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diff --git a/admin/netsnmp-perl/README b/admin/netsnmp-perl/README new file mode 100644 index 0000000..f44eb5b --- /dev/null +++ b/admin/netsnmp-perl/README @@ -0,0 +1,111 @@ +SNMP support for HAProxy +Copyright 2007-2008 Krzysztof Piotr Oledzki <ole@ans.pl> + +Root OID: 1.3.6.1.4.1.29385.106 + +Files: + - README: this file + - haproxy.pl: Net-SNMP embedded perl module + - haproxy_backend.xml: Cacti snmp-query definition for backends + - haproxy_frontend.xml: Cacti snmp-query definition for frontends + +Install: + cp haproxy.pl /etc/snmp/ + grep -q "disablePerl false" /etc/snmp/snmpd.conf || echo "disablePerl false" >> /etc/snmp/snmpd.conf + echo "perl do '/etc/snmp/haproxy.pl';" >> /etc/snmp/snmpd.conf + +Supported commands: + - GET (snmpget, snmpbulkget): quite fast. + - GETNEXT (snmpwalk, snmpbulkwalk): not so fast as requires to transfer + and parse a lot of data during each step. Always use "get" instead of "walk" + if that's possible. + +Supported OIDs: + - 1.3.6.1.4.1.29385.106.1: get a variable from stats + Usage: 1.3.6.1.4.1.29385.106.1.$type.$field.$iid.$sid + + - type is one of: + 0) frontend + 1) backend + 2) server + + - field is one of: + 0..32) CSV format variable + 10001) index + 10002) unique name + + - iid is a proxy id + + - sid is a service id (sid): 0 for frontends and backends, >= 1 for servers + + - 1.3.6.1.4.1.29385.106.2: get a variable from info + Usage: 1.3.6.1.4.1.29385.106.2.$req.$varnr + + - req is one of: + 0) get variable name + 1) gat variable value + +Examples: + +- Get a list of frontends (type: 0) with status (field: 17): +$ snmpbulkwalk -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.1.0.17 +SNMPv2-SMI::enterprises.29385.106.1.0.17.1.0 = STRING: "OPEN" +SNMPv2-SMI::enterprises.29385.106.1.0.17.47.0 = STRING: "OPEN" + +- Get a list of backends (type: 1) with index (field: 10001): +$ snmpbulkwalk -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.1.1.10001 +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1.0 = STRING: "1.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1100.0 = STRING: "1100.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1101.0 = STRING: "1101.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1200.0 = STRING: "1200.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1201.0 = STRING: "1201.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1300.0 = STRING: "1300.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1400.0 = STRING: "1400.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1401.0 = STRING: "1401.0" +SNMPv2-SMI::enterprises.29385.106.1.1.10001.1500.0 = STRING: "1500.0" +(...) + +- Get a list of servers (type: 2) with unique name (field: 10002): +$ snmpbulkwalk -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.1.2.10002 +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1100.1001 = STRING: "backend1/s2" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1100.1002 = STRING: "backend1/s5" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1100.1003 = STRING: "backend1/s6" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1100.1012 = STRING: "backend1/s7" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1101.1001 = STRING: "backend2/s9" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1101.1002 = STRING: "backend2/s10" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1101.1003 = STRING: "backend2/s11" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1101.1012 = STRING: "backend2/s12" +SNMPv2-SMI::enterprises.29385.106.1.2.10002.1200.1001 = STRING: "backend3/s8" +(...) + +- Get a list of servers (type: 2) with weight (field: 18) in proxy 4300: +$ snmpbulkwalk -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.1.2.18.4300 +SNMPv2-SMI::enterprises.29385.106.1.2.18.4300.1001 = STRING: "40" +SNMPv2-SMI::enterprises.29385.106.1.2.18.4300.1002 = STRING: "25" +SNMPv2-SMI::enterprises.29385.106.1.2.18.4300.1003 = STRING: "40" +SNMPv2-SMI::enterprises.29385.106.1.2.18.4300.1012 = STRING: "80" + +- Get total sessions count (field: 7) in frontend (type: 1), sid.iid: 47.0 (proxy #47): +snmpget -c public -v2c 192.168.0.1 enterprises.29385.106.1.0.7.47.0 +SNMPv2-SMI::enterprises.29385.106.1.0.7.47.0 = STRING: "1014019" + +- Get a list of available variables (req: 0): +$ snmpbulkwalk -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.2.0 +SNMPv2-SMI::enterprises.29385.106.2.0.0 = STRING: "Name" +SNMPv2-SMI::enterprises.29385.106.2.0.1 = STRING: "Version" +SNMPv2-SMI::enterprises.29385.106.2.0.2 = STRING: "Release_date" +SNMPv2-SMI::enterprises.29385.106.2.0.3 = STRING: "Nbproc" +SNMPv2-SMI::enterprises.29385.106.2.0.4 = STRING: "Process_num" +SNMPv2-SMI::enterprises.29385.106.2.0.5 = STRING: "Pid" +SNMPv2-SMI::enterprises.29385.106.2.0.6 = STRING: "Uptime" +SNMPv2-SMI::enterprises.29385.106.2.0.7 = STRING: "Uptime_sec" +SNMPv2-SMI::enterprises.29385.106.2.0.8 = STRING: "Memmax_MB" +SNMPv2-SMI::enterprises.29385.106.2.0.9 = STRING: "Ulimit-n" +SNMPv2-SMI::enterprises.29385.106.2.0.10 = STRING: "Maxsock" +SNMPv2-SMI::enterprises.29385.106.2.0.11 = STRING: "Maxconn" +SNMPv2-SMI::enterprises.29385.106.2.0.12 = STRING: "CurrConns" + +- Get a variable (req: 1), varnr: 7 (Uptime_sec): +$ snmpget -c public -v2c 192.168.0.1 1.3.6.1.4.1.29385.106.2.1.7 +SNMPv2-SMI::enterprises.29385.106.2.1.7 = STRING: "18761" + |