90 lines
2.9 KiB
Go
90 lines
2.9 KiB
Go
package lxd
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import (
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"fmt"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/helper/config"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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"github.com/mitchellh/mapstructure"
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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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// The name of the output artifact. Defaults to
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// name.
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OutputImage string `mapstructure:"output_image" required:"false"`
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ContainerName string `mapstructure:"container_name"`
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// Lets you prefix all builder commands, such as
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// with ssh for a remote build host. Defaults to "".
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CommandWrapper string `mapstructure:"command_wrapper" required:"false"`
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// The source image to use when creating the build
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// container. This can be a (local or remote) image (name or fingerprint).
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// E.G. my-base-image, ubuntu-daily:x, 08fababf6f27, ...
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Image string `mapstructure:"image" required:"true"`
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Profile string `mapstructure:"profile"`
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// The number of seconds to sleep between launching
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// the LXD instance and provisioning it; defaults to 3 seconds.
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InitSleep string `mapstructure:"init_sleep" required:"false"`
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// Pass key values to the publish
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// step to be set as properties on the output image. This is most helpful to
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// set the description, but can be used to set anything needed. See
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// https://stgraber.org/2016/03/30/lxd-2-0-image-management-512/
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// for more properties.
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PublishProperties map[string]string `mapstructure:"publish_properties" required:"false"`
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// List of key/value pairs you wish to
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// pass to lxc launch via --config. Defaults to empty.
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LaunchConfig map[string]string `mapstructure:"launch_config" required:"false"`
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ctx interpolate.Context
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}
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func NewConfig(raws ...interface{}) (*Config, error) {
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var c Config
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var md mapstructure.Metadata
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err := config.Decode(&c, &config.DecodeOpts{
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Metadata: &md,
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Interpolate: true,
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}, raws...)
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if err != nil {
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return nil, err
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}
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// Accumulate any errors
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var errs *packer.MultiError
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if c.ContainerName == "" {
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c.ContainerName = fmt.Sprintf("packer-%s", c.PackerBuildName)
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}
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if c.OutputImage == "" {
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c.OutputImage = c.ContainerName
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}
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if c.CommandWrapper == "" {
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c.CommandWrapper = "{{.Command}}"
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}
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if c.Image == "" {
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errs = packer.MultiErrorAppend(errs, fmt.Errorf("`image` is a required parameter for LXD. Please specify an image by alias or fingerprint. e.g. `ubuntu-daily:x`"))
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}
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if c.Profile == "" {
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c.Profile = "default"
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}
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// Sadly we have to wait a few seconds for /tmp to be intialized and networking
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// to finish starting. There isn't a great cross platform to check when things are ready.
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if c.InitSleep == "" {
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c.InitSleep = "3"
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}
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if errs != nil && len(errs.Errors) > 0 {
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return nil, errs
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}
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return &c, nil
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}
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