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#!/usr/bin/env bash
. $(dirname "${0}")/functions.sh
export LC_ALL=C
umask 002
# Be nice on production environments
renice 19 $$ >/dev/null 2>/dev/null
# -----------------------------------------------------------------------------
progress "Checking new configuration files"
declare -A configs_signatures=()
. system/configs.signatures
if [ ! -d etc/netdata ]
then
run mkdir -p etc/netdata
fi
md5sum="$(which md5sum 2>/dev/null || command -v md5sum 2>/dev/null || command -v md5 2>/dev/null)"
for x in $(find etc.new -type f)
do
# find it relative filename
f="${x/etc.new\/netdata\//}"
t="${x/etc.new\//etc\/}"
d=$(dirname "${t}")
#echo >&2 "x: ${x}"
#echo >&2 "t: ${t}"
#echo >&2 "d: ${d}"
if [ ! -d "${d}" ]
then
run mkdir -p "${d}"
fi
if [ ! -f "${t}" ]
then
run cp "${x}" "${t}"
continue
fi
if [ ! -z "${md5sum}" ]
then
# find the checksum of the existing file
md5="$(cat "${t}" | ${md5sum} | cut -d ' ' -f 1)"
#echo >&2 "md5: ${md5}"
# check if it matches
if [ "${configs_signatures[${md5}]}" = "${f}" ]
then
run cp "${x}" "${t}"
fi
fi
if ! [[ "${x}" =~ .*\.orig ]]
then
run mv "${x}" "${t}.orig"
fi
done
run rm -rf etc.new
# -----------------------------------------------------------------------------
progress "Add user netdata to required user groups"
NETDATA_USER="root"
NETDATA_GROUP="root"
add_netdata_user_and_group
if [ $? -eq 0 ]
then
NETDATA_USER="netdata"
NETDATA_GROUP="netdata"
else
run_failed "Failed to add netdata user and group"
fi
# -----------------------------------------------------------------------------
progress "Install logrotate configuration for netdata"
install_netdata_logrotate || run_failed "Cannot install logrotate file for netdata."
# -----------------------------------------------------------------------------
progress "Install netdata at system init"
install_netdata_service || run_failed "Cannot install netdata init service."
# -----------------------------------------------------------------------------
progress "creating quick links"
dir_should_be_link() {
local p="${1}" t="${2}" d="${3}" old
old="${PWD}"
cd "${p}" || return 0
if [ -e "${d}" ]
then
if [ -h "${d}" ]
then
run rm "${d}"
else
run mv -f "${d}" "${d}.old.$$"
fi
fi
run ln -s "${t}" "${d}"
cd "${old}"
}
dir_should_be_link . bin sbin
dir_should_be_link usr ../bin bin
dir_should_be_link usr ../bin sbin
dir_should_be_link usr . local
dir_should_be_link . etc/netdata netdata-configs
dir_should_be_link . usr/share/netdata/web netdata-web-files
dir_should_be_link . usr/libexec/netdata netdata-plugins
dir_should_be_link . var/lib/netdata netdata-dbs
dir_should_be_link . var/cache/netdata netdata-metrics
dir_should_be_link . var/log/netdata netdata-logs
# -----------------------------------------------------------------------------
progress "fix permissions"
run chmod g+rx,o+rx /opt
run chown -R ${NETDATA_USER}:${NETDATA_GROUP} /opt/netdata
# -----------------------------------------------------------------------------
progress "fix plugin permissions"
for x in apps.plugin freeipmi.plugin cgroup-network
do
f="usr/libexec/netdata/plugins.d/${x}"
if [ -f "${f}" ]
then
run chown root:${NETDATA_GROUP} "${f}"
run chmod 4750 "${f}"
fi
done
# fix the fping binary
if [ -f bin/fping ]
then
run chown root:${NETDATA_GROUP} bin/fping
run chmod 4750 bin/fping
fi
# -----------------------------------------------------------------------------
progress "starting netdata"
restart_netdata "/opt/netdata/bin/netdata"
if [ $? -eq 0 ]
then
download_netdata_conf "${NETDATA_USER}:${NETDATA_GROUP}" "/opt/netdata/etc/netdata/netdata.conf" "http://localhost:19999/netdata.conf"
netdata_banner "is installed and running now!"
else
generate_netdata_conf "${NETDATA_USER}:${NETDATA_GROUP}" "/opt/netdata/etc/netdata/netdata.conf" "http://localhost:19999/netdata.conf"
netdata_banner "is installed now!"
fi
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