Hmm, maybe we should add an empty config check (no modules, no auths) to the startup.
On Fri, Jun 27, 2025 at 9:20 AM 'Brian Candler' via Prometheus Users < [email protected]> wrote: > You're not passing --config.file to snmp_exporter. > > Therefore it will only attempt to pick up a file called "snmp.yml" from > the working directory where it was started, and you can check that > directory using: > ls -l /proc/784/cwd > > But if that file doesn't exist, it will silently ignore the problem and > run with *no* configuration at all (which is pretty useless). That seems to > be the most likely thing that's happened here. > > On Thursday, 26 June 2025 at 17:49:48 UTC+1 Joel Djojotaroeno wrote: > >> rpbgintern2@rpbgintern:~$ ps auxwww | grep prometheus >> prometh+ 1823 0.2 0.8 1744528 105088 ? Ssl 14:31 0:21 >> /usr/local/bin/prometheus --config.file=/etc/prometheus/prometheus.yml >> --storage.tsdb.path=/var/lib/prometheus/ >> rpbgint+ 1942 0.0 0.0 6612 2396 pts/0 S+ 16:47 0:00 grep >> --color=auto prometheus >> >> rpbgintern2@rpbgintern:~$ ps auxwww | grep snmp_exporter >> rpbgint+ 787 0.0 0.1 1239076 12976 ? Ssl 11:24 0:04 >> /home/rpbgintern2/snmp_exporter-0.26.0.linux-amd64/snmp_exporter >> --web.listen-address=172.27.136.2:9116 >> rpbgint+ 1944 0.0 0.0 6612 2388 pts/0 S+ 16:48 0:00 grep >> --color=auto snmp_exporter >> >> I must specify that i'm only using snmp v1. >> >> On Thursday, June 26, 2025 at 12:43:04 PM UTC-3 Brian Candler wrote: >> >>> On Thursday, 26 June 2025 at 15:42:36 UTC+1 Joel Djojotaroeno wrote: >>> >>> I have two prometheus.yml files: >>> /home/rpbgintern2/prometheus.yml >>> /etc/prometheus/prometheus.yml >>> >>> And two snmp.yml files: >>> /home/rpbgintern2/snmp_exporter-0.26.0.linux-amd64/snmp.yml >>> /home/rpbgintern2/snmp/snmp.yml >>> >>> I don't know if multiple yml files are causing this error. >>> >>> >>> No. But you do need to work out which is being used. >>> >>> This depends on how you are starting the services. Are you using systemd >>> services perhaps? >>> >>> If you're not sure, then use >>> ps auxwww | grep prometheus >>> ps auxwww | grep snmp_exporter >>> to see what flags you're running them with. >>> >>> For prometheus, the config file is specified by the --config.file >>> argument. If you don't specify it, it will read "prometheus.yml" in >>> whatever the current working directory is when prometheus is started. >>> >>> snmp_exporter also has a --config.file argument; I believe it defaults >>> to "snmp.yml" in the current working directory. It can be used with a >>> wildcard, e.g. '--config.file=/etc/prometheus/snmp.d/*.yml'. >>> This is very useful because you can provide multiple files: the supplied >>> snmp.yml, and then a separate file (say "auth.yml") with just your >>> site-specific authentication parameters. For example: >>> >>> auths: >>> test_v2: >>> version: 2 >>> community: Testing123 >>> >>> test_v3: >>> version: 3 >>> security_level: authNoPriv >>> username: admin >>> auth_protocol: SHA >>> password: Testing123 >>> >>> test_v3_priv: >>> version: 3 >>> security_level: authPriv >>> username: admin >>> auth_protocol: SHA >>> password: Testing123 >>> priv_protocol: AES >>> priv_password: VerySecret >>> >>> If you're polling snmp_exporter with parameter public_v1, then this auth >>> needs to be defined. The supplied snmp.yml does define this, so perhaps >>> your snmp_exporter is not picking up *any* configuration files? That will >>> be down to the --config.file parameter you may or may not be passing. >>> >>> Either that, or there's a typo somewhere. I note that your error message >>> complains about "public_v1_'' with a trailing underscore. >>> >> -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/prometheus-users/9421905d-63ab-4413-adca-5f781b62d1bdn%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/9421905d-63ab-4413-adca-5f781b62d1bdn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/prometheus-users/CABbyFmqrTXusoASYYJ%3D1nBVP24A0-C6ypAUYB%2BSr1kqRq0q8fQ%40mail.gmail.com.
