diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..4ca2aae
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,4 @@
+[gerrit]
+host=review.openstack.org
+port=29418
+project=stackforge/fuel-plugin-external-glusterfs.git
diff --git a/environment_config.yaml b/environment_config.yaml
index eabca08..449be8d 100644
--- a/environment_config.yaml
+++ b/environment_config.yaml
@@ -5,3 +5,6 @@ attributes:
     description: 'IP address of GlusterFS endpoint'
     weight: 25
     type: "text"
+    regex:
+      source: '^([a-zA-Z0-9]+[-\.])*[a-zA-Z0-9]+\:(([1-9][0-9]{0,3}|[1-6][0-5][0-5][0-3][0-5])\:){0,1}\/(\.{3,}[a-zA-Z0-9-_\.]*|\.{0,2}[a-zA-Z0-9-_]+[a-zA-Z0-9-_\.]*)$'
+      error: "Invalid address"