Module: check_mk Branch: master Commit: d61094eb01fdd3350a9307c4040bb2663f7d471d URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=d61094eb01fdd3… Author: Andreas Boesl &lt;ab(a)mathias-kettner.de&gt; Date: Tue Aug 23 17:02:04 2016 +0200 3790 f5_bigip_cluster_status: New check to monitor integrity of active/active and standby/active clusters --- .werks/3790 | 9 ++++ ChangeLog | 1 + checkman/f5_bigip_cluster_status | 17 ++++++ checks/f5_bigip_cluster_status | 99 ++++++++++++++++++++++++++++++++++ web/plugins/wato/check_parameters.py | 25 +++++++++ 5 files changed, 151 insertions(+) diff --git a/.werks/3790 b/.werks/3790 new file mode 100644 index 0000000..29642ef --- /dev/null +++ b/.werks/3790 @@ -0,0 +1,9 @@ +Title: f5_bigip_cluster_status: New check to monitor integrity of active/active and standby/active clusters +Level: 1 +Component: checks +Compatible: compat +Version: 1.4.0i1 +Date: 1471964487 +Class: feature + + diff --git a/ChangeLog b/ChangeLog index e734b4a..0e597b4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -135,6 +135,7 @@ * 3778 if: now levels for discards rate are configurable * 3788 f5_big_pool: check is now cluster ready * 3789 f5_bigip_snat: new check for source NAT monitoring + * 3790 f5_bigip_cluster_status: New check to monitor integrity of active/active and standby/active clusters * 3073 FIX: windows agent: relative paths to mrpe scripts are now treated as relative to the agent installation directory... * 3061 FIX: mk_jolokia: Fixed debugging of the agent plugin * 3074 FIX: windows agent: fixed incorrect values for 32-bit performance counters diff --git a/checkman/f5_bigip_cluster_status b/checkman/f5_bigip_cluster_status new file mode 100644 index 0000000..8b0eb21 --- /dev/null +++ b/checkman/f5_bigip_cluster_status @@ -0,0 +1,17 @@ +title: F5 Big-IP: active/active or passive/active cluster status +agents: snmp +catalog: hw/network/f5 +license: GPL +distribution: check_mk +description: + The check queries the MIB tables of F5 BIG-IP loadbalancers (local traffic managers) to identify + if the cluster correctly runs in an {active/active} or an {active/passive} setup. + You can configure the expected behaviour via a WATO rule. + It will issue a warning if the cluster setup differs from the expected setup. + This check is expected to be run on cluster hosts, since it evaluates the state of multiple nodes. + If you run this check on a cluster node, it will raise no warning if the cluster node state + differs from {active}. + +inventory: + Creates on service + diff --git a/checks/f5_bigip_cluster_status b/checks/f5_bigip_cluster_status new file mode 100644 index 0000000..9366531 --- /dev/null +++ b/checks/f5_bigip_cluster_status @@ -0,0 +1,99 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Dennis Lerch dennis.lerch(a)telekom.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# ails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + +#SNMPv2-SMI::enterprises.3375.2.1.1.1.1.19.0 = INTEGER: 0 #Version < 11.2 +#SNMPv2-SMI::enterprises.3375.2.1.14.3.1.0 = INTEGER: 3 #Version >= 11.2 + +factory_settings["f5_bigip_cluster_default_levels"] = { + "type" : "active_standby", +} + +def parse_f5_bigip_cluster_status(info): + cluster_status = {} + for status in info: + cluster_status[status[0]] = int(status[1]) + return cluster_status + +def inventory_f5_bigip_cluster_status(parsed): + if parsed: + return [ ( None, None ) ] + +def check_f5_bigip_cluster_status(_no_item, params, parsed, is_v11_2 = False): + if is_v11_2: + node_state = ["unknown", "offline", "forcedOffline", "standby", "active"] + active_value = 4 + else: + node_state = ["standby", "active 1", "active 2", "active"] + active_value = 3 + + if params["type"] == "active_standby" and parsed.values().count(active_value) > 1: + yield 2, "More than 1 node is active: " + elif active_value not in parsed.values() and len(parsed) > 1: # Only applies if this check runs on a cluster + yield 2, "No active node found: " + + for node in sorted(parsed): + node_name = node and "[%s] " % node or "" + yield 0, "Node %sis %s" % (node_name, node_state[parsed[node]]) + +def scan_f5_bigip_cluster_status(oid, is_v11_2 = False): + if not (".1.3.6.1.4.1.3375.2" in oid(".1.3.6.1.2.1.1.2.0") and\ + "big-ip" in oid(".1.3.6.1.4.1.3375.2.1.4.1.0").lower()): + return False + + version = oid(".1.3.6.1.4.1.3375.2.1.4.2.0") + if not version: + return False + + expected_version = 11.2 + version_float = float(".".join(version.split(".")[:2])) + return (version_float >= expected_version) == is_v11_2 + + +check_info["f5_bigip_cluster_status"] = { + "parse_function" : parse_f5_bigip_cluster_status, + "check_function" : lambda x,y,z: check_f5_bigip_cluster_status(x,y,z, is_v11_2 = False), + "inventory_function" : inventory_f5_bigip_cluster_status, + "node_info" : True, + "group" : "cluster_status", + "default_levels_variable" : "f5_bigip_cluster_default_levels", + "service_description" : "BIG-IP Cluster Status", + "snmp_info" : (".1.3.6.1.4.1.3375.2.1.1.1.1.19", ["0"]), # sysAttrFailoverUnitMask + "snmp_scan_function" : lambda oid: scan_f5_bigip_cluster_status(oid, is_v11_2 = False) +} + +check_info["f5_bigip_cluster_status_v11_2"] = { + "parse_function" : parse_f5_bigip_cluster_status, + "check_function" : lambda x,y,z: check_f5_bigip_cluster_status(x,y,z, is_v11_2 = True), + "inventory_function" : inventory_f5_bigip_cluster_status, + "node_info" : True, + "group" : "cluster_status", + "default_levels_variable" : "f5_bigip_cluster_default_levels", + "service_description" : "BIG-IP Cluster Status", + "snmp_info" : (".1.3.6.1.4.1.3375.2.1.14.3.1", ["0"]), # sysCmFailoverStatusId + "snmp_scan_function" : lambda oid: scan_f5_bigip_cluster_status(oid, is_v11_2 = True) +} + + diff --git a/web/plugins/wato/check_parameters.py b/web/plugins/wato/check_parameters.py index 9960ff6..ad297ff 100644 --- a/web/plugins/wato/check_parameters.py +++ b/web/plugins/wato/check_parameters.py @@ -235,6 +235,31 @@ register_check_parameters( "dict" ) +register_check_parameters( + subgroup_applications, + "cluster_status", + _("Cluster status"), + Dictionary( + elements = [ + ("type", + DropdownChoice( + title = _("Cluster type"), + help = _("Expected cluster type."), + choices = [ + ( "active_standby" , _("active / standby") ), + ( "active_active" , _("active / active") ), + ], + default_value = "active_standby" + ) + ), + ], + required_keys = ["type"] + ), + None, + "dict" +) + + #. # .--Inventory-----------------------------------------------------------. # | ___ _ |