From 45959c88eed0ced402658b83efa8fbb84dc3d2e3 Mon Sep 17 00:00:00 2001
From: TonyXu <mailme.xu@gmail.com>
Date: Sun, 27 May 2018 13:27:23 +0800
Subject: [PATCH] Add openstack.ContainsProjectId method to detect the endpoint
 url whether or not contains projectID

---
 openstack/endpoint_util.go    | 11 +++++++++++
 testing/endpoint_util_test.go | 37 +++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 openstack/endpoint_util.go
 create mode 100644 testing/endpoint_util_test.go

diff --git a/openstack/endpoint_util.go b/openstack/endpoint_util.go
new file mode 100644
index 000000000..e7d95082f
--- /dev/null
+++ b/openstack/endpoint_util.go
@@ -0,0 +1,11 @@
+package openstack
+
+import "regexp"
+
+// A regular expression used to verify whether or not contains a project id in an endpoint url
+var endpointProjectIdMatcher = regexp.MustCompile(`http[s]?://.+/(?:[V|v]\d+|[V|v]\d+\.\d+)/([a-z|A-Z|0-9]{32})`)
+
+// ContainsProjectId detects whether or not  the encpoint url contains a projectid
+func ContainsProjectId(endpointUrl string) bool {
+	return endpointProjectIdMatcher.Match([]byte(endpointUrl))
+}
diff --git a/testing/endpoint_util_test.go b/testing/endpoint_util_test.go
new file mode 100644
index 000000000..d6ffa2051
--- /dev/null
+++ b/testing/endpoint_util_test.go
@@ -0,0 +1,37 @@
+package testing
+
+import (
+	"testing"
+
+	"github.com/huaweicloud/golangsdk/openstack"
+	th "github.com/huaweicloud/golangsdk/testhelper"
+)
+
+func TestContainsProjectId(t *testing.T) {
+	endpointContains := []string{"https://as.eu-de.otc.t-systems.com/autoscaling-api/v1/f9842224f84e44f99c2878eddc7f9ef5",
+		"https://elb.t-systems.com/rds/v1.0/c9842224f84e44f99c2878eddc7f9ef5/",
+		"https://elb.eu-de.otc.t-systems.com/v1.1/c9842224f84e44f99c2878eddc7f9ef5",
+		"https://elb.eu-de.otc.t-systems.com/v2/c9842224f84e44f99c2878eddc7f9ef5",
+		"https://elb.eu-de.otc.t-systems.com/v2.0/c9842224f84e44f99c2878eddc7f9ef5",
+		"https://elb.eu-de.otc.t-systems.com/V2.0/c9842224f84e44f99c2878eddc7f9ef5/list",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/v1/c9842224f84e44f99c2878eddc7f9ef5/abc",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/V11/c9842224f84e44f99c2878eddc7f9ef5",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/v2/c9842224f84e44f99c2878eddc7f9ef5",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/V2/c9842224f84e44f99c2878eddc7f9ef5",
+		"http://as.eu-de.otc.t-systems.com/autoscaling-api/V2/c9842224f84e44f99c2878eddc7f9ef5"}
+
+	for _, enpoint := range endpointContains {
+		th.AssertEquals(t, true, openstack.ContainsProjectId(enpoint))
+	}
+}
+
+func TestNotContainsProjectId(t *testing.T) {
+	endpointContains := []string{"https://as.eu-de.otc.t-systems.com/autoscaling-api/v1",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/v1/",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/v1/abc",
+		"https://as.eu-de.otc.t-systems.com/autoscaling-api/V1"}
+
+	for _, enpoint := range endpointContains {
+		th.AssertEquals(t, false, openstack.ContainsProjectId(enpoint))
+	}
+}