How to specify v3 credentials in generator? #976
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Could someone please provide an example of generator.yml for v3 with authentication? I'm trying to follow the readme but I get this error. This is the section I added to generator.yml auths:
adder:
version: 3
username: aim
security_level: authPriv
password: password
auth_protocol: SHA
priv_protocol: AES
priv_password: password
modules:
adder:
walk:
- 1.3.6.1.4.1.25119
- sysUpTimeAnd this is what the generated snmp.yml looks like: auths:
adder:
community: public
security_level: authPriv
username: aim
password: password
auth_protocol: SHA
priv_protocol: AES
priv_password: password
version: 3
modules:
adder:
walk:
- 1.3.6.1.4.1.25119
get:
- 1.3.6.1.2.1.1.3.0
metrics:
- name: sysUpTime
oid: 1.3.6.1.2.1.1.3
type: gauge
help: The time (in hundredths of a second) since the network management portion
of the system was last re-initialized. - 1.3.6.1.2.1.1.3
- name: deviceIndex
oid: 1.3.6.1.4.1.25119.1.1.1.1
type: gauge
help: d_id from the 'device' tuple - 1.3.6.1.4.1.25119.1.1.1.1
indexes:
- labelname: deviceIndex
type: gauge
...<truncated>...Host operating system: output of
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Answered by
dswarbrick
Oct 13, 2023
Replies: 14 comments 10 replies
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You are trying to use the new (breaking change) config syntax for v0.23.0+ (currently unreleased), whilst running snmp_exporter v0.22.0. Either upgrade to v0.23.0-rc.1, or use the config syntax as described in https://github.com/prometheus/snmp_exporter/blob/v0.22.0/generator/README.md. |
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0 replies
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Thank you, that's very helpful. |
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4 replies
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if use snmp v3,could we diretly edit default snmp.yml,why need rebuilding generator? |
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I don’t understand your question. You can edit snmp.yml directly if you want, but the generator makes it much easier. |
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Please do not necro-post spam asking your question over and over. If you continue to do this you will be banned. You asked your question in |
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Unfortunately, the generator depends on linking C libraries. Specifically libsnmp. This means we would have to target various distribution versions. I've played around with trying to statically compile these in, but haven't had much success. |
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1 reply
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BTW there is issue #223 for this. The incantation required to get static binaries from cgo keeps changing, and the underlying issue still hasn't been addressed in go itself: golang/go#26492 |
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@llamafilm The Ubuntu (and Debian) package prometheus-snmp-exporter includes a prometheus-snmp-generator binary. Even if you opt to use a newer snmp_exporter (up to and including v0.22.0), the config generated by a recent-ish prometheus-snmp-generator should be compatible. |
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0 replies
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Thanks @dswarbrick. I tried installing from the Ubuntu repo, but it fails to generate. Perhaps because it needs to run I have copied the MIB file into /usr/share/snmp/mibs/ but the |
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0 replies
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@llamafilm Follow the instructions in I highly recommend stripping back the You may also need to adjust your |
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0 replies
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Thank you, that explains it! I tried |
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0 replies
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I'm facing same problem, I need snmp v3 for proper snmp_exporter walk through some network devices. So only way is to wait till 0.23 snmp_exporter will be released. Is there any schedule plan of this? |
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1 reply
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I also want to use snmpv3,how to set ,how to config |
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v0.23.0 has a release candidate available on the releases page. |
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0 replies
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How should I specify more auths in one When I generate |
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0 replies
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I've tried to manage it by myself, and it looks, that more auths method is not possible. Especially v2 and v3 together. result: not possible Two same public_v2 names TEST2: result: snmp_exporter uses auth=public_v2 why?? |
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0 replies
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@tom-i SNMPv3 has been supported by snmp_exporter since v0.0.6. |
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0 replies
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Because you did not specify which auth to use on the request. |
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1 reply
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@tom-i: see #984 (comment) |
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Trying to migrate to the new syntax now and I'm confused by the documentation. Here's my generator: auths:
public_v2:
version: 2
community: customsnmp
modules:
roomalert:
walk:
- 1.3.6.1.4.1.20916.1.11.1.2.1This causes error: Is the |
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3 replies
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The auth (public_v2, or whatever you define) needs to be specified as a param in the Prometheus scrape job. See the example in the main README.md. |
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Answer selected by
llamafilm
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Yes. The fact that you're getting an unmarshalling error suggests that you're trying to use the new YAML file format with an older version of snmp_exporter. |
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Thanks. Yeah that’s exactly what I was doing. I got it working now. |
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The auth (public_v2, or whatever you define) needs to be specified as a param in the Prometheus scrape job. See the example in the main README.md.