111 lines
2.2 KiB
Go
111 lines
2.2 KiB
Go
package docker
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import (
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"fmt"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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Commit bool
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ExportPath string `mapstructure:"export_path"`
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Image string
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Pull bool
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RunCommand []string `mapstructure:"run_command"`
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Volumes map[string]string
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Login bool
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LoginEmail string `mapstructure:"login_email"`
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LoginUsername string `mapstructure:"login_username"`
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LoginPassword string `mapstructure:"login_password"`
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LoginServer string `mapstructure:"login_server"`
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tpl *packer.ConfigTemplate
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}
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func NewConfig(raws ...interface{}) (*Config, []string, error) {
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c := new(Config)
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md, err := common.DecodeConfig(c, raws...)
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if err != nil {
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return nil, nil, err
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}
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c.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return nil, nil, err
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}
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c.tpl.UserVars = c.PackerUserVars
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// Defaults
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if len(c.RunCommand) == 0 {
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c.RunCommand = []string{
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"-d", "-i", "-t",
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"{{.Image}}",
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"/bin/bash",
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}
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}
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// Default Pull if it wasn't set
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hasPull := false
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for _, k := range md.Keys {
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if k == "Pull" {
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hasPull = true
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break
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}
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}
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if !hasPull {
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c.Pull = true
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}
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errs := common.CheckUnusedConfig(md)
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templates := map[string]*string{
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"export_path": &c.ExportPath,
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"image": &c.Image,
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"login_email": &c.LoginEmail,
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"login_username": &c.LoginUsername,
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"login_password": &c.LoginPassword,
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"login_server": &c.LoginServer,
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}
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for n, ptr := range templates {
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var err error
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*ptr, err = c.tpl.Process(*ptr, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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for k, v := range c.Volumes {
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var err error
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v, err = c.tpl.Process(v, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing volumes[%s]: %s", k, err))
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}
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c.Volumes[k] = v
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}
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if c.Image == "" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("image must be specified"))
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}
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if c.ExportPath != "" && c.Commit {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("both commit and export_path cannot be set"))
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}
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if errs != nil && len(errs.Errors) > 0 {
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return nil, nil, errs
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}
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return c, nil, nil
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}
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