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Diffstat (limited to '')
| -rw-r--r-- | packaging/installer/functions.sh | 797 |
1 files changed, 797 insertions, 0 deletions
diff --git a/packaging/installer/functions.sh b/packaging/installer/functions.sh new file mode 100644 index 0000000..a2d7365 --- /dev/null +++ b/packaging/installer/functions.sh @@ -0,0 +1,797 @@ +# no shebang necessary - this is a library to be sourced +# SPDX-License-Identifier: GPL-3.0-or-later +# shellcheck disable=SC1091,SC1117,SC2002,SC2004,SC2034,SC2046,SC2059,SC2086,SC2129,SC2148,SC2154,SC2155,SC2162,SC2166,SC2181,SC2193 + +# make sure we have a UID +[ -z "${UID}" ] && UID="$(id -u)" + +# ----------------------------------------------------------------------------- +# checking the availability of commands + +which_cmd() { + # shellcheck disable=SC2230 + which "${1}" 2>/dev/null || command -v "${1}" 2>/dev/null +} + +check_cmd() { + which_cmd "${1}" >/dev/null 2>&1 && return 0 + return 1 +} + +# ----------------------------------------------------------------------------- + +setup_terminal() { + TPUT_RESET="" + TPUT_BLACK="" + TPUT_RED="" + TPUT_GREEN="" + TPUT_YELLOW="" + TPUT_BLUE="" + TPUT_PURPLE="" + TPUT_CYAN="" + TPUT_WHITE="" + TPUT_BGBLACK="" + TPUT_BGRED="" + TPUT_BGGREEN="" + TPUT_BGYELLOW="" + TPUT_BGBLUE="" + TPUT_BGPURPLE="" + TPUT_BGCYAN="" + TPUT_BGWHITE="" + TPUT_BOLD="" + TPUT_DIM="" + TPUT_UNDERLINED="" + TPUT_BLINK="" + TPUT_INVERTED="" + TPUT_STANDOUT="" + TPUT_BELL="" + TPUT_CLEAR="" + + # Is stderr on the terminal? If not, then fail + test -t 2 || return 1 + + if check_cmd tput; then + if [ $(($(tput colors 2>/dev/null))) -ge 8 ]; then + # Enable colors + TPUT_RESET="$(tput sgr 0)" + TPUT_BLACK="$(tput setaf 0)" + TPUT_RED="$(tput setaf 1)" + TPUT_GREEN="$(tput setaf 2)" + TPUT_YELLOW="$(tput setaf 3)" + TPUT_BLUE="$(tput setaf 4)" + TPUT_PURPLE="$(tput setaf 5)" + TPUT_CYAN="$(tput setaf 6)" + TPUT_WHITE="$(tput setaf 7)" + TPUT_BGBLACK="$(tput setab 0)" + TPUT_BGRED="$(tput setab 1)" + TPUT_BGGREEN="$(tput setab 2)" + TPUT_BGYELLOW="$(tput setab 3)" + TPUT_BGBLUE="$(tput setab 4)" + TPUT_BGPURPLE="$(tput setab 5)" + TPUT_BGCYAN="$(tput setab 6)" + TPUT_BGWHITE="$(tput setab 7)" + TPUT_BOLD="$(tput bold)" + TPUT_DIM="$(tput dim)" + TPUT_UNDERLINED="$(tput smul)" + TPUT_BLINK="$(tput blink)" + TPUT_INVERTED="$(tput rev)" + TPUT_STANDOUT="$(tput smso)" + TPUT_BELL="$(tput bel)" + TPUT_CLEAR="$(tput clear)" + fi + fi + + return 0 +} +setup_terminal || echo >/dev/null + +progress() { + echo >&2 " --- ${TPUT_DIM}${TPUT_BOLD}${*}${TPUT_RESET} --- " +} + +# ----------------------------------------------------------------------------- + +netdata_banner() { + local l1=" ^" \ + l2=" |.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-" \ + l3=" | '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' " \ + l4=" +----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--->" \ + sp=" " \ + netdata="netdata" start end msg="${*}" chartcolor="${TPUT_DIM}" + + [ ${#msg} -lt ${#netdata} ] && msg="${msg}${sp:0:$((${#netdata} - ${#msg}))}" + [ ${#msg} -gt $((${#l2} - 20)) ] && msg="${msg:0:$((${#l2} - 23))}..." + + start="$((${#l2} / 2 - 4))" + [ $((start + ${#msg} + 4)) -gt ${#l2} ] && start=$((${#l2} - ${#msg} - 4)) + end=$((start + ${#msg} + 4)) + + echo >&2 + echo >&2 "${chartcolor}${l1}${TPUT_RESET}" + echo >&2 "${chartcolor}${l2:0:start}${sp:0:2}${TPUT_RESET}${TPUT_BOLD}${TPUT_GREEN}${netdata}${TPUT_RESET}${chartcolor}${sp:0:$((end - start - 2 - ${#netdata}))}${l2:end:$((${#l2} - end))}${TPUT_RESET}" + echo >&2 "${chartcolor}${l3:0:start}${sp:0:2}${TPUT_RESET}${TPUT_BOLD}${TPUT_CYAN}${msg}${TPUT_RESET}${chartcolor}${sp:0:2}${l3:end:$((${#l2} - end))}${TPUT_RESET}" + echo >&2 "${chartcolor}${l4}${TPUT_RESET}" + echo >&2 +} + +# ----------------------------------------------------------------------------- +# portable service command + +service_cmd="$(which_cmd service)" +rcservice_cmd="$(which_cmd rc-service)" +systemctl_cmd="$(which_cmd systemctl)" +service() { + local cmd="${1}" action="${2}" + + if [ ! -z "${systemctl_cmd}" ]; then + run "${systemctl_cmd}" "${action}" "${cmd}" + return $? + elif [ ! -z "${service_cmd}" ]; then + run "${service_cmd}" "${cmd}" "${action}" + return $? + elif [ ! -z "${rcservice_cmd}" ]; then + run "${rcservice_cmd}" "${cmd}" "${action}" + return $? + fi + return 1 +} + +# ----------------------------------------------------------------------------- +# portable pidof + +pidof_cmd="$(which_cmd pidof)" +pidof() { + if [ ! -z "${pidof_cmd}" ]; then + ${pidof_cmd} "${@}" + return $? + else + ps -acxo pid,comm | + sed "s/^ *//g" | + grep netdata | + cut -d ' ' -f 1 + return $? + fi +} + +# ----------------------------------------------------------------------------- +# portable delete recursively interactively + +portable_deletedir_recursively_interactively() { + if [ ! -z "$1" -a -d "$1" ]; then + if [ "$(uname -s)" = "Darwin" ]; then + echo >&2 + read >&2 -p "Press ENTER to recursively delete directory '$1' > " + echo >&2 "Deleting directory '$1' ..." + run rm -R "$1" + else + echo >&2 + echo >&2 "Deleting directory '$1' ..." + run rm -I -R "$1" + fi + else + echo "Directory '$1' does not exist." + fi +} + +# ----------------------------------------------------------------------------- + +export SYSTEM_CPUS=1 +portable_find_processors() { + if [ -f "/proc/cpuinfo" ]; then + # linux + SYSTEM_CPUS=$(grep -c ^processor /proc/cpuinfo) + else + # freebsd + SYSTEM_CPUS=$(sysctl hw.ncpu 2>/dev/null | grep ^hw.ncpu | cut -d ' ' -f 2) + fi + [ -z "${SYSTEM_CPUS}" -o $((SYSTEM_CPUS)) -lt 1 ] && SYSTEM_CPUS=1 +} +portable_find_processors + +# ----------------------------------------------------------------------------- + +run_ok() { + printf >&2 "${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 ${ret} +} + +getent_cmd="$(which_cmd getent)" +portable_check_user_exists() { + local username="${1}" found= + + if [ ! -z "${getent_cmd}" ]; then + "${getent_cmd}" passwd "${username}" >/dev/null 2>&1 + return $? + fi + + found="$(cut -d ':' -f 1 </etc/passwd | grep "^${username}$")" + [ "${found}" = "${username}" ] && return 0 + return 1 +} + +portable_check_group_exists() { + local groupname="${1}" found= + + if [ ! -z "${getent_cmd}" ]; then + "${getent_cmd}" group "${groupname}" >/dev/null 2>&1 + return $? + fi + + found="$(cut -d ':' -f 1 </etc/group | grep "^${groupname}$")" + [ "${found}" = "${groupname}" ] && return 0 + return 1 +} + +portable_check_user_in_group() { + local username="${1}" groupname="${2}" users= + + if [ ! -z "${getent_cmd}" ]; then + users="$(getent group "${groupname}" | cut -d ':' -f 4)" + else + users="$(grep "^${groupname}:" </etc/group | cut -d ':' -f 4)" + fi + + [[ ",${users}," =~ ,${username}, ]] && return 0 + return 1 +} + +portable_add_user() { + local username="${1}" homedir="${2}" + + [ -z "${homedir}" ] && homedir="/tmp" + + portable_check_user_exists "${username}" + [ $? -eq 0 ] && echo >&2 "User '${username}' already exists." && return 0 + + echo >&2 "Adding ${username} user account with home ${homedir} ..." + + # shellcheck disable=SC2230 + local nologin="$(which nologin 2>/dev/null || command -v nologin 2>/dev/null || echo '/bin/false')" + + # Linux + if check_cmd useradd; then + run useradd -r -g "${username}" -c "${username}" -s "${nologin}" --no-create-home -d "${homedir}" "${username}" && return 0 + fi + + # FreeBSD + if check_cmd pw; then + run pw useradd "${username}" -d "${homedir}" -g "${username}" -s "${nologin}" && return 0 + fi + + # BusyBox + if check_cmd adduser; then + run adduser -h "${homedir}" -s "${nologin}" -D -G "${username}" "${username}" && return 0 + fi + + echo >&2 "Failed to add ${username} user account !" + + return 1 +} + +portable_add_group() { + local groupname="${1}" + + portable_check_group_exists "${groupname}" + [ $? -eq 0 ] && echo >&2 "Group '${groupname}' already exists." && return 0 + + echo >&2 "Adding ${groupname} user group ..." + + # Linux + if check_cmd groupadd; then + run groupadd -r "${groupname}" && return 0 + fi + + # FreeBSD + if check_cmd pw; then + run pw groupadd "${groupname}" && return 0 + fi + + # BusyBox + if check_cmd addgroup; then + run addgroup "${groupname}" && return 0 + fi + + echo >&2 "Failed to add ${groupname} user group !" + return 1 +} + +portable_add_user_to_group() { + local groupname="${1}" username="${2}" + + portable_check_group_exists "${groupname}" + [ $? -ne 0 ] && echo >&2 "Group '${groupname}' does not exist." && return 1 + + # find the user is already in the group + if portable_check_user_in_group "${username}" "${groupname}"; then + # username is already there + echo >&2 "User '${username}' is already in group '${groupname}'." + return 0 + else + # username is not in group + echo >&2 "Adding ${username} user to the ${groupname} group ..." + + # Linux + if check_cmd usermod; then + run usermod -a -G "${groupname}" "${username}" && return 0 + fi + + # FreeBSD + if check_cmd pw; then + run pw groupmod "${groupname}" -m "${username}" && return 0 + fi + + # BusyBox + if check_cmd addgroup; then + run addgroup "${username}" "${groupname}" && return 0 + fi + + echo >&2 "Failed to add user ${username} to group ${groupname} !" + return 1 + fi +} + +iscontainer() { + # man systemd-detect-virt + local cmd=$(which_cmd systemd-detect-virt) + if [ ! -z "${cmd}" -a -x "${cmd}" ]; then + "${cmd}" --container >/dev/null 2>&1 && return 0 + fi + + # /proc/1/sched exposes the host's pid of our init ! + # http://stackoverflow.com/a/37016302 + local pid=$(cat /proc/1/sched 2>/dev/null | head -n 1 | { + IFS='(),#:' read name pid th threads + echo $pid + }) + if [ ! -z "${pid}" ]; then + pid=$(( pid + 0 )) + [ ${pid} -gt 1 ] && return 0 + fi + + # lxc sets environment variable 'container' + [ ! -z "${container}" ] && return 0 + + # docker creates /.dockerenv + # http://stackoverflow.com/a/25518345 + [ -f "/.dockerenv" ] && return 0 + + # ubuntu and debian supply /bin/running-in-container + # https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container + if [ -x "/bin/running-in-container" ]; then + "/bin/running-in-container" >/dev/null 2>&1 && return 0 + fi + + return 1 +} + +issystemd() { + local pids p myns ns systemctl + + # if the directory /lib/systemd/system OR /usr/lib/systemd/system (SLES 12.x) does not exit, it is not systemd + [ ! -d /lib/systemd/system -a ! -d /usr/lib/systemd/system ] && return 1 + + # if there is no systemctl command, it is not systemd + # shellcheck disable=SC2230 + systemctl=$(which systemctl 2>/dev/null || command -v systemctl 2>/dev/null) + [ -z "${systemctl}" -o ! -x "${systemctl}" ] && return 1 + + # if pid 1 is systemd, it is systemd + [ "$(basename $(readlink /proc/1/exe) 2>/dev/null)" = "systemd" ] && return 0 + + # if systemd is not running, it is not systemd + pids=$(pidof systemd 2>/dev/null) + [ -z "${pids}" ] && return 1 + + # check if the running systemd processes are not in our namespace + myns="$(readlink /proc/self/ns/pid 2>/dev/null)" + for p in ${pids}; do + ns="$(readlink /proc/${p}/ns/pid 2>/dev/null)" + + # if pid of systemd is in our namespace, it is systemd + [ ! -z "${myns}" ] && [ "${myns}" = "${ns}" ] && return 0 + done + + # else, it is not systemd + return 1 +} + +install_non_systemd_init() { + [ "${UID}" != 0 ] && return 1 + + local key="unknown" + if [ -f /etc/os-release ]; then + source /etc/os-release || return 1 + key="${ID}-${VERSION_ID}" + + elif [ -f /etc/redhat-release ]; then + key=$(</etc/redhat-release) + fi + + if [ -d /etc/init.d -a ! -f /etc/init.d/netdata ]; then + if [[ ${key} =~ ^(gentoo|alpine).* ]]; then + echo >&2 "Installing OpenRC init file..." + run cp system/netdata-openrc /etc/init.d/netdata && + run chmod 755 /etc/init.d/netdata && + run rc-update add netdata default && + return 0 + + elif [ "${key}" = "debian-7" \ + -o "${key}" = "ubuntu-12.04" \ + -o "${key}" = "ubuntu-14.04" \ + ]; then + echo >&2 "Installing LSB init file..." + run cp system/netdata-lsb /etc/init.d/netdata && + run chmod 755 /etc/init.d/netdata && + run update-rc.d netdata defaults && + run update-rc.d netdata enable && + return 0 + elif [[ ${key} =~ ^(amzn-201[5678]|ol|CentOS release 6|Red Hat Enterprise Linux Server release 6|Scientific Linux CERN SLC release 6|CloudLinux Server release 6).* ]]; then + echo >&2 "Installing init.d file..." + run cp system/netdata-init-d /etc/init.d/netdata && + run chmod 755 /etc/init.d/netdata && + run chkconfig netdata on && + return 0 + else + echo >&2 "I don't know what init file to install on system '${key}'. Open a github issue to help us fix it." + return 1 + fi + elif [ -f /etc/init.d/netdata ]; then + echo >&2 "file '/etc/init.d/netdata' already exists." + return 0 + else + echo >&2 "I don't know what init file to install on system '${key}'. Open a github issue to help us fix it." + fi + + return 1 +} + +NETDATA_START_CMD="netdata" +NETDATA_STOP_CMD="killall netdata" + +install_netdata_service() { + local uname="$(uname 2>/dev/null)" + + if [ "${UID}" -eq 0 ]; then + if [ "${uname}" = "Darwin" ]; then + + if [ -f "/Library/LaunchDaemons/com.github.netdata.plist" ]; then + echo >&2 "file '/Library/LaunchDaemons/com.github.netdata.plist' already exists." + return 0 + else + echo >&2 "Installing MacOS X plist file..." + run cp system/netdata.plist /Library/LaunchDaemons/com.github.netdata.plist && + run launchctl load /Library/LaunchDaemons/com.github.netdata.plist && + return 0 + fi + + elif [ "${uname}" = "FreeBSD" ]; then + + run cp system/netdata-freebsd /etc/rc.d/netdata && + NETDATA_START_CMD="service netdata start" && + NETDATA_STOP_CMD="service netdata stop" && + return 0 + + elif issystemd; then + # systemd is running on this system + NETDATA_START_CMD="systemctl start netdata" + NETDATA_STOP_CMD="systemctl stop netdata" + + SYSTEMD_DIRECTORY="" + + if [ -d "/lib/systemd/system" ]; then + SYSTEMD_DIRECTORY="/lib/systemd/system" + elif [ -d "/usr/lib/systemd/system" ]; then + SYSTEMD_DIRECTORY="/usr/lib/systemd/system" + fi + + if [ "${SYSTEMD_DIRECTORY}x" != "x" ]; then + echo >&2 "Installing systemd service..." + run cp system/netdata.service "${SYSTEMD_DIRECTORY}/netdata.service" && + run systemctl daemon-reload && + run systemctl enable netdata && + return 0 + else + echo >&2 "no systemd directory; cannot install netdata.service" + fi + else + install_non_systemd_init + local ret=$? + + if [ ${ret} -eq 0 ]; then + if [ ! -z "${service_cmd}" ]; then + NETDATA_START_CMD="service netdata start" + NETDATA_STOP_CMD="service netdata stop" + elif [ ! -z "${rcservice_cmd}" ]; then + NETDATA_START_CMD="rc-service netdata start" + NETDATA_STOP_CMD="rc-service netdata stop" + fi + fi + + return ${ret} + fi + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# stop netdata + +pidisnetdata() { + if [ -d /proc/self ]; then + [ -z "$1" -o ! -f "/proc/$1/stat" ] && return 1 + [ "$(cat "/proc/$1/stat" | cut -d '(' -f 2 | cut -d ')' -f 1)" = "netdata" ] && return 0 + return 1 + fi + return 0 +} + +stop_netdata_on_pid() { + local pid="${1}" ret=0 count=0 + + pidisnetdata ${pid} || return 0 + + printf >&2 "Stopping netdata on pid ${pid} ..." + while [ ! -z "$pid" -a ${ret} -eq 0 ]; do + if [ ${count} -gt 45 ]; then + echo >&2 "Cannot stop the running netdata on pid ${pid}." + return 1 + fi + + count=$((count + 1)) + + run kill ${pid} 2>/dev/null + ret=$? + + test ${ret} -eq 0 && printf >&2 "." && sleep 2 + done + + echo >&2 + if [ ${ret} -eq 0 ]; then + echo >&2 "SORRY! CANNOT STOP netdata ON PID ${pid} !" + return 1 + fi + + echo >&2 "netdata on pid ${pid} stopped." + return 0 +} + +netdata_pids() { + local p myns ns + + myns="$(readlink /proc/self/ns/pid 2>/dev/null)" + + # echo >&2 "Stopping a (possibly) running netdata (namespace '${myns}')..." + + 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/${p}/ns/pid 2>/dev/null)" + + if [ -z "${myns}" -o -z "${ns}" -o "${myns}" = "${ns}" ]; then + pidisnetdata ${p} && echo "${p}" + fi + done +} + +stop_all_netdata() { + local p + for p in $(netdata_pids); do + stop_netdata_on_pid ${p} + done +} + +# ----------------------------------------------------------------------------- +# restart netdata + +restart_netdata() { + local netdata="${1}" + shift + + local started=0 + + progress "Start netdata" + + if [ "${UID}" -eq 0 ]; then + service netdata stop + stop_all_netdata + service netdata restart && started=1 + + if [ ${started} -eq 1 -a -z "$(netdata_pids)" ]; then + echo >&2 "Ooops! it seems netdata is not started." + started=0 + fi + + if [ ${started} -eq 0 ]; then + service netdata start && started=1 + fi + fi + + if [ ${started} -eq 1 -a -z "$(netdata_pids)" ]; then + echo >&2 "Hm... it seems netdata is still not started." + started=0 + fi + + if [ ${started} -eq 0 ]; then + # still not started... + + run stop_all_netdata + run "${netdata}" "${@}" + return $? + fi + + return 0 +} + +# ----------------------------------------------------------------------------- +# install netdata logrotate + +install_netdata_logrotate() { + if [ ${UID} -eq 0 ]; then + if [ -d /etc/logrotate.d ]; then + if [ ! -f /etc/logrotate.d/netdata ]; then + run cp system/netdata.logrotate /etc/logrotate.d/netdata + fi + + if [ -f /etc/logrotate.d/netdata ]; then + run chmod 644 /etc/logrotate.d/netdata + fi + + return 0 + fi + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# download netdata.conf + +fix_netdata_conf() { + local owner="${1}" + + if [ "${UID}" -eq 0 ]; then + run chown "${owner}" "${filename}" + fi + run chmod 0664 "${filename}" +} + +generate_netdata_conf() { + local owner="${1}" filename="${2}" url="${3}" + + if [ ! -s "${filename}" ]; then + cat >"${filename}" <<EOFCONF +# netdata can generate its own config. +# Get it with: +# +# wget -O ${filename} "${url}" +# +# or +# +# curl -s -o ${filename} "${url}" +# +EOFCONF + fix_netdata_conf "${owner}" + fi +} + +download_netdata_conf() { + local owner="${1}" filename="${2}" url="${3}" + + if [ ! -s "${filename}" ]; then + echo >&2 + echo >&2 "-------------------------------------------------------------------------------" + echo >&2 + echo >&2 "Downloading default configuration from netdata..." + sleep 5 + + # remove a possibly obsolete download + [ -f "${filename}.new" ] && rm "${filename}.new" + + # disable a proxy to get data from the local netdata + export http_proxy= + export https_proxy= + + # try curl + run curl -s -o "${filename}.new" "${url}" + ret=$? + + if [ ${ret} -ne 0 -o ! -s "${filename}.new" ]; then + # try wget + run wget -O "${filename}.new" "${url}" + ret=$? + fi + + if [ ${ret} -eq 0 -a -s "${filename}.new" ]; then + run mv "${filename}.new" "${filename}" + run_ok "New configuration saved for you to edit at ${filename}" + else + [ -f "${filename}.new" ] && rm "${filename}.new" + run_failed "Cannnot download configuration from netdata daemon using url '${url}'" + + generate_netdata_conf "${owner}" "${filename}" "${url}" + fi + + fix_netdata_conf "${owner}" + fi +} + +# ----------------------------------------------------------------------------- +# add netdata user and group + +NETDATA_WANTED_GROUPS="docker nginx varnish haproxy adm nsd proxy squid ceph nobody" +NETDATA_ADDED_TO_GROUPS="" +add_netdata_user_and_group() { + local homedir="${1}" g + + if [ ${UID} -eq 0 ]; then + portable_add_group netdata || return 1 + portable_add_user netdata "${homedir}" || return 1 + + for g in ${NETDATA_WANTED_GROUPS}; do + portable_add_user_to_group ${g} netdata && NETDATA_ADDED_TO_GROUPS="${NETDATA_ADDED_TO_GROUPS} ${g}" + done + + [ ~netdata = / ] && cat <<USERMOD + +The netdata user has its home directory set to / +You may want to change it, using this command: + +# usermod -d "${homedir}" netdata + +USERMOD + return 0 + fi + + return 1 +} |