54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package common
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
|
|
)
|
|
|
|
func listEC2Regions(ec2conn ec2iface.EC2API) ([]string, error) {
|
|
var regions []string
|
|
resultRegions, err := ec2conn.DescribeRegions(nil)
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
for _, region := range resultRegions.Regions {
|
|
regions = append(regions, *region.RegionName)
|
|
}
|
|
|
|
return regions, nil
|
|
}
|
|
|
|
// ValidateRegion returns true if the supplied region is a valid AWS
|
|
// region and false if it's not.
|
|
func (c *AccessConfig) ValidateRegion(regions ...string) error {
|
|
ec2conn, err := c.NewEC2Connection()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
validRegions, err := listEC2Regions(ec2conn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var invalidRegions []string
|
|
for _, region := range regions {
|
|
found := false
|
|
for _, validRegion := range validRegions {
|
|
if region == validRegion {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
invalidRegions = append(invalidRegions, region)
|
|
}
|
|
}
|
|
|
|
if len(invalidRegions) > 0 {
|
|
return fmt.Errorf("Invalid region(s): %v", invalidRegions)
|
|
}
|
|
return nil
|
|
}
|