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README.rst

HAProxy log analyzer

This Python package is a HAProxy log parser. It analyzes HAProxy log files in multiple ways (see commands section below).

Note

Currently only the HTTP log format is supported.

Tests and coverage

No project is trustworthy if does not have tests and a decent coverage!

Tests Coverage Downloads Latest Version Egg Status License

Documentation

See the documentation and API at ReadTheDocs.

Command-line interface

The current --help looks like this:

usage: haproxy_log_analysis [-h] [-l LOG] [-s START] [-d DELTA] [-c COMMAND]
                            [-f FILTER] [-n] [--list-commands]
                            [--list-filters] [--json]

Analyze HAProxy log files and outputs statistics about it

optional arguments:
  -h, --help            show this help message and exit
  -l LOG, --log LOG     HAProxy log file to analyze
  -s START, --start START
                        Process log entries starting at this time, in HAProxy
                        date format (e.g. 11/Dec/2013 or
                        11/Dec/2013:19:31:41). At least provide the
                        day/month/year. Values not specified will use their
                        base value (e.g. 00 for hour). Use in conjunction with
                        -d to limit the number of entries to process.
  -d DELTA, --delta DELTA
                        Limit the number of entries to process. Express the
                        time delta as a number and a time unit, e.g.: 1s, 10m,
                        3h or 4d (for 1 second, 10 minutes, 3 hours or 4
                        days). Use in conjunction with -s to only analyze
                        certain time delta. If no start time is given, the
                        time on the first line will be used instead.
  -c COMMAND, --command COMMAND
                        List of commands, comma separated, to run on the log
                        file. See --list-commands to get a full list of them.
  -f FILTER, --filter FILTER
                        List of filters to apply on the log file. Passed as
                        comma separated and parameters within square brackets,
                        e.g ip[192.168.1.1],ssl,path[/some/path]. See --list-
                        filters to get a full list of them.
  -n, --negate-filter   Make filters passed with -f work the other way around,
                        i.e. if the ``ssl`` filter is passed instead of
                        showing only ssl requests it will show non-ssl
                        traffic. If the ``ip`` filter is used, then all but
                        that ip passed to the filter will be used.
  --list-commands       Lists all commands available.
  --list-filters        Lists all filters available.
  --json                Output results in json.
  --invalid             Print the lines that could not be parsed. Be aware
                        that mixing it with the print command will mix their
                        output.

Commands

Commands are small purpose specific programs in themselves that report specific statistics about the log file being analyzed. See them all with --list-commands or online at https://haproxy-log-analyzer.readthedocs.io/modules.html#module-haproxy.commands.

  • average_response_time
  • average_waiting_time
  • connection_type
  • counter
  • http_methods
  • ip_counter
  • print
  • queue_peaks
  • request_path_counter
  • requests_per_hour
  • requests_per_minute
  • server_load
  • slow_requests
  • slow_requests_counter
  • status_codes_counter
  • top_ips
  • top_request_paths

Filters

Filters, contrary to commands, are a way to reduce the amount of log lines to be processed.

Note

The -n command line argument allows to reverse filters output.

This helps when looking for specific traces, like a certain IP, a path...

See them all with --list-filters or online at https://haproxy-log-analyzer.readthedocs.io/modules.html#module-haproxy.filters.

  • backend
  • frontend
  • http_method
  • ip
  • ip_range
  • path
  • response_size
  • server
  • slow_requests
  • ssl
  • status_code
  • status_code_family
  • wait_on_queues

Installation

After installation you will have a console script haproxy_log_analysis:

$ pip install haproxy_log_analysis

TODO

  • add more commands: (help appreciated)
    • reports on servers connection time
    • reports on termination state
    • reports around connections (active, frontend, backend, server)
    • your ideas here
  • think of a way to show the commands output in a meaningful way
  • be able to specify an output format. For any command that makes sense (slow requests for example) output the given fields for each log line (i.e. acceptance date, path, downstream server, load at that time...)
  • your ideas
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