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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, Ivan Vanderbyl <ivan@app.io>
#
# This module is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: logentries
author: Ivan Vanderbyl
short_description: Module for tracking logs via logentries.com
description:
- Sends logs to LogEntries in realtime
version_added: "1.6"
options:
path:
description:
- path to a log file
required: true
state:
description:
- following state of the log
choices: [ 'present', 'absent' ]
required: false
default: present
notes:
- Requires the LogEntries agent which can be installed following the instructions at logentries.com
'''
EXAMPLES = '''
- logentries: path=/var/log/nginx/access.log state=present
- logentries: path=/var/log/nginx/error.log state=absent
'''
def query_log_status(module, le_path, path, state="present"):
""" Returns whether a log is followed or not. """
if state == "present":
rc, out, err = module.run_command("%s followed %s" % (le_path, path))
if rc == 0:
return True
return False
def follow_log(module, le_path, logs):
""" Follows one or more logs if not already followed. """
followed_count = 0
for log in logs:
if query_log_status(module, le_path, log):
continue
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = module.run_command([le_path, 'follow', log])
if not query_log_status(module, le_path, log):
module.fail_json(msg="failed to follow '%s': %s" % (log, err.strip()))
followed_count += 1
if followed_count > 0:
module.exit_json(changed=True, msg="followed %d log(s)" % (followed_count,))
module.exit_json(changed=False, msg="logs(s) already followed")
def unfollow_log(module, le_path, logs):
""" Unfollows one or more logs if followed. """
removed_count = 0
# Using a for loop incase of error, we can report the package that failed
for log in logs:
# Query the log first, to see if we even need to remove.
if not query_log_status(module, le_path, log):
continue
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = module.run_command([le_path, 'rm', log])
if query_log_status(module, le_path, log):
module.fail_json(msg="failed to remove '%s': %s" % (log, err.strip()))
removed_count += 1
if removed_count > 0:
module.exit_json(changed=True, msg="removed %d package(s)" % removed_count)
module.exit_json(changed=False, msg="logs(s) already unfollowed")
def main():
module = AnsibleModule(
argument_spec = dict(
path = dict(aliases=["name"], required=True),
state = dict(default="present", choices=["present", "followed", "absent", "unfollowed"])
),
supports_check_mode=True
)
le_path = module.get_bin_path('le', True, ['/usr/local/bin'])
p = module.params
# Handle multiple log files
logs = p["path"].split(",")
logs = filter(None, logs)
if p["state"] in ["present", "followed"]:
follow_log(module, le_path, logs)
elif p["state"] in ["absent", "unfollowed"]:
unfollow_log(module, le_path, logs)
# import module snippets
from ansible.module_utils.basic import *
main()
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