diff options
Diffstat (limited to 'plugins.d/fping.plugin')
| -rwxr-xr-x | plugins.d/fping.plugin | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/plugins.d/fping.plugin b/plugins.d/fping.plugin new file mode 100755 index 00000000..d523f447 --- /dev/null +++ b/plugins.d/fping.plugin @@ -0,0 +1,178 @@ +#!/usr/bin/env bash + +# netdata +# real-time performance and health monitoring, done right! +# (C) 2016 Costa Tsaousis <costa@tsaousis.gr> +# GPL v3+ +# +# This plugin requires a latest version of fping. +# You can compile it from source, by running me with option: install + +export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" +export LC_ALL=C + +if [ "${1}" = "install" ] + then + [ "${UID}" != 0 ] && echo >&2 "Please run me as root. This will install a single binary file: /usr/local/bin/fping." && exit 1 + + run() { + printf >&2 " > " + printf >&2 "%q " "${@}" + printf >&2 "\n" + "${@}" || exit 1 + } + + [ ! -d /usr/src ] && run mkdir -p /usr/src + [ ! -d /usr/local/bin ] && run mkdir -p /usr/local/bin + + run cd /usr/src + + if [ -d fping-ktsaou.git ] + then + run cd fping-ktsaou.git + run git pull + else + run git clone https://github.com/ktsaou/fping.git fping-ktsaou.git + run cd fping-ktsaou.git + fi + + run ./autogen.sh + run ./configure --prefix=/usr/local + run make clean + run make + if [ -f /usr/local/bin/fping ] + then + run mv -f /usr/local/bin/fping /usr/local/bin/fping.old + fi + run mv src/fping /usr/local/bin/fping + run chown root:root /usr/local/bin/fping + run chmod 4755 /usr/local/bin/fping + echo >&2 + echo >&2 "All done, you have a compatible fping now at /usr/local/bin/fping." + echo >&2 + + fping="$(which fping 2>/dev/null || command -v fping 2>/dev/null)" + if [ "${fping}" != "/usr/local/bin/fping" ] + then + echo >&2 "You have another fping installed at: ${fping}." + echo >&2 "Please set:" + echo >&2 + echo >&2 " fping=\"/usr/local/bin/fping\"" + echo >&2 + echo >&2 "at /etc/netdata/fping.conf" + echo >&2 + fi + exit 0 +fi + +# ----------------------------------------------------------------------------- + +PROGRAM_NAME="$(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 ${plugin} the name we run under +# this allows us to copy/link fping.plugin under a different name +# to have multiple fping plugins running with different settings +plugin="${PROGRAM_NAME/.plugin/}" + + +# ----------------------------------------------------------------------------- + +# the frequency to send info to netdata +# passed by netdata as the first parameter +update_every="${1-1}" + +# the netdata configuration directory +# passed by netdata as an environment variable +NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}" + +# ----------------------------------------------------------------------------- +# configuration options +# can be overwritten at /etc/netdata/fping.conf + +# the fping 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 +fping="$( which fping 2>/dev/null || command -v fping 2>/dev/null )" + +# a space separated list of hosts to fping +# we suggest to put names here and the IPs of these names in /etc/hosts +hosts="" + +# the time in milliseconds (1 sec = 1000 ms) +# to ping the hosts - by default 5 pings per host per iteration +ping_every="$((update_every * 1000 / 5))" + +# fping options +fping_opts="-R -b 56 -i 1 -r 0 -t 5000" + +# ----------------------------------------------------------------------------- +# load the configuration file + +if [ ! -f "${NETDATA_CONFIG_DIR}/${plugin}.conf" ] +then + fatal "configuration file '${NETDATA_CONFIG_DIR}/${plugin}.conf' not found - nothing to do." +fi + +source "${NETDATA_CONFIG_DIR}/${plugin}.conf" + +if [ -z "${hosts}" ] +then + fatal "no hosts configued in '${NETDATA_CONFIG_DIR}/${plugin}.conf' - nothing to do." +fi + +if [ -z "${fping}" -o ! -x "${fping}" ] +then + fatal "command '${fping}' is not found or is not executable - cannot proceed." +fi + +if [ ${ping_every} -lt 20 ] + then + warning "ping every was set to ${ping_every} but 20 is the minimum for non-root users. Setting it to 20 ms." + ping_every=20 +fi + +# the fping options we will use +options=( -N -l -Q ${update_every} -p ${ping_every} ${fping_opts} ${hosts} ) + +# execute fping +exec "${fping}" "${options[@]}" + +# if we cannot execute fping, stop +fatal "command '${fping} ${options[@]}' failed to be executed." |