Merging upstream version 1.15.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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" || :