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authorJoel Diaz <jdiaz@redhat.com>2016-01-18 11:03:23 -0500
committerJoel Diaz <jdiaz@redhat.com>2016-01-18 12:30:20 -0500
commit739a3af877fb1728b8ad1838aa524e089c7f5ffd (patch)
treed9f5dfd68e6a729c141b6210af07f3133216bd1a
parent383cac45cc48ac46e32334f10b97f69e4eab3a67 (diff)
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clean up too-many-branches / logic
-rw-r--r--roles/lib_zabbix/library/zbx_action.py147
1 files changed, 91 insertions, 56 deletions
diff --git a/roles/lib_zabbix/library/zbx_action.py b/roles/lib_zabbix/library/zbx_action.py
index c08bef4f7..2f9524556 100644
--- a/roles/lib_zabbix/library/zbx_action.py
+++ b/roles/lib_zabbix/library/zbx_action.py
@@ -81,6 +81,61 @@ def filter_differences(zabbix_filters, user_filters):
return rval
+def opconditions_diff(zab_val, user_val):
+ ''' Report whether there are differences between opconditions on
+ zabbix and opconditions supplied by user '''
+
+ if len(zab_val) != len(user_val):
+ return True
+
+ for z_cond, u_cond in zip(zab_val, user_val):
+ if not all([str(u_cond[op_key]) == z_cond[op_key] for op_key in \
+ ['conditiontype', 'operator', 'value']]):
+ return True
+
+ return False
+
+def opmessage_diff(zab_val, user_val):
+ ''' Report whether there are differences between opmessage on
+ zabbix and opmessage supplied by user '''
+
+ for op_msg_key, op_msg_val in user_val.items():
+ if zab_val[op_msg_key] != str(op_msg_val):
+ return True
+
+ return False
+
+def opmessage_grp_diff(zab_val, user_val):
+ ''' Report whether there are differences between opmessage_grp
+ on zabbix and opmessage_grp supplied by user '''
+
+ zab_grp_ids = set([ugrp['usrgrpid'] for ugrp in zab_val])
+ usr_grp_ids = set([ugrp['usrgrpid'] for ugrp in user_val])
+ if usr_grp_ids != zab_grp_ids:
+ return True
+
+ return False
+
+def opmessage_usr_diff(zab_val, user_val):
+ ''' Report whether there are differences between opmessage_usr
+ on zabbix and opmessage_usr supplied by user '''
+
+ zab_usr_ids = set([usr['usrid'] for usr in zab_val])
+ usr_ids = set([usr['usrid'] for usr in user_val])
+ if usr_ids != zab_usr_ids:
+ return True
+
+ return False
+
+def opcommand_diff(zab_op_cmd, usr_op_cmd):
+ ''' Check whether user-provided opcommand matches what's already
+ stored in Zabbix '''
+
+ for usr_op_cmd_key, usr_op_cmd_val in usr_op_cmd.items():
+ if zab_op_cmd[usr_op_cmd_key] != str(usr_op_cmd_val):
+ return True
+ return False
+
def host_in_zabbix(zab_hosts, usr_host):
''' Check whether a particular user host is already in the
Zabbix list of hosts '''
@@ -106,23 +161,11 @@ def hostlist_in_zabbix(zab_hosts, usr_hosts):
return True
-def opcommand_diff(zab_op_cmd, usr_op_cmd):
- ''' Check whether user-provided opcommand matches what's already
- stored in Zabbix '''
-
- for usr_op_cmd_key, usr_op_cmd_val in usr_op_cmd.items():
- if zab_op_cmd[usr_op_cmd_key] != str(usr_op_cmd_val):
- return True
- return False
-
-# This logic is quite complex. We are comparing two lists of dictionaries.
-# The outer for-loops allow us to descend down into both lists at the same time
-# and then walk over the key,val pairs of the incoming user dict's changes
-# or updates. The if-statements are looking at different sub-object types and
-# comparing them. The other suggestion on how to write this is to write a recursive
-# compare function but for the time constraints and for complexity I decided to go
-# this route.
-# pylint: disable=too-many-branches
+# We are comparing two lists of dictionaries (the one stored on zabbix and the
+# one the user is providing). For each type of operation, determine whether there
+# is a difference between what is stored on zabbix and what the user is providing.
+# If there is a difference, we take the user-provided data for what needs to
+# be stored/updated into zabbix.
def operation_differences(zabbix_ops, user_ops):
'''Determine the differences from user and zabbix for operations'''
@@ -132,49 +175,41 @@ def operation_differences(zabbix_ops, user_ops):
rval = {}
for zab, user in zip(zabbix_ops, user_ops):
- for key, val in user.items():
- if key == 'opconditions':
- if len(zab[key]) != len(val):
- rval[key] = val
- break
- for z_cond, u_cond in zip(zab[key], user[key]):
- if not all([str(u_cond[op_key]) == z_cond[op_key] for op_key in \
- ['conditiontype', 'operator', 'value']]):
- rval[key] = val
- break
- elif key == 'opmessage':
- # Verify each passed param matches
- for op_msg_key, op_msg_val in val.items():
- if zab[key][op_msg_key] != str(op_msg_val):
- rval[key] = val
- break
-
- elif key == 'opmessage_grp':
- zab_grp_ids = set([ugrp['usrgrpid'] for ugrp in zab[key]])
- usr_grp_ids = set([ugrp['usrgrpid'] for ugrp in val])
- if usr_grp_ids != zab_grp_ids:
- rval[key] = val
-
- elif key == 'opmessage_usr':
- zab_usr_ids = set([usr['userid'] for usr in zab[key]])
- usr_ids = set([usr['userid'] for usr in val])
- if usr_ids != zab_usr_ids:
- rval[key] = val
-
- elif key == 'opcommand':
- if opcommand_diff(zab[key], val):
- rval[key] = val
- break
+ for oper in user.keys():
+ if oper == 'opconditions' and opconditions_diff(zab[oper], \
+ user[oper]):
+ rval[oper] = user[oper]
+
+ elif oper == 'opmessage' and opmessage_diff(zab[oper], \
+ user[oper]):
+ rval[oper] = user[oper]
+
+ elif oper == 'opmessage_grp' and opmessage_grp_diff(zab[oper], \
+ user[oper]):
+ rval[oper] = user[oper]
+
+ elif oper == 'opmessage_usr' and opmessage_usr_diff(zab[oper], \
+ user[oper]):
+ rval[oper] = user[oper]
+
+ elif oper == 'opcommand' and opcommand_diff(zab[oper], \
+ user[oper]):
+ rval[oper] = user[oper]
# opcommand_grp can be treated just like opcommand_hst
# as opcommand_grp[] is just a list of groups
- elif key == 'opcommand_hst' or key == 'opcommand_grp':
- if not hostlist_in_zabbix(zab[key], val):
- rval[key] = val
- break
+ elif oper == 'opcommand_hst' or oper == 'opcommand_grp':
+ if not hostlist_in_zabbix(zab[oper], user[oper]):
+ rval[oper] = user[oper]
+
+ # if it's any other type of operation than the ones tested above
+ # just do a direct compare
+ elif oper not in ['opconditions', 'opmessage', 'opmessage_grp',
+ 'opmessage_usr', 'opcommand', 'opcommand_hst',
+ 'opcommand_grp'] \
+ and str(zab[oper]) != str(user[oper]):
+ rval[oper] = user[oper]
- elif zab[key] != str(val):
- rval[key] = val
return rval
def get_users(zapi, users):