diff options
Diffstat (limited to 'packaging/installer/netdata-uninstaller.sh')
| -rwxr-xr-x | packaging/installer/netdata-uninstaller.sh | 208 |
1 files changed, 186 insertions, 22 deletions
diff --git a/packaging/installer/netdata-uninstaller.sh b/packaging/installer/netdata-uninstaller.sh index 96dd62906..cfd858c02 100755 --- a/packaging/installer/netdata-uninstaller.sh +++ b/packaging/installer/netdata-uninstaller.sh @@ -1,11 +1,15 @@ #!/usr/bin/env bash #shellcheck disable=SC2181 - -# this script will uninstall netdata - +# +# 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: Paul Emm. Katsoulakis <paul@netdata.cloud> +# usage="$(basename "$0") [-h] [-f ] -- program to calculate the answer to life, the universe and everything @@ -46,13 +50,13 @@ while :; do done if [ "$YES" != "1" ]; then - echo "This script will REMOVE netdata from your system." - echo "Run it again with --yes to do it." + echo >&2 "This script will REMOVE netdata from your system." + echo >&2 "Run it again with --yes to do it." exit 1 fi if [[ $EUID -ne 0 ]]; then - echo "This script SHOULD be run as root or otherwise it won't delete all installed components." + echo >&2 "This script SHOULD be run as root or otherwise it won't delete all installed components." key="n" read -r -s -n 1 -p "Do you want to continue as non-root user [y/n] ? " key if [ "$key" != "y" ] && [ "$key" != "Y" ]; then @@ -60,34 +64,191 @@ if [[ $EUID -ne 0 ]]; then fi fi -function quit_msg() { +# ----------------------------------------------------------------------------- + +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 "Something went wrong :(" + echo >&2 "Something went wrong :(" else - echo "Netdata files were successfully removed from your system" + echo >&2 "Netdata files were successfully removed from your system" fi } -function user_input() { +user_input() { TEXT="$1" if [ "${INTERACTIVITY}" == "-i" ]; then read -r -p "$TEXT" >&2 fi } -function rm_file() { +rm_file() { FILE="$1" if [ -f "${FILE}" ]; then - rm -v ${INTERACTIVITY} "${FILE}" + run rm -v ${INTERACTIVITY} "${FILE}" fi } -function rm_dir() { +rm_dir() { DIR="$1" if [ -n "$DIR" ] && [ -d "$DIR" ]; then user_input "Press ENTER to recursively delete directory '$DIR' > " - rm -v -f -R "${DIR}" + run rm -v -f -R "${DIR}" fi } @@ -116,14 +277,14 @@ trap quit_msg EXIT source "${ENVIRONMENT_FILE}" || exit 1 #### STOP NETDATA -echo "Stopping a possibly running 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 "Forcefully stopping netdata with pid ${p}" - kill -9 "${p}" - sleep 2 + echo >&2 "Forcefully stopping netdata with pid ${p}" + run kill -9 "${p}" + run sleep 2 break fi sleep 1 @@ -155,15 +316,18 @@ fi FILE_REMOVAL_STATUS=1 -#### REMOVE NETDATA USER & GROUP +#### 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 $NETDATA_ADDED_TO_GROUPS; do - gpasswd -d netdata "${group}" + portable_del_user_from_group "${group}" "netdata" done fi +#### REMOVE USER user_input "Press ENTER to delete 'netdata' system user > " -userdel -f netdata || : +portable_del_user "netdata" || : + +### REMOVE GROUP user_input "Press ENTER to delete 'netdata' system group > " -groupdel -f netdata || : +portable_del_group "netdata" || : |