packer-cn/builder/alicloud/ecs/image_config.go

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package ecs
import (
"fmt"
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"regexp"
"strings"
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"github.com/denverdino/aliyungo/common"
"github.com/hashicorp/packer/template/interpolate"
)
type AlicloudDiskDevice struct {
DiskName string `mapstructure:"disk_name"`
DiskCategory string `mapstructure:"disk_category"`
DiskSize int `mapstructure:"disk_size"`
SnapshotId string `mapstructure:"disk_snapshot_id"`
Description string `mapstructure:"disk_description"`
DeleteWithInstance bool `mapstructure:"disk_delete_with_instance"`
Device string `mapstructure:"disk_device"`
}
type AlicloudDiskDevices struct {
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ECSSystemDiskMapping AlicloudDiskDevice `mapstructure:"system_disk_mapping"`
ECSImagesDiskMappings []AlicloudDiskDevice `mapstructure:"image_disk_mappings"`
}
type AlicloudImageConfig struct {
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AlicloudImageName string `mapstructure:"image_name"`
AlicloudImageVersion string `mapstructure:"image_version"`
AlicloudImageDescription string `mapstructure:"image_description"`
AlicloudImageShareAccounts []string `mapstructure:"image_share_account"`
AlicloudImageUNShareAccounts []string `mapstructure:"image_unshare_account"`
AlicloudImageDestinationRegions []string `mapstructure:"image_copy_regions"`
AlicloudImageDestinationNames []string `mapstructure:"image_copy_names"`
AlicloudImageForceDelete bool `mapstructure:"image_force_delete"`
AlicloudImageForceDeleteSnapshots bool `mapstructure:"image_force_delete_snapshots"`
AlicloudImageForceDeleteInstances bool `mapstructure:"image_force_delete_instances"`
AlicloudImageSkipRegionValidation bool `mapstructure:"skip_region_validation"`
AlicloudImageTags map[string]string `mapstructure:"tags"`
AlicloudDiskDevices `mapstructure:",squash"`
}
func (c *AlicloudImageConfig) Prepare(ctx *interpolate.Context) []error {
var errs []error
if c.AlicloudImageName == "" {
errs = append(errs, fmt.Errorf("image_name must be specified"))
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} else if len(c.AlicloudImageName) < 2 || len(c.AlicloudImageName) > 128 {
errs = append(errs, fmt.Errorf("image_name must less than 128 letters and more than 1 letters"))
} else if strings.HasPrefix(c.AlicloudImageName, "http://") ||
strings.HasPrefix(c.AlicloudImageName, "https://") {
errs = append(errs, fmt.Errorf("image_name can't start with 'http://' or 'https://'"))
}
reg := regexp.MustCompile("\\s+")
if reg.FindString(c.AlicloudImageName) != "" {
errs = append(errs, fmt.Errorf("image_name can't include spaces"))
}
if len(c.AlicloudImageDestinationRegions) > 0 {
regionSet := make(map[string]struct{})
regions := make([]string, 0, len(c.AlicloudImageDestinationRegions))
for _, region := range c.AlicloudImageDestinationRegions {
// If we already saw the region, then don't look again
if _, ok := regionSet[region]; ok {
continue
}
// Mark that we saw the region
regionSet[region] = struct{}{}
if !c.AlicloudImageSkipRegionValidation {
// Verify the region is real
if valid := validateRegion(region); valid != nil {
errs = append(errs, fmt.Errorf("Unknown region: %s", region))
continue
}
}
regions = append(regions, region)
}
c.AlicloudImageDestinationRegions = regions
}
if len(errs) > 0 {
return errs
}
return nil
}
func validateRegion(region string) error {
for _, valid := range common.ValidRegions {
if region == string(valid) {
return nil
}
}
return fmt.Errorf("Not a valid alicloud region: %s", region)
}