And bear in mind that on RHEL/CentOS systems, SELinux may also be a factor
(especially if permissions otherwise all appear to be OK)
On Wednesday, 31 May 2023 at 23:12:24 UTC+1 Daniel Swarbrick wrote:
> This is a simple filesystem permissions issue, as you can see by these two
> log messages:
>
> May 26 07:09:35 grafana prometheus[43908]: ts=2023-05-26T07:09:35.475Z
> caller=query_logger.go:113 level=error component=activeQueryTracker
> msg="Failed to create directory for logging active queries"
> May 26 07:09:35 grafana prometheus[43908]: ts=2023-05-26T07:09:35.475Z
> caller=query_logger.go:91 level=error component=activeQueryTracker
> msg="Error opening query log file" file=/var/lib/prometheus/queries.active
> err="open /var/lib/prometheus/queries.active: no such file or directory"
>
> Make sure that either /var/lib/prometheus already exists and is writable
> by the process, or that /var/lib is writable by the process (so that it can
> create the prometheus directory itself).
> On Wednesday, May 31, 2023 at 12:39:16 PM UTC+2 Gharbi abdelaziz wrote:
>
>> × prometheus.service - Prometheus
>> Loaded: loaded (/etc/systemd/system/prometheus.service; enabled;
>> preset: disabled)
>> Active: failed (Result: exit-code) since Fri 2023-05-26 07:09:35
>> UTC; 21min ago
>> Duration: 45ms
>> Process: 43908 ExecStart=/usr/local/bin/prometheus --config.file
>> /etc/prometheus/prometheus.yml --storage.tsdb.path /var/lib/prometheus/
>> --web.console.templates=/etc/prometheus/consoles
>> --web.console.libraries=/etc/prometheus/console_libraries (code=exited,
>> status=2)
>> Main PID: 43908 (code=exited, status=2)
>> CPU: 32ms
>>
>> May 26 07:09:35 grafana prometheus[43908]: ts=2023-05-26T07:09:35.475Z
>> caller=query_logger.go:113 level=error component=activeQueryTracker
>> msg="Failed to create directory for logging active queries"
>> May 26 07:09:35 grafana prometheus[43908]: ts=2023-05-26T07:09:35.475Z
>> caller=query_logger.go:91 level=error component=activeQueryTracker
>> msg="Error opening query log file" file=/var/lib/prometheus/queries.active
>> err="open /var/lib/prometheus/queries.active: no such file or directory"
>> May 26 07:09:35 grafana prometheus[43908]: panic: Unable to create
>> mmap-ed active query log
>> May 26 07:09:35 grafana prometheus[43908]: goroutine 1 [running]:
>> May 26 07:09:35 grafana prometheus[43908]:
>> github.com/prometheus/prometheus/promql.NewActiveQueryTracker({0x7ffe15a37e80
>>
>> <http://github.com/prometheus/prometheus/promql.NewActiveQueryTracker(%7B0x7ffe15a37e80>,
>>
>> 0x14}, 0x14, {0x38169e0, 0xc000805a90})
>> May 26 07:09:35 grafana prometheus[43908]:
>> /app/promql/query_logger.go:121 +0x3cd
>> May 26 07:09:35 grafana prometheus[43908]: main.main()
>> May 26 07:09:35 grafana prometheus[43908]:
>> /app/cmd/prometheus/main.go:597 +0x6713
>> May 26 07:09:35 grafana systemd[1]: prometheus.service: Main process
>> exited, code=exited, status=2/INVALIDARGUMENT
>> May 26 07:09:35 grafana systemd[1]: prometheus.service: Failed with
>> result 'exit-code'.
>>
>
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