Update ce_evpn_bgp_rr to fix bugs (#61168)

lib/ansible/modules/network/cloudengine/ce_evpn_bgp_rr.py

@@ -169,7 +169,7 @@ changed:
 
 import re
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.network.cloudengine.ce import get_config, load_config, ce_argument_spec
+from ansible.module_utils.network.cloudengine.ce import exec_command, load_config, ce_argument_spec
 
 
 def is_config_exist(cmp_cfg, test_cfg):
@@ -259,19 +259,17 @@ class EvpnBgpRr(object):
     def get_config_in_bgp_view(self):
         """Get configuration in BGP view"""
 
-        flags = list()
-        exp = " | section include"
+        cmd = "display current-configuration | section include"
         if self.as_number:
             if self.bgp_instance:
-                exp += " bgp %s instance %s" % (self.as_number,
+                cmd += " bgp %s instance %s" % (self.as_number,
                                                 self.bgp_instance)
             else:
-                exp += " bgp %s" % self.as_number
-
-        flags.append(exp)
-        config = get_config(self.module, flags)
-        cmd = 'display current-configuration ' + exp
-        config = config.strip() if config else ""
+                cmd += " bgp %s" % self.as_number
+        rc, out, err = exec_command(self.module, cmd)
+        if rc != 0:
+            self.module.fail_json(msg=err)
+        config = out.strip() if out else ""
         if cmd == config:
             return ''