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from __future__ import unicode_literals
import platform
import pytest
from ezsnmp.ez import (
snmp_get,
snmp_set,
snmp_set_multiple,
snmp_get_next,
snmp_get_bulk,
snmp_walk,
snmp_bulkwalk,
)
from ezsnmp.exceptions import (
EzSNMPError,
EzSNMPUnknownObjectIDError,
EzSNMPNoSuchObjectError,
EzSNMPNoSuchInstanceError,
EzSNMPNoSuchNameError,
)
def test_snmp_get_regular(sess_args):
res = snmp_get("sysDescr.0", **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_tuple(sess_args):
res = snmp_get(("sysDescr", "0"), **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_fully_qualified(sess_args):
res = snmp_get(".iso.org.dod.internet.mgmt.mib-2.system.sysDescr.0", **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_fully_qualified_tuple(sess_args):
res = snmp_get(
(".iso.org.dod.internet.mgmt.mib-2.system.sysDescr", "0"), **sess_args
)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_numeric(sess_args):
res = snmp_get(".1.3.6.1.2.1.1.1.0", **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_numeric_no_leading_dot(sess_args):
res = snmp_get("1.3.6.1.2.1.1.1.0", **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_numeric_tuple(sess_args):
res = snmp_get((".1.3.6.1.2.1.1.1", "0"), **sess_args)
assert platform.version() in res.value
assert res.oid == "sysDescr"
assert res.oid_index == "0"
assert res.snmp_type == "OCTETSTR"
def test_snmp_get_unknown(sess_args):
with pytest.raises(EzSNMPUnknownObjectIDError):
snmp_get("sysDescripto.0", **sess_args)
def test_snmp_v1_get_with_retry_no_such(sess_args):
res = snmp_get(["iso", "sysDescr.0", "iso"], retry_no_such=True, **sess_args)
assert res[0]
if sess_args["version"] == 1:
assert res[0].oid == "iso"
assert res[0].snmp_type == "NOSUCHNAME"
else:
assert res[0].snmp_type == "NOSUCHOBJECT"
assert res[1]
assert platform.version() in res[1].value
assert res[1].oid == "sysDescr"
assert res[1].oid_index == "0"
assert res[1].snmp_type == "OCTETSTR"
assert res[2]
if sess_args["version"] == 1:
assert res[2].oid == "iso"
assert res[2].snmp_type == "NOSUCHNAME"
else:
assert res[2].snmp_type == "NOSUCHOBJECT"
def test_snmp_get_invalid_instance(sess_args):
# Sadly, SNMP v1 doesn't distuingish between an invalid instance and an
# invalid object ID, instead it excepts with noSuchName
if sess_args["version"] == 1:
with pytest.raises(EzSNMPNoSuchNameError):
snmp_get("sysContact.1", **sess_args)
else:
res = snmp_get("sysContact.1", **sess_args)
assert res.snmp_type == "NOSUCHINSTANCE"
def test_snmp_get_invalid_instance_with_abort_enabled(sess_args):
# Sadly, SNMP v1 doesn't distuingish between an invalid instance and an
# invalid object ID, so it raises the same exception for both
if sess_args["version"] == 1:
with pytest.raises(EzSNMPNoSuchNameError):
snmp_get("sysContact.1", abort_on_nonexistent=True, **sess_args)
else:
with pytest.raises(EzSNMPNoSuchInstanceError):
snmp_get("sysContact.1", abort_on_nonexistent=True, **sess_args)
def test_snmp_get_invalid_object(sess_args):
if sess_args["version"] == 1:
with pytest.raises(EzSNMPNoSuchNameError):
snmp_get("iso", **sess_args)
else:
res = snmp_get("iso", **sess_args)
assert res.snmp_type == "NOSUCHOBJECT"
def test_snmp_get_invalid_object_with_abort_enabled(sess_args):
if sess_args["version"] == 1:
with pytest.raises(EzSNMPNoSuchNameError):
snmp_get("iso", abort_on_nonexistent=True, **sess_args)
else:
with pytest.raises(EzSNMPNoSuchObjectError):
snmp_get("iso", abort_on_nonexistent=True, **sess_args)
def test_snmp_get_next(sess_args):
res = snmp_get_next("nsCacheEntry", **sess_args)
assert res.oid == "nsCacheTimeout"
assert res.oid_index == "1.3.6.1.2.1.2.2"
assert int(res.value) >= 0
assert res.snmp_type == "INTEGER"
def test_snmp_get_next_numeric(sess_args):
res = snmp_get_next((".1.3.6.1.2.1.1.1", "0"), **sess_args)
assert res.oid == "sysObjectID"
assert res.oid_index == "0"
# .10 == Linux, .16 == macosx, .13 == win32, .255 == UNKNOWN
assert res.value.rsplit(".", 1)[0] == ".1.3.6.1.4.1.8072.3.2"
assert res.snmp_type == "OBJECTID"
def test_snmp_get_next_with_retry_no_such(sess_args):
res = snmp_get(["iso.9", "sysDescr.0", "iso.9"], retry_no_such=True, **sess_args)
assert res[0]
if sess_args["version"] == 1:
assert res[0].value == "NOSUCHNAME"
assert res[0].oid == "iso"
assert res[0].oid_index == "9"
assert res[0].snmp_type == "NOSUCHNAME"
else:
assert res[0].snmp_type == "NOSUCHOBJECT"
assert res[1]
assert platform.version() in res[1].value
assert res[1].oid == "sysDescr"
assert res[1].oid_index == "0"
assert res[1].snmp_type == "OCTETSTR"
assert res[2]
if sess_args["version"] == 1:
assert res[2].value == "NOSUCHNAME"
assert res[2].oid == "iso"
assert res[2].oid_index == "9"
assert res[2].snmp_type == "NOSUCHNAME"
else:
assert res[2].snmp_type == "NOSUCHOBJECT"
def test_snmp_get_next_end_of_mib_view(sess_args):
if sess_args["version"] == 1:
with pytest.raises(EzSNMPNoSuchNameError):
snmp_get_next(["iso.9", "sysDescr", "iso.9"], **sess_args)
else:
res = snmp_get_next(["iso.9", "sysDescr", "iso.9"], **sess_args)
assert res[0]
assert res[0].value == "ENDOFMIBVIEW"
assert res[0].oid == "iso.9"
assert res[0].snmp_type == "ENDOFMIBVIEW"
assert res[1]
assert platform.version() in res[1].value
assert res[1].oid == "sysDescr"
assert res[1].oid_index == "0"
assert res[1].snmp_type == "OCTETSTR"
assert res[2]
assert res[2].value == "ENDOFMIBVIEW"
assert res[2].oid == "iso.9"
assert res[2].snmp_type == "ENDOFMIBVIEW"
def test_snmp_get_next_unknown(sess_args):
with pytest.raises(EzSNMPUnknownObjectIDError):
snmp_get_next("sysDescripto.0", **sess_args)
def test_snmp_set_string(sess_args, request, reset_values):
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value != "my newer location"
assert res.snmp_type == "OCTETSTR"
success = snmp_set(("sysLocation", "0"), "my newer location", **sess_args)
assert success
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value == "my newer location"
assert res.snmp_type == "OCTETSTR"
def test_snmp_set_string_long_type(sess_args, reset_values):
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value != "my newer location"
assert res.snmp_type == "OCTETSTR"
success = snmp_set(
("sysLocation", "0"), "my newer location", "OCTETSTR", **sess_args
)
assert success
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value == "my newer location"
assert res.snmp_type == "OCTETSTR"
def test_snmp_set_string_short_type(sess_args, reset_values):
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value != "my newer location"
assert res.snmp_type == "OCTETSTR"
success = snmp_set(("sysLocation", "0"), "my newer location", "s", **sess_args)
assert success
res = snmp_get(("sysLocation", "0"), **sess_args)
assert res.oid == "sysLocation"
assert res.oid_index == "0"
assert res.value == "my newer location"
assert res.snmp_type == "OCTETSTR"
def test_snmp_set_integer(sess_args, reset_values):
success = snmp_set(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), 65, **sess_args)
assert success
res = snmp_get(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), **sess_args)
assert res.oid == "nsCacheTimeout"
assert res.oid_index == "1.3.6.1.2.1.2.2"
assert res.value == "65"
assert res.snmp_type == "INTEGER"
def test_snmp_set_integer_long_type(sess_args, reset_values):
success = snmp_set(
("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), 65, "INTEGER", **sess_args
)
assert success
res = snmp_get(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), **sess_args)
assert res.oid == "nsCacheTimeout"
assert res.oid_index == "1.3.6.1.2.1.2.2"
assert res.value == "65"
assert res.snmp_type == "INTEGER"
def test_snmp_set_integer_short_type(sess_args, reset_values):
success = snmp_set(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), 65, "i", **sess_args)
assert success
res = snmp_get(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), **sess_args)
assert res.oid == "nsCacheTimeout"
assert res.oid_index == "1.3.6.1.2.1.2.2"
assert res.value == "65"
assert res.snmp_type == "INTEGER"
def test_snmp_set_unknown(sess_args):
with pytest.raises(EzSNMPUnknownObjectIDError):
snmp_set("nsCacheTimeoooout", 1234, **sess_args)
def test_snmp_set_multiple(sess_args, reset_values):
res = snmp_get(["sysLocation.0", "nsCacheTimeout.1.3.6.1.2.1.2.2"], **sess_args)
assert res[0].value != "my newer location"
assert res[1].value != "162"
success = snmp_set_multiple(
[
("sysLocation.0", "my newer location"),
(("nsCacheTimeout", ".1.3.6.1.2.1.2.2"), 162),
],
**sess_args
)
assert success
res = snmp_get(["sysLocation.0", "nsCacheTimeout.1.3.6.1.2.1.2.2"], **sess_args)
assert res[0].value == "my newer location"
assert res[1].value == "162"
def test_snmp_get_bulk(sess_args):
if sess_args["version"] == 1:
with pytest.raises(EzSNMPError):
snmp_get_bulk(
[
"sysUpTime",
"sysORLastChange",
"sysORID",
"sysORDescr",
"sysORUpTime",
],
2,
8,
**sess_args
)
else:
res = snmp_get_bulk(
["sysUpTime", "sysORLastChange", "sysORID", "sysORDescr", "sysORUpTime"],
2,
8,
**sess_args
)
assert len(res) == 26
assert res[0].oid == "sysUpTimeInstance"
assert res[0].oid_index == ""
assert int(res[0].value) > 0
assert res[0].snmp_type == "TICKS"
assert res[4].oid == "sysORUpTime"
assert res[4].oid_index == "1"
assert int(res[4].value) >= 0
assert res[4].snmp_type == "TICKS"
def test_snmp_walk(sess_args):
res = snmp_walk("system", **sess_args)
assert len(res) >= 7
assert platform.version() in res[0].value
assert res[3].value == "G. S. Marzot <gmarzot@marzot.net>"
assert res[4].value == platform.node()
assert res[5].value == "my original location"
def test_snmp_walk_res(sess_args):
res = snmp_walk("system", **sess_args)
assert len(res) >= 7
assert res[0].oid == "sysDescr"
assert res[0].oid_index == "0"
assert platform.version() in res[0].value
assert res[0].snmp_type == "OCTETSTR"
assert res[3].oid == "sysContact"
assert res[3].oid_index == "0"
assert res[3].value == "G. S. Marzot <gmarzot@marzot.net>"
assert res[3].snmp_type == "OCTETSTR"
assert res[4].oid == "sysName"
assert res[4].oid_index == "0"
assert res[4].value == platform.node()
assert res[4].snmp_type == "OCTETSTR"
assert res[5].oid == "sysLocation"
assert res[5].oid_index == "0"
assert res[5].value == "my original location"
assert res[5].snmp_type == "OCTETSTR"
def test_snmp_walk_with_retry_no_such(sess_args):
res = snmp_walk(["iso.9"], retry_no_such=True, **sess_args)
# The above could trigger bug #162 as a PDU gets free'd by
# the Net-SNMP library, but since it was not passed by ref,
# it does not get set to NULL when leaving the function.
assert res == []
def test_snmp_bulkwalk_res(sess_args):
if sess_args["version"] == 1:
with pytest.raises(EzSNMPError):
snmp_bulkwalk("system", **sess_args)
else:
res = snmp_bulkwalk("system", **sess_args)
assert len(res) >= 7
assert res[0].oid == "sysDescr"
assert res[0].oid_index == "0"
assert platform.version() in res[0].value
assert res[0].snmp_type == "OCTETSTR"
assert res[3].oid == "sysContact"
assert res[3].oid_index == "0"
assert res[3].value == "G. S. Marzot <gmarzot@marzot.net>"
assert res[3].snmp_type == "OCTETSTR"
assert res[4].oid == "sysName"
assert res[4].oid_index == "0"
assert res[4].value == platform.node()
assert res[4].snmp_type == "OCTETSTR"
assert res[5].oid == "sysLocation"
assert res[5].oid_index == "0"
assert res[5].value == "my original location"
assert res[5].snmp_type == "OCTETSTR"
def test_snmp_walk_unknown(sess_args):
with pytest.raises(EzSNMPUnknownObjectIDError):
snmp_walk("systemo", **sess_args)
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