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-rw-r--r--packaging/installer/functions.sh1080
1 files changed, 1080 insertions, 0 deletions
diff --git a/packaging/installer/functions.sh b/packaging/installer/functions.sh
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@@ -0,0 +1,1080 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# next unused error code: L0003
+
+# make sure we have a UID
+[ -z "${UID}" ] && UID="$(id -u)"
+# -----------------------------------------------------------------------------
+
+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 command -v tput 1> /dev/null 2>&1; then
+ if [ $(($(tput colors 2> /dev/null))) -ge 8 ]; then
+ # Enable colors
+ TPUT_RESET="$(tput sgr 0)"
+ # shellcheck disable=SC2034
+ TPUT_BLACK="$(tput setaf 0)"
+ # shellcheck disable=SC2034
+ TPUT_RED="$(tput setaf 1)"
+ TPUT_GREEN="$(tput setaf 2)"
+ # shellcheck disable=SC2034
+ TPUT_YELLOW="$(tput setaf 3)"
+ # shellcheck disable=SC2034
+ TPUT_BLUE="$(tput setaf 4)"
+ # shellcheck disable=SC2034
+ TPUT_PURPLE="$(tput setaf 5)"
+ # shellcheck disable=SC2034
+ TPUT_CYAN="$(tput setaf 6)"
+ TPUT_WHITE="$(tput setaf 7)"
+ # shellcheck disable=SC2034
+ TPUT_BGBLACK="$(tput setab 0)"
+ TPUT_BGRED="$(tput setab 1)"
+ TPUT_BGGREEN="$(tput setab 2)"
+ # shellcheck disable=SC2034
+ TPUT_BGYELLOW="$(tput setab 3)"
+ # shellcheck disable=SC2034
+ TPUT_BGBLUE="$(tput setab 4)"
+ # shellcheck disable=SC2034
+ TPUT_BGPURPLE="$(tput setab 5)"
+ # shellcheck disable=SC2034
+ TPUT_BGCYAN="$(tput setab 6)"
+ # shellcheck disable=SC2034
+ TPUT_BGWHITE="$(tput setab 7)"
+ TPUT_BOLD="$(tput bold)"
+ TPUT_DIM="$(tput dim)"
+ # shellcheck disable=SC2034
+ TPUT_UNDERLINED="$(tput smul)"
+ # shellcheck disable=SC2034
+ TPUT_BLINK="$(tput blink)"
+ # shellcheck disable=SC2034
+ TPUT_INVERTED="$(tput rev)"
+ # shellcheck disable=SC2034
+ TPUT_STANDOUT="$(tput smso)"
+ # shellcheck disable=SC2034
+ TPUT_BELL="$(tput bel)"
+ # shellcheck disable=SC2034
+ TPUT_CLEAR="$(tput clear)"
+ fi
+ fi
+
+ return 0
+}
+setup_terminal || echo > /dev/null
+
+progress() {
+ echo >&2 " --- ${TPUT_DIM}${TPUT_BOLD}${*}${TPUT_RESET} --- "
+}
+
+check_for_curl() {
+ if [ -z "${curl}" ]; then
+ curl="$(PATH="${PATH}:/opt/netdata/bin" command -v curl 2>/dev/null && true)"
+ fi
+}
+
+get() {
+ url="${1}"
+
+ check_for_curl
+
+ if [ -n "${curl}" ]; then
+ "${curl}" -q -o - -sSL --connect-timeout 10 --retry 3 "${url}"
+ elif command -v wget > /dev/null 2>&1; then
+ wget -T 15 -O - "${url}"
+ else
+ fatal "I need curl or wget to proceed, but neither is available on this system." "L0002"
+ fi
+}
+
+download_file() {
+ url="${1}"
+ dest="${2}"
+ name="${3}"
+ opt="${4}"
+
+ check_for_curl
+
+ if [ -n "${curl}" ]; then
+ run "${curl}" -q -sSL --connect-timeout 10 --retry 3 --output "${dest}" "${url}"
+ elif command -v wget > /dev/null 2>&1; then
+ run wget -T 15 -O "${dest}" "${url}"
+ else
+ echo >&2
+ echo >&2 "Downloading ${name} from '${url}' failed because of missing mandatory packages."
+ if [ -n "$opt" ]; then
+ echo >&2 "Either add packages or disable it by issuing '--disable-${opt}' in the installer"
+ fi
+ echo >&2
+
+ run_failed "I need curl or wget to proceed, but neither is available on this system."
+ fi
+}
+
+# -----------------------------------------------------------------------------
+# external component handling
+
+fetch_and_verify() {
+ component="${1}"
+ url="${2}"
+ base_name="${3}"
+ tmp="${4}"
+ override="${5}"
+
+ if [ -z "${override}" ]; then
+ download_file "${url}" "${tmp}/${base_name}" "${component}"
+ else
+ progress "Using provided ${component} archive ${override}"
+ run cp "${override}" "${tmp}/${base_name}"
+ fi
+
+ if [ ! -f "${tmp}/${base_name}" ] || [ ! -s "${tmp}/${base_name}" ]; then
+ run_failed "Unable to find usable archive for ${component}"
+ return 1
+ fi
+
+ grep "${base_name}\$" "${INSTALLER_DIR}/packaging/${component}.checksums" > "${tmp}/sha256sums.txt" 2> /dev/null
+
+ # Checksum validation
+ if ! (cd "${tmp}" && safe_sha256sum -c "sha256sums.txt"); then
+ run_failed "${component} files checksum validation failed."
+ return 1
+ fi
+}
+
+# -----------------------------------------------------------------------------
+
+netdata_banner() {
+ l1=" ^" \
+ l2=" |.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-" \
+ l4=" +----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--->" \
+ space=" "
+ l3f=" | '-' '-' '-' '-' '-'"
+ l3e=" '-' '-' '-' '-' '-' "
+
+ netdata="netdata"
+ chartcolor="${TPUT_DIM}"
+
+ echo >&2
+ echo >&2 "${chartcolor}${l1}${TPUT_RESET}"
+ echo >&2 "${chartcolor}${l2%-. .-. .-. .-. .-. .-. .-. .-}${space}${TPUT_RESET}${TPUT_BOLD}${TPUT_GREEN}${netdata}${TPUT_RESET}${chartcolor}${l2# |.-. .-. .-. .-. .-. .-. .-. }${TPUT_RESET}"
+ echo >&2 "${chartcolor}${l3f}${l3e}${TPUT_RESET}"
+ echo >&2 "${chartcolor}${l4}${TPUT_RESET}"
+ echo >&2
+}
+
+# -----------------------------------------------------------------------------
+# portable service command
+
+service_cmd="$(command -v service 2> /dev/null || true)"
+rcservice_cmd="$(command -v rc-service 2> /dev/null || true)"
+systemctl_cmd="$(command -v systemctl 2> /dev/null || true)"
+service() {
+
+ cmd="${1}"
+ action="${2}"
+
+ if [ -n "${systemctl_cmd}" ]; then
+ run "${systemctl_cmd}" "${action}" "${cmd}"
+ return $?
+ elif [ -n "${service_cmd}" ]; then
+ run "${service_cmd}" "${cmd}" "${action}"
+ return $?
+ elif [ -n "${rcservice_cmd}" ]; then
+ run "${rcservice_cmd}" "${cmd}" "${action}"
+ return $?
+ fi
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# portable pidof
+
+safe_pidof() {
+ pidof_cmd="$(command -v pidof 2> /dev/null)"
+ if [ -n "${pidof_cmd}" ]; then
+ ${pidof_cmd} "${@}"
+ return $?
+ else
+ ps -acxo pid,comm |
+ sed "s/^ *//g" |
+ grep netdata |
+ cut -d ' ' -f 1
+ return $?
+ fi
+}
+
+# -----------------------------------------------------------------------------
+find_processors() {
+ # Most UNIX systems have `nproc` as part of their userland (including Linux and BSD)
+ if command -v nproc > /dev/null; then
+ nproc && return
+ fi
+
+ # macOS has no nproc but it may have gnproc installed from Homebrew or from Macports.
+ if command -v gnproc > /dev/null; then
+ gnproc && return
+ fi
+
+ if [ -f "/proc/cpuinfo" ]; then
+ # linux
+ cpus=$(grep -c ^processor /proc/cpuinfo)
+ else
+ # freebsd
+ cpus=$(sysctl hw.ncpu 2> /dev/null | grep ^hw.ncpu | cut -d ' ' -f 2)
+ fi
+ if [ -z "${cpus}" ] || [ $((cpus)) -lt 1 ]; then
+ echo 1
+ else
+ echo "${cpus}"
+ fi
+}
+
+# -----------------------------------------------------------------------------
+exit_reason() {
+ if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
+ EXIT_REASON="${1}"
+ EXIT_CODE="${2}"
+ if [ -n "${NETDATA_PROPAGATE_WARNINGS}" ]; then
+ if [ -n "${NETDATA_SCRIPT_STATUS_PATH}" ]; then
+ {
+ echo "EXIT_REASON=\"${EXIT_REASON}\""
+ echo "EXIT_CODE=\"${EXIT_CODE}\""
+ echo "NETDATA_WARNINGS=\"${NETDATA_WARNINGS}${SAVED_WARNINGS}\""
+ } >> "${NETDATA_SCRIPT_STATUS_PATH}"
+ else
+ export EXIT_REASON
+ export EXIT_CODE
+ export NETDATA_WARNINGS="${NETDATA_WARNINGS}${SAVED_WARNINGS}"
+ fi
+ fi
+ fi
+}
+
+fatal() {
+ printf >&2 "%s ABORTED %s %s \n\n" "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" "${1}"
+ if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
+ SAVED_WARNINGS="${SAVED_WARNINGS}\n - ${1}"
+ fi
+ exit_reason "${1}" "${2}"
+ exit 1
+}
+
+warning() {
+ printf >&2 "%s WARNING %s %s\n\n" "${TPUT_BGYELLOW}${TPUT_BLACK}${TPUT_BOLD}" "${TPUT_RESET}" "${1}"
+ if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
+ SAVED_WARNINGS="${SAVED_WARNINGS}\n - ${1}"
+ fi
+}
+
+run_ok() {
+ printf >&2 "%s OK %s %s\n\n" "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" "${1:-''}"
+}
+
+run_failed() {
+ printf >&2 "%s FAILED %s %s\n\n" "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" "${1:-''}"
+ if [ -n "${NETDATA_SAVE_WARNINGS}" ] && [ -n "${1:-''}" ]; then
+ SAVED_WARNINGS="${SAVED_WARNINGS}\n - ${1}"
+ fi
+}
+
+ESCAPED_PRINT_METHOD=
+if printf "%s " test > /dev/null 2>&1; then
+ ESCAPED_PRINT_METHOD="printfq"
+fi
+escaped_print() {
+ if [ "${ESCAPED_PRINT_METHOD}" = "printfq" ]; then
+ printf "%s " "${@}"
+ else
+ printf "%s" "${*}"
+ fi
+ return 0
+}
+
+run_logfile="/dev/null"
+run() {
+ local_user="${USER--}"
+ local_dir="${PWD}"
+ if [ "${UID}" = "0" ]; then
+ info="[root ${local_dir}]# "
+ info_console="[${TPUT_DIM}${local_dir}${TPUT_RESET}]# "
+ else
+ info="[${local_user} ${local_dir}]$ "
+ info_console="[${TPUT_DIM}${local_dir}${TPUT_RESET}]$ "
+ fi
+
+ {
+ printf "%s" "${info}"
+ escaped_print "${@}"
+ printf "%s" " ... "
+ } >> "${run_logfile}"
+
+ printf >&2 "%s" "${info_console}${TPUT_BOLD}${TPUT_YELLOW}"
+ escaped_print >&2 "${@}"
+ printf >&2 "%s\n" "${TPUT_RESET}"
+
+ "${@}"
+
+ ret=$?
+ if [ ${ret} -ne 0 ]; then
+ run_failed
+ printf >> "${run_logfile}" "FAILED with exit code %s\n" "${ret}"
+ if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
+ SAVED_WARNINGS="${SAVED_WARNINGS}\n - Command '${*}' failed with exit code ${ret}."
+ fi
+ else
+ run_ok
+ printf >> "${run_logfile}" "OK\n"
+ fi
+
+ return ${ret}
+}
+
+iscontainer() {
+ # man systemd-detect-virt
+ cmd=$(command -v systemd-detect-virt 2> /dev/null)
+ if [ -n "${cmd}" ] && [ -x "${cmd}" ]; then
+ "${cmd}" --container > /dev/null 2>&1 && return 0
+ fi
+
+ # /proc/1/sched exposes the host's pid of our init !
+ # http://stackoverflow.com/a/37016302
+ pid=$(head -n 1 /proc/1/sched 2> /dev/null | {
+ # shellcheck disable=SC2034
+ IFS='(),#:' read -r name pid th threads
+ echo "$pid"
+ })
+ if [ -n "${pid}" ]; then
+ pid=$((pid + 0))
+ [ ${pid} -gt 1 ] && return 0
+ fi
+
+ # lxc sets environment variable 'container'
+ # shellcheck disable=SC2154
+ [ -n "${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
+}
+
+get_os_key() {
+ if [ -f /etc/os-release ]; then
+ # shellcheck disable=SC1091
+ . /etc/os-release || return 1
+ echo "${ID}-${VERSION_ID}"
+
+ elif [ -f /etc/redhat-release ]; then
+ cat /etc/redhat-release
+ else
+ echo "unknown"
+ fi
+}
+
+get_group(){
+ if command -v getent > /dev/null 2>&1; then
+ getent group "${1:-""}"
+ else
+ grep "^${1}:" /etc/group
+ fi
+}
+
+issystemd() {
+ 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
+ if [ ! -d /lib/systemd/system ] && [ ! -d /usr/lib/systemd/system ]; then
+ return 1
+ fi
+
+ # if there is no systemctl command, it is not systemd
+ systemctl=$(command -v systemctl 2> /dev/null)
+ if [ -z "${systemctl}" ] || [ ! -x "${systemctl}" ]; then
+ return 1
+ fi
+
+ # if pid 1 is systemd, it is systemd
+ [ "$(basename "$(readlink /proc/1/exe)" 2> /dev/null)" = "systemd" ] && return 0
+
+ # if systemd is not running, it is not systemd
+ pids=$(safe_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/${p}/ns/pid" 2> /dev/null)"
+
+ # if pid of systemd is in our namespace, it is systemd
+ [ -n "${myns}" ] && [ "${myns}" = "${ns}" ] && return 0
+ done
+
+ # else, it is not systemd
+ return 1
+}
+
+get_systemd_service_dir() {
+ if [ -w "/lib/systemd/system" ]; then
+ echo "/lib/systemd/system"
+ elif [ -w "/usr/lib/systemd/system" ]; then
+ echo "/usr/lib/systemd/system"
+ elif [ -w "/etc/systemd/system" ]; then
+ echo "/etc/systemd/system"
+ fi
+}
+
+install_non_systemd_init() {
+ [ "${UID}" != 0 ] && return 1
+ key="$(get_os_key)"
+
+ if [ -d /etc/init.d ] && [ ! -f /etc/init.d/netdata ]; then
+ if expr "${key}" : "^(gentoo|alpine).*"; then
+ echo >&2 "Installing OpenRC init file..."
+ run cp system/openrc/init.d/netdata /etc/init.d/netdata &&
+ run chmod 755 /etc/init.d/netdata &&
+ run rc-update add netdata default &&
+ return 0
+
+ elif expr "${key}" : "^devuan*" || [ "${key}" = "debian-7" ] || [ "${key}" = "ubuntu-12.04" ] || [ "${key}" = "ubuntu-14.04" ]; then
+ echo >&2 "Installing LSB init file..."
+ run cp system/lsb/init.d/netdata /etc/init.d/netdata &&
+ run chmod 755 /etc/init.d/netdata &&
+ run update-rc.d netdata defaults &&
+ run update-rc.d netdata enable &&
+ return 0
+ elif expr "${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/initd/init.d/netdata /etc/init.d/netdata &&
+ run chmod 755 /etc/init.d/netdata &&
+ run chkconfig netdata on &&
+ return 0
+ else
+ warning "Could not determine what type of init script to install on this system."
+ return 1
+ fi
+ elif [ -f /etc/init.d/netdata ]; then
+ echo >&2 "file '/etc/init.d/netdata' already exists."
+ return 0
+ else
+ warning "Could not determine what type of init script to install on this system."
+ fi
+
+ return 1
+}
+
+run_install_service_script() {
+ if [ -z "${tmpdir}" ]; then
+ tmpdir="${TMPDIR:-/tmp}"
+ fi
+
+ # shellcheck disable=SC2154
+ save_path="${tmpdir}/netdata-service-cmds"
+ # shellcheck disable=SC2068
+ "${NETDATA_PREFIX}/usr/libexec/netdata/install-service.sh" --save-cmds "${save_path}" ${@}
+
+ case $? in
+ 0)
+ if [ -r "${save_path}" ]; then
+ # shellcheck disable=SC1090
+ . "${save_path}"
+ fi
+
+ if [ -z "${NETDATA_INSTALLER_START_CMD}" ]; then
+ if [ -n "${NETDATA_START_CMD}" ]; then
+ NETDATA_INSTALLER_START_CMD="${NETDATA_START_CMD}"
+ else
+ NETDATA_INSTALLER_START_CMD="netdata"
+ fi
+ fi
+ ;;
+ 1)
+ if [ -z "${NETDATA_SERVICE_WARNED_1}" ]; then
+ warning "Intenral error encountered while attempting to install or manage Netdata as a system service. This is probably a bug."
+ NETDATA_SERVICE_WARNED_1=1
+ fi
+ ;;
+ 2)
+ if [ -z "${NETDATA_SERVICE_WARNED_2}" ]; then
+ warning "Failed to detect system service manager type. Cannot cleanly install or manage Netdata as a system service. If you are running this script in a container, this is expected and can safely be ignored."
+ NETDATA_SERVICE_WARNED_2=1
+ fi
+ ;;
+ 3)
+ if [ -z "${NETDATA_SERVICE_WARNED_3}" ]; then
+ warning "Detected an unsupported system service manager. Manual setup will be required to manage Netdata as a system service."
+ NETDATA_SERVICE_WARNED_3=1
+ fi
+ ;;
+ 4)
+ if [ -z "${NETDATA_SERVICE_WARNED_4}" ]; then
+ warning "Detected a supported system service manager, but failed to install Netdata as a system service. Usually this is a result of incorrect permissions. Manually running ${NETDATA_PREFIX}/usr/libexec/netdata/install-service.sh may provide more information about the exact issue."
+ NETDATA_SERVICE_WARNED_4=1
+ fi
+ ;;
+ 5)
+ if [ -z "${NETDATA_SERVICE_WARNED_5}" ]; then
+ warning "We do not support managing Netdata as a system service on this platform. Manual setup will be required."
+ NETDATA_SERVICE_WARNED_5=1
+ fi
+ ;;
+ esac
+}
+
+install_netdata_service() {
+ if [ "${UID}" -eq 0 ]; then
+ if [ -x "${NETDATA_PREFIX}/usr/libexec/netdata/install-service.sh" ]; then
+ run_install_service_script && return 0
+ else
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ NETDATA_STOP_CMD="netdatacli shutdown-agent"
+
+ NETDATA_START_CMD="netdata"
+ NETDATA_INSTALLER_START_CMD=""
+
+ uname="$(uname 2> /dev/null)"
+
+ if [ "${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..."
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ run cp system/launchd/netdata.plist /Library/LaunchDaemons/com.github.netdata.plist &&
+ run launchctl load /Library/LaunchDaemons/com.github.netdata.plist &&
+ NETDATA_START_CMD="launchctl start com.github.netdata" &&
+ NETDATA_STOP_CMD="launchctl stop com.github.netdata"
+ return 0
+ fi
+
+ elif [ "${uname}" = "FreeBSD" ]; then
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ run cp system/freebsd/rc.d/netdata /etc/rc.d/netdata && NETDATA_START_CMD="service netdata start" &&
+ NETDATA_STOP_CMD="service netdata stop" &&
+ NETDATA_INSTALLER_START_CMD="service netdata onestart" &&
+ myret=$?
+
+ echo >&2 "Note: To explicitly enable netdata automatic start, set 'netdata_enable' to 'YES' in /etc/rc.conf"
+ echo >&2 ""
+
+ return "${myret}"
+
+ elif issystemd; then
+ # systemd is running on this system
+ NETDATA_START_CMD="systemctl start netdata"
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ NETDATA_STOP_CMD="systemctl stop netdata"
+ NETDATA_INSTALLER_START_CMD="${NETDATA_START_CMD}"
+
+ SYSTEMD_DIRECTORY="$(get_systemd_service_dir)"
+
+ if [ "${SYSTEMD_DIRECTORY}x" != "x" ]; then
+ ENABLE_NETDATA_IF_PREVIOUSLY_ENABLED="run systemctl enable netdata"
+ IS_NETDATA_ENABLED="$(systemctl is-enabled netdata 2> /dev/null || echo "Netdata not there")"
+ if [ "${IS_NETDATA_ENABLED}" = "disabled" ]; then
+ echo >&2 "Netdata was there and disabled, make sure we don't re-enable it ourselves"
+ ENABLE_NETDATA_IF_PREVIOUSLY_ENABLED="true"
+ fi
+
+ echo >&2 "Installing systemd service..."
+ run cp system/systemd/netdata.service "${SYSTEMD_DIRECTORY}/netdata.service" &&
+ run systemctl daemon-reload &&
+ ${ENABLE_NETDATA_IF_PREVIOUSLY_ENABLED} &&
+ return 0
+ else
+ warning "Could not find a systemd service directory, unable to install Netdata systemd service."
+ fi
+ else
+ install_non_systemd_init
+ ret=$?
+
+ if [ ${ret} -eq 0 ]; then
+ if [ -n "${service_cmd}" ]; then
+ NETDATA_START_CMD="service netdata start"
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ NETDATA_STOP_CMD="service netdata stop"
+ elif [ -n "${rcservice_cmd}" ]; then
+ NETDATA_START_CMD="rc-service netdata start"
+ # This is used by netdata-installer.sh
+ # shellcheck disable=SC2034
+ NETDATA_STOP_CMD="rc-service netdata stop"
+ fi
+ NETDATA_INSTALLER_START_CMD="${NETDATA_START_CMD}"
+ fi
+
+ return ${ret}
+ fi
+ fi
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# stop netdata
+
+pidisnetdata() {
+ if [ -d /proc/self ]; then
+ if [ -z "$1" ] || [ ! -f "/proc/$1/stat" ]; then
+ return 1
+ fi
+ [ "$(cut -d '(' -f 2 "/proc/$1/stat" | cut -d ')' -f 1)" = "netdata" ] && return 0
+ return 1
+ fi
+ return 0
+}
+
+stop_netdata_on_pid() {
+ pid="${1}"
+ ret=0
+ count=0
+
+ pidisnetdata "${pid}" || return 0
+
+ printf >&2 "Stopping netdata on pid %s ..." "${pid}"
+ while [ -n "${pid}" ] && [ ${ret} -eq 0 ]; do
+ if [ ${count} -gt 24 ]; then
+ warning "Cannot stop netdata agent with PID ${pid}."
+ return 1
+ fi
+
+ count=$((count + 1))
+
+ pidisnetdata "${pid}" || ret=1
+ if [ ${ret} -eq 1 ]; then
+ break
+ fi
+
+ if [ ${count} -lt 12 ]; then
+ run kill "${pid}" 2> /dev/null
+ ret=$?
+ else
+ run kill -9 "${pid}" 2> /dev/null
+ ret=$?
+ fi
+
+ test ${ret} -eq 0 && printf >&2 "." && sleep 5
+
+ done
+
+ echo >&2
+ if [ ${ret} -eq 0 ]; then
+ warning "Failed to stop netdata agent process with PID ${pid}."
+ return 1
+ fi
+
+ echo >&2 "netdata on pid ${pid} stopped."
+ return 0
+}
+
+netdata_pids() {
+ myns="$(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) \
+ $(safe_pidof netdata 2> /dev/null); do
+ ns="$(readlink "/proc/${p}/ns/pid" 2> /dev/null)"
+
+ if [ -z "${myns}" ] || [ -z "${ns}" ] || [ "${myns}" = "${ns}" ]; then
+ pidisnetdata "${p}" && echo "${p}"
+ fi
+ done
+}
+
+stop_all_netdata() {
+ stop_success=0
+
+ if [ -x "${NETDATA_PREFIX}/usr/libexec/netdata/install-service.sh" ]; then
+ run_install_service_script --cmds-only
+ fi
+
+ if [ "${UID}" -eq 0 ]; then
+
+ uname="$(uname 2>/dev/null)"
+
+ # Any of these may fail, but we need to not bail if they do.
+ if [ -n "${NETDATA_STOP_CMD}" ]; then
+ if ${NETDATA_STOP_CMD}; then
+ stop_success=1
+ sleep 5
+ fi
+ elif issystemd; then
+ if systemctl stop netdata; then
+ stop_success=1
+ sleep 5
+ fi
+ elif [ "${uname}" = "Darwin" ]; then
+ if launchctl stop netdata; then
+ stop_success=1
+ sleep 5
+ fi
+ elif [ "${uname}" = "FreeBSD" ]; then
+ if /etc/rc.d/netdata stop; then
+ stop_success=1
+ sleep 5
+ fi
+ else
+ if service netdata stop; then
+ stop_success=1
+ sleep 5
+ fi
+ fi
+ fi
+
+ if [ "$stop_success" = "0" ]; then
+ if [ -n "$(netdata_pids)" ] && [ -n "$(command -v netdatacli)" ]; then
+ netdatacli shutdown-agent
+ sleep 20
+ fi
+
+ for p in $(netdata_pids); do
+ # shellcheck disable=SC2086
+ stop_netdata_on_pid ${p}
+ done
+ fi
+}
+
+# -----------------------------------------------------------------------------
+# restart netdata
+
+restart_netdata() {
+ netdata="${1}"
+ shift
+
+ started=0
+
+ progress "Restarting netdata instance"
+
+ if [ -x "${NETDATA_PREFIX}/usr/libexec/netdata/install-service.sh" ]; then
+ run_install_service_script --cmds-only
+ fi
+
+ if [ -z "${NETDATA_INSTALLER_START_CMD}" ]; then
+ if [ -n "${NETDATA_START_CMD}" ]; then
+ NETDATA_INSTALLER_START_CMD="${NETDATA_START_CMD}"
+ else
+ NETDATA_INSTALLER_START_CMD="${netdata}"
+ fi
+ fi
+
+ if [ "${UID}" -eq 0 ]; then
+ echo >&2
+ echo >&2 "Stopping all netdata threads"
+ run stop_all_netdata
+
+ echo >&2 "Starting netdata using command '${NETDATA_INSTALLER_START_CMD}'"
+ # shellcheck disable=SC2086
+ run ${NETDATA_INSTALLER_START_CMD} && started=1
+
+ if [ ${started} -eq 1 ] && sleep 5 && [ -z "$(netdata_pids)" ]; then
+ echo >&2 "Ooops! it seems netdata is not started."
+ started=0
+ fi
+
+ if [ ${started} -eq 0 ]; then
+ echo >&2 "Attempting another netdata start using command '${NETDATA_INSTALLER_START_CMD}'"
+ # shellcheck disable=SC2086
+ run ${NETDATA_INSTALLER_START_CMD} && started=1
+ fi
+
+ if [ ${started} -eq 1 ] && sleep 5 && [ -z "$(netdata_pids)" ]; then
+ echo >&2 "Hm... it seems netdata is still not started."
+ started=0
+ fi
+ fi
+
+
+ if [ ${started} -eq 0 ]; then
+ # still not started... another forced attempt, just run the binary
+ warning "Netdata service still not started, attempting another forced restart by running '${netdata} ${*}'"
+ run stop_all_netdata
+ run "${netdata}" "${@}"
+ return $?
+ fi
+
+ return 0
+}
+
+# -----------------------------------------------------------------------------
+# install netdata logrotate
+
+install_netdata_logrotate() {
+ src="${NETDATA_PREFIX}/usr/lib/netdata/system/logrotate/netdata"
+
+ if [ "${UID}" -eq 0 ]; then
+ if [ -d /etc/logrotate.d ]; then
+ if [ ! -f /etc/logrotate.d/netdata ]; then
+ run cp "${src}" /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
+}
+
+# -----------------------------------------------------------------------------
+# create netdata.conf
+
+create_netdata_conf() {
+ path="${1}"
+ url="${2}"
+
+ if [ -s "${path}" ]; then
+ return 0
+ fi
+
+ if [ -n "$url" ]; then
+ echo >&2 "Downloading default configuration from netdata..."
+ sleep 5
+
+ # remove a possibly obsolete configuration file
+ [ -f "${path}.new" ] && rm "${path}.new"
+
+ # disable a proxy to get data from the local netdata
+ export http_proxy=
+ export https_proxy=
+
+ check_for_curl
+
+ if [ -n "${curl}" ]; then
+ run "${curl}" -sSL --connect-timeout 10 --retry 3 "${url}" > "${path}.new"
+ elif command -v wget 1> /dev/null 2>&1; then
+ run wget -T 15 -O - "${url}" > "${path}.new"
+ fi
+
+ if [ -s "${path}.new" ]; then
+ run mv "${path}.new" "${path}"
+ run_ok "New configuration saved for you to edit at ${path}"
+ else
+ [ -f "${path}.new" ] && rm "${path}.new"
+ run_failed "Cannot download configuration from netdata daemon using url '${url}'"
+ url=''
+ fi
+ fi
+
+ if [ -z "$url" ]; then
+ cat << EOF > "${path}"
+# netdata can generate its own config which is available at 'http://<IP>:19999/netdata.conf'
+# You can download it using:
+# curl -o ${path} http://localhost:19999/netdata.conf
+# or
+# wget -O ${path} http://localhost:19999/netdata.conf
+EOF
+ fi
+
+}
+
+portable_add_user() {
+ username="${1}"
+ homedir="${2}"
+
+ [ -z "${homedir}" ] && homedir="/tmp"
+
+ # Check if user exists
+ if command -v getent > /dev/null 2>&1; then
+ if getent passwd "${username}" > /dev/null 2>&1; then
+ echo >&2 "User '${username}' already exists."
+ return 0
+ fi
+ else
+ if cut -d ':' -f 1 < /etc/passwd | grep "^${username}$" 1> /dev/null 2>&1; then
+ echo >&2 "User '${username}' already exists."
+ return 0
+ fi
+ fi
+
+ echo >&2 "Adding ${username} user account with home ${homedir} ..."
+
+ nologin="$(command -v nologin || echo '/bin/false')"
+
+ if command -v useradd 1> /dev/null 2>&1; then
+ run useradd -r -g "${username}" -c "${username}" -s "${nologin}" --no-create-home -d "${homedir}" "${username}" && return 0
+ elif command -v pw 1> /dev/null 2>&1; then
+ run pw useradd "${username}" -d "${homedir}" -g "${username}" -s "${nologin}" && return 0
+ elif command -v adduser 1> /dev/null 2>&1; then
+ run adduser -h "${homedir}" -s "${nologin}" -D -G "${username}" "${username}" && return 0
+ elif command -v sysadminctl 1> /dev/null 2>&1; then
+ run sysadminctl -addUser "${username}" && return 0
+ fi
+
+ warning "Failed to add ${username} user account!"
+
+ return 1
+}
+
+portable_add_group() {
+ groupname="${1}"
+
+ # Check if group exist
+ if get_group "${groupname}" > /dev/null 2>&1; then
+ echo >&2 "Group '${groupname}' already exists."
+ return 0
+ fi
+
+ echo >&2 "Adding ${groupname} user group ..."
+
+ # Linux
+ if command -v groupadd 1> /dev/null 2>&1; then
+ run groupadd -r "${groupname}" && return 0
+ elif command -v pw 1> /dev/null 2>&1; then
+ run pw groupadd "${groupname}" && return 0
+ elif command -v addgroup 1> /dev/null 2>&1; then
+ run addgroup "${groupname}" && return 0
+ elif command -v dseditgroup 1> /dev/null 2>&1; then
+ dseditgroup -o create "${groupname}" && return 0
+ fi
+
+ warning >&2 "Failed to add ${groupname} user group !"
+ return 1
+}
+
+portable_add_user_to_group() {
+ groupname="${1}"
+ username="${2}"
+
+ # Check if group exist
+ if ! get_group "${groupname}" > /dev/null 2>&1; then
+ echo >&2 "Group '${groupname}' does not exist."
+ # Don’t treat this as a failure, if the group does not exist we should not be trying to add the user to it.
+ return 0
+ fi
+
+ # Check if user is in group
+ if get_group "${groupname}" | cut -d ':' -f 4 | grep -wq "${username}"; then
+ # username is already there
+ echo >&2 "User '${username}' is already in group '${groupname}'."
+ return 0
+ else
+ # username is not in group
+ echo >&2 "Adding ${username} user to the ${groupname} group ..."
+
+ # Linux
+ if command -v usermod 1> /dev/null 2>&1; then
+ run usermod -a -G "${groupname}" "${username}" && return 0
+ elif command -v pw 1> /dev/null 2>&1; then
+ run pw groupmod "${groupname}" -m "${username}" && return 0
+ elif command -v addgroup 1> /dev/null 2>&1; then
+ run addgroup "${username}" "${groupname}" && return 0
+ elif command -v dseditgroup 1> /dev/null 2>&1; then
+ dseditgroup -u "${username}" "${groupname}" && return 0
+ fi
+
+ warning >&2 "Failed to add user ${username} to group ${groupname}!"
+ return 1
+ fi
+}
+
+safe_sha256sum() {
+ # Within the context of the installer, we only use -c option that is common between the two commands
+ # We will have to reconsider if we start non-common options
+ if command -v sha256sum > /dev/null 2>&1; then
+ sha256sum "$@"
+ elif command -v shasum > /dev/null 2>&1; then
+ shasum -a 256 "$@"
+ else
+ fatal "I could not find a suitable checksum binary to use" "L0001"
+ fi
+}
+
+_get_scheduler_type() {
+ if _get_intervaldir > /dev/null ; then
+ echo 'interval'
+ elif issystemd ; then
+ echo 'systemd'
+ elif [ -d /etc/cron.d ] ; then
+ echo 'crontab'
+ else
+ echo 'none'
+ fi
+}
+
+_get_intervaldir() {
+ if [ -d /etc/cron.daily ]; then
+ echo /etc/cron.daily
+ elif [ -d /etc/periodic/daily ]; then
+ echo /etc/periodic/daily
+ else
+ return 1
+ fi
+
+ return 0
+}
+
+install_netdata_updater() {
+ if [ "${INSTALLER_DIR}" ] && [ -f "${INSTALLER_DIR}/packaging/installer/netdata-updater.sh" ]; then
+ cat "${INSTALLER_DIR}/packaging/installer/netdata-updater.sh" > "${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh" || return 1
+ fi
+
+ if [ "${NETDATA_SOURCE_DIR}" ] && [ -f "${NETDATA_SOURCE_DIR}/packaging/installer/netdata-updater.sh" ]; then
+ cat "${NETDATA_SOURCE_DIR}/packaging/installer/netdata-updater.sh" > "${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh" || return 1
+ fi
+
+ if issystemd && [ -n "$(get_systemd_service_dir)" ]; then
+ cat "${NETDATA_SOURCE_DIR}/system/systemd/netdata-updater.timer" > "$(get_systemd_service_dir)/netdata-updater.timer"
+ cat "${NETDATA_SOURCE_DIR}/system/systemd/netdata-updater.service" > "$(get_systemd_service_dir)/netdata-updater.service"
+ fi
+
+ sed -i -e "s|THIS_SHOULD_BE_REPLACED_BY_INSTALLER_SCRIPT|${NETDATA_USER_CONFIG_DIR}/.environment|" "${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh" || return 1
+
+ chmod 0755 "${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh"
+ echo >&2 "Update script is located at ${TPUT_GREEN}${TPUT_BOLD}${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh${TPUT_RESET}"
+ echo >&2
+
+ return 0
+}
+
+set_netdata_updater_channel() {
+ sed -i -e "s/^RELEASE_CHANNEL=.*/RELEASE_CHANNEL=\"${RELEASE_CHANNEL}\"/" "${NETDATA_USER_CONFIG_DIR}/.environment"
+}