335 lines
7.6 KiB
Bash
Executable File
335 lines
7.6 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
#shellcheck disable=SC2181
|
|
#
|
|
# This is the netdata uninstaller script
|
|
#
|
|
# Variables needed by script and taken from '.environment' file:
|
|
# - NETDATA_PREFIX
|
|
# - NETDATA_ADDED_TO_GROUPS
|
|
#
|
|
# Copyright: SPDX-License-Identifier: GPL-3.0-or-later
|
|
#
|
|
# Author: Paweł Krupa <paulfantom@gmail.com>
|
|
# Author: Pavlos Emm. Katsoulakis <paul@netdata.cloud>
|
|
|
|
usage="$(basename "$0") [-h] [-f ] -- program to calculate the answer to life, the universe and everything
|
|
|
|
where:
|
|
-e, --env path to environment file (defauls to '/etc/netdata/.environment'
|
|
-f, --force force uninstallation and do not ask any questions
|
|
-h show this help text
|
|
-y, --yes flag needs to be set to proceed with uninstallation"
|
|
|
|
FILE_REMOVAL_STATUS=0
|
|
ENVIRONMENT_FILE="/etc/netdata/.environment"
|
|
INTERACTIVITY="-i"
|
|
YES=0
|
|
while :; do
|
|
case "$1" in
|
|
-h | --help)
|
|
echo "$usage" >&2
|
|
exit 1
|
|
;;
|
|
-f | --force)
|
|
INTERACTIVITY="-f"
|
|
shift
|
|
;;
|
|
-y | --yes)
|
|
YES=1
|
|
shift
|
|
;;
|
|
-e | --env)
|
|
ENVIRONMENT_FILE="$2"
|
|
shift 2
|
|
;;
|
|
-*)
|
|
echo "$usage" >&2
|
|
exit 1
|
|
;;
|
|
*) break ;;
|
|
esac
|
|
done
|
|
|
|
if [ "$YES" != "1" ]; then
|
|
echo >&2 "This script will REMOVE netdata from your system."
|
|
echo >&2 "Run it again with --yes to do it."
|
|
exit 1
|
|
fi
|
|
|
|
if [[ $EUID -ne 0 ]]; then
|
|
echo >&2 "This script SHOULD be run as root or otherwise it won't delete all installed components."
|
|
key="n"
|
|
read -r -s -n 1 -p "Do you want to continue as non-root user [y/n] ? " key
|
|
if [ "$key" != "y" ] && [ "$key" != "Y" ]; then
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
# -----------------------------------------------------------------------------
|
|
|
|
setup_terminal() {
|
|
TPUT_RESET=""
|
|
TPUT_YELLOW=""
|
|
TPUT_WHITE=""
|
|
TPUT_BGRED=""
|
|
TPUT_BGGREEN=""
|
|
TPUT_BOLD=""
|
|
TPUT_DIM=""
|
|
|
|
# Is stderr on the terminal? If not, then fail
|
|
test -t 2 || return 1
|
|
|
|
if command -v tput 1>/dev/null 2>&1; then
|
|
if [ $(($(tput colors 2>/dev/null))) -ge 8 ]; then
|
|
# Enable colors
|
|
TPUT_RESET="$(tput sgr 0)"
|
|
TPUT_YELLOW="$(tput setaf 3)"
|
|
TPUT_WHITE="$(tput setaf 7)"
|
|
TPUT_BGRED="$(tput setab 1)"
|
|
TPUT_BGGREEN="$(tput setab 2)"
|
|
TPUT_BOLD="$(tput bold)"
|
|
TPUT_DIM="$(tput dim)"
|
|
fi
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
setup_terminal || echo >/dev/null
|
|
|
|
run_ok() {
|
|
printf >&2 "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD} OK ${TPUT_RESET} ${*} \n\n"
|
|
}
|
|
|
|
run_failed() {
|
|
printf >&2 "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD} FAILED ${TPUT_RESET} ${*} \n\n"
|
|
}
|
|
|
|
ESCAPED_PRINT_METHOD=
|
|
printf "%q " test >/dev/null 2>&1
|
|
[ $? -eq 0 ] && ESCAPED_PRINT_METHOD="printfq"
|
|
escaped_print() {
|
|
if [ "${ESCAPED_PRINT_METHOD}" = "printfq" ]; then
|
|
printf "%q " "${@}"
|
|
else
|
|
printf "%s" "${*}"
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
run_logfile="/dev/null"
|
|
run() {
|
|
local user="${USER--}" dir="${PWD}" info info_console
|
|
|
|
if [ "${UID}" = "0" ]; then
|
|
info="[root ${dir}]# "
|
|
info_console="[${TPUT_DIM}${dir}${TPUT_RESET}]# "
|
|
else
|
|
info="[${user} ${dir}]$ "
|
|
info_console="[${TPUT_DIM}${dir}${TPUT_RESET}]$ "
|
|
fi
|
|
|
|
printf >>"${run_logfile}" "${info}"
|
|
escaped_print >>"${run_logfile}" "${@}"
|
|
printf >>"${run_logfile}" " ... "
|
|
|
|
printf >&2 "${info_console}${TPUT_BOLD}${TPUT_YELLOW}"
|
|
escaped_print >&2 "${@}"
|
|
printf >&2 "${TPUT_RESET}\n"
|
|
|
|
"${@}"
|
|
|
|
local ret=$?
|
|
if [ ${ret} -ne 0 ]; then
|
|
run_failed
|
|
printf >>"${run_logfile}" "FAILED with exit code ${ret}\n"
|
|
else
|
|
run_ok
|
|
printf >>"${run_logfile}" "OK\n"
|
|
fi
|
|
|
|
return ${ret}
|
|
}
|
|
|
|
portable_del_group() {
|
|
local groupname="${1}"
|
|
|
|
# Check if group exist
|
|
echo >&2 "Removing ${groupname} user group ..."
|
|
|
|
# Linux
|
|
if command -v groupdel 1>/dev/null 2>&1; then
|
|
run groupdel -f "${groupname}" && return 0
|
|
fi
|
|
|
|
# mac OS
|
|
if command -v dseditgroup 1> /dev/null 2>&1; then
|
|
if dseditgroup -o read netdata 1> /dev/null 2>&1; then
|
|
run dseditgroup -o delete "${groupname}" && return 0
|
|
else
|
|
echo >&2 "Could not find group ${groupname}, nothing to do"
|
|
fi
|
|
fi
|
|
|
|
echo >&2 "Group ${groupname} was not automatically removed, you might have to remove it manually"
|
|
return 1
|
|
}
|
|
|
|
portable_del_user() {
|
|
local username="${1}"
|
|
echo >&2 "Deleting ${username} user account ..."
|
|
|
|
# Linux
|
|
if command -v userdel 1>/dev/null 2>&1; then
|
|
run userdel -f "${username}" && return 0
|
|
fi
|
|
|
|
# mac OS
|
|
if command -v sysadminctl 1>/dev/null 2>&1; then
|
|
run sysadminctl -deleteUser "${username}" && return 0
|
|
fi
|
|
|
|
echo >&2 "User ${username} could not be deleted from system, you might have to remove it manually"
|
|
return 1
|
|
}
|
|
|
|
portable_del_user_from_group() {
|
|
local groupname="${1}" username="${2}"
|
|
|
|
# username is not in group
|
|
echo >&2 "Deleting ${username} user from ${groupname} group ..."
|
|
|
|
# Linux
|
|
if command -v gpasswd 1>/dev/null 2>&1; then
|
|
run gpasswd -d "netdata" "${group}" && return 0
|
|
fi
|
|
|
|
# FreeBSD
|
|
if command -v pw 1>/dev/null 2>&1; then
|
|
run pw groupmod "${groupname}" -d "${username}" && return 0
|
|
fi
|
|
|
|
# BusyBox
|
|
if command -v delgroup 1>/dev/null 2>&1; then
|
|
run delgroup "${username}" "${groupname}" && return 0
|
|
fi
|
|
|
|
# mac OS
|
|
if command -v dseditgroup 1> /dev/null 2>&1; then
|
|
run dseditgroup -o delete -u "${username}" "${groupname}" && return 0
|
|
fi
|
|
|
|
echo >&2 "Failed to delete user ${username} from group ${groupname} !"
|
|
return 1
|
|
}
|
|
|
|
quit_msg() {
|
|
echo
|
|
if [ "$FILE_REMOVAL_STATUS" -eq 0 ]; then
|
|
echo >&2 "Something went wrong :("
|
|
else
|
|
echo >&2 "Netdata files were successfully removed from your system"
|
|
fi
|
|
}
|
|
|
|
user_input() {
|
|
TEXT="$1"
|
|
if [ "${INTERACTIVITY}" = "-i" ]; then
|
|
read -r -p "$TEXT" >&2
|
|
fi
|
|
}
|
|
|
|
rm_file() {
|
|
FILE="$1"
|
|
if [ -f "${FILE}" ]; then
|
|
run rm -v ${INTERACTIVITY} "${FILE}"
|
|
fi
|
|
}
|
|
|
|
rm_dir() {
|
|
DIR="$1"
|
|
if [ -n "$DIR" ] && [ -d "$DIR" ]; then
|
|
user_input "Press ENTER to recursively delete directory '$DIR' > "
|
|
run rm -v -f -R "${DIR}"
|
|
fi
|
|
}
|
|
|
|
netdata_pids() {
|
|
local p myns ns
|
|
myns="$(readlink /proc/self/ns/pid 2>/dev/null)"
|
|
for p in \
|
|
$(cat /var/run/netdata.pid 2>/dev/null) \
|
|
$(cat /var/run/netdata/netdata.pid 2>/dev/null) \
|
|
$(pidof netdata 2>/dev/null); do
|
|
|
|
ns="$(readlink "/proc/${p}/ns/pid" 2>/dev/null)"
|
|
#shellcheck disable=SC2002
|
|
if [ -z "${myns}" ] || [ -z "${ns}" ] || [ "${myns}" = "${ns}" ]; then
|
|
name="$(cat "/proc/${p}/stat" 2>/dev/null | cut -d '(' -f 2 | cut -d ')' -f 1)"
|
|
if [ "${name}" = "netdata" ]; then
|
|
echo "${p}"
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
|
|
trap quit_msg EXIT
|
|
|
|
#shellcheck source=/dev/null
|
|
source "${ENVIRONMENT_FILE}" || exit 1
|
|
|
|
#### STOP NETDATA
|
|
echo >&2 "Stopping a possibly running netdata..."
|
|
for p in $(netdata_pids); do
|
|
i=0
|
|
while kill "${p}" 2>/dev/null; do
|
|
if [ "$i" -gt 30 ]; then
|
|
echo >&2 "Forcefully stopping netdata with pid ${p}"
|
|
run kill -9 "${p}"
|
|
run sleep 2
|
|
break
|
|
fi
|
|
sleep 1
|
|
i=$((i + 1))
|
|
done
|
|
done
|
|
sleep 2
|
|
|
|
#### REMOVE NETDATA FILES
|
|
rm_file /etc/logrotate.d/netdata
|
|
rm_file /etc/systemd/system/netdata.service
|
|
rm_file /lib/systemd/system/netdata.service
|
|
rm_file /usr/lib/systemd/system/netdata.service
|
|
rm_file /etc/init.d/netdata
|
|
rm_file /etc/periodic/daily/netdata-updater
|
|
rm_file /etc/cron.daily/netdata-updater
|
|
|
|
if [ -n "${NETDATA_PREFIX}" ] && [ -d "${NETDATA_PREFIX}" ]; then
|
|
rm_dir "${NETDATA_PREFIX}"
|
|
else
|
|
rm_file "/usr/sbin/netdata"
|
|
rm_dir "/usr/share/netdata"
|
|
rm_dir "/usr/libexec/netdata"
|
|
rm_dir "/var/lib/netdata"
|
|
rm_dir "/var/cache/netdata"
|
|
rm_dir "/var/log/netdata"
|
|
rm_dir "/etc/netdata"
|
|
fi
|
|
|
|
FILE_REMOVAL_STATUS=1
|
|
|
|
#### REMOVE NETDATA USER FROM ADDED GROUPS
|
|
if [ -n "$NETDATA_ADDED_TO_GROUPS" ]; then
|
|
user_input "Press ENTER to delete 'netdata' from following groups: '$NETDATA_ADDED_TO_GROUPS' > "
|
|
for group in $NETDATA_ADDED_TO_GROUPS; do
|
|
portable_del_user_from_group "${group}" "netdata"
|
|
done
|
|
fi
|
|
|
|
#### REMOVE USER
|
|
user_input "Press ENTER to delete 'netdata' system user > "
|
|
portable_del_user "netdata" || :
|
|
|
|
### REMOVE GROUP
|
|
user_input "Press ENTER to delete 'netdata' system group > "
|
|
portable_del_group "netdata" || :
|