Add readme and 25 port support

environment/huaweicloud/README.md

+# Useage
+
+### Before running 
+
+- download terraform 
+  
+```
+https://releases.hashicorp.com/terraform/0.12.7/terraform_0.12.7_linux_amd64.zip 
+unzip terraform_0.12.7_linux_amd64.zip
+```
+
+- create the keypaire named it ```KeyPair-infra```
+
+- modify the account information in provider.tf
+
+- setting service authorization for CCE if you are first time use CCE service. please go to CCE page for more detailed information.
+
+### Running the scripts
+
+
+```
+terraform init
+terraform apply
+```
+
+### TODO
+
+- Add Nat configuration for cluster
+
+- Add ELB configuration for service 

environment/huaweicloud/resources.tf

@@ -40,6 +40,14 @@ module "security_group" {
       port_range_max = "80",
       remote_ip_cidr = "0.0.0.0/0"
     },
+    {
+      direction      = "ingress",
+      ethertype      = "IPv4",
+      protocol       = "tcp",
+      port_range_min = "25",
+      port_range_max = "25",
+      remote_ip_cidr = "0.0.0.0/0"
+    }
   ]
 }