This repository has been archived by the owner on Sep 30, 2020. It is now read-only.
/
region.go
83 lines (69 loc) · 1.45 KB
/
region.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
package model
import (
"fmt"
"strings"
)
type Region struct {
Name string `yaml:"region,omitempty"`
}
func RegionForName(name string) Region {
return Region{
Name: name,
}
}
func (r Region) PrivateDomainName() string {
if r.Name == "us-east-1" {
return "ec2.internal"
}
return fmt.Sprintf("%s.compute.internal", r.Name)
}
func (r Region) PublicComputeDomainName() string {
switch r.Name {
case "us-east-1":
return fmt.Sprintf("compute-1.%s", r.PublicDomainName())
default:
return fmt.Sprintf("%s.compute.%s", r.Name, r.PublicDomainName())
}
}
func (r Region) PublicDomainName() string {
if r.IsChina() {
return "amazonaws.com.cn"
}
return "amazonaws.com"
}
func (r Region) String() string {
return r.Name
}
func (r Region) S3Endpoint() string {
if r.IsChina() {
return fmt.Sprintf("https://s3.%s.amazonaws.com.cn", r.Name)
}
if r.IsGovcloud() {
return fmt.Sprintf("https://s3-%s.amazonaws.com", r.Name)
}
return "https://s3.amazonaws.com"
}
func (r Region) Partition() string {
if r.IsChina() {
return "aws-cn"
}
if r.IsGovcloud() {
return "aws-us-gov"
}
return "aws"
}
func (r Region) IsChina() bool {
return strings.HasPrefix(r.Name, "cn-")
}
func (r Region) IsGovcloud() bool {
return strings.HasPrefix(r.Name, "us-gov-")
}
func (r Region) IsEmpty() bool {
return r.Name == ""
}
func (r Region) SupportsKMS() bool {
return !r.IsChina()
}
func (r Region) SupportsNetworkLoadBalancers() bool {
return !r.IsChina()
}