added ssl_verify_mode parameter to chef-client provisioner

provisioner/chef-client/provisioner.go

@@ -22,6 +22,7 @@ type Config struct {
 	common.PackerConfig `mapstructure:",squash"`
 
 	ChefEnvironment      string `mapstructure:"chef_environment"`
+	SslVerifyMode        string `mapstructure:"ssl_verify_mode"`
 	ConfigTemplate       string `mapstructure:"config_template"`
 	ExecuteCommand       string `mapstructure:"execute_command"`
 	InstallCommand       string `mapstructure:"install_command"`
@@ -50,6 +51,7 @@ type ConfigTemplate struct {
 	ValidationKeyPath    string
 	ValidationClientName string
 	ChefEnvironment      string
+	SslVerifyMode        string
 }
 
 type ExecuteTemplate struct {
@@ -79,6 +81,7 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
 
 	templates := map[string]*string{
 		"chef_environment":       &p.config.ChefEnvironment,
+		"ssl_verify_mode":        &p.config.SslVerifyMode,
 		"config_template":        &p.config.ConfigTemplate,
 		"node_name":              &p.config.NodeName,
 		"staging_dir":            &p.config.StagingDir,
@@ -214,7 +217,7 @@ func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
 	}
 
 	configPath, err := p.createConfig(
-		ui, comm, nodeName, serverUrl, remoteValidationKeyPath, p.config.ValidationClientName, p.config.ChefEnvironment)
+		ui, comm, nodeName, serverUrl, remoteValidationKeyPath, p.config.ValidationClientName, p.config.ChefEnvironment, p.config.SslVerifyMode)
 	if err != nil {
 		return fmt.Errorf("Error creating Chef config file: %s", err)
 	}
@@ -268,7 +271,7 @@ func (p *Provisioner) uploadDirectory(ui packer.Ui, comm packer.Communicator, ds
 	return comm.UploadDir(dst, src, nil)
 }
 
-func (p *Provisioner) createConfig(ui packer.Ui, comm packer.Communicator, nodeName string, serverUrl string, remoteKeyPath string, validationClientName string, chefEnvironment string) (string, error) {
+func (p *Provisioner) createConfig(ui packer.Ui, comm packer.Communicator, nodeName string, serverUrl string, remoteKeyPath string, validationClientName string, chefEnvironment string, sslVerifyMode string) (string, error) {
 	ui.Message("Creating configuration file 'client.rb'")
 
 	// Read the template
@@ -294,6 +297,7 @@ func (p *Provisioner) createConfig(ui packer.Ui, comm packer.Communicator, nodeN
 		ValidationKeyPath:    remoteKeyPath,
 		ValidationClientName: validationClientName,
 		ChefEnvironment:      chefEnvironment,
+		SslVerifyMode:        sslVerifyMode,
 	})
 	if err != nil {
 		return "", err
@@ -574,4 +578,7 @@ node_name "{{.NodeName}}"
 {{if ne .ChefEnvironment ""}}
 environment "{{.ChefEnvironment}}"
 {{end}}
+{{if ne .SslVerifyMode ""}}
+ssl_verify_mode :{{.SslVerifyMode}}
+{{end}}
 `