Merge pull request #5475 from ChrisLundquist/lxd-publish-properties

[Lxd] publish properties

builder/lxd/config.go

@@ -12,10 +12,11 @@ import (
 
 type Config struct {
 	common.PackerConfig `mapstructure:",squash"`
-	OutputImage         string `mapstructure:"output_image"`
-	ContainerName       string `mapstructure:"container_name"`
-	CommandWrapper      string `mapstructure:"command_wrapper"`
-	Image               string `mapstructure:"image"`
+	OutputImage         string            `mapstructure:"output_image"`
+	ContainerName       string            `mapstructure:"container_name"`
+	CommandWrapper      string            `mapstructure:"command_wrapper"`
+	Image               string            `mapstructure:"image"`
+	PublishProperties   map[string]string `mapstructure:"publish_properties"`
 	InitTimeout         time.Duration
 
 	ctx interpolate.Context

builder/lxd/step_publish.go

@@ -32,6 +32,10 @@ func (s *stepPublish) Run(state multistep.StateBag) multistep.StepAction {
 		"publish", name, "--alias", config.OutputImage,
 	}
 
+	for k, v := range config.PublishProperties {
+		publish_args = append(publish_args, fmt.Sprintf("%s=%s", k, v))
+	}
+
 	ui.Say("Publishing container...")
 	stdoutString, err := LXDCommand(publish_args...)
 	if err != nil {

website/source/docs/builders/lxd.html.md

@@ -31,11 +31,15 @@ Below is a fully functioning example.
       "name": "lxd-xenial",
       "image": "ubuntu-daily:xenial",
       "output_image": "ubuntu-xenial"
+      "publish_properties": {
+        "description": "Trivial repackage with Packer"
+      }
     }
   ]
 }
 ```
 
+
 ## Configuration Reference
 
 ### Required:
@@ -56,5 +60,11 @@ Below is a fully functioning example.
 -  `output_image` (string) - The name of the output artifact. Defaults to
    `name`.
 
--  `command_wrapper` (string) - lets you prefix all builder commands, such as
+-  `command_wrapper` (string) - Lets you prefix all builder commands, such as
    with `ssh` for a remote build host. Defaults to `""`.
+
+- `publish_properties` (map[string]string) - Pass key values to the publish
+   step to be set as properties on the output image. This is most helpful to
+   set the description, but can be used to set anything needed.
+   See https://stgraber.org/2016/03/30/lxd-2-0-image-management-512/
+   for more properties.