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package awsrulesfn
import "regexp"
// Partition provides the metadata describing an AWS partition.
type Partition struct {
ID string `json:"id"`
Regions map[string]RegionOverrides `json:"regions"`
RegionRegex string `json:"regionRegex"`
DefaultConfig PartitionConfig `json:"outputs"`
}
// PartitionConfig provides the endpoint metadata for an AWS region or partition.
type PartitionConfig struct {
Name string `json:"name"`
DnsSuffix string `json:"dnsSuffix"`
DualStackDnsSuffix string `json:"dualStackDnsSuffix"`
SupportsFIPS bool `json:"supportsFIPS"`
SupportsDualStack bool `json:"supportsDualStack"`
}
type RegionOverrides struct {
Name *string `json:"name"`
DnsSuffix *string `json:"dnsSuffix"`
DualStackDnsSuffix *string `json:"dualStackDnsSuffix"`
SupportsFIPS *bool `json:"supportsFIPS"`
SupportsDualStack *bool `json:"supportsDualStack"`
}
const defaultPartition = "aws"
func getPartition(partitions []Partition, region string) *PartitionConfig {
for _, partition := range partitions {
if v, ok := partition.Regions[region]; ok {
p := mergeOverrides(partition.DefaultConfig, v)
return &p
}
}
for _, partition := range partitions {
regionRegex := regexp.MustCompile(partition.RegionRegex)
if regionRegex.MatchString(region) {
v := partition.DefaultConfig
return &v
}
}
for _, partition := range partitions {
if partition.ID == defaultPartition {
v := partition.DefaultConfig
return &v
}
}
return nil
}
func mergeOverrides(into PartitionConfig, from RegionOverrides) PartitionConfig {
if from.Name != nil {
into.Name = *from.Name
}
if from.DnsSuffix != nil {
into.DnsSuffix = *from.DnsSuffix
}
if from.DualStackDnsSuffix != nil {
into.DualStackDnsSuffix = *from.DualStackDnsSuffix
}
if from.SupportsFIPS != nil {
into.SupportsFIPS = *from.SupportsFIPS
}
if from.SupportsDualStack != nil {
into.SupportsDualStack = *from.SupportsDualStack
}
return into
}
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