|
1
|
|
|
package providers |
|
2
|
|
|
|
|
3
|
|
|
import ( |
|
4
|
|
|
"fmt" |
|
5
|
|
|
"os" |
|
6
|
|
|
"strings" |
|
7
|
|
|
) |
|
8
|
|
|
|
|
9
|
|
|
type DefaultCredentialsProvider struct { |
|
10
|
|
|
providerChain []CredentialsProvider |
|
11
|
|
|
lastUsedProvider CredentialsProvider |
|
12
|
|
|
} |
|
13
|
|
|
|
|
14
|
|
|
func NewDefaultCredentialsProvider() (provider *DefaultCredentialsProvider) { |
|
15
|
|
|
providers := []CredentialsProvider{} |
|
16
|
|
|
|
|
17
|
|
|
// Add static ak or sts credentials provider |
|
18
|
|
|
envProvider, err := NewEnvironmentVariableCredentialsProviderBuilder().Build() |
|
19
|
|
|
if err == nil { |
|
20
|
|
|
providers = append(providers, envProvider) |
|
21
|
|
|
} |
|
22
|
|
|
|
|
23
|
|
|
// oidc check |
|
24
|
|
|
oidcProvider, err := NewOIDCCredentialsProviderBuilder().Build() |
|
25
|
|
|
if err == nil { |
|
26
|
|
|
providers = append(providers, oidcProvider) |
|
27
|
|
|
} |
|
28
|
|
|
|
|
29
|
|
|
// cli credentials provider |
|
30
|
|
|
providers = append(providers, NewCLIProfileCredentialsProviderBuilder().Build()) |
|
31
|
|
|
|
|
32
|
|
|
// profile credentials provider |
|
33
|
|
|
// providers = append(providers) |
|
34
|
|
|
providers = append(providers, NewProfileCredentialsProviderBuilder().Build()) |
|
35
|
|
|
|
|
36
|
|
|
// Add IMDS |
|
37
|
|
|
if os.Getenv("ALIBABA_CLOUD_ECS_METADATA") != "" { |
|
38
|
|
|
ecsRamRoleProvider, err := NewECSRAMRoleCredentialsProviderBuilder().WithRoleName(os.Getenv("ALIBABA_CLOUD_ECS_METADATA")).Build() |
|
39
|
|
|
if err == nil { |
|
40
|
|
|
providers = append(providers, ecsRamRoleProvider) |
|
41
|
|
|
} |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
// TODO: ALIBABA_CLOUD_CREDENTIALS_URI check |
|
45
|
|
|
|
|
46
|
|
|
return &DefaultCredentialsProvider{ |
|
47
|
|
|
providerChain: providers, |
|
48
|
|
|
} |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
func (provider *DefaultCredentialsProvider) GetCredentials() (cc *Credentials, err error) { |
|
52
|
|
|
if provider.lastUsedProvider != nil { |
|
53
|
|
|
inner, err1 := provider.lastUsedProvider.GetCredentials() |
|
54
|
|
|
if err1 != nil { |
|
55
|
|
|
return |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
cc = &Credentials{ |
|
59
|
|
|
AccessKeyId: inner.AccessKeyId, |
|
60
|
|
|
AccessKeySecret: inner.AccessKeySecret, |
|
61
|
|
|
SecurityToken: inner.SecurityToken, |
|
62
|
|
|
ProviderName: fmt.Sprintf("%s/%s", provider.GetProviderName(), provider.lastUsedProvider.GetProviderName()), |
|
63
|
|
|
} |
|
64
|
|
|
return |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
errors := []string{} |
|
68
|
|
|
for _, p := range provider.providerChain { |
|
69
|
|
|
provider.lastUsedProvider = p |
|
70
|
|
|
inner, errInLoop := p.GetCredentials() |
|
71
|
|
|
if errInLoop != nil { |
|
72
|
|
|
errors = append(errors, errInLoop.Error()) |
|
73
|
|
|
// 如果有错误，进入下一个获取过程 |
|
74
|
|
|
continue |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
if inner != nil { |
|
78
|
|
|
cc = &Credentials{ |
|
79
|
|
|
AccessKeyId: inner.AccessKeyId, |
|
80
|
|
|
AccessKeySecret: inner.AccessKeySecret, |
|
81
|
|
|
SecurityToken: inner.SecurityToken, |
|
82
|
|
|
ProviderName: fmt.Sprintf("%s/%s", provider.GetProviderName(), p.GetProviderName()), |
|
83
|
|
|
} |
|
84
|
|
|
return |
|
85
|
|
|
} |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
err = fmt.Errorf("unable to get credentials from any of the providers in the chain: %s", strings.Join(errors, ", ")) |
|
89
|
|
|
return |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
func (provider *DefaultCredentialsProvider) GetProviderName() string { |
|
93
|
|
|
return "default" |
|
94
|
|
|
} |
|
95
|
|
|
|
aliyun /
credentials-go
