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#!/usr/bin/env bash
# SPDX-License-Identifier: GPL-3.0-or-later
# netdata
# real-time performance and health monitoring, done right!
# (C) 2017 Costa Tsaousis <costa@tsaousis.gr>
# GPL v3+
#
# This plugin requires a latest version of ioping.
# You can compile it from source, by running me with option: install
export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
export LC_ALL=C
usage="$(basename "$0") [install] [-h] [-e]
where:
install install ioping binary
-e, --env path to environment file (defaults to '/etc/netdata/.environment'
-h show this help text"
INSTALL=0
ENVIRONMENT_FILE="/etc/netdata/.environment"
while :; do
case "$1" in
-h | --help)
echo "$usage" >&2
exit 1
;;
install)
INSTALL=1
shift
;;
-e | --env)
ENVIRONMENT_FILE="$2"
shift 2
;;
-*)
echo "$usage" >&2
exit 1
;;
*) break ;;
esac
done
if [ "$INSTALL" == "1" ]
then
[ "${UID}" != 0 ] && echo >&2 "Please run me as root. This will install a single binary file: /usr/libexec/netdata/plugins.d/ioping." && exit 1
source "${ENVIRONMENT_FILE}" || exit 1
run() {
printf >&2 " > "
printf >&2 "%q " "${@}"
printf >&2 "\n"
"${@}" || exit 1
}
download() {
local git="$(which git 2>/dev/null || command -v git 2>/dev/null)"
[ ! -z "${git}" ] && run git clone "${1}" "${2}" && return 0
echo >&2 "Cannot find 'git' in this system." && exit 1
}
tmp=$(mktemp -d /tmp/netdata-ioping-XXXXXX)
[ ! -d "${NETDATA_PREFIX}/usr/libexec/netdata" ] && run mkdir -p "${NETDATA_PREFIX}/usr/libexec/netdata"
run cd "${tmp}"
if [ -d ioping-netdata ]
then
run rm -rf ioping-netdata || exit 1
fi
download 'https://github.com/netdata/ioping.git' 'ioping-netdata'
[ $? -ne 0 ] && exit 1
run cd ioping-netdata || exit 1
INSTALL_PATH="${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/ioping"
run make clean
run make
run mv ioping "${INSTALL_PATH}"
run chown root:"${NETDATA_GROUP}" "${INSTALL_PATH}"
run chmod 4750 "${INSTALL_PATH}"
echo >&2
echo >&2 "All done, you have a compatible ioping now at ${INSTALL_PATH}."
echo >&2
exit 0
fi
# -----------------------------------------------------------------------------
PROGRAM_NAME="$(basename "${0}")"
logdate() {
date "+%Y-%m-%d %H:%M:%S"
}
log() {
local status="${1}"
shift
echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
}
warning() {
log WARNING "${@}"
}
error() {
log ERROR "${@}"
}
info() {
log INFO "${@}"
}
fatal() {
log FATAL "${@}"
echo "DISABLE"
exit 1
}
debug=0
debug() {
[ $debug -eq 1 ] && log DEBUG "${@}"
}
# -----------------------------------------------------------------------------
# store in ${plugin} the name we run under
# this allows us to copy/link ioping.plugin under a different name
# to have multiple ioping plugins running with different settings
plugin="${PROGRAM_NAME/.plugin/}"
# -----------------------------------------------------------------------------
# the frequency to send info to netdata
# passed by netdata as the first parameter
update_every="${1-1}"
# the netdata configuration directory
# passed by netdata as an environment variable
[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="@configdir_POST@"
[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@"
# the netdata directory for internal binaries
[ -z "${NETDATA_PLUGINS_DIR}" ] && NETDATA_PLUGINS_DIR="@pluginsdir_POST@"
# -----------------------------------------------------------------------------
# configuration options
# can be overwritten at /etc/netdata/ioping.conf
# the ioping binary to use
# we need one that can output netdata friendly info (supporting: -N)
# if you have multiple versions, put here the full filename of the right one
ioping="${NETDATA_PLUGINS_DIR}/ioping"
# the destination to ioping
destination=""
# the request size in bytes to ping the disk
request_size="4k"
# ioping options
ioping_opts="-T 1000000"
# -----------------------------------------------------------------------------
# load the configuration files
for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/${plugin}.conf" "${NETDATA_USER_CONFIG_DIR}/${plugin}.conf"; do
if [ -f "${CONFIG}" ]; then
info "Loading config file '${CONFIG}'..."
source "${CONFIG}"
[ $? -ne 0 ] && error "Failed to load config file '${CONFIG}'."
elif [[ $CONFIG =~ ^$NETDATA_USER_CONFIG_DIR ]]; then
warning "Cannot find file '${CONFIG}'."
fi
done
if [ -z "${destination}" ]
then
fatal "destination is not configured - nothing to do."
fi
if [ ! -f "${ioping}" ]
then
fatal "ioping command is not found. Please set its full path in '${NETDATA_USER_CONFIG_DIR}/${plugin}.conf'"
fi
if [ ! -x "${ioping}" ]
then
fatal "ioping command '${ioping}' is not executable - cannot proceed."
fi
# the ioping options we will use
options=( -N -i ${update_every} -s ${request_size} ${ioping_opts} ${destination} )
# execute ioping
info "starting ioping: ${ioping} ${options[*]}"
exec "${ioping}" "${options[@]}"
# if we cannot execute ioping, stop
fatal "command '${ioping} ${options[*]}' failed to be executed (returned code $?)."
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