120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
package digitalocean
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import (
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"errors"
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"fmt"
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"os"
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"time"
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"github.com/mitchellh/mapstructure"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/common/uuid"
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"github.com/mitchellh/packer/helper/communicator"
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"github.com/mitchellh/packer/helper/config"
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"github.com/mitchellh/packer/packer"
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"github.com/mitchellh/packer/template/interpolate"
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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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Comm communicator.Config `mapstructure:",squash"`
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APIToken string `mapstructure:"api_token"`
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Region string `mapstructure:"region"`
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Size string `mapstructure:"size"`
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Image string `mapstructure:"image"`
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PrivateNetworking bool `mapstructure:"private_networking"`
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SnapshotName string `mapstructure:"snapshot_name"`
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StateTimeout time.Duration `mapstructure:"state_timeout"`
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DropletName string `mapstructure:"droplet_name"`
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UserData string `mapstructure:"user_data"`
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ctx interpolate.Context
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}
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func NewConfig(raws ...interface{}) (*Config, []string, error) {
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c := new(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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InterpolateContext: &c.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"run_command",
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},
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},
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}, raws...)
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if err != nil {
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return nil, nil, err
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}
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// Defaults
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if c.APIToken == "" {
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// Default to environment variable for api_token, if it exists
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c.APIToken = os.Getenv("DIGITALOCEAN_API_TOKEN")
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}
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if c.SnapshotName == "" {
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def, err := interpolate.Render("packer-{{timestamp}}", nil)
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if err != nil {
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panic(err)
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}
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// Default to packer-{{ unix timestamp (utc) }}
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c.SnapshotName = def
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}
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if c.DropletName == "" {
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// Default to packer-[time-ordered-uuid]
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c.DropletName = fmt.Sprintf("packer-%s", uuid.TimeOrderedUUID())
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}
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if c.Comm.SSHUsername == "" {
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// Default to "root". You can override this if your
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// SourceImage has a different user account then the DO default
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c.Comm.SSHUsername = "root"
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}
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if c.StateTimeout == 0 {
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// Default to 6 minute timeouts waiting for
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// desired state. i.e waiting for droplet to become active
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c.StateTimeout = 6 * time.Minute
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}
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var errs *packer.MultiError
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if es := c.Comm.Prepare(&c.ctx); len(es) > 0 {
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errs = packer.MultiErrorAppend(errs, es...)
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}
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if c.APIToken == "" {
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// Required configurations that will display errors if not set
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errs = packer.MultiErrorAppend(
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errs, errors.New("api_token for auth must be specified"))
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}
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if c.Region == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("region is required"))
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}
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if c.Size == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("size is required"))
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}
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if c.Image == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("image is required"))
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}
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if errs != nil && len(errs.Errors) > 0 {
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return nil, nil, errs
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}
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common.ScrubConfig(c, c.APIToken)
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return c, nil, nil
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}
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