packer-cn/builder/azure/arm/artifact.go

113 lines
3.1 KiB
Go

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See the LICENSE file in builder/azure for license information.
package arm
import (
"bytes"
"fmt"
"net/url"
"path"
"strings"
)
const (
BuilderId = "Azure.ResourceManagement.VMImage"
)
type Artifact struct {
StorageAccountLocation string
OSDiskUri string
TemplateUri string
OSDiskUriReadOnlySas string
TemplateUriReadOnlySas string
}
func NewArtifact(template *CaptureTemplate, getSasUrl func(name string) string) (*Artifact, error) {
if template == nil {
return nil, fmt.Errorf("nil capture template")
}
if len(template.Resources) != 1 {
return nil, fmt.Errorf("malformed capture template, expected one resource")
}
vhdUri, err := url.Parse(template.Resources[0].Properties.StorageProfile.OSDisk.Image.Uri)
if err != nil {
return nil, err
}
templateUri, err := storageUriToTemplateUri(vhdUri)
if err != nil {
return nil, err
}
return &Artifact{
OSDiskUri: vhdUri.String(),
OSDiskUriReadOnlySas: getSasUrl(getStorageUrlPath(vhdUri)),
TemplateUri: templateUri.String(),
TemplateUriReadOnlySas: getSasUrl(getStorageUrlPath(templateUri)),
StorageAccountLocation: template.Resources[0].Location,
}, nil
}
func getStorageUrlPath(u *url.URL) string {
parts := strings.Split(u.Path, "/")
return strings.Join(parts[3:], "/")
}
func storageUriToTemplateUri(su *url.URL) (*url.URL, error) {
// packer-osDisk.4085bb15-3644-4641-b9cd-f575918640b4.vhd -> 4085bb15-3644-4641-b9cd-f575918640b4
filename := path.Base(su.Path)
parts := strings.Split(filename, ".")
if len(parts) < 3 {
return nil, fmt.Errorf("malformed URL")
}
// packer-osDisk.4085bb15-3644-4641-b9cd-f575918640b4.vhd -> packer
prefixParts := strings.Split(parts[0], "-")
prefix := strings.Join(prefixParts[:len(prefixParts)-1], "-")
templateFilename := fmt.Sprintf("%s-vmTemplate.%s.json", prefix, parts[1])
// https://storage.blob.core.windows.net/system/Microsoft.Compute/Images/images/packer-osDisk.4085bb15-3644-4641-b9cd-f575918640b4.vhd"
// ->
// https://storage.blob.core.windows.net/system/Microsoft.Compute/Images/images/packer-vmTemplate.4085bb15-3644-4641-b9cd-f575918640b4.json"
return url.Parse(strings.Replace(su.String(), filename, templateFilename, 1))
}
func (*Artifact) BuilderId() string {
return BuilderId
}
func (*Artifact) Files() []string {
return []string{}
}
func (*Artifact) Id() string {
return ""
}
func (*Artifact) State(name string) interface{} {
return nil
}
func (a *Artifact) String() string {
var buf bytes.Buffer
buf.WriteString(fmt.Sprintf("%s:\n\n", a.BuilderId()))
buf.WriteString(fmt.Sprintf("StorageAccountLocation: %s\n", a.StorageAccountLocation))
buf.WriteString(fmt.Sprintf("OSDiskUri: %s\n", a.OSDiskUri))
buf.WriteString(fmt.Sprintf("OSDiskUriReadOnlySas: %s\n", a.OSDiskUriReadOnlySas))
buf.WriteString(fmt.Sprintf("TemplateUri: %s\n", a.TemplateUri))
buf.WriteString(fmt.Sprintf("TemplateUriReadOnlySas: %s\n", a.TemplateUriReadOnlySas))
return buf.String()
}
func (*Artifact) Destroy() error {
return nil
}