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# ============LICENSE_START=======================================================
# Copyright (c) 2019-2021 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
import os
import pytest
import unittest
import snmptrapd
import datetime
import json
import trapd_settings as tds
import trapd_runtime_pid
import trapd_io
import sys
from pathlib import Path
class test_trapd_io(unittest.TestCase):
"""
Test the save_pid mod
"""
tds.c_config = json.loads(
'{ "snmptrapd": { "version": "1.4.0", "title": "ONAP SNMP Trap Receiver" }, "protocols": { "transport": "udp", "ipv4_interface": "0.0.0.0", "ipv4_port": 6162, "ipv6_interface": "::1", "ipv6_port": 6162 }, "cache": { "dns_cache_ttl_seconds": 60 }, "publisher": { "http_timeout_milliseconds": 1500, "http_retries": 3, "http_milliseconds_between_retries": 750, "http_primary_publisher": "true", "http_peer_publisher": "unavailable", "max_traps_between_publishes": 10, "max_milliseconds_between_publishes": 10000 }, "streams_publishes": { "sec_fault_unsecure": { "type": "message_router", "aaf_password": null, "dmaap_info": { "location": "mtl5", "client_id": null, "client_role": null, "topic_url": "http://localhost:3904/events/ONAP-COLLECTOR-SNMPTRAP" }, "aaf_username": null } }, "files": { "runtime_base_dir": "/tmp/opt/app/snmptrap", "log_dir": "logs", "data_dir": "data", "pid_dir": "tmp", "arriving_traps_log": "snmptrapd_arriving_traps.log", "snmptrapd_diag": "snmptrapd_prog_diag.log", "traps_stats_log": "snmptrapd_stats.csv", "perm_status_file": "snmptrapd_status.log", "eelf_base_dir": "/tmp/opt/app/snmptrap/logs", "eelf_error": "error.log", "eelf_debug": "debug.log", "eelf_audit": "audit.log", "eelf_metrics": "metrics.log", "roll_frequency": "day", "minimum_severity_to_log": 2 }, "trap_config": { "sw_interval_in_seconds": 60, "notify_oids": { ".1.3.6.1.4.1.9.0.1": { "sw_high_water_in_interval": 102, "sw_low_water_in_interval": 7, "category": "logonly" }, ".1.3.6.1.4.1.9.0.2": { "sw_high_water_in_interval": 101, "sw_low_water_in_interval": 7, "category": "logonly" }, ".1.3.6.1.4.1.9.0.3": { "sw_high_water_in_interval": 102, "sw_low_water_in_interval": 7, "category": "logonly" }, ".1.3.6.1.4.1.9.0.4": { "sw_high_water_in_interval": 10, "sw_low_water_in_interval": 3, "category": "logonly" } } }, "snmpv3_config": { "usm_users": [ { "user": "usr-sha-aes256", "engineId": "8000000001020304", "usmHMACSHAAuth": "authkey1", "usmAesCfb256": "privkey1" }, { "user": "user1", "engineId": "8000000000000001", "usmHMACMD5Auth": "authkey1", "usmDESPriv": "privkey1" }, { "user": "user2", "engineId": "8000000000000002", "usmHMACSHAAuth": "authkey2", "usmAesCfb128": "privkey2" }, { "user": "user3", "engineId": "8000000000000003", "usmHMACSHAAuth": "authkey3", "usmAesCfb256": "privkey3" } ] } }'
)
def test_roll_all_files_notopen(self):
"""
Test rolling files that aren't open
"""
# try to roll logs when not open
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.roll_all_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_open_eelf_error_file(self):
"""
Test bad error file location
"""
# open eelf error logs
tds.c_config["files.eelf_error"] = "/bad_dir/error.log"
# try to open file in non-existent dir
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_eelf_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_open_eelf_debug_file(self):
"""
Test bad debug file location
"""
# open eelf debug logs
tds.c_config["files.eelf_debug"] = "/bad_dir/debug.log"
# try to open file in non-existent dir
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_eelf_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_open_eelf_audit_file(self):
"""
Test bad audit file location
"""
# open eelf debug logs
tds.c_config["files.eelf_audit"] = "/bad_dir/audit.log"
# try to open file in non-existent dir
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_eelf_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_open_eelf_metrics_file(self):
"""
Test bad metrics file location
"""
# open eelf debug logs
tds.c_config["files.eelf_metrics"] = "/bad_dir/metrics.log"
# try to open file in non-existent dir
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_eelf_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_roll_all_logs(self):
"""
Test roll of logs when not open
"""
# try to roll logs when not open
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.roll_all_logs()
assert pytest_wrapped_exception.type == SystemExit
def test_roll_file(self):
"""
Test roll of individual file when not present
"""
# try to roll logs when not open
result = trapd_io.roll_file("/file/not/present")
self.assertEqual(result, False)
def test_roll_file_no_write_perms(self):
"""
try to roll logs when not enough perms
"""
no_perms_dir = "/tmp/opt/app/snmptrap/no_perms"
no_perms_file = "test.dat"
no_perms_fp = no_perms_dir + "/" + no_perms_file
# required directory tree
try:
Path(no_perms_dir).mkdir(parents=True, exist_ok=True)
os.chmod(no_perms_dir, 0o777)
except Exception as e:
print("Error while running %s : %s" % (os.path.basename(__file__), str(e.strerror)))
sys.exit(1)
# create empty file
open(no_perms_fp, "a").close()
os.chmod(no_perms_dir, 0o444)
result = trapd_io.roll_file(no_perms_fp)
self.assertEqual(result, False)
# try to roll file in dir with no write perms
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_file(no_perms_fp)
assert pytest_wrapped_exception.type == SystemExit
def test_open_file_exists(self):
"""
Test file open in directory present
"""
# create copy of snmptrapd.json for pytest
test_file = "/tmp/snmptrap_pytest"
# try to roll logs when not open
result = trapd_io.open_file(test_file)
compare = str(result).startswith("<_io.TextIOWrapper name=")
self.assertEqual(compare, True)
def test_open_file_exists_does_not_exist(self):
"""
Test file open in directory present
"""
# create copy of snmptrapd.json for pytest
test_file = "/tmp/no_such_dir/snmptrap_pytest"
# try to open file when dir not present
with pytest.raises(SystemExit) as pytest_wrapped_exception:
result = trapd_io.open_file(test_file)
assert pytest_wrapped_exception.type == SystemExit
def test_close_file_exists(self):
"""
Test closing a file that's present
"""
# create copy of snmptrapd.json for pytest
test_file_name = "/tmp/snmptrap_pytest"
test_file = trapd_io.open_file(test_file_name)
# close active file
result = trapd_io.close_file(test_file, test_file_name)
self.assertEqual(result, True)
def test_close_file_does_not_exists(self):
"""
Test closing non-existent file
"""
# try to roll logs when not open
result = trapd_io.close_file(None, None)
self.assertEqual(result, False)
if __name__ == "__main__":
unittest.main()
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