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License
LICENSE.txt
Lastest release
version 30 on Jan 9th, 2014
https://secure.travis-ci.org/josegonzalez/beaver.png

System Message: WARNING/2 (<string>, line 2)

Explicit markup ends without a blank line; unexpected unindent.

Beaver

python daemon that munches on logs and sends their contents to logstash

Requirements
  • Python 2.6+
  • Optional zeromq support: install libzmq (brew install zmq or apt-get install libzmq-dev) and pyzmq (pip install pyzmq==2.1.11)
Installation

Using PIP:

From Github:

pip install git+git://github.com/josegonzalez/beaver.git#egg=beaver

From PyPI:

pip install beaver==30
Usage

usage:

beaver [-h] [-c CONFIG] [-C CONFD_PATH] [-d] [-D] [-f FILES [FILES ...]]
       [-F {json,msgpack,raw,rawjson,string}] [-H HOSTNAME] [-m {bind,connect}]
       [-l OUTPUT] [-p PATH] [-P PID]
       [-t {mqtt,rabbitmq,redis,sqs,stdout,tcp,udp,zmq}] [-v] [--fqdn]

optional arguments:

-h, --help            show this help message and exit
-c CONFIG, --configfile CONFIG
                      main beaver ini config file path
-C CONFD_PATH         ini config directory path
-d, --debug           enable debug mode
-D, --daemonize       daemonize in the background
-f FILES [FILES ...], --files FILES [FILES ...]
                      space-separated filelist to watch, can include globs
                      (*.log). Overrides --path argument
-F {json,msgpack,raw,rawjson,string}, --format {json,msgpack,raw,rawjson,string}
                      format to use when sending to transport
-H HOSTNAME, --hostname HOSTNAME
                      manual hostname override for source_host
-m {bind,connect}, --mode {bind,connect}
                      bind or connect mode
-l OUTPUT, --logfile OUTPUT, -o OUTPUT, --output OUTPUT
                      file to pipe output to (in addition to stdout)
-p PATH, --path PATH  path to log files
-P PID, --pid PID     path to pid file
-t {mqtt,rabbitmq,redis,stdout,tcp,udp,zmq}, --transport {mqtt,rabbitmq,redis,sqs,stdout,tcp,udp,zmq}
                      log transport method
-v, --version         output version and quit
--fqdn                use the machine's FQDN for source_host
Background

Beaver provides an lightweight method for shipping local log files to Logstash. It does this using redis, zeromq, tcp, udp, rabbit or stdout as the transport. This means you'll need a redis, zeromq, tcp, udp, amqp or stdin input somewhere down the road to get the events.

Events are sent in logstash's json_event format. Options can also be set as environment variables.

NOTE: the redis transport uses a namespace of logstash:beaver by default. You will need to update your logstash indexer to match this, or you may configure beaver to do otherwise.

Configuration File Options

Beaver can optionally get data from a configfile using the -c flag. This file is in ini format. Global configuration will be under the beaver stanza. The following are global beaver configuration keys with their respective meanings:

  • mqtt_host: Default localhost. Host for mosquitto
  • mqtt_port: Default 1883. Port for mosquitto
  • mqtt_clientid: Default mosquitto. Mosquitto client id
  • mqtt_keepalive: Default 60. mqtt keepalive ping
  • mqtt_topic: Default /logstash. Topic to publish to
  • rabbitmq_host: Defaults localhost. Host for RabbitMQ
  • rabbitmq_port: Defaults 5672. Port for RabbitMQ
  • rabbitmq_vhost: Default /
  • rabbitmq_username: Default guest
  • rabbitmq_password: Default guest
  • rabbitmq_queue: Default logstash-queue.
  • rabbitmq_exchange_type: Default direct.
  • rabbitmq_exchange_durable: Default 0.
  • rabbitmq_key: Default logstash-key.
  • rabbitmq_exchange: Default logstash-exchange.
  • redis_url: Default redis://localhost:6379/0. Redis URL
  • redis_namespace: Default logstash:beaver. Redis key namespace
  • sqs_aws_access_key: Can be left blank to use IAM Roles or AWS_ACCESS_KEY_ID environment variable (see: https://github.com/boto/boto#getting-started-with-boto)
  • sqs_aws_secret_key: Can be left blank to use IAM Roles or AWS_SECRET_ACCESS_KEY environment variable (see: https://github.com/boto/boto#getting-started-with-boto)
  • sqs_aws_region: Default us-east-1. AWS Region
  • sqs_aws_queue: SQS queue (must exist)
  • tcp_host: Default 127.0.0.1. TCP Host
  • tcp_port: Default 9999. TCP Port
  • udp_host: Default 127.0.0.1. UDP Host
  • udp_port: Default 9999. UDP Port
  • zeromq_address: Default tcp://localhost:2120. Zeromq URL
  • zeromq_hwm: Default None. Zeromq HighWaterMark socket option
  • zeromq_bind: Default bind. Whether to bind to zeromq host or simply connect

The following are used for instances when a TransportException is thrown - Transport dependent

  • respawn_delay: Default 3. Initial respawn delay for exponential backoff
  • max_failure: Default 7. Max failures before exponential backoff terminates

The following configuration keys are for SinceDB support. Specifying these will enable saving the current line number in an sqlite database. This is useful for cases where you may be restarting the beaver process, such as during a logrotate.

  • sincedb_path: Default None. Full path to an sqlite3 database. Will be created at this path if it does not exist. Beaver process must have read and write access

The following configuration keys are for building an SSH Tunnel that can be used to proxy from the current host to a desired server. This proxy is torn down when Beaver halts in all cases.

  • ssh_key_file: Default None. Full path to id_rsa key file
  • ssh_tunnel: Default None. SSH Tunnel in the format user@host:port
  • ssh_tunnel_port: Default None. Local port for SSH Tunnel
  • ssh_remote_host: Default None. Remote host to connect to within SSH Tunnel
  • ssh_remote_port: Default None. Remote port to connect to within SSH Tunnel

The following can also be passed via argparse. Argparse will override all options in the configfile, when specified.

  • format: Default json. Options [ json, msgpack, string ]. Format to use when sending to transport
  • files: Default files. Space-separated list of files to tail. (Comma separated if specified in the config file)
  • path: Default /var/log. Path glob to tail.
  • transport: Default stdout. Transport to use when log changes are detected
  • fqdn: Default False. Whether to use the machine's FQDN in transport output
  • hostname: Default None. Manually specified hostname
Examples

Example 1: Listen to all files in the default path of /var/log on standard out as json:

beaver

Example 2: Listen to all files in the default path of /var/log on standard out with msgpack:

beaver --format msgpack

Example 3: Listen to all files in the default path of /var/log on standard out as a string:

beaver --format string

Example 4: Sending logs from /var/log files to a redis list:

# /etc/beaver/conf
[beaver]
redis_url: redis://localhost:6379/0

# From the commandline
beaver  -c /etc/beaver/conf -t redis

Example 5: Zeromq listening on port 5556 (all interfaces):

# /etc/beaver/conf
[beaver]
zeromq_address: tcp://*:5556

# logstash indexer config:
input {
  zeromq {
    type => 'shipper-input'
    mode => 'client'
    topology => 'pushpull'
    address => 'tcp://shipperhost:5556'
  }
}
output { stdout { debug => true } }

# From the commandline
beaver  -c /etc/beaver/conf -m bind -t zmq

Example 6: Zeromq connecting to remote port 5556 on indexer:

# /etc/beaver/conf
[beaver]
zeromq_address: tcp://indexer:5556

# logstash indexer config:
input {
  zeromq {
    type => 'shipper-input'
    mode => 'server'
    topology => 'pushpull'
    address => 'tcp://*:5556'
  }
}
output { stdout { debug => true } }

# on the commandline
beaver -c /etc/beaver/conf -m connect -t zmq

Example 7: Real-world usage of Redis as a transport:

# in /etc/hosts
192.168.0.10 redis-internal

# /etc/beaver/conf
[beaver]
redis_url: redis://redis-internal:6379/0
redis_namespace: app:unmappable

# logstash indexer config:
input {
  redis {
    host => 'redis-internal'
    data_type => 'list'
    key => 'app:unmappable'
    type => 'app:unmappable'
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -f /var/log/unmappable.log -t redis

Example 8: RabbitMQ connecting to defaults on remote broker:

# /etc/beaver/conf
[beaver]
rabbitmq_host: 10.0.0.1

# logstash indexer config:
input { amqp {
    name => 'logstash-queue'
    type => 'direct'
    host => '10.0.0.1'
    exchange => 'logstash-exchange'
    key => 'logstash-key'
    exclusive => false
    durable => false
    auto_delete => false
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -t rabbitmq

Example 9: Read config from config.ini and put to stdout:

# /etc/beaver/conf:
; follow a single file, add a type, some tags and fields
[/tmp/somefile]
type: mytype
tags: tag1,tag2
add_field: fieldname1,fieldvalue1[,fieldname2,fieldvalue2, ...]

; follow all logs in /var/log except those with `messages` or `secure` in the name.
; The exclude tag must be a valid python regular expression.
[/var/log/*log]
type: syslog
tags: sys
exclude: (messages|secure)

; follow /var/log/messages.log and /var/log/secure.log using file globbing
[/var/log/{messages,secure}.log]
type: syslog
tags: sys

# From the commandline
beaver -c /etc/beaver/conf -t stdout

Example 10: TCP transport:

# /etc/beaver/conf
[beaver]
tcp_host: 127.0.0.1
tcp_port: 9999

# logstash indexer config:
input {
  tcp {
    type => 'shipper-input'
    host => '127.0.0.1'
    port => '9999'
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -t tcp

Example 11: UDP transport:

# /etc/beaver/conf
[beaver]
udp_host: 127.0.0.1
udp_port: 9999

# logstash indexer config:
input {
  udp {
    type => 'shipper-input'
    host => '127.0.0.1'
    port => '9999'
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -t udp

Example 12: SQS Transport:

# /etc/beaver/conf
[beaver]
sqs_aws_region: us-east-1
sqs_aws_queue: logstash-input
sqs_aws_access_key: <access_key>
sqs_aws_secret_key: <secret_key>

# logstash indexer config:
input {
  sqs {
    queue => "logstash-input"
    type => "shipper-input"
    format => "json_event"
    access_key => "<access_key>"
    secret_key => "<secret_key>"
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -t sqs

Example 13: [Raw Json Support](http://blog.pkhamre.com/2012/08/23/logging-to-logstash-json-format-in-nginx/:

beaver --format rawjson

Example 14: Mqtt transport using Mosquitto:

# /etc/beaver/conf
[beaver]
mqtt_client_id: 'beaver_client'
mqtt_topic: '/logstash'
mqtt_host: '127.0.0.1'
mqtt_port: '1318'
mqtt_keepalive: '60'

# logstash indexer config:
input {
  mqtt {
    host => '127.0.0.1'
    data_type => 'list'
    key => 'app:unmappable'
    type => 'app:unmappable'
  }
}
output { stdout { debug => true } }

# From the commandline
beaver -c /etc/beaver/conf -f /var/log/unmappable.log -t mqtt

Example 15: Sincedb support using and sqlite3 db

Note that this will require R/W permissions on the file at sincedb path, as Beaver will store the current line for a given filename/file id.:

# /etc/beaver/conf
[beaver]
sincedb_path: /etc/beaver/since.db

[/var/log/syslog]
type: syslog
tags: sys,main
sincedb_write_interval: 3 ; time in seconds

# From the commandline
beaver -c /etc/beaver/conf

Example 16: Loading stanzas from /etc/beaver/conf.d/* support:

# /etc/beaver/conf
[beaver]
format: json

# /etc/beaver/conf.d/syslog
[/var/log/syslog]
type: syslog
tags: sys,main

# /etc/beaver/conf.d/nginx
[/var/log/nginx]
format: rawjson
type: nginx
tags: nginx,server

# From the commandline
beaver -c /etc/beaver/conf -C /etc/beaver/conf.d

As you can see, beaver is pretty flexible as to how you can use/abuse it in production.

Todo
  • More documentation
  • <del>Use python threading + subprocess in order to support usage of yield across all operating systems</del>
  • <del>Fix usage on non-linux platforms - file.readline() does not work as expected on OS X. See above for potential solution</del>
  • More transports
  • <del>Ability to specify files, tags, and other metadata within a configuration file</del>
Caveats

When using copytruncate style log rotation, two race conditions can occur:

  1. Any log data written prior to truncation which beaver has not yet read and processed is lost. Nothing we can do about that.

  2. Should the file be truncated, rewritten, and end up being larger than the original file during the sleep interval, beaver won't detect this. After some experimentation, this behavior also exists in GNU tail, so I'm going to call this a "don't do that then" bug :)

    Additionally, the files beaver will most likely be called upon to watch which may be truncated are generally going to be large enough and slow-filling enough that this won't crop up in the wild.

When you get an error similar to ImportError: No module named _sqlite3 your python seems to miss the sqlite3-module. This can be the case on FreeBSD and probably other systems. If so, use the local package manager or port system to build that module. On FreeBSD:

cd /usr/ports/databases/py-sqlite3
sudo make install clean
Credits

Based on work from Giampaolo and Lusis:

Real time log files watcher supporting log rotation.

Original Author: Giampaolo Rodola' <g.rodola [AT] gmail [DOT] com>
http://code.activestate.com/recipes/577968-log-watcher-tail-f-log/

License: MIT

Other hacks (ZMQ, JSON, optparse, ...): lusis
Changelog
30 (2013-08-22)
  • Use os._exit over sys.exit in signal handlers to quit cleanly. [Kristian Glass]

    As per http://thushw.blogspot.co.uk/2010/12/python dont use sysexit inside signal.html the use of sys.exit inside the signal handlers means that a SystemExit exception is raised (http://docs.python.org/2/library/sys.html#sys.exit) which can be caught by try/except blocks that might have been executing at time of signal handling, resulting in beaver failing to quit

  • Allow path to be None. [Lars Hansson]

    Allow path to be set empty (None) in the configuration filer. This way all files and globs can be configured in files in confd_path.

  • Fixed example in Readme.rst for sqs_aws_secret_key. [Jonathan Quail]

  • Redis 2.4.11 is no longer available on Pypi. [Andrew Gross]

    Fixes issue #167

  • Add a TCP transport. [Kiall Mac Innes]

  • Allow string escapes in delimiter. [Michael Mittelstadt]

    As far as I can tell, there is no way for me to represent a newline as a delimiter in a configuration file with ConfigParser. I want to do this:

    [/ephemeral_storage/logs/kind_of_special.log] tags: special type: special delimiter: nn

    As the log has a blank line between its multiline entries.

    My change allows that, by making delimiter not string escaped until after the config file is parsed. I'm naive about python, so there is a strong possibility I've gone about it horribly wrong. This would also easily allow splitting on nulls, tabs, unicode characters and other things that ConfigParser may not find kosher.

    By doing this sort of multiline parsing with beaver, it allows one to run logstash without the multiline filter, which due to its lack of thread safety, forces you to run logstash with only one worker thread.

  • Isolate connection logic. Provide proper reconnect support. [Chris Roberts]

  • Fix zmq transport tests. [Scott Smith]

  • Move zmq address config parsing into _main_parser. [Scott Smith]

  • Allow specifying multiple zmq addresses to bind/connect. [Scott Smith]

  • Corrected documentation for exclude tag. Closes #157. [Jose Diaz- Gonzalez]

  • Add missing sqlite3 module to documentation. [Andreas Lappe]

  • Tests status. [Denis Orlikhin]

  • Travis integration. [Denis Orlikhin]

  • Tests fix (conf_d does work without existing file) [Denis Orlikhin]

  • CONFIG_DIR to CONFD_PATH. [iyingchi]

  • Added doc for -C option for config directory. [iyingchi]

  • Implicit broken zmq error handling. [Denis Orlikhin]

29 (2013-05-24)
  • Do not harcode path in TailManager. Closes #143. [Jose Diaz-Gonzalez]

  • Use /etc/beaver/conf for path and provide conf.d example. Closes #149. [Jose Diaz-Gonzalez]

  • Added mqtt as option in argparse configuration for the transport flag. [Jose Diaz-Gonzalez]

  • Fixed broken MqttTransport naming. [Jose Diaz-Gonzalez]

  • Refactored BeaverSubprocess to maintain the running command as an attribute. [Jose Diaz-Gonzalez]

  • Properly parse the beaver conf.d path for new sections. Closes #144. Closes #145. Refs #107. [Jose Diaz-Gonzalez]

  • Use a Buffered Tokenizer to read large/fast incoming log input. Refs #135. Refs #105. [Jose Diaz-Gonzalez]

  • Close queue after worker has been stopped. Refs #135. [Jose Diaz- Gonzalez]

  • Wrap manager.close() call in try/except to mimic the worker dispatcher. [Jose Diaz-Gonzalez]

  • Properly parse out the port from the ssh_tunnel option. Closes #142. [Jose Diaz-Gonzalez]

  • Subclass the BaseLog class in BeaverSubprocess. Refs #142. [Jose Diaz- Gonzalez]

  • Move base_log module higher up in hierarchy. Refs #142. [Jose Diaz- Gonzalez]

  • Disable daemonization on the windows platform. Closes #141. [Jose Diaz-Gonzalez]

  • Move file unwatching in old-style worker out of for-loop. Refs #139. [Jose Diaz-Gonzalez]

    Each worker has a self._file_map attribute which is a mapping of file ids to file data. When retrieving lines or checking on the status of the file, we use iteritems() which gives us a generator as opposed to a copy such as with items(). This generator allows us to iterate over the files without having issues where the file handle may open several times or other random Python issues.

    Using a generator also means that the set that we are iterating over should not change mid iteration, which it does if a file is unwatched. To circumvent this, we should use a separate list to keep track of files we need to unwatch or rewatch, and do it out of band.

    We should also take care to catch RuntimeError which may arise when closing the Worker out of band such as in the cleanup step of the worker dispatcher but nowhere else.

    This should fix issues where logrotate suddenly causes files to disappear for a time and beaver tries to tail the file at the exact time it is being recreated.

  • Typo in SQS docs. [Jonathan Quail]

  • Remove ujson requirement. [Jose Diaz-Gonzalez]

    This allows users that do not have a compiler in their deployment area to install beaver.

    Closes #137

  • Turn on logfile output when running in non-daemon contexts. Closes #131. [Jose Diaz-Gonzalez]

  • Expand logging output path. Closes #133. [Jose Diaz-Gonzalez]

  • Ensure logging to a file does not destroy regular logging. Closes #132. [Jose Diaz-Gonzalez]

  • Properly handle unreadable files by logging a warning instead of crashing. Closes #130. [Jose Diaz-Gonzalez]

  • Rename null_formatter to raw_formatter in BaseTransport class. [Jose Diaz-Gonzalez]

  • Ensure that the RedisTransport calls the super invalidate method. Refs #93. [Jose Diaz-Gonzalez]

  • Fix issue where input type was not being detected properly. [Jose Diaz-Gonzalez]

  • Use logfile flag for sending all output to a file in daemon contexts. [Jose Diaz-Gonzalez]

  • Expand path for pidfile creation. [Jose Diaz-Gonzalez]

  • Properly handle redis reconnects when the datastore becomes unreacheable. Refs #93. [Jose Diaz-Gonzalez]

  • 'type' instead of 'exchange_type' in recent pika vers. [Pravir Chandra]

  • Adding options to make queues durable and HA. [Pravir Chandra]

  • Respect stat_interval file configuration in stable worker. [Jose Diaz- Gonzalez]

  • Unified configuration file using conf_d module. [Jose Diaz-Gonzalez]

    This change adds support for a conf.d directory configured only via the `

    confd path` flag which allows beaver to read configuration from multiple files.

    Please note that the primary beaver stanza MUST be located in the file specified by the `

    configfile` argument. Any other such beaver stanzas will be ignored.

    This change also unifies the BeaverConfig and FileConfig classes, and simplifies the api for retrieving global vs file specific data.

    Please note that this commit BREAKS custom transport classes, as the interface for creating a transport class has changed. If you are referencing a file_config.get(field, filename) anywhere, please omit this and refer to beaver_config.get_field(field, filename).

    Closes #107

  • Hack to prevent stupid TypeError: 'NoneType' when running tests via setup.py. [Jose Diaz-Gonzalez]

  • Properly handle rotated files on Darwin architectures. [Jose Diaz- Gonzalez]

  • Log to debug instead of warning for file reloading on Darwin architectures. [Jose Diaz-Gonzalez]

  • Speed up experimental worker. [Jose Diaz-Gonzalez]

    Removed inline sleep call, which slowed down passes n*0.1 seconds, where n is the number of files being tailed

    Inline methods that update data structures which should speed up larger installations

    Make self.active() an attribute lookup instead of a method call

  • Use latest version of message pack interface (0.3.0). Closes #128. [Jose Diaz-Gonzalez]

  • Alternative for reading python requirements. [Justin Lambert]

  • Fix options sent from original worker to queue. Refs #119. [Jose Diaz- Gonzalez]

  • Allow users to ignore the results of a copytruncate from logrotate. Refs #105. [Jose Diaz-Gonzalez]

  • Fix rpm package building. Closes #123. [Jose Diaz-Gonzalez]

  • Added experimental tail-version of beaver. [Jose Diaz-Gonzalez]

  • Beginning work to move from an omniscient worker to individual tail objects. [Jose Diaz-Gonzalez]

  • Fix kwargs call. [Jose Diaz-Gonzalez]

  • Add formatting to mqtt transport. Closes #115. [Jose Diaz-Gonzalez]

  • Retrieve more data from callback to minimize dictionary lookups. [Jose Diaz-Gonzalez]

  • Prefer single quotes to double quotes where possible. [Jose Diaz- Gonzalez]

  • Ensure stat_interval and tail_lines are both integer values. [Jose Diaz-Gonzalez]

  • Alphabetize config variables for file_config. [Jose Diaz-Gonzalez]

  • Ensure that debug flag is a boolean. [Jose Diaz-Gonzalez]

  • Follow logstash covention for 'format' instead of 'message_format' [Jose Diaz-Gonzalez]

  • Use passed in 'ignore_empty' field instead of a file_config lookup in queue module. [Jose Diaz-Gonzalez]

  • Prefer discover_interval over update_file_mapping_time. [Jose Diaz- Gonzalez]

  • Fix TransportException import. Closes #122. [Jose Diaz-Gonzalez]

  • Use an alternative method of reading in requirements. Refs #120. [Jose Diaz-Gonzalez]

  • Auto-reconnect mechanism for the SSH tunnel. [Michael Franz Aigner]

  • Fix import of REOPEN_FILES constant in dispatcher.py. [Jose Diaz- Gonzalez]

  • Fix a PEP8 violation. [Jose Diaz-Gonzalez]

  • Ensure all files are utf-8 encoded. [Jose Diaz-Gonzalez]

  • Namespace transport classes in the transport module. [Jose Diaz- Gonzalez]

  • Allow specifying debug mode via argument. [Jose Diaz-Gonzalez]

  • Added thread-safety to datetime calls. [Jose Diaz-Gonzalez]

  • Added support for message_format. Closes #91. [Jose Diaz-Gonzalez]

  • Add msgpack_pure as fallback for C-Based msgpack package. [Jose Diaz- Gonzalez]

  • Fix issues in sincedb implementation. Refs #116. [Jose Diaz-Gonzalez]

  • Fix casting issue when checking start_position. [Jose Diaz-Gonzalez]

  • Properly handle Queue.Full exceptions. [Jose Diaz-Gonzalez]

  • More logging. [Jose Diaz-Gonzalez]

  • Expand the sincedb path on configuration parse. [Jose Diaz-Gonzalez]

  • Ignore since.db files. [Jose Diaz-Gonzalez]

  • Simplified sincedb support to handle an edge case. Refs #116. [Jose Diaz-Gonzalez]

  • Remove errant print. [Jose Diaz-Gonzalez]

  • Added support for file exclusion in config stanzas. Closes #106. [Jose Diaz-Gonzalez]

  • Added python regex exclusion support to eglob. Refs #106. [Jose Diaz- Gonzalez]

  • PEP8. [Jose Diaz-Gonzalez]

  • Added a tests directory with some sample tests from users. [Jose Diaz- Gonzalez]

  • Convert the 'sincedb_write_interval' option to an integer. Refs #116. [Jose Diaz-Gonzalez]

  • Moved logger call to a more intelligent spot. [Jose Diaz-Gonzalez]

  • Ensure that we use the proper encoding when opening a file. Closes #104. [Jose Diaz-Gonzalez]

  • Centralize file-reading using classmethod open() [Jose Diaz-Gonzalez]

  • Fixed issue where tailed lines were not being properly sent to the callback. [Jose Diaz-Gonzalez]

  • Remove unnecessary argument from Worke.__init__() [Jose Diaz-Gonzalez]

  • Force-parse non-unicode files using unicode_dammit. [Jose Diaz- Gonzalez]

  • Set utf-8 as default encoding on all python files. [Jose Diaz- Gonzalez]

  • Fixed pyflakes issues. [rtoma]

  • Syntax fix of list. [rtoma]

  • Raise an AssertionError when run in daemon without a pid path specified. Closes #112. [Jose Diaz-Gonzalez]

  • Add support for ignoring empty lines. [Jose Diaz-Gonzalez]

  • Properly cast boolean values from strings. [Jose Diaz-Gonzalez]

  • Ensure all sections have the proper values on start. [Jose Diaz- Gonzalez]

  • Ensure internal file_config state is updated. [Jose Diaz-Gonzalez]

  • Pass in timestamp from worker class for more accurate timestamps at the cost of speed of sending. [Jose Diaz-Gonzalez]

  • Centralize timestamp retrieval to base transport class. [Jose Diaz- Gonzalez]

  • Added support for gzipped files. refs #39. [Jose Diaz-Gonzalez]

  • Added support for sqlite3-based sincedb. Refs #6 and #39. [Jose Diaz- Gonzalez]

  • Refactored worker so as to allow further data to be added to the file_map. [Jose Diaz-Gonzalez]

  • Refactor seek_to_end to properly support file tailing. [Jose Diaz- Gonzalez]

  • Added support for pubsub zmq. [Jose Diaz-Gonzalez]

  • Added support for mosquitto transport. [Jose Diaz-Gonzalez]

  • Added support for specifying file encoding, using io.open vs os.open. [Jose Diaz-Gonzalez]

  • Fix issue where a field may not exist in the data. [Jose Diaz- Gonzalez]

  • Added support for rawjson format. [Jose Diaz-Gonzalez]

  • Fixed zeromq tests. [Jose Diaz-Gonzalez]

  • Added SQS transport. [Jonathan Quail]

  • Fixing outdated transport docs. [Morgan Delagrange]

28 (2013-03-05)
  • BeaverSubprocess is now a new-style class. Fixes ssh_tunneling. [Jose Diaz-Gonzalez]
27 (2013-03-05)
  • Fix issue where super method was not called in BeaverSshTunnel. [Jose Diaz-Gonzalez]
26 (2013-03-05)
  • Add optional reconnect support for transports. Refs #93. [Jose Diaz- Gonzalez]
  • Add a method for checking the validity of a Transport. Refs #93. [Jose Diaz-Gonzalez]
  • Added a configurable subprocess poll sleep. [Jose Diaz-Gonzalez]
  • Add a deafult sleep timeout to BeaverSubprocess polling. [Jose Diaz- Gonzalez]
  • Use a larger sleep time to get around redis over ssh connection issues. [Jose Diaz-Gonzalez]
25 (2013-03-05)
  • Use True instead of 1 for while check. [Jose Diaz-Gonzalez]
  • Fix orphan child processes. Closes #103. [Jose Diaz-Gonzalez]
24 (2013-02-26)
  • Ensure new files are added to a transports configuration. Closes #96. Closes #101. [Jose Diaz-Gonzalez]
  • Allow float numbers for update_file_mapping_time. [Jose Diaz-Gonzalez]
  • Fix invalid casting of boolean values. [Jose Diaz-Gonzalez]
  • Perform all conversions in config.py. Closes #99. [Jose Diaz-Gonzalez]
23 (2013-02-20)
  • Worker: pretty format debug message "Iteration took %.6f" [Sergey Shepelev]
  • Zeromq_hwm int() conversion moved to config. [Denis Orlikhin]
  • Zeromq_hwm config entry. [Denis Orlikhin]
  • Zeromq_hwm support. [Denis Orlikhin]
  • Rabbitmq_exchange_type option fixed in the README. [Xabier de Zuazo]
  • Add test requirements to setup. [Paul Garner]
  • Allow beaver to accept custom transport classes. [Paul Garner]
  • Make beaver slightly more amenable to test mocking and sort of fix the broken zmq test. [Paul Garner]
22 (2013-01-15)
  • Handle sigterm properly. Refs #87. [Jose Diaz-Gonzalez]

  • Add --loglevel as alias for --output. Closes #92. [Jose Diaz-Gonzalez]

  • Added logging on connection exception. [Thomas Morse]

  • Add '--format raw' to pass through input unchanged. [Stephen Sugden]

  • Fix string & null formatters in beaver.transport. [Stephen Sugden]

    the inline definitions were expecting a self parameter, which is not passed when you assign a function to an attribute on an object instance.

  • Adding exception when redis connection can't be confirmed. [William Jimenez]

  • Call file.readlines() with sizehint in a loop to avoid reading in massive files all at once. [Jose Diaz-Gonzalez]

21 (2013-01-04)
  • Move runner into a dispatcher class to solve installation issues. [Jose Diaz-Gonzalez]
  • Added note for Python 2.6+ support. [Jose Diaz-Gonzalez]
20 (2013-01-03)
  • Copy the readme over to avoid pypi packaging warnings. [Jose Diaz- Gonzalez]

  • Implement fully recursive file globing. [Brian L. Troutwine]

    Python's base glob.iglob does not operate as if globstar were in effect. To explain, let's say I have an erlang application with lager logs to

    /var/log/erl_app/lags.log /var/log/erl_app/console/YEAR_MONTH_DAY.log

    and webmachine logs to

    /var/log/erl_app/webmachine/access/YEAR_MONTH_DAY.log

    Prior to this commit, when configured with the path /var/log/**/*.log all webmachine logs would be ignored by beaver. This is no longer the case, to an arbitrary depth.

    Signed off by: Brian L. Troutwine <brian@troutwine.us>

19 (2013-01-01)
  • Fix issue with supporting command line args. [Jose Diaz-Gonzalez]
18 (2012-12-31)
  • Add timing debug information to the worker loop. [Jose Diaz-Gonzalez]
  • Use redis pipelining when sending events. [Jose Diaz-Gonzalez]
  • Formatting. [Jose Diaz-Gonzalez]
  • Do not output debug statement for file_config.get call. [Jose Diaz- Gonzalez]
  • Pass in logger object to create_ssh_tunnel() [Jose Diaz-Gonzalez]
17 (2012-12-28)
  • Added missing python-daemon requirement. [Jose Diaz-Gonzalez]
16 (2012-12-27)
  • Specify a max queue size of 100 to limit overrunning memory. [Jose Diaz-Gonzalez]

  • Use multiprocessing for handling larger queue sizes. [Jose Diaz- Gonzalez]

    Previously there were issues where files that were updated frequently such as varnish or server logs would overwhelm the naive implementation of file.readlines() within Beaver. This would cause Beaver to slowly read larger and larger portions of a file before processing any of the lines, eventually causing Beaver to take forever to process log lines.

    This patch adds the ability to use an internal work queue for log lines. Whenever file.readlines() is called, the lines are placed in the queue, which is shared with a child process. The child process creates its own transport, allowing us to potentially create a Process Pool in the future to handle a larger queue size.

    Note that the limitation of file.readlines() reading in too many lines is still in existence, and may continue to cause issues for certain log files.

  • Add default redis_password to BeaverConfig class. [Jose Diaz-Gonzalez]

  • Fix missing underscore causing transport to break. [Norman Joyner]

  • Implement redis auth support. [Norman Joyner]

  • Add beaver init script for daemonization mode. [Jose Diaz-Gonzalez]

  • Use python logger when using StdoutTransport. [Jose Diaz-Gonzalez]

  • Add short arg flags for hostname and format. [Jose Diaz-Gonzalez]

  • Add the ability to daemonize. Closes #79. [Jose Diaz-Gonzalez]

  • Pass around a logger instance to all transports. [Jose Diaz-Gonzalez]

  • Revert "Added a lightweight Event class" [Jose Diaz-Gonzalez]

    After deliberation, beaver is meant to be "light weight". Lets leave the heavy hitting to the big boys.

    This reverts commit 1619d33ef4803c3fe910cf4ff197d0dd0039d2eb.

  • Added a lightweight Event class. [Jose Diaz-Gonzalez]

    This class's sole responsibility will be the processing of a given line as an event. It's future goal will be to act as a lightweight implementation of the filter system within Logstash

  • Remove argparse requirement for python 2.7 and above. [Jose Diaz- Gonzalez]

15 (2012-12-25)
  • Pull argument parsing out of beaver __init__.py. [Jose Diaz-Gonzalez]

  • Move app-running into __init__.py. [Jose Diaz-Gonzalez]

  • Standardize on _parse() as method for parsing config. [Jose Diaz- Gonzalez]

  • Automatically parse the path config option. [Jose Diaz-Gonzalez]

  • Remove extensions argument on Worker class. [Jose Diaz-Gonzalez]

    This argument was only used when no globs were specified in a config file. Since it is not configurable, there is no sense leaving around the extra logic.

  • Remove extra callback invocation on readlines. [Jose Diaz-Gonzalez]

  • Remove extra file_config module. [Jose Diaz-Gonzalez]

  • General code reorganization. [Jose Diaz-Gonzalez]

    Move both BeaverConfig and FileConfig into a single class

    Consolidated run_worker code with code in beaver binary file. This will create a clearer path for Exception handling, as it is now the responsibility of the calling class, allowing us to remove duplicative exception handling code.

    Added docstrings to many fuctions and methods

    Moved extra configuration and setup code to beaver.utils module. In many cases, code was added hastily before.

    Made many logger calls debug as opposed to info. The info level should be generally reserved for instances where files are watched, unwatched, or some change in the file state has occurred.

  • Remove duplicative and old beaver instructions from binary. [Jose Diaz-Gonzalez]

  • Remove unnecessary passing of ssh_tunnel subprocess. [Jose Diaz- Gonzalez]

  • Added docstrings to ssh_tunnel module. [Jose Diaz-Gonzalez]

  • Follow convention of underscore for object properties. [Jose Diaz- Gonzalez]

  • Follow convention of underscore for object properties. [Jose Diaz- Gonzalez]

  • Added a NullFormatter. [Jose Diaz-Gonzalez]

    Useful for cases where we do not want any extra overhead on message formatting

  • Refactored message formatting in base Transport class. [Jose Diaz- Gonzalez]

    We now use a _formatter property on the Transport class which will properly process the message for output as the user expects.

    In the case of string output, we define a custom formatter using an anonymous function and specify that as the formatter.

  • Moved create_transport to transport module. [Jose Diaz-Gonzalez]

  • Moved create_ssh_tunnel to ssh_tunnel module. [Jose Diaz-Gonzalez]

  • Fixed order of beaver_config and file_config in args. [Jose Diaz- Gonzalez]

  • Reduce overhead of parsing configuration for globs and files. [Jose Diaz-Gonzalez]

  • Removed ordereddict dependency. [Jose Diaz-Gonzalez]

  • Do not output info level when outputing version. [Jose Diaz-Gonzalez]

  • Allow usage of ujson >= 1.19. Closes #76. [Jose Diaz-Gonzalez]

14 (2012-12-18)
  • Removed erroneous redundant code. [Jose Diaz-Gonzalez]
  • Workaround for differing iteration implementation in Python 2.6. [Jose Diaz-Gonzalez]
  • Properly detect non-linux platforms. [Jose Diaz-Gonzalez]
  • Improve Python 2.6 support. [Jose Diaz-Gonzalez]
  • Fix broken python readme. [Jose Diaz-Gonzalez]
13 (2012-12-17)
  • Fixed certain environment variables. [Jose Diaz-Gonzalez]

  • SSH Tunnel Support. [Jose Diaz-Gonzalez]

    This code should allow us to create an ssh tunnel between two distinct servers for the purposes of sending and receiving data.

    This is useful in certain cases where you would otherwise need to whitelist in your Firewall or iptables setup, such as when running in two different regions on AWS.

  • Allow for initial connection lag. Helpful when waiting for an SSH proxy to connect. [Jose Diaz-Gonzalez]

  • Fix issue where certain config defaults were of an improper value. [Jose Diaz-Gonzalez]

  • Allow specifying host via flag. Closes #70. [Jose Diaz-Gonzalez]

12 (2012-12-17)
  • Reload tailed files on non-linux platforms. [Jose Diaz-Gonzalez]

    Python has an issue on OS X were the underlying C implementation of file.read() caches the EOF, therefore causing readlines() to only work once. This happens to also fail miserably when you are seeking to the end before calling readlines.

    This fix solves the issue by constantly re reading the files changed.

    Note that this also causes debug mode to be very noisy on OS X. We all have to make sacrifices...

  • Deprecate all environment variables. [Jose Diaz-Gonzalez]

    This shifts configuration management into the BeaverConfig class. Note that we currently throw a warning if you are using environment variables.

    Refs #72 Closes #60

  • Warn when using deprecated ENV variables for configuration. Refs #72. [Jose Diaz-Gonzalez]

  • Minor changes for PEP8 conformance. [Jose Diaz-Gonzalez]

11 (2012-12-16)
  • Add optional support for socket.getfqdn. [Jeremy Kitchen]

    For my setup I need to have the fqdn used at all times since my hostnames are the same but the environment (among other things) is found in the rest of the FQDN.

    Since just changing socket.gethostname to socket.getfqdn has lots of potential for breakage, and socket.gethostname doesn't always return an FQDN, it's now an option to explicitly always use the fqdn.

    Fixes #68

  • Check for log file truncation fixes #55. [Jeremy Kitchen]

    This adds a simple check for log file truncation and resets the watch when detected.

    There do exist 2 race conditions here: 1. Any log data written prior to truncation which beaver has not yet read and processed is lost. Nothing we can do about that. 2. Should the file be truncated, rewritten, and end up being larger than the original file during the sleep interval, beaver won't detect this. After some experimentation, this behavior also exists in GNU tail, so I'm going to call this a "don't do that then" bug :)

    Additionally, the files beaver will most likely be called upon to watch which may be truncated are generally going to be large enough and slow filling enough that this won't crop up in the wild.

  • Add a version number to beaver. [Jose Diaz-Gonzalez]

10 (2012-12-15)
  • Fixed package name. [Jose Diaz-Gonzalez]
  • Regenerate CHANGES.rst on release. [Jose Diaz-Gonzalez]
  • Adding support for /path/{foo,bar}.log. [Josh Braegger]
  • Ignore file errors in unwatch method -- the file might not exists. [Josh Braegger]
  • Unwatch file when encountering a stale NFS handle. When an NFS file handle becomes stale (ie, file was removed), it was crashing beaver. Need to just unwatch file. [Josh Braegger]
  • Consistency. [Chris Faulkner]
  • Pull install requirements from requirements/base.txt so they don't get out of sync. [Chris Faulkner]
  • Include changelog in setup. [Chris Faulkner]
  • Convert changelog to RST. [Chris Faulkner]
  • Actually show the license. [Chris Faulkner]
  • Consistent casing. [Chris Faulkner]
  • Consistency. [Chris Faulkner]
  • Stating the obvious. [Chris Faulkner]
  • Grist for the mill. [Chris Faulkner]
  • Drop redundant README.txt. [Chris Faulkner]
  • Don't use empty string for tag when no tags configured in config file. [Stylianos Modes]
  • Making 'mode' option work for zmqtransport. Adding setuptools and tests (use ./setup.py nosetests). Adding .gitignore. [Josh Braegger]
9 (2012-11-28)
  • More release changes. [Jose Diaz-Gonzalez]
  • Fixed deprecated warning when declaring exchange type. [Rafael Fonseca]
7 (2012-11-28)
  • Added a helper script for creating releases. [Jose Diaz-Gonzalez]
  • Partial fix for crashes caused by globbed files. [Jose Diaz-Gonzalez]
  • Removed deprecated usage of e.message. [Rafael Fonseca]
  • Fixed exception trapping code. [Rafael Fonseca]
  • Added some resiliency code to rabbitmq transport. [Rafael Fonseca]
6 (2012-11-26)
  • Fix issue where polling for files was done incorrectly. [Jose Diaz- Gonzalez]
  • Added ubuntu init.d example config. [Jose Diaz-Gonzalez]
5 (2012-11-26)
  • Try to poll for files on startup instead of throwing exceptions. Closes #45. [Jose Diaz-Gonzalez]
  • Added python 2.6 to classifiers. [Jose Diaz-Gonzalez]
4 (2012-11-26)
  • Remove unused local vars. [Jose Diaz-Gonzalez]
  • Allow rabbitmq exchange type and durability to be configured. [Jose Diaz-Gonzalez]
  • Remove unused import. [Jose Diaz-Gonzalez]
  • Formatted code to fix PEP8 violations. [Jose Diaz-Gonzalez]
  • Use alternate dict syntax for Python 2.6 support. Closes #43. [Jose Diaz-Gonzalez]
  • Fixed release date for version 3. [Jose Diaz-Gonzalez]
3 (2012-11-25)
  • Added requirements files to manifest. [Jose Diaz-Gonzalez]

  • Include all contrib files in release. [Jose Diaz-Gonzalez]

  • Revert "removed redundant README.txt" to follow pypi standards. [Jose Diaz-Gonzalez]

    This reverts commit e667f63706e0af8bc82c0eac6eac43318144e107.

  • Added bash startup script. Closes #35. [Jose Diaz-Gonzalez]

  • Added an example supervisor config for redis. closes #34. [Jose Diaz- Gonzalez]

  • Removed redundant README.txt. [Jose Diaz-Gonzalez]

  • Added classifiers to package. [Jose Diaz-Gonzalez]

  • Re-order workers. [Jose Diaz-Gonzalez]

  • Re-require pika. [Jose Diaz-Gonzalez]

  • Make zeromq installation optional. [Morgan Delagrange]

  • Formatting. [Jose Diaz-Gonzalez]

  • Added changes to changelog for version 3. [Jose Diaz-Gonzalez]

  • Timestamp in ISO 8601 format with the "Z" sufix to express UTC. [Xabier de Zuazo]

  • Adding udp support. [Morgan Delagrange]

  • Lpush changed to rpush on redis transport. This is required to always read the events in the correct order on the logstash side. See: https: //github.com/logstash/logstash/blob/6f745110671b5d9d66bf082fbfed99d145 af4620/lib/logstash/outputs/redis.rb#L4. [Xabier de Zuazo]

2 (2012-10-25)
  • Example upstart script. [Michael D'Auria]

  • Fixed a few more import statements. [Jose Diaz-Gonzalez]

  • Fixed binary call. [Jose Diaz-Gonzalez]

  • Refactored logging. [Jose Diaz-Gonzalez]

  • Improve logging. [Michael D'Auria]

  • Removed unnecessary print statements. [Jose Diaz-Gonzalez]

  • Add default stream handler when transport is stdout. Closes #26. [bear (Mike Taylor)]

  • Handle the case where the config file is not present. [Michael D'Auria]

  • Better exception handling for unhandled exceptions. [Michael D'Auria]

  • Fix wrong addfield values. [Alexander Fortin]

  • Add add_field to config example. [Alexander Fortin]

  • Add support for add_field into config file. [Alexander Fortin]

  • Minor readme updates. [Jose Diaz-Gonzalez]

  • Add support for type reading from INI config file. [Alexander Fortin]

    Add support for symlinks in config file

    Add support for file globbing in config file

    Add support for tags

    a little bit of refactoring, move type and tags check down into transport class

    create config object (reading /dev/null) even if no config file has been given via cli

    Add documentation for INI file to readme

    Remove unused json library

    Conflicts: README.rst

  • When sending data over the wire, use UTC timestamps. [Darren Worrall]

  • Support globs in file paths. [Darren Worrall]

  • Added msgpack support. [Jose Diaz-Gonzalez]

  • Use the python logging framework. [Jose Diaz-Gonzalez]

  • Fixed Transport.format() method. [Jose Diaz-Gonzalez]

  • Properly parse BEAVER_FILES env var. [Jose Diaz-Gonzalez]

  • Refactor transports. [Jose Diaz-Gonzalez]

    Fix the json import to use the fastest json module available

    Move formatting into Transport class

  • Attempt to fix defaults from env variables. [Jose Diaz-Gonzalez]

  • Fix README and beaver CLI help to reference correct RABBITMQ_HOST environment variable. [jdutton]

  • Add RabbitMQ support. [Alexander Fortin]

  • Added real-world example of beaver usage for tailing a file. [Jose Diaz-Gonzalez]

  • Removed unused argument. [Jose Diaz-Gonzalez]

  • Ensure that python-compatible readme is included in package. [Jose Diaz-Gonzalez]

  • Fix variable naming and timeout for redis transport. [Jose Diaz- Gonzalez]

  • Installation instructions. [Jose Diaz-Gonzalez]

  • Use restructured text for readme instead of markdown. [Jose Diaz- Gonzalez]

  • Removed unnecessary .gitignore. [Jose Diaz-Gonzalez]

1 (2012-08-06)
  • Moved app into python package format. [Jose Diaz-Gonzalez]
  • Moved binary beaver.py to bin/beaver, as per python packaging. [Jose Diaz-Gonzalez]
  • Moved around transports to be independent of each other. [Jose Diaz- Gonzalez]
  • Reorder transports. [Jose Diaz-Gonzalez]
  • Rewrote run_worker to throw exception if all transport options have been exhausted. [Jose Diaz-Gonzalez]
  • Rename Amqp -> Zmq to avoid confusion with RabbitMQ. [Alexander Fortin]
  • Added choices to the --transport argument. [Jose Diaz-Gonzalez]
  • Fixed derpy formatting. [Jose Diaz-Gonzalez]
  • Added usage to the readme. [Jose Diaz-Gonzalez]
  • Support usage of environment variables instead of arguments. [Jose Diaz-Gonzalez]
  • Fixed files argument parsing. [Jose Diaz-Gonzalez]
  • One does not simply license all the things. [Jose Diaz-Gonzalez]
  • Add todo to readme. [Jose Diaz-Gonzalez]
  • Added version to pyzmq. [Jose Diaz-Gonzalez]
  • Added license. [Jose Diaz-Gonzalez]
  • Reordered imports. [Jose Diaz-Gonzalez]
  • Moved all transports to beaver/transports.py. [Jose Diaz-Gonzalez]
  • Calculate current timestamp at most once per callback fired. [Jose Diaz-Gonzalez]
  • Modified transports to include proper information for ingestion in logstash. [Jose Diaz-Gonzalez]
  • Fixed package imports. [Jose Diaz-Gonzalez]
  • Removed another compiled python file. [Jose Diaz-Gonzalez]
  • Use ujson instead of simplejson. [Jose Diaz-Gonzalez]
  • Ignore compiled python files. [Jose Diaz-Gonzalez]
  • Fixed imports. [Jose Diaz-Gonzalez]
  • Fixed up readme instructions. [Jose Diaz-Gonzalez]
  • Refactor transports so that connections are no longer global. [Jose Diaz-Gonzalez]
  • Readme and License. [Jose Diaz-Gonzalez]

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