github.phpd.cn/hashicorp/packer@v1.3.2/builder/scaleway/config.go (about)

     1  package scaleway
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"os"
     7  
     8  	"github.com/hashicorp/packer/common"
     9  	"github.com/hashicorp/packer/common/uuid"
    10  	"github.com/hashicorp/packer/helper/communicator"
    11  	"github.com/hashicorp/packer/helper/config"
    12  	"github.com/hashicorp/packer/helper/useragent"
    13  	"github.com/hashicorp/packer/packer"
    14  	"github.com/hashicorp/packer/template/interpolate"
    15  	"github.com/mitchellh/mapstructure"
    16  )
    17  
    18  type Config struct {
    19  	common.PackerConfig `mapstructure:",squash"`
    20  	Comm                communicator.Config `mapstructure:",squash"`
    21  
    22  	Token        string `mapstructure:"api_token"`
    23  	Organization string `mapstructure:"api_access_key"`
    24  
    25  	Region         string `mapstructure:"region"`
    26  	Image          string `mapstructure:"image"`
    27  	CommercialType string `mapstructure:"commercial_type"`
    28  
    29  	SnapshotName string `mapstructure:"snapshot_name"`
    30  	ImageName    string `mapstructure:"image_name"`
    31  	ServerName   string `mapstructure:"server_name"`
    32  	Bootscript   string `mapstructure:"bootscript"`
    33  	BootType     string `mapstructure:"boottype"`
    34  
    35  	UserAgent string
    36  	ctx       interpolate.Context
    37  }
    38  
    39  func NewConfig(raws ...interface{}) (*Config, []string, error) {
    40  	c := new(Config)
    41  
    42  	var md mapstructure.Metadata
    43  	err := config.Decode(c, &config.DecodeOpts{
    44  		Metadata:           &md,
    45  		Interpolate:        true,
    46  		InterpolateContext: &c.ctx,
    47  		InterpolateFilter: &interpolate.RenderFilter{
    48  			Exclude: []string{
    49  				"run_command",
    50  			},
    51  		},
    52  	}, raws...)
    53  	if err != nil {
    54  		return nil, nil, err
    55  	}
    56  
    57  	c.UserAgent = useragent.String()
    58  
    59  	if c.Organization == "" {
    60  		c.Organization = os.Getenv("SCALEWAY_API_ACCESS_KEY")
    61  	}
    62  
    63  	if c.Token == "" {
    64  		c.Token = os.Getenv("SCALEWAY_API_TOKEN")
    65  	}
    66  
    67  	if c.SnapshotName == "" {
    68  		def, err := interpolate.Render("snapshot-packer-{{timestamp}}", nil)
    69  		if err != nil {
    70  			panic(err)
    71  		}
    72  
    73  		c.SnapshotName = def
    74  	}
    75  
    76  	if c.ImageName == "" {
    77  		def, err := interpolate.Render("image-packer-{{timestamp}}", nil)
    78  		if err != nil {
    79  			panic(err)
    80  		}
    81  
    82  		c.ImageName = def
    83  	}
    84  
    85  	if c.ServerName == "" {
    86  		// Default to packer-[time-ordered-uuid]
    87  		c.ServerName = fmt.Sprintf("packer-%s", uuid.TimeOrderedUUID())
    88  	}
    89  
    90  	if c.BootType == "" {
    91  		c.BootType = "bootscript"
    92  	}
    93  
    94  	var errs *packer.MultiError
    95  	if es := c.Comm.Prepare(&c.ctx); len(es) > 0 {
    96  		errs = packer.MultiErrorAppend(errs, es...)
    97  	}
    98  	if c.Organization == "" {
    99  		errs = packer.MultiErrorAppend(
   100  			errs, errors.New("Scaleway Organization ID must be specified"))
   101  	}
   102  
   103  	if c.Token == "" {
   104  		errs = packer.MultiErrorAppend(
   105  			errs, errors.New("Scaleway Token must be specified"))
   106  	}
   107  
   108  	if c.Region == "" {
   109  		errs = packer.MultiErrorAppend(
   110  			errs, errors.New("region is required"))
   111  	}
   112  
   113  	if c.CommercialType == "" {
   114  		errs = packer.MultiErrorAppend(
   115  			errs, errors.New("commercial type is required"))
   116  	}
   117  
   118  	if c.Image == "" {
   119  		errs = packer.MultiErrorAppend(
   120  			errs, errors.New("image is required"))
   121  	}
   122  
   123  	if errs != nil && len(errs.Errors) > 0 {
   124  		return nil, nil, errs
   125  	}
   126  
   127  	packer.LogSecretFilter.Set(c.Token)
   128  	return c, nil, nil
   129  }