b.config.Password),
IdentityDomain: opc.String(b.config.IdentityDomain),
APIEndpoint: b.config.apiEndpointURL,
LogLevel: opc.LogDebug,
Logger: &Logger{loggingEnabled},
// Logger: # Leave blank to use the default logger, or provide your own
HTTPClient: httpClient,
}
// Create the Compute Client
client, err := compute.NewComputeClient(config)
if err != nil {
return nil, fmt.Errorf("Error creating OPC Compute Client: %s", err)
}
// Populate the state bag
state := new(multistep.BasicStateBag)
state.Put("config", b.config)
state.Put("hook", hook)
state.Put("ui", ui)
state.Put("client", client)
// Build the steps
steps := []multistep.Step{
&ocommon.StepKeyPair{
Debug: b.config.PackerDebug,
Comm: &b.config.Comm,
DebugKeyPath: fmt.Sprintf("oci_classic_%s.pem", b.config.PackerBuildName),
},
&stepCreateIPReservation{},
&stepAddKeysToAPI{},
&stepSecurity{},
&stepCreateInstance{},
&communicator.StepConnect{
Config: &b.config.Comm,
Host: ocommon.CommHost,
SSHConfig: b.config.Comm.SSHConfigFunc(),
},
&common.StepProvision{},
&common.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
&common.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
&stepSnapshot{},
&stepListImages{},
}
// Run the steps
b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
b.runner.Run(state)
// If there was an error, return that
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
// If there is no snapshot, then just return
if _, ok := state.GetOk("snapshot"); !ok {
return nil, nil
}
// Build the artifact and return it
artifact := &Artifact{
ImageListVersion: state.Get("image_list_version").(int),
MachineImageName: state.Get("machine_image_name").(string),
MachineImageFile: state.Get("machine_image_file").(string),
driver: client,
}
return artifact, nil
}
// Cancel terminates a running build.
func (b *Builder) Cancel() {
if b.runner != nil {
log.Println("Cancelling the step runner...")
b.runner.Cancel()
}
}