packer-cn/builder/osc/common/omi_config.go

83 lines
2.7 KiB
Go

package common
import (
"fmt"
"log"
"github.com/hashicorp/packer/template/interpolate"
)
// OMIConfig is for common configuration related to creating OMIs.
type OMIConfig struct {
OMIName string `mapstructure:"omi_name"`
OMIDescription string `mapstructure:"omi_description"`
OMIVirtType string `mapstructure:"omi_virtualization_type"`
OMIAccountIDs []string `mapstructure:"omi_account_ids"`
OMIGroups []string `mapstructure:"omi_groups"`
OMIProductCodes []string `mapstructure:"omi_product_codes"`
OMIRegions []string `mapstructure:"omi_regions"`
OMISkipRegionValidation bool `mapstructure:"skip_region_validation"`
OMITags TagMap `mapstructure:"tags"`
OMIForceDeregister bool `mapstructure:"force_deregister"`
OMIForceDeleteSnapshot bool `mapstructure:"force_delete_snapshot"`
SnapshotTags TagMap `mapstructure:"snapshot_tags"`
SnapshotAccountIDs []string `mapstructure:"snapshot_account_ids"`
SnapshotGroups []string `mapstructure:"snapshot_groups"`
}
func (c *OMIConfig) Prepare(accessConfig *AccessConfig, ctx *interpolate.Context) []error {
var errs []error
if c.OMIName == "" {
errs = append(errs, fmt.Errorf("omi_name must be specified"))
}
errs = append(errs, c.prepareRegions(accessConfig)...)
if len(c.OMIName) < 3 || len(c.OMIName) > 128 {
errs = append(errs, fmt.Errorf("omi_name must be between 3 and 128 characters long"))
}
if c.OMIName != templateCleanResourceName(c.OMIName) {
errs = append(errs, fmt.Errorf("OMIName should only contain "+
"alphanumeric characters, parentheses (()), square brackets ([]), spaces "+
"( ), periods (.), slashes (/), dashes (-), single quotes ('), at-signs "+
"(@), or underscores(_). You can use the `clean_omi_name` template "+
"filter to automatically clean your omi name."))
}
if len(errs) > 0 {
return errs
}
return nil
}
func (c *OMIConfig) prepareRegions(accessConfig *AccessConfig) (errs []error) {
if len(c.OMIRegions) > 0 {
regionSet := make(map[string]struct{})
regions := make([]string, 0, len(c.OMIRegions))
for _, region := range c.OMIRegions {
// 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 (accessConfig != nil) && (region == accessConfig.RawRegion) {
// make sure we don't try to copy to the region we originally
// create the OMI in.
log.Printf("Cannot copy OMI to OUTSCALE session region '%s', deleting it from `omi_regions`.", region)
continue
}
regions = append(regions, region)
}
c.OMIRegions = regions
}
return errs
}