120 lines
3 KiB
Go
120 lines
3 KiB
Go
package swift
|
|
|
|
import (
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/restic/restic/internal/errors"
|
|
"github.com/restic/restic/internal/options"
|
|
)
|
|
|
|
// Config contains basic configuration needed to specify swift location for a swift server
|
|
type Config struct {
|
|
UserName string
|
|
Domain string
|
|
APIKey string
|
|
AuthURL string
|
|
Region string
|
|
Tenant string
|
|
TenantID string
|
|
TenantDomain string
|
|
TrustID string
|
|
|
|
StorageURL string
|
|
AuthToken string
|
|
|
|
// auth v3 only
|
|
ApplicationCredentialID string
|
|
ApplicationCredentialName string
|
|
ApplicationCredentialSecret string
|
|
|
|
Container string
|
|
Prefix string
|
|
DefaultContainerPolicy string
|
|
|
|
Connections uint `option:"connections" help:"set a limit for the number of concurrent connections (default: 5)"`
|
|
}
|
|
|
|
func init() {
|
|
options.Register("swift", Config{})
|
|
}
|
|
|
|
// NewConfig returns a new config with the default values filled in.
|
|
func NewConfig() Config {
|
|
return Config{
|
|
Connections: 5,
|
|
}
|
|
}
|
|
|
|
// ParseConfig parses the string s and extract swift's container name and prefix.
|
|
func ParseConfig(s string) (interface{}, error) {
|
|
data := strings.SplitN(s, ":", 3)
|
|
if len(data) != 3 {
|
|
return nil, errors.New("invalid URL, expected: swift:container-name:/[prefix]")
|
|
}
|
|
|
|
scheme, container, prefix := data[0], data[1], data[2]
|
|
if scheme != "swift" {
|
|
return nil, errors.Errorf("unexpected prefix: %s", data[0])
|
|
}
|
|
|
|
if len(prefix) == 0 {
|
|
return nil, errors.Errorf("prefix is empty")
|
|
}
|
|
|
|
if prefix[0] != '/' {
|
|
return nil, errors.Errorf("prefix does not start with slash (/)")
|
|
}
|
|
prefix = prefix[1:]
|
|
|
|
cfg := NewConfig()
|
|
cfg.Container = container
|
|
cfg.Prefix = prefix
|
|
|
|
return cfg, nil
|
|
}
|
|
|
|
// ApplyEnvironment saves values from the environment to the config.
|
|
func ApplyEnvironment(prefix string, cfg interface{}) error {
|
|
c := cfg.(*Config)
|
|
for _, val := range []struct {
|
|
s *string
|
|
env string
|
|
}{
|
|
// v2/v3 specific
|
|
{&c.UserName, prefix + "OS_USERNAME"},
|
|
{&c.APIKey, prefix + "OS_PASSWORD"},
|
|
{&c.Region, prefix + "OS_REGION_NAME"},
|
|
{&c.AuthURL, prefix + "OS_AUTH_URL"},
|
|
|
|
// v3 specific
|
|
{&c.Domain, prefix + "OS_USER_DOMAIN_NAME"},
|
|
{&c.Tenant, prefix + "OS_PROJECT_NAME"},
|
|
{&c.TenantDomain, prefix + "OS_PROJECT_DOMAIN_NAME"},
|
|
|
|
// v2 specific
|
|
{&c.TenantID, prefix + "OS_TENANT_ID"},
|
|
{&c.Tenant, prefix + "OS_TENANT_NAME"},
|
|
|
|
// v1 specific
|
|
{&c.AuthURL, prefix + "ST_AUTH"},
|
|
{&c.UserName, prefix + "ST_USER"},
|
|
{&c.APIKey, prefix + "ST_KEY"},
|
|
|
|
// Application Credential auth
|
|
{&c.ApplicationCredentialID, prefix + "OS_APPLICATION_CREDENTIAL_ID"},
|
|
{&c.ApplicationCredentialName, prefix + "OS_APPLICATION_CREDENTIAL_NAME"},
|
|
{&c.ApplicationCredentialSecret, prefix + "OS_APPLICATION_CREDENTIAL_SECRET"},
|
|
|
|
// Manual authentication
|
|
{&c.StorageURL, prefix + "OS_STORAGE_URL"},
|
|
{&c.AuthToken, prefix + "OS_AUTH_TOKEN"},
|
|
|
|
{&c.DefaultContainerPolicy, prefix + "SWIFT_DEFAULT_CONTAINER_POLICY"},
|
|
} {
|
|
if *val.s == "" {
|
|
*val.s = os.Getenv(val.env)
|
|
}
|
|
}
|
|
return nil
|
|
}
|