[checkmk-commits] 4585 FIX juniper_trpz_aps_sessions: Fixed crashes if access point is not reachable or no values could be calculated

Module: check_mk Branch: master Commit: cfd57987ff83f3712428e97cdc4e9199529e14e9 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=cfd57987ff83f3… Author: Simon Betz <si(a)mathias-kettner.de> Date: Thu Apr 13 11:33:58 2017 +0200 4585 FIX juniper_trpz_aps_sessions: Fixed crashes if access point is not reachable or no values could be calculated Change-Id: I9ea6063bba30a6584b17e0daa9ee77a08855abba --- .werks/4586 | 11 ++++ checks/juniper_trpz_aps | 28 +++++---- checks/juniper_trpz_aps_sessions | 129 ++++++++++++++++++++++----------------- 3 files changed, 101 insertions(+), 67 deletions(-) diff --git a/.werks/4586 b/.werks/4586 new file mode 100644 index 0000000..f98410c --- /dev/null +++ b/.werks/4586 @@ -0,0 +1,11 @@ +Title: juniper_trpz_aps_sessions: Fixed crashes if access point is not reachable or no values could be calculated +Level: 1 +Component: checks +Class: fix +Compatible: compat +Edition: cre +State: unknown +Version: 1.5.0i1 +Date: 1492075527 + + diff --git a/checks/juniper_trpz_aps b/checks/juniper_trpz_aps index e3c5bfa..6367fa0 100644 --- a/checks/juniper_trpz_aps +++ b/checks/juniper_trpz_aps @@ -24,31 +24,35 @@ # to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, # Boston, MA 02110-1301 USA. + def inventory_juniper_trpz_aps(info): return [ (None, None) ] + def check_juniper_trpz_aps(_no_item, _no_params, info): - total_aps = 0 + total_aps = 0 total_sessions = 0 - message = "" + infotexts = [] for node, aps, sessions in info: # Are we a cluster? + message = "" if node != None: - message += "%s: " % node + message += "[%s] " % node - total_aps += int(aps) + total_aps += int(aps) total_sessions += int(sessions) - message += "%s access points online, %s sessions - " % (aps, sessions) - - if message.endswith(' - '): - message = message[:-3] + message += "Online access points: %s, Sessions: %s" % \ + (aps, sessions) + infotexts.append(message) if len(info) > 1: - infotext = "Total: %d access points, %d sessions (%s)" % (total_aps, total_sessions, message) - else: - infotext = message + infotexts = ["Total: %d access points, Sessions: %d" % \ + (total_aps, total_sessions)] + infotexts + + return 0, ", ".join(infotexts), [ + ('ap_devices_total', total_aps), + ("total_sessions", total_sessions)] - return 0, infotext, [ ('ap_devices_total', total_aps), ("total_sessions", total_sessions) ] check_info["juniper_trpz_aps"] = { "check_function" : check_juniper_trpz_aps, diff --git a/checks/juniper_trpz_aps_sessions b/checks/juniper_trpz_aps_sessions index aac0cdf..e16fa15 100644 --- a/checks/juniper_trpz_aps_sessions +++ b/checks/juniper_trpz_aps_sessions @@ -55,30 +55,31 @@ # } def parse_juniper_trpz_aps_sessions(info): - access_points, radios = info parsed = {} - for node, end_oid, status, name in access_points: - # 10 means that that accesspoint is located on the - # other cluster part. Use custered_services to see all APs - if int(status) != 10: - name = name.replace('AP-','') - parsed[name] = { - 'node_info' : node, - 'end_oid' : end_oid, - 'status' : int(status), - 'radios' : {}, - } - - for data in radios: - radio_oid, radio_number = data[1].rsplit('.', 1) - for ap_name, ap_data in parsed.items(): - if radio_oid == parsed[ap_name]['end_oid']: - ap_data['radios'][radio_number] = { - 'counters' : map(int, data[2:-2]), - 'sessions' : int(data[-2]), - 'noise_floor' : int(data[-1]), + for access_points, radios in zip(info[::2], info[1::2]): + for node, end_oid, status, name in access_points: + # 10 means that that accesspoint is located on the + # other cluster part. Use clustered_services to see all APs + if int(status) != 10: + name = name.replace('AP-','') + parsed.setdefault(name, {}) + parsed[name].setdefault(node, {}) + parsed[name][node] = { + 'end_oid' : end_oid, + 'status' : int(status), + 'radios' : {}, } + for data in radios: + radio_oid, radio_number = data[1].rsplit('.', 1) + for ap_name, ap_data in parsed.items(): + if radio_oid == ap_data.get(data[0], {}).get('end_oid'): + ap_data[data[0]]['radios'][radio_number] = { + 'counters' : data[2:-2], + 'sessions' : data[-2], + 'noise_floor' : data[-1], + } + return parsed @@ -102,39 +103,53 @@ def check_juniper_trpz_aps_sessions(item, _no_params, parsed): 10 : (0, "redundant"), 20 : (2, "conn outage"), } - state, ap_status = ap_states[parsed[item]['status']] - - if parsed[item]["node_info"] is not None: - node_info = " (on node %s)" % parsed[item]["node_info"] - else: - node_info = "" - yield state, "Status: %s%s" % (ap_status, node_info) - now = time.time() - ap_rates = [0, 0, 0, 0, 0, 0, 0, 0, 0] - ap_sessions = 0 + infotexts = [] + state = 0 + data = parsed[item] + now = time.time() + ap_rates = [0, 0, 0, 0, 0, 0, 0, 0, 0] + ap_sessions = 0 noise_floor_radios = [] - for radio_number, radio_data in parsed[item]['radios'].items(): - noise_floor_radios.append( radio_data['noise_floor'] ) - ap_sessions += radio_data['sessions'] - - radio_rates = [] - for nr, counter in enumerate(radio_data['counters']): - radio_rate = get_rate("juniper_trpz_aps_sessions.%s.%s.%d" \ - % (item, radio_number, nr), now, counter) - radio_rates.append(radio_rate) - ap_rates[nr] += radio_rate - - infotext = ("Radio %s: Input: %s/s, Output: %s/s, " + \ - "%d errors, %d resets, %d retries, %d sessions, noise: %d dBm") % \ - ( radio_number, - get_bytes_human_readable(radio_rates[5]), - get_bytes_human_readable(radio_rates[1] + radio_rates[3]), - radio_rates[6], radio_rates[7], radio_rates[8], - radio_data['sessions'], radio_data['noise_floor'] ) - - yield 0, infotext + for node, ap_data in data.items(): + node_info = "" + if node is not None: + node_info += "[%s] " % node + + state, state_readable = ap_states[ap_data['status']] + infotexts.append("%sStatus: %s" % (node_info, state_readable)) + + for radio_number, radio_data in ap_data['radios'].items(): + try: + radio_data_noise_floor = int(radio_data['noise_floor']) + noise_floor_radios.append(radio_data_noise_floor) + except: + radio_data_noise_floor = "None" + + try: + radio_data_sessions = int(radio_data['sessions']) + ap_sessions += radio_data_sessions + except: + radio_data_sessions = "None" + + radio_rates = [0, 0, 0, 0, 0, 0, 0, 0, 0] + for nr, counter in enumerate(radio_data['counters']): + try: + radio_rate = get_rate("juniper_trpz_aps_sessions.%s.%s.%d" \ + % (item, radio_number, nr), now, int(counter)) + radio_rates.append(radio_rate) + ap_rates[nr] += radio_rate + except: + pass + + infotexts.append(("Radio %s: Input: %s/s, Output: %s/s, " + \ + "Errors: %d, Resets: %d, Retries: %d, Sessions: %s, Noise: %s dBm") % \ + ( radio_number, + get_bytes_human_readable(radio_rates[5]), + get_bytes_human_readable(radio_rates[1] + radio_rates[3]), + radio_rates[6], radio_rates[7], radio_rates[8], + radio_data_sessions, radio_data_noise_floor )) perfdata = [ ("if_out_unicast", ap_rates[0]), @@ -146,11 +161,15 @@ def check_juniper_trpz_aps_sessions(item, _no_params, parsed): ("wlan_physical_errors", ap_rates[6]), ("wlan_resets", ap_rates[7]), ("wlan_retries", ap_rates[8]), - ("total_sessions", ap_sessions), - ("noise_floor", max(noise_floor_radios)), - ] + ("total_sessions", ap_sessions), ] + if noise_floor_radios: + perfdata.append(("noise_floor", max(noise_floor_radios))) + + yield state, ", ".join(infotexts) + return - yield 0, "", perfdata + else: + yield 1, "Access point not reachable" check_info["juniper_trpz_aps_sessions"] = {