#!/usr/bin/python # -*- coding: utf-8 -*- # (c) 2013, Ivan Vanderbyl <ivan@app.io> # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['preview'], 'supported_by': 'community'} DOCUMENTATION = ''' --- module: logentries author: "Ivan Vanderbyl (@ivanvanderbyl)" short_description: Module for tracking logs via logentries.com description: - Sends logs to LogEntries in realtime options: path: description: - path to a log file required: true state: description: - following state of the log choices: [ 'present', 'absent' ] required: false default: present name: description: - name of the log required: false logtype: description: - type of the log required: false notes: - Requires the LogEntries agent which can be installed following the instructions at logentries.com ''' EXAMPLES = ''' # Track nginx logs - logentries: path: /var/log/nginx/access.log state: present name: nginx-access-log # Stop tracking nginx logs - logentries: path: /var/log/nginx/error.log state: absent ''' from ansible.module_utils.basic import AnsibleModule 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, name=None, logtype=None): """ 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) cmd = [le_path, 'follow', log] if name: cmd.extend(['--name', name]) if logtype: cmd.extend(['--type', logtype]) rc, out, err = module.run_command(' '.join(cmd)) 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 in case 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(required=True), state=dict(default="present", choices=["present", "followed", "absent", "unfollowed"]), name=dict(required=False, default=None, type='str'), logtype=dict(required=False, default=None, type='str', aliases=['type']) ), 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, name=p['name'], logtype=p['logtype']) elif p["state"] in ["absent", "unfollowed"]: unfollow_log(module, le_path, logs) if __name__ == '__main__': main()