tobiko/tobiko/shell/files/_logs.py

111 lines
3.6 KiB
Python

# Copyright (c) 2020 Red Hat, Inc.
#
# 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.
from __future__ import absolute_import
import os
from tobiko.shell import files
from tobiko.shell import sh
from tobiko.openstack import topology
class LogFile(object):
def __init__(self, hostname, filename):
self.filename = filename
self.host = topology.get_openstack_node(hostname=hostname)
self._list_logfiles()
self.cmd = ''
self.found = []
def find(self, regex):
self._list_logfiles()
self.cmd = f"zgrep -Eh {regex}"
self.found = sh.execute(f'{self.cmd} {" ".join(self.logfiles)}',
ssh_client=self.host.ssh_client,
expect_exit_status=None,
sudo=True).stdout.split('\n')
try:
self.found.remove('')
except ValueError:
pass
return self.found
def find_new(self):
self._list_logfiles()
if not self.cmd:
err_msg = 'find_new() method can be only executed after find()'
raise files.LogParserError(message=err_msg)
tmp = sh.execute(f'{self.cmd} {" ".join(self.logfiles)}',
ssh_client=self.host.ssh_client,
expect_exit_status=None,
sudo=True).stdout.split('\n')
found = []
for log_string in tmp:
if log_string not in self.found and log_string != '':
found.append(log_string)
self.found.append(log_string)
return found
def _list_logfiles(self):
file_path, file_name = os.path.split(self.filename)
result = sh.execute(f'find {file_path} -name {file_name}*',
ssh_client=self.host.ssh_client,
expect_exit_status=None,
sudo=True)
self.logfiles = set(result.stdout.split('\n'))
if '' in self.logfiles:
self.logfiles.remove('')
if self.logfiles == []:
raise files.LogFileNotFound(filename=str(self.filename),
host=str(self.host.name))
class ClusterLogFile(object):
def __init__(self, filename):
self.filename = filename
self.hostnames = []
self.logfiles = []
def add_host(self, hostname):
if hostname in self.hostnames:
return
self.hostnames.append(hostname)
self.logfiles.append(LogFile(hostname, self.filename))
def add_group(self, group):
for host in topology.list_openstack_nodes(group=group):
self.add_host(host.name)
def find(self, regex):
for logfile in self.logfiles:
logfile.find(regex)
return self.found
def find_new(self):
new_lines = []
for logfile in self.logfiles:
new_lines += logfile.find_new()
return new_lines
@property
def found(self):
found = []
for logfile in self.logfiles:
found += logfile.found
return found