119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
package vagrant
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import (
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"fmt"
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"github.com/mitchellh/mapstructure"
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"github.com/mitchellh/packer/packer"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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)
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type AWSBoxConfig struct {
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OutputPath string `mapstructure:"output"`
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VagrantfileTemplate string `mapstructure:"vagrantfile_template"`
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PackerBuildName string `mapstructure:"packer_build_name"`
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}
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type AWSVagrantfileTemplate struct {
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Images map[string]string
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}
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type AWSBoxPostProcessor struct {
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config AWSBoxConfig
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}
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func (p *AWSBoxPostProcessor) Configure(raws ...interface{}) error {
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for _, raw := range raws {
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err := mapstructure.Decode(raw, &p.config)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (p *AWSBoxPostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (packer.Artifact, bool, error) {
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// Determine the regions...
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tplData := &AWSVagrantfileTemplate{
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Images: make(map[string]string),
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}
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for _, regions := range strings.Split(artifact.Id(), ",") {
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parts := strings.Split(regions, ":")
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if len(parts) != 2 {
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return nil, false, fmt.Errorf("Poorly formatted artifact ID: %s", artifact.Id())
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}
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tplData.Images[parts[0]] = parts[1]
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}
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// Compile the output path
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outputPath, err := ProcessOutputPath(p.config.OutputPath,
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p.config.PackerBuildName, "aws", artifact)
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if err != nil {
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return nil, false, err
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}
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// Create a temporary directory for us to build the contents of the box in
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dir, err := ioutil.TempDir("", "packer")
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if err != nil {
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return nil, false, err
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}
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defer os.RemoveAll(dir)
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// Create the Vagrantfile from the template
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vf, err := os.Create(filepath.Join(dir, "Vagrantfile"))
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if err != nil {
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return nil, false, err
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}
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defer vf.Close()
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vagrantfileContents := defaultAWSVagrantfile
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if p.config.VagrantfileTemplate != "" {
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f, err := os.Open(p.config.VagrantfileTemplate)
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if err != nil {
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return nil, false, err
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}
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defer f.Close()
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contents, err := ioutil.ReadAll(f)
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if err != nil {
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return nil, false, err
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}
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vagrantfileContents = string(contents)
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}
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t := template.Must(template.New("vagrantfile").Parse(vagrantfileContents))
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t.Execute(vf, tplData)
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vf.Close()
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// Create the metadata
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metadata := map[string]string{"provider": "aws"}
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if err := WriteMetadata(dir, metadata); err != nil {
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return nil, false, err
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}
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// Compress the directory to the given output path
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if err := DirToBox(outputPath, dir); err != nil {
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return nil, false, err
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}
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return NewArtifact("aws", outputPath), true, nil
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}
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var defaultAWSVagrantfile = `
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Vagrant.configure("2") do |config|
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config.vm.provider "aws" do |aws|
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{{ range $region, $ami := .Images }}
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aws.region_config "{{ $region }}", ami: "{{ $ami }}"
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{{ end }}
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end
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end
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`
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