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-rwxr-xr-xpackaging/installer/netdata-uninstaller.sh208
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" || :