builder/common: common config struct for Packer configs

builder/amazon/ebs/builder.go

@@ -22,6 +22,7 @@ import (
 const BuilderId = "mitchellh.amazonebs"
 
 type config struct {
+	common.PackerConfig    `mapstructure:",squash"`
 	awscommon.AccessConfig `mapstructure:",squash"`
 	VpcId           string `mapstructure:"vpc_id"`
 	SubnetId        string `mapstructure:"subnet_id"`
@@ -29,8 +30,6 @@ type config struct {
 
 	// Configuration of the resulting AMI
 	AMIName string `mapstructure:"ami_name"`
-
-	PackerDebug bool `mapstructure:"packer_debug"`
 }
 
 type Builder struct {

builder/common/packer_config.go

@@ -0,0 +1,10 @@
+package common
+
+// PackerConfig is a struct that contains the configuration keys that
+// are sent by packer, properly tagged already so mapstructure can load
+// them. Embed this structure into your configuration class to get it.
+type PackerConfig struct {
+	PackerBuildName string `mapstructure:"packer_build_name"`
+	PackerDebug     bool   `mapstructure:"packer_debug"`
+	PackerForce     bool   `mapstructure:"packer_force"`
+}

builder/digitalocean/builder.go

@@ -28,6 +28,8 @@ type snapshotNameData struct {
 // to use while communicating with DO and describes the image
 // you are creating
 type config struct {
+	common.PackerConfig `mapstructure:",squash"`
+
 	ClientID string `mapstructure:"client_id"`
 	APIKey   string `mapstructure:"api_key"`
 	RegionID uint   `mapstructure:"region_id"`
@@ -38,8 +40,6 @@ type config struct {
 	SSHUsername  string `mapstructure:"ssh_username"`
 	SSHPort      uint   `mapstructure:"ssh_port"`
 
-	PackerDebug bool `mapstructure:"packer_debug"`
-
 	RawSnapshotName string `mapstructure:"snapshot_name"`
 	RawSSHTimeout   string `mapstructure:"ssh_timeout"`
 	RawEventDelay   string `mapstructure:"event_delay"`

builder/virtualbox/builder.go

@@ -24,6 +24,8 @@ type Builder struct {
 }
 
 type config struct {
+	common.PackerConfig `mapstructure:",squash"`
+
 	BootCommand          []string   `mapstructure:"boot_command"`
 	DiskSize             uint       `mapstructure:"disk_size"`
 	FloppyFiles          []string   `mapstructure:"floppy_files"`
@@ -49,10 +51,6 @@ type config struct {
 	VBoxManage           [][]string `mapstructure:"vboxmanage"`
 	VMName               string     `mapstructure:"vm_name"`
 
-	PackerBuildName string `mapstructure:"packer_build_name"`
-	PackerDebug     bool   `mapstructure:"packer_debug"`
-	PackerForce     bool   `mapstructure:"packer_force"`
-
 	RawBootWait        string `mapstructure:"boot_wait"`
 	RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
 	RawSSHWaitTimeout  string `mapstructure:"ssh_wait_timeout"`

builder/vmware/builder.go

@@ -25,6 +25,8 @@ type Builder struct {
 }
 
 type config struct {
+	common.PackerConfig `mapstructure:",squash"`
+
 	DiskName          string            `mapstructure:"vmdk_name"`
 	DiskSize          uint              `mapstructure:"disk_size"`
 	FloppyFiles       []string          `mapstructure:"floppy_files"`
@@ -50,10 +52,6 @@ type config struct {
 	VNCPortMin        uint              `mapstructure:"vnc_port_min"`
 	VNCPortMax        uint              `mapstructure:"vnc_port_max"`
 
-	PackerBuildName string `mapstructure:"packer_build_name"`
-	PackerDebug     bool   `mapstructure:"packer_debug"`
-	PackerForce     bool   `mapstructure:"packer_force"`
-
 	RawBootWait        string `mapstructure:"boot_wait"`
 	RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
 	RawSSHWaitTimeout  string `mapstructure:"ssh_wait_timeout"`