37 lines
767 B
Go
37 lines
767 B
Go
package common
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import (
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"fmt"
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"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
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)
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func listEC2Regions(ec2conn ec2iface.EC2API) ([]string, error) {
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var regions []string
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resultRegions, err := ec2conn.DescribeRegions(nil)
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if err != nil {
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return []string{}, err
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}
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for _, region := range resultRegions.Regions {
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regions = append(regions, *region.RegionName)
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}
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return regions, nil
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}
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// ValidateRegion returns true if the supplied region is a valid AWS
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// region and false if it's not.
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func ValidateRegion(region string, ec2conn ec2iface.EC2API) error {
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regions, err := listEC2Regions(ec2conn)
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if err != nil {
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return err
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}
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for _, valid := range regions {
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if region == valid {
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return nil
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}
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}
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return fmt.Errorf("Invalid region: %s", region)
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}
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