init repo

vendor/github.com/aliyun/credentials-go/credentials/provider.go

@@ -0,0 +1,13 @@
+package credentials
+
+//Environmental virables that may be used by the provider
+const (
+	ENVCredentialFile  = "ALIBABA_CLOUD_CREDENTIALS_FILE"
+	ENVEcsMetadata     = "ALIBABA_CLOUD_ECS_METADATA"
+	PATHCredentialFile = "~/.alibabacloud/credentials"
+)
+
+// Provider will be implemented When you want to customize the provider.
+type Provider interface {
+	resolve() (*Config, error)
+}