Final round of moving modules to new import error msg (#51852)

* Final round of moving modules to new import error msg

* readd URL to jenkins install guide

* fix unit tests

lib/ansible/module_utils/cloudstack.py

@@ -9,13 +9,17 @@ __metaclass__ = type
 import os
 import sys
 import time
+import traceback
 
 from ansible.module_utils._text import to_text, to_native
+from ansible.module_utils.basic import missing_required_lib
 
+CS_IMP_ERR = None
 try:
     from cs import CloudStack, CloudStackException, read_config
     HAS_LIB_CS = True
 except ImportError:
+    CS_IMP_ERR = traceback.format_exc()
     HAS_LIB_CS = False
 
 CS_HYPERVISORS = [
@@ -53,7 +57,7 @@ class AnsibleCloudStack:
 
     def __init__(self, module):
         if not HAS_LIB_CS:
-            module.fail_json(msg="python library cs required: pip install cs")
+            module.fail_json(msg=missing_required_lib('cs'), exception=CS_IMP_ERR)
 
         self.result = {
             'changed': False,