munin-node-configure does not support snmp v3

[janl]

Munin 1.4.0's Munin::Plugin::SNMP supports SNMP v3 and thus all plugins ported to this also supports SNMP v3. But munin-node-configure does not support this yet.

[janl]

Workaround: Discover with version 2? :I We plan to fix this, not by 1.4.0 though.

[ligne]

this is implemented in trunk (as of r3590). brief testing suggests it mostly works.

it adds new links with a snmp_, not snmpv3_ prefix. this is because some plugins contain their own, obsolete versions of M::P::SNMP::config_session() that can't cope with the latter form:

2010/05/12-13:24:21 Munin::Node::Server (type Net::Server::Fork) starting! pid(19237)
Binding to TCP port 4948 on host *
Setting gid to "451 451"
2010/05/12-13:24:21 [19237] Error output from snmpv3_localhost_df:
2010/05/12-13:24:21 [19237] 	# Error: couldn't understand what I'm supposed to monitor.
2010/05/12-13:24:21 [19237] Service 'snmpv3_localhost_df' exited with status 255/0.

--remove-also is also broken (tries to replace snmpv3_* with corresponding snmp_*), though i think that's easily fixed. will experiment later.

the new option flags still need documenting, and possibly greater thought into what they should be called.

[ligne]

i've (finally) added some documentation in r3891.