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#!/usr/bin/env bash
# SPDX-License-Identifier: GPL-3.0-or-later
. $(dirname "${0}")/functions.sh
export LC_ALL=C
umask 002
# Be nice on production environments
renice 19 $$ >/dev/null 2>/dev/null
NETDATA_PREFIX="/opt/netdata"
NETDATA_USER_CONFIG_DIR="${NETDATA_PREFIX}/etc/netdata"
# -----------------------------------------------------------------------------
if [ -d /opt/netdata/etc/netdata.old ]; then
progress "Found old etc/netdata directory, reinstating this"
[ -d /opt/netdata/etc/netdata.new ] && rm -rf /opt/netdata/etc/netdata.new
mv -f /opt/netdata/etc/netdata /opt/netdata/etc/netdata.new
mv -f /opt/netdata/etc/netdata.old /opt/netdata/etc/netdata
progress "Trigger stock config clean up"
rm -f /opt/netdata/etc/netdata/.installer-cleanup-of-stock-configs-done
fi
STARTIT=1
AUTOUPDATE=0
RELEASE_CHANNEL="nightly"
while [ "${1}" ]; do
case "${1}" in
"--dont-start-it") STARTIT=0;;
"--auto-update"|"-u") AUTOUPDATE=1;;
"--stable-channel") RELEASE_CHANNEL="stable";;
*) echo >&2 "Unknown option '${1}'. Ignoring it.";;
esac
shift 1
done
deleted_stock_configs=0
if [ ! -f "etc/netdata/.installer-cleanup-of-stock-configs-done" ]
then
# -----------------------------------------------------------------------------
progress "Deleting stock configuration files from user configuration directory"
declare -A configs_signatures=()
source "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 -type f)
do
# find it relative filename
f="${x/etc\/netdata\//}"
# find the stock filename
t="${f/.conf.old/.conf}"
t="${t/.conf.orig/.conf}"
if [ ! -z "${md5sum}" ]
then
# find the checksum of the existing file
md5="$( ${md5sum} <"${x}" | cut -d ' ' -f 1)"
#echo >&2 "md5: ${md5}"
# check if it matches
if [ "${configs_signatures[${md5}]}" = "${t}" ]
then
# it matches the default
run rm -f "${x}"
deleted_stock_configs=$(( deleted_stock_configs + 1 ))
fi
fi
done
touch "etc/netdata/.installer-cleanup-of-stock-configs-done"
fi
# -----------------------------------------------------------------------------
progress "Attempt to create user/group netdata/netadata"
NETDATA_WANTED_GROUPS="docker nginx varnish haproxy adm nsd proxy squid ceph nobody"
NETDATA_ADDED_TO_GROUPS=""
# Default user/group
NETDATA_USER="root"
NETDATA_GROUP="root"
if portable_add_group netdata; then
if portable_add_user netdata "/opt/netdata"; then
progress "Add user netdata to required user groups"
for g in ${NETDATA_WANTED_GROUPS}; do
# shellcheck disable=SC2086
portable_add_user_to_group ${g} netdata && NETDATA_ADDED_TO_GROUPS="${NETDATA_ADDED_TO_GROUPS} ${g}" || run_failed "Failed to add netdata user to secondary groups"
done
NETDATA_USER="netdata"
NETDATA_GROUP="netdata"
else
run_failed "I could not add user netdata, will be using root"
fi
else
run_failed "I could not add group netdata, so no user netdata will be created as well. Netdata run as root:root"
fi
# -----------------------------------------------------------------------------
progress "Check SSL certificates paths"
if [ ! -f "/etc/ssl/certs/ca-certificates.crt" ]
then
if [ ! -f /opt/netdata/.curlrc ]
then
cacert=
# CentOS
[ -f "/etc/ssl/certs/ca-bundle.crt" ] && cacert="/etc/ssl/certs/ca-bundle.crt"
if [ ! -z "${cacert}" ]
then
echo "Creating /opt/netdata/.curlrc with cacert=${cacert}"
echo >/opt/netdata/.curlrc "cacert=${cacert}"
else
run_failed "Failed to find /etc/ssl/certs/ca-certificates.crt"
fi
fi
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."
set_netdata_updater_channel || run_failed "Cannot set netdata updater tool release channel to '${RELEASE_CHANNEL}'"
# -----------------------------------------------------------------------------
progress "Install (but not enable) netdata updater tool"
cleanup_old_netdata_updater || run_failed "Cannot cleanup old netdata updater tool."
install_netdata_updater || run_failed "Cannot install netdata updater tool."
progress "Check if we must enable/disable the netdata updater tool"
if [ "${AUTOUPDATE}" = "1" ]; then
enable_netdata_updater || run_failed "Cannot enable netdata updater tool"
else
disable_netdata_updater || run_failed "Cannot disable netdata updater tool"
fi
# -----------------------------------------------------------------------------
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
dir_should_be_link etc/netdata ../../usr/lib/netdata/conf.d orig
if [ ${deleted_stock_configs} -gt 0 ]
then
dir_should_be_link etc/netdata ../../usr/lib/netdata/conf.d "000.-.USE.THE.orig.LINK.TO.COPY.AND.EDIT.STOCK.CONFIG.FILES"
fi
# -----------------------------------------------------------------------------
progress "create user config directories"
for x in "python.d" "charts.d" "node.d" "health.d" "statsd.d" "custom-plugins.d" "ssl"
do
if [ ! -d "etc/netdata/${x}" ]
then
run mkdir -p "etc/netdata/${x}" || exit 1
fi
done
# -----------------------------------------------------------------------------
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 ioping 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
# -----------------------------------------------------------------------------
if [ ${STARTIT} -eq 0 ]; then
create_netdata_conf "/opt/netdata/etc/netdata/netdata.conf"
netdata_banner "is installed now!"
else
progress "starting netdata"
if ! restart_netdata "/opt/netdata/bin/netdata"; then
create_netdata_conf "/opt/netdata/etc/netdata/netdata.conf"
netdata_banner "is installed and running now!"
else
create_netdata_conf "/opt/netdata/etc/netdata/netdata.conf" "http://localhost:19999/netdata.conf"
netdata_banner "is installed now!"
fi
fi
run chown "${NETDATA_USER}:${NETDATA_GROUP}" "/opt/netdata/etc/netdata/netdata.conf"
run chmod 0664 "/opt/netdata/etc/netdata/netdata.conf"
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