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package defaults
import (
"github.com/aws/aws-sdk-go-v2/aws"
"runtime"
"strings"
)
var getGOOS = func() string {
return runtime.GOOS
}
// ResolveDefaultsModeAuto is used to determine the effective aws.DefaultsMode when the mode
// is set to aws.DefaultsModeAuto.
func ResolveDefaultsModeAuto(region string, environment aws.RuntimeEnvironment) aws.DefaultsMode {
goos := getGOOS()
if goos == "android" || goos == "ios" {
return aws.DefaultsModeMobile
}
var currentRegion string
if len(environment.EnvironmentIdentifier) > 0 {
currentRegion = environment.Region
}
if len(currentRegion) == 0 && len(environment.EC2InstanceMetadataRegion) > 0 {
currentRegion = environment.EC2InstanceMetadataRegion
}
if len(region) > 0 && len(currentRegion) > 0 {
if strings.EqualFold(region, currentRegion) {
return aws.DefaultsModeInRegion
}
return aws.DefaultsModeCrossRegion
}
return aws.DefaultsModeStandard
}
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