package googlecompute import ( "errors" "fmt" "time" "github.com/mitchellh/packer/common" "github.com/mitchellh/packer/common/uuid" "github.com/mitchellh/packer/helper/communicator" "github.com/mitchellh/packer/helper/config" "github.com/mitchellh/packer/packer" "github.com/mitchellh/packer/template/interpolate" ) // Config is the configuration structure for the GCE builder. It stores // both the publicly settable state as well as the privately generated // state of the config object. type Config struct { common.PackerConfig `mapstructure:",squash"` Comm communicator.Config `mapstructure:",squash"` AccountFile string `mapstructure:"account_file"` ProjectId string `mapstructure:"project_id"` DiskName string `mapstructure:"disk_name"` DiskSizeGb int64 `mapstructure:"disk_size"` ImageName string `mapstructure:"image_name"` ImageDescription string `mapstructure:"image_description"` InstanceName string `mapstructure:"instance_name"` MachineType string `mapstructure:"machine_type"` Metadata map[string]string `mapstructure:"metadata"` Network string `mapstructure:"network"` SourceImage string `mapstructure:"source_image"` SourceImageProjectId string `mapstructure:"source_image_project_id"` RawStateTimeout string `mapstructure:"state_timeout"` Tags []string `mapstructure:"tags"` UseInternalIP bool `mapstructure:"use_internal_ip"` Zone string `mapstructure:"zone"` account accountFile privateKeyBytes []byte stateTimeout time.Duration ctx interpolate.Context } func NewConfig(raws ...interface{}) (*Config, []string, error) { c := new(Config) err := config.Decode(c, &config.DecodeOpts{ Interpolate: true, InterpolateContext: &c.ctx, InterpolateFilter: &interpolate.RenderFilter{ Exclude: []string{ "run_command", }, }, }, raws...) if err != nil { return nil, nil, err } // Set defaults. if c.Network == "" { c.Network = "default" } if c.DiskSizeGb == 0 { c.DiskSizeGb = 10 } if c.ImageDescription == "" { c.ImageDescription = "Created by Packer" } if c.ImageName == "" { c.ImageName = "packer-{{timestamp}}" } if c.InstanceName == "" { c.InstanceName = fmt.Sprintf("packer-%s", uuid.TimeOrderedUUID()) } if c.DiskName == "" { c.DiskName = c.InstanceName } if c.MachineType == "" { c.MachineType = "n1-standard-1" } if c.RawStateTimeout == "" { c.RawStateTimeout = "5m" } if c.Comm.SSHUsername == "" { c.Comm.SSHUsername = "root" } var errs *packer.MultiError // Process required parameters. if c.ProjectId == "" { errs = packer.MultiErrorAppend( errs, errors.New("a project_id must be specified")) } if c.SourceImage == "" { errs = packer.MultiErrorAppend( errs, errors.New("a source_image must be specified")) } if c.Zone == "" { errs = packer.MultiErrorAppend( errs, errors.New("a zone must be specified")) } stateTimeout, err := time.ParseDuration(c.RawStateTimeout) if err != nil { errs = packer.MultiErrorAppend( errs, fmt.Errorf("Failed parsing state_timeout: %s", err)) } c.stateTimeout = stateTimeout if c.AccountFile != "" { if err := loadJSON(&c.account, c.AccountFile); err != nil { errs = packer.MultiErrorAppend( errs, fmt.Errorf("Failed parsing account file: %s", err)) } } // Check for any errors. if errs != nil && len(errs.Errors) > 0 { return nil, nil, errs } return c, nil, nil }