forked from rackspace/rack
/
auth_env.go
70 lines (61 loc) · 1.88 KB
/
auth_env.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
package openstack
import (
"os"
"github.com/rackspace/rack/internal/github.com/rackspace/gophercloud"
)
var nilOptions = gophercloud.AuthOptions{}
// AuthOptionsFromEnv fills out an identity.AuthOptions structure with the settings found on the various OpenStack
// OS_* environment variables. The following variables provide sources of truth: OS_AUTH_URL, OS_USERNAME,
// OS_PASSWORD, OS_TENANT_ID, and OS_TENANT_NAME. Of these, OS_USERNAME, OS_PASSWORD, and OS_AUTH_URL must
// have settings, or an error will result. OS_TENANT_ID and OS_TENANT_NAME are optional.
func AuthOptionsFromEnv() (gophercloud.AuthOptions, error) {
authURL := os.Getenv("OS_AUTH_URL")
username := os.Getenv("OS_USERNAME")
userID := os.Getenv("OS_USERID")
password := os.Getenv("OS_PASSWORD")
tenantID := os.Getenv("OS_TENANT_ID")
tenantName := os.Getenv("OS_TENANT_NAME")
domainID := os.Getenv("OS_DOMAIN_ID")
domainName := os.Getenv("OS_DOMAIN_NAME")
if authURL == "" {
return nilOptions, &ErrNoAuthURL{
&gophercloud.InvalidInputError{
BaseError: gophercloud.BaseError{
Function: "openstack.AuthOptionsFromEnv",
},
Argument: "authURL",
},
}
}
if username == "" && userID == "" {
return nilOptions, &ErrNoUsername{
&gophercloud.InvalidInputError{
BaseError: gophercloud.BaseError{
Function: "openstack.AuthOptionsFromEnv",
},
Argument: "username",
},
}
}
if password == "" {
return nilOptions, &ErrNoPassword{
&gophercloud.InvalidInputError{
BaseError: gophercloud.BaseError{
Function: "openstack.AuthOptionsFromEnv",
},
Argument: "password",
},
}
}
ao := gophercloud.AuthOptions{
IdentityEndpoint: authURL,
UserID: userID,
Username: username,
Password: password,
TenantID: tenantID,
TenantName: tenantName,
DomainID: domainID,
DomainName: domainName,
}
return ao, nil
}