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############################################################################
# Copyright (C) CFEngine AS
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License LGPL as published by the
# Free Software Foundation; version 3.
#
# This program 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.
#
# To the extent this program is licensed as part of the Enterprise
# versions of CFEngine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
###########################################################################
#
# CFEngine Community Open Promise-Body Library
#
# This initiative started by CFEngine promotes a
# standardized set of names and promise specifications
# for template functionality within CFEngine 3.
#
# The aim is to promote an industry standard for
# naming of configuration patterns, leading to a
# de facto middleware of standardized syntax.
#
# Names should be intuitive and parameters should be
# minimal to assist readability and comprehensibility.
# Contributions to this file are voluntarily given to
# the cfengine community, and are moderated by CFEngine.
# No liability or warranty for misuse is implied.
#
# If you add to this file, please try to make the
# contributions "self-documenting". Comments made
# after the bundle/body statement are retained in
# the online docs
#
# For CFEngine Core: 3.5.1 to 3.5.x
# Monitor bodies
###################################################
# If you find CFEngine useful, please consider #
# purchasing a commercial version of the software.#
###################################################
####################################################
## monitor bodyparts
####################################################
body match_value scan_log(line)
{
select_line_matching => "$(line)";
track_growing_file => "true";
}
##
body match_value scan_changing_file(line)
{
select_line_matching => "$(line)";
track_growing_file => "false";
}
##
body match_value single_value(regex)
{
select_line_matching => "$(regex)";
extraction_regex => "($(regex))";
}
##
body match_value line_match_value(line_match, extract_regex)
# @brief Find lines matching line_match and extract a value matching extract_regex
# @param line_match Regular expression matching line where value is found
# @param extract_regex Regular expression matching value to extract
#
# ** Example:**
# ```cf3
# bundle monitor example
# {
# vars:
# "regex_vsz" string => "root\s+[0-9]+\s+[0-9]+\s+[0-9]+\s+[0-9.]+\s+[0-9.]+\s+([0-9]+).*";
# measurements:
# "/var/cfengine/state/cf_procs"
# handle => "cf_serverd_vsz",
# comment => "Tracking the memory consumption of a process can help us identify possible memory leaks",
# stream_type => "file",
# data_type => "int",
# history_type => "weekly",
# units => "kB",
# match_value => line_match_value(".*cf-serverd.*", "$(regex_vsz)");
# }
{
select_line_matching => "$(line_match)";
extraction_regex => "$(extract_regex)";
}
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