2013-09-29 16:38:37 -04:00
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package ansiblelocal
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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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"os"
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"path/filepath"
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2014-01-22 07:40:06 -05:00
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"strings"
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2013-09-29 16:38:37 -04:00
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)
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2013-09-29 18:42:42 -04:00
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const DefaultStagingDir = "/tmp/packer-provisioner-ansible-local"
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2013-09-29 16:38:37 -04:00
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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tpl *packer.ConfigTemplate
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2014-02-21 18:27:39 -05:00
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// The command to run ansible
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Command string
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// Extra options to pass to the ansible command
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ExtraArguments []string `mapstructure:"extra_arguments"`
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// Path to group_vars directory
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GroupVars string `mapstructure:"group_vars"`
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// Path to host_vars directory
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HostVars string `mapstructure:"host_vars"`
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2013-09-29 16:38:37 -04:00
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// The main playbook file to execute.
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PlaybookFile string `mapstructure:"playbook_file"`
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// An array of local paths of playbook files to upload.
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PlaybookPaths []string `mapstructure:"playbook_paths"`
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// An array of local paths of roles to upload.
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RolePaths []string `mapstructure:"role_paths"`
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// The directory where files will be uploaded. Packer requires write
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// permissions in this directory.
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StagingDir string `mapstructure:"staging_directory"`
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2014-04-04 14:19:55 -04:00
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// The optional inventory file
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InventoryFile string `mapstructure:"inventory_file"`
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2013-09-29 16:38:37 -04:00
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}
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type Provisioner struct {
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config Config
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}
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func (p *Provisioner) Prepare(raws ...interface{}) error {
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md, err := common.DecodeConfig(&p.config, raws...)
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if err != nil {
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return err
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}
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p.config.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return err
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}
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p.config.tpl.UserVars = p.config.PackerUserVars
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// Accumulate any errors
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errs := common.CheckUnusedConfig(md)
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2014-01-22 07:40:06 -05:00
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// Defaults
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if p.config.Command == "" {
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p.config.Command = "ansible-playbook"
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}
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2014-02-21 18:27:39 -05:00
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if p.config.StagingDir == "" {
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p.config.StagingDir = DefaultStagingDir
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}
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2013-09-29 16:38:37 -04:00
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// Templates
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templates := map[string]*string{
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"command": &p.config.Command,
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"group_vars": &p.config.GroupVars,
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"host_vars": &p.config.HostVars,
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"playbook_file": &p.config.PlaybookFile,
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"staging_dir": &p.config.StagingDir,
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"inventory_file": &p.config.InventoryFile,
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2013-09-29 16:38:37 -04:00
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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 = p.config.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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2013-12-27 10:28:50 -05:00
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sliceTemplates := map[string][]string{
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"extra_arguments": p.config.ExtraArguments,
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"playbook_paths": p.config.PlaybookPaths,
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"role_paths": p.config.RolePaths,
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2013-12-27 10:28:50 -05:00
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}
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for n, slice := range sliceTemplates {
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for i, elem := range slice {
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var err error
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slice[i], err = p.config.tpl.Process(elem, 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[%d]: %s", n, i, err))
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}
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}
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}
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2013-09-29 16:38:37 -04:00
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// Validation
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err = validateFileConfig(p.config.PlaybookFile, "playbook_file", true)
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if err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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2014-01-18 21:48:12 -05:00
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2014-04-04 14:19:55 -04:00
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// Check that the inventory file exists, if configured
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if len(p.config.InventoryFile) > 0 {
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err = validateFileConfig(p.config.InventoryFile, "inventory_file", true)
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if err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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}
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2014-01-18 21:48:12 -05:00
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// Check that the group_vars directory exists, if configured
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if len(p.config.GroupVars) > 0 {
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if err := validateDirConfig(p.config.GroupVars, "group_vars"); err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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}
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// Check that the host_vars directory exists, if configured
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if len(p.config.HostVars) > 0 {
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if err := validateDirConfig(p.config.HostVars, "host_vars"); err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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}
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2014-02-21 18:27:39 -05:00
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for _, path := range p.config.PlaybookPaths {
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err := validateDirConfig(path, "playbook_paths")
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if err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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}
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for _, path := range p.config.RolePaths {
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if err := validateDirConfig(path, "role_paths"); err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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}
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2013-09-29 16:38:37 -04:00
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if errs != nil && len(errs.Errors) > 0 {
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return errs
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}
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return nil
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}
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func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
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ui.Say("Provisioning with Ansible...")
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ui.Message("Creating Ansible staging directory...")
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if err := p.createDir(ui, comm, p.config.StagingDir); err != nil {
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return fmt.Errorf("Error creating staging directory: %s", err)
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}
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ui.Message("Uploading main Playbook file...")
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src := p.config.PlaybookFile
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2014-03-18 14:11:34 -04:00
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dst := filepath.ToSlash(filepath.Join(p.config.StagingDir, filepath.Base(src)))
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2013-09-29 16:38:37 -04:00
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if err := p.uploadFile(ui, comm, dst, src); err != nil {
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return fmt.Errorf("Error uploading main playbook: %s", err)
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}
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2014-04-04 14:19:55 -04:00
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if len(p.config.InventoryFile) > 0 {
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ui.Message("Uploading inventory file...")
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src := p.config.InventoryFile
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dst := filepath.Join(p.config.StagingDir, filepath.Base(src))
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if err := p.uploadFile(ui, comm, dst, src); err != nil {
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return fmt.Errorf("Error uploading inventory file: %s", err)
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}
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}
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2014-01-18 21:48:12 -05:00
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if len(p.config.GroupVars) > 0 {
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ui.Message("Uploading group_vars directory...")
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src := p.config.GroupVars
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2014-03-18 14:11:34 -04:00
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dst := filepath.ToSlash(filepath.Join(p.config.StagingDir, "group_vars"))
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2014-01-18 21:48:12 -05:00
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if err := p.uploadDir(ui, comm, dst, src); err != nil {
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return fmt.Errorf("Error uploading group_vars directory: %s", err)
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}
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}
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if len(p.config.HostVars) > 0 {
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ui.Message("Uploading host_vars directory...")
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src := p.config.HostVars
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2014-03-18 14:11:34 -04:00
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dst := filepath.ToSlash(filepath.Join(p.config.StagingDir, "host_vars"))
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2014-01-18 21:48:12 -05:00
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if err := p.uploadDir(ui, comm, dst, src); err != nil {
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return fmt.Errorf("Error uploading host_vars directory: %s", err)
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}
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}
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2013-09-29 16:38:37 -04:00
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if len(p.config.RolePaths) > 0 {
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ui.Message("Uploading role directories...")
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for _, src := range p.config.RolePaths {
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2014-03-18 14:11:34 -04:00
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dst := filepath.ToSlash(filepath.Join(p.config.StagingDir, "roles", filepath.Base(src)))
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2013-09-29 16:38:37 -04:00
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if err := p.uploadDir(ui, comm, dst, src); err != nil {
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return fmt.Errorf("Error uploading roles: %s", err)
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}
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}
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}
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if len(p.config.PlaybookPaths) > 0 {
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ui.Message("Uploading additional Playbooks...")
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2014-03-18 14:11:34 -04:00
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playbookDir := filepath.ToSlash(filepath.Join(p.config.StagingDir, "playbooks"))
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if err := p.createDir(ui, comm, playbookDir); err != nil {
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2013-09-29 16:38:37 -04:00
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return fmt.Errorf("Error creating playbooks directory: %s", err)
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}
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for _, src := range p.config.PlaybookPaths {
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2014-03-18 14:11:34 -04:00
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dst := filepath.ToSlash(filepath.Join(playbookDir, filepath.Base(src)))
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2014-01-17 19:49:17 -05:00
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if err := p.uploadDir(ui, comm, dst, src); err != nil {
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2013-09-29 16:38:37 -04:00
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return fmt.Errorf("Error uploading playbooks: %s", err)
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}
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}
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}
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if err := p.executeAnsible(ui, comm); err != nil {
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return fmt.Errorf("Error executing Ansible: %s", err)
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}
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return nil
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}
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func (p *Provisioner) Cancel() {
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// Just hard quit. It isn't a big deal if what we're doing keeps
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// running on the other side.
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os.Exit(0)
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}
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func (p *Provisioner) executeAnsible(ui packer.Ui, comm packer.Communicator) error {
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2014-03-18 14:11:34 -04:00
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playbook := filepath.ToSlash(filepath.Join(p.config.StagingDir, filepath.Base(p.config.PlaybookFile)))
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2013-09-29 16:38:37 -04:00
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// The inventory must be set to "127.0.0.1,". The comma is important
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// as its the only way to override the ansible inventory when dealing
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// with a single host.
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2014-04-04 14:19:55 -04:00
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inventory := "\"127.0.0.1,\""
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if len(p.config.InventoryFile) > 0 {
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inventory = filepath.Join(p.config.StagingDir, filepath.Base(p.config.InventoryFile))
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}
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2014-02-21 18:27:39 -05:00
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extraArgs := ""
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2014-01-22 07:40:06 -05:00
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if len(p.config.ExtraArguments) > 0 {
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2014-02-21 18:27:39 -05:00
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extraArgs = " " + strings.Join(p.config.ExtraArguments, " ")
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}
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2013-09-29 16:38:37 -04:00
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2014-04-21 10:57:24 -04:00
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command := fmt.Sprintf("cd %s && %s %s%s -c local -i %s",
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p.config.StagingDir, p.config.Command, playbook, extraArgs, inventory)
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2013-09-29 16:38:37 -04:00
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ui.Message(fmt.Sprintf("Executing Ansible: %s", command))
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cmd := &packer.RemoteCmd{
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Command: command,
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}
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if err := cmd.StartWithUi(comm, ui); err != nil {
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return err
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}
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if cmd.ExitStatus != 0 {
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2014-02-21 23:29:56 -05:00
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if cmd.ExitStatus == 127 {
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2014-02-24 11:26:51 -05:00
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return fmt.Errorf("%s could not be found. Verify that it is available on the\n"+
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2014-02-21 23:29:56 -05:00
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"PATH after connecting to the machine.",
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p.config.Command)
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}
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2013-09-29 16:38:37 -04:00
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return fmt.Errorf("Non-zero exit status: %d", cmd.ExitStatus)
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}
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return nil
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}
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func validateDirConfig(path string, config string) error {
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info, err := os.Stat(path)
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if err != nil {
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return fmt.Errorf("%s: %s is invalid: %s", config, path, err)
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} else if !info.IsDir() {
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return fmt.Errorf("%s: %s must point to a directory", config, path)
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}
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return nil
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}
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func validateFileConfig(name string, config string, req bool) error {
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if req {
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if name == "" {
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return fmt.Errorf("%s must be specified.", config)
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}
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}
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info, err := os.Stat(name)
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if err != nil {
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return fmt.Errorf("%s: %s is invalid: %s", config, name, err)
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} else if info.IsDir() {
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return fmt.Errorf("%s: %s must point to a file", config, name)
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}
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return nil
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}
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func (p *Provisioner) uploadFile(ui packer.Ui, comm packer.Communicator, dst, src string) error {
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f, err := os.Open(src)
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if err != nil {
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return fmt.Errorf("Error opening: %s", err)
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}
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defer f.Close()
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if err = comm.Upload(dst, f); err != nil {
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return fmt.Errorf("Error uploading %s: %s", src, err)
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}
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return nil
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}
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func (p *Provisioner) createDir(ui packer.Ui, comm packer.Communicator, dir string) error {
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ui.Message(fmt.Sprintf("Creating directory: %s", dir))
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cmd := &packer.RemoteCmd{
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Command: fmt.Sprintf("mkdir -p '%s'", dir),
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}
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if err := cmd.StartWithUi(comm, ui); err != nil {
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return err
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}
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if cmd.ExitStatus != 0 {
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return fmt.Errorf("Non-zero exit status.")
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}
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return nil
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}
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func (p *Provisioner) uploadDir(ui packer.Ui, comm packer.Communicator, dst, src string) error {
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if err := p.createDir(ui, comm, dst); err != nil {
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return err
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}
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// Make sure there is a trailing "/" so that the directory isn't
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// created on the other side.
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if src[len(src)-1] != '/' {
|
|
|
|
src = src + "/"
|
|
|
|
}
|
|
|
|
return comm.UploadDir(dst, src, nil)
|
|
|
|
}
|