Module: check_mk Branch: master Commit: 5f146cda13e5b887944698546fadfd7e7bd38fb0 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=5f146cda13e5b8… Author: Lars Michelsen &lt;lm(a)mathias-kettner.de&gt; Date: Tue Sep 15 13:47:05 2015 +0200 siemens_plc_cpu: Added new check for monitoring the state of the CPU of Siemens PLC devices --- agents/special/agent_siemens_plc | 8 ++++++-- checkman/siemens_plc_cpu | 18 ++++++++++++++++++ checks/siemens_plc | 37 +++++++++++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+), 2 deletions(-) diff --git a/agents/special/agent_siemens_plc b/agents/special/agent_siemens_plc index 7d93df2..7541add 100755 --- a/agents/special/agent_siemens_plc +++ b/agents/special/agent_siemens_plc @@ -27,7 +27,8 @@ import getopt, sys, socket, traceback, re, pprint import snap7 from snap7.util import * -from snap7.snap7types import S7AreaPE, S7AreaPA, S7AreaMK, S7AreaDB, S7AreaCT, S7AreaTM +from snap7.snap7types import S7AreaPE, S7AreaPA, S7AreaMK, S7AreaDB, \ + S7AreaCT, S7AreaTM def usage(): sys.stderr.write("""Check_MK Siemens PLC Agent @@ -183,13 +184,16 @@ datatypes = { } unhandled_error = False -sys.stdout.write("<<<siemens_plc>>>\n") for device in devices: try: client = snap7.client.Client() client.connect(device['host_address'], device['rack'], device['slot'], device['port']) + sys.stdout.write("<<<siemens_plc_cpu_state>>>\n") + sys.stdout.write(client.get_cpu_state()+"\n") + + sys.stdout.write("<<<siemens_plc>>>\n") # We want to have a minimum number of reads. We try to only use # a single read and detect the memory area to fetch dynamically # based on the configured values diff --git a/checkman/siemens_plc_cpu b/checkman/siemens_plc_cpu new file mode 100644 index 0000000..1235153 --- /dev/null +++ b/checkman/siemens_plc_cpu @@ -0,0 +1,18 @@ +title: Siemens PLC: CPU state +agents: siemens_plc +catalog: hw/other +license: GPL +distribution: check_mk +description: + Monitors the current CPU state of Siemens PLC (SPS) devices. + + You need to use and configure the special agent {agent_siemens_plc} which is using the SNAP7 + library to communicate with the Siemens PLC. When you are using OMD, everything is already + installed and configured. In manual setups, you will need to ensure that the snap7 library + and python module {snap7} are installed. + + The CPU state can either be reported as running ({OK}), stopped ({CRITICAL}) and unknown + ({UNKNOWN}). + +inventory: + One check for each device is created automatically. diff --git a/checks/siemens_plc b/checks/siemens_plc index 3c44729..97e87b4 100644 --- a/checks/siemens_plc +++ b/checks/siemens_plc @@ -246,3 +246,40 @@ check_info['siemens_plc.info'] = { "service_description" : "Info %s", "has_perfdata" : False, } + +#. +# .--CPU-State-----------------------------------------------------------. +# | ____ ____ _ _ ____ _ _ | +# | / ___| _ \| | | | / ___|| |_ __ _| |_ ___ | +# | | | | |_) | | | |____\___ \| __/ _` | __/ _ \ | +# | | |___| __/| |_| |_____|__) | || (_| | || __/ | +# | \____|_| \___/ |____/ \__\__,_|\__\___| | +# | | +# +----------------------------------------------------------------------+ +# | | +# '----------------------------------------------------------------------' + +def inventory_siemens_plc_cpu_state(info): + return [ (None, None) ] + + +def check_siemens_plc_cpu_state(_no_item, _no_params, info): + try: + state = info[0][0] + except IndexError: + return + + if state == "S7CpuStatusRun": + return 0, "CPU is running" + elif state == "S7CpuStatusStop": + return 2, "CPU is stopped" + else: + return 3, "CPU is in unknown state" + + +check_info['siemens_plc_cpu_state'] = { + "inventory_function" : inventory_siemens_plc_cpu_state, + "check_function" : check_siemens_plc_cpu_state, + "service_description" : "CPU state", + "has_perfdata" : False, +}