mca-dump-short script issue

[commando768594]

Hi, Thanks for the hard working on this template, it is great one. I have a Zabbix 6.0LTS environment to monitor Unifi APs, I installed this template without any problem. But the mca-dump-short.sh script sometime will give the error. Here for examples run this script manually,

$ /usr/lib/zabbix/externalscripts/mca-dump-short.sh -d AP_address -u admin -i /home/zabbix/.ssh/zabbix/ -t AP -o 15

{ "at":"14:24:59", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radio_table | map(select(.athstats.cu_total>0)) | length>0 ) ", "device":"AP_address", "mcaDumpError":"Error" }

sometime, it returns the error immediately, sometime it returns the correct long values.

I checked Zabbix server log, there are lot error to all APs.

4087107:20230328:142756.565 item "AP_address:mca-dump-short.sh["-d","{HOST.CONN}", "-P", "{$UNIFI_SSH_PORT}", "-u", "{$UNIFI_USER}", "-i", "{$UNIFI_SSH_PRIV_KEY_PATH}", "-t", "AP", "-p", "{$UNIFI_SSHPASS_PASSWORD_PATH}", "-o", "{$UNIFI_CHECK_TIMEOUT}","-b"]" became not supported: Preprocessing failed for: { "at":"14:27:55", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radi...

4087107:20230328:143255.908 error reason for "AP_address:mca-dump-short.sh["-d","{HOST.CONN}", "-P", "{$UNIFI_SSH_PORT}", "-u", "{$UNIFI_USER}", "-i", "{$UNIFI_SSH_PRIV_KEY_PATH}", "-t", "AP", "-p", "{$UNIFI_SSHPASS_PASSWORD_PATH}", "-o", "{$UNIFI_CHECK_TIMEOUT}","-b"]" changed: Preprocessing failed for: { "at":"14:32:55", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radi...

Please advice, where is the problem.

Thanks!

[patricegautier]

What kind of AP is it and which fw?

[commando768594]

Hi, I am using UAP-AC-Pro, v6.2.35 UAP-AC-HD, v6.2.39

Like I said, it can return correct/long value sometime, this problem happens to all APs during working time.

[patricegautier]

does it get any better if you give it a bigger timeout value for -o, say 30?

[commando768594]

does it get any better if you give it a bigger timeout value for -o, say 30?

Hi, No, it is same if I set the timeout value to 30s, it is the max one for Zabbix poller. In fact, I will get the error with 2 secs when I tried it from zabbix server manually.

[patricegautier]

Actually I just see your comment that it returns the error immediately.. I think this could mean the AP is too busy to collect values and report. Anything interesting on your zabbix server in /tmp/mcaDumpShort.log or .err?

[patricegautier]

Also, are you on the latest version on the templates? I did put some effort into catching the errors into zabbix and not polluting the logs at least..

[commando768594]

g interest

Oh, I have a big file, mcaDumpShort.err there. File size already >1G. When I found out the template new version, I deleted old one in Zabbix server, and imported it again. I think I can try again.

Here is few/newest error info in the file, I think I find the strange line, why did it say "Unable to resolve (http://unifi:8080/inform)"?

=================================================

Wed 29 Mar 2023 02:20:36 PM CST AP1 { "at":"14:20:36", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radio_table | map(select(.athstats.cu_total>0)) | length>0 ) ", "device":"AP1", "mcaDumpError":"Error" }\n { "anon_id": "dce03194-2ecf-44ac-8455-90cc7ee42d8f", "antenna_table": [ { "default": true, "id": 4, "name": "Combined", "wifi0_gain": 3, "wifi1_gain": 3 } ], "architecture": "mips", "board_rev": 26, "bootid": 1, "bootrom_version": "unifi-v2.0.9.307-gd60f380a", "cfgversion": "943ee365b1081122", "connect_request_ip": "x.x.x.x", "connect_request_port": "50255", "countrycode_table": [], "default": false, "discovery_response": false, "dualboot": true, "ever_crash": false, "guest_kicks": 0, "guest_token": "2CE5C3169301D9BA36A4ED6287ABFCD6", "hash_id": "c45590cc7ee42d8f", "hostname": "AP1", "inform_as_notif": true, "inform_min_interval": 5, "inform_url": "http://my_unifi_server_ip:8080/inform", "ip": "x.x.x.x", "isolated": false, "kernel_version": "4.4.153", "last_error_conns": [ { "errorreason": 1, **"last_errorstr": "Unable to resolve (http://unifi:8080/inform)",** "last_managed_e_time": 558556, "last_managed_s_time": 558088, "timestamp": "Wed Mar 29 10:30:20 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 558556, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:38:31 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:39:48 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:40:29 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:44:05 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:45:19 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:00 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:36 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:41 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559585, "timestamp": "Wed Mar 29 13:32:47 2023" } ], "locating": false, "mac": "fc:ec:da:f0:bc:2a", "manufacturer_id": 4, "model": "U7PG2", "model_display": "UAP-AC-Pro-Gen2", "netmask": "x.x.x.x", "notif_payload": { "assoc_status": "0", "auth_ts": "572391.735361", "event_id": "1", "event_type": "failure", "mac": "ee:cd:b0:77:x:x", "message_type": "STA_ASSOC_TRACKER", "vap": "ath3" }, "notif_reason": "event", "required_version": "3.4.1", "selfrun_beacon": true, "serial": "FCECDAF0BC2A", "state": 2, "sys_error_caps": 0, "time": 1680070835, "uptime": 572413, "version": "6.2.35.14043"

[patricegautier]

Oh, I have a big file, mcaDumpShort.err there. File size already >1G.

Ooh boy I need to make sure it never gets that big.. I’ll do something about that.

On the error in in the json it looks like there might be is a DNS issue on the AP

"last_error_str": "Unable to resolve (http://unifi:8080/inform)",

Is that AP correctly connecting to its controller?

In any case, It looks to me the script is correct in throwing a validation error..

-P

On Mar 28, 2023, at 11:30 PM, commando768594 @.***> wrote:

g interest

Oh, I have a big file, mcaDumpShort.err there. File size already >1G. When I found out the template new version, I deleted old one in Zabbix server, and imported it again. I think I can try again.

Here is few/newest error info in the file, I think I find the strange line, why did it say "Unable to resolve (http://unifi:8080/inform)"?

=================================================

Wed 29 Mar 2023 02:20:36 PM CST AP1 { "at":"14:20:36", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radio_table | map(select(.athstats.cu_total>0)) | length>0 ) ", "device":"AP1", "mcaDumpError":"Error" }\n { "anon_id": "dce03194-2ecf-44ac-8455-90cc7ee42d8f", "antenna_table": [ { "default": true, "id": 4, "name": "Combined", "wifi0_gain": 3, "wifi1_gain": 3 } ], "architecture": "mips", "board_rev": 26, "bootid": 1, "bootrom_version": "unifi-v2.0.9.307-gd60f380a", "cfgversion": "943ee365b1081122", "connect_request_ip": "x.x.x.x", "connect_request_port": "50255", "countrycode_table": [], "default": false, "discovery_response": false, "dualboot": true, "ever_crash": false, "guest_kicks": 0, "guest_token": "2CE5C3169301D9BA36A4ED6287ABFCD6", "hash_id": "c45590cc7ee42d8f", "hostname": "AP1", "inform_as_notif": true, "inform_min_interval": 5, "inform_url": "http://my_unifi_server_ip:8080/inform", "ip": "x.x.x.x", "isolated": false, "kernel_version": "4.4.153", "last_error_conns": [ { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 558556, "last_managed_s_time": 558088, "timestamp": "Wed Mar 29 10:30:20 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 558556, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:38:31 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:39:48 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 558607, "timestamp": "Wed Mar 29 10:40:29 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559164, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:44:05 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:45:19 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:00 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:36 2023" }, { "error_reason": 1, "last_error_str": "Unable to resolve (http://unifi:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559241, "timestamp": "Wed Mar 29 10:46:41 2023" }, { "error_reason": 4, "last_error_str": "Timeout (http://my_unifi_server_ip:8080/inform)", "last_managed_e_time": 559496, "last_managed_s_time": 559585, "timestamp": "Wed Mar 29 13:32:47 2023" } ], "locating": false, "mac": "fc:ec:da:f0:bc:2a", "manufacturer_id": 4, "model": "U7PG2", "model_display": "UAP-AC-Pro-Gen2", "netmask": "x.x.x.x", "notif_payload": { "assoc_status": "0", "auth_ts": "572391.735361", "event_id": "1", "event_type": "failure", "mac": "ee💿b0:77❌x", "message_type": "STA_ASSOC_TRACKER", "vap": "ath3" }, "notif_reason": "event", "required_version": "3.4.1", "selfrun_beacon": true, "serial": "FCECDAF0BC2A", "state": 2, "sys_error_caps": 0, "time": 1680070835, "uptime": 572413, "version": "6.2.35.14043"

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[commando768594]

Hi, The AP connected to the controller correctly, in the .err file, there are something about my correct controller address.. But I found where is "http://unifi", It comes from the mca-dump cmd output.

I will check how to fix this. :)

"last_error_str": "Unable to resolve (http://unifi:8080/inform)",