From aee18ffc2734f5a88e8f3defb4f115384cd37845 Mon Sep 17 00:00:00 2001
From: YuandongXu <786018072@qq.com>
Date: Sat, 29 Jun 2019 15:36:29 +0800
Subject: [PATCH] ce_snmp_target_host: update to fix bug: None has no 'lower()'
 function. (#57904)

* update to fix bug: None has not 'lower()' function.

* add a changelog fragment.

* update changlog fragment.

* Update 57904-ce_snmp_target_host.yml

(cherry picked from commit 78c8ee9261827b991579835dcf69babd3d42ff03)
---
 changelogs/fragments/57904-ce_snmp_target_host.yml           | 3 +++
 .../modules/network/cloudengine/ce_snmp_target_host.py       | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 changelogs/fragments/57904-ce_snmp_target_host.yml

diff --git a/changelogs/fragments/57904-ce_snmp_target_host.yml b/changelogs/fragments/57904-ce_snmp_target_host.yml
new file mode 100644
index 00000000000..235257c2090
--- /dev/null
+++ b/changelogs/fragments/57904-ce_snmp_target_host.yml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - ce_snmp_target_host - None has no 'lower()' attribute.
diff --git a/lib/ansible/modules/network/cloudengine/ce_snmp_target_host.py b/lib/ansible/modules/network/cloudengine/ce_snmp_target_host.py
index 6a5f12e897d..2ab7c4463af 100644
--- a/lib/ansible/modules/network/cloudengine/ce_snmp_target_host.py
+++ b/lib/ansible/modules/network/cloudengine/ce_snmp_target_host.py
@@ -493,7 +493,10 @@ class SnmpTargetHost(object):
                                 same_flag = False
 
                         if "interface-name" in tmp.keys():
-                            if tmp["interface-name"].lower() != self.interface_name.lower():
+                            if tmp.get("interface-name") is not None:
+                                if tmp["interface-name"].lower() != self.interface_name.lower():
+                                    same_flag = False
+                            else:
                                 same_flag = False
 
                         if same_flag: