From 3aa6d81a62505b6634930333cb7a3df4c4c53efa Mon Sep 17 00:00:00 2001
From: Erik Reid <erik.reid@geant.org>
Date: Thu, 27 Jun 2019 16:07:19 +0200
Subject: [PATCH] simpler method for retreiving snmp indexes
---
inventory_provider/snmp.py | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/inventory_provider/snmp.py b/inventory_provider/snmp.py
index a5a48b70..e7cc25a4 100644
--- a/inventory_provider/snmp.py
+++ b/inventory_provider/snmp.py
@@ -7,6 +7,18 @@ from pysnmp.smi import builder, compiler
# from pysnmp.smi import view, rfc1902
+OID_LIST = {
+ ## IPv4
+ 'v4Address': '.1.3.6.1.2.1.4.20.1.1',
+ 'v4InterfaceOID': '.1.3.6.1.2.1.4.20.1.2',
+ 'v4InterfaceName': '.1.3.6.1.2.1.31.1.1.1.1',
+ 'v4Mask': '.1.3.6.1.2.1.4.20.1.3',
+
+ ## IPv6
+ 'v6AddressAndMask' '.1.3.6.1.2.1.55.1.8.1.2'
+ 'v6InterfaceName': '.1.3.6.1.2.1.55.1.5.1.2'
+}
+
def _v6address_oid2str(dotted_decimal):
hex_params = []
for dec in re.split(r'\.', dotted_decimal):
@@ -78,6 +90,15 @@ def walk(agent_hostname, community, base_oid): # pragma: no cover
yield result
+def get_router_snmp_indexes(hostname, community):
+ indexes = {}
+ RFC1213_MIB_ifDesc = '1.3.6.1.2.1.2.2.1.2'
+ for ifc in walk(hostname, community, RFC1213_MIB_ifDesc):
+ m = re.match(r'.*\.(\d+)$', ifc['oid'])
+ assert m, 'sanity failure parsing oid: %r' % ifc['oid']
+ indexes[ifc['value']] = int(m.group(1))
+ return indexes
+
def get_router_interfaces(hostname, community, config):
oid_map = config["oids"]
@@ -123,3 +144,10 @@ def get_router_interfaces(hostname, community, config):
"v6InterfaceName": v6IfcNames[m.group(1)],
"index": m.group(1)
}
+
+if __name__ == "__main__":
+ hostname = 'mx1.ams.nl.geant.net'
+ community = '0pBiFbD'
+ interfaces = get_router_snmp_indexes(hostname, community)
+ for name, index in interfaces.items():
+ print('%s: %s' % (name, index))
--
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