netdata_netdata/packaging/installer/functions.sh

1139 lines
31 KiB
Bash
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/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}"
checked=0
succeeded=0
check_for_curl
if [ -n "${curl}" ]; then
checked=1
if "${curl}" -q -o - -sSL --connect-timeout 10 --retry 3 "${url}"; then
succeeded=1
fi
fi
if [ "${succeeded}" -eq 0 ]; then
if command -v wget > /dev/null 2>&1; then
checked=1
if wget -T 15 -O - "${url}"; then
succeeded=1
fi
fi
fi
if [ "${succeeded}" -eq 1 ]; then
return 0
elif [ "${checked}" -eq 1 ]; then
return 1
else
fatal "I need curl or wget to proceed, but neither is available on this system." "L0002"
fi
}
download_file() {
url="${1}"
dest="${2}"
name="${3}"
opt="${4}"
check_for_curl
if [ -n "${curl}" ]; then
checked=1
if run "${curl}" -q -sSL --connect-timeout 10 --retry 3 --output "${dest}" "${url}"; then
succeeded=1
else
rm -f "${dest}"
fi
fi
if [ "${succeeded}" -eq 0 ]; then
if command -v wget > /dev/null 2>&1; then
checked=1
if run wget -T 15 -O "${dest}" "${url}"; then
succeeded=1
fi
fi
fi
if [ "${succeeded}" -eq 1 ]; then
return 0
elif [ "${checked}" -eq 1 ]; then
return 1
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}${TPUT_RESET}"
echo >&2
}
# -----------------------------------------------------------------------------
# Feature management and configuration commands
enable_feature() {
NETDATA_CMAKE_OPTIONS="$(echo "${NETDATA_CMAKE_OPTIONS}" | sed -e "s/-DENABLE_${1}=Off[[:space:]]*//g" -e "s/-DENABLE_${1}=On[[:space:]]*//g")"
if [ "${2}" -eq 1 ]; then
NETDATA_CMAKE_OPTIONS="$(echo "${NETDATA_CMAKE_OPTIONS}" | sed "s/$/ -DENABLE_${1}=On/")"
else
NETDATA_CMAKE_OPTIONS="$(echo "${NETDATA_CMAKE_OPTIONS}" | sed "s/$/ -DENABLE_${1}=Off/")"
fi
}
check_for_module() {
if [ -z "${pkgconf}" ]; then
pkgconf="$(command -v pkgconf 2>/dev/null)"
[ -z "${pkgconf}" ] && pkgconf="$(command -v pkg-config 2>/dev/null)"
[ -z "${pkgconf}" ] && fatal "Unable to find a usable pkgconf/pkg-config command, cannot build Netdata." I0013
fi
"${pkgconf}" "${1}"
return "${?}"
}
check_for_feature() {
feature_name="${1}"
feature_state="${2}"
shift 2
feature_modules="${*}"
if [ -z "${feature_state}" ]; then
# shellcheck disable=SC2086
if check_for_module ${feature_modules}; then
enable_feature "${feature_name}" 1
else
enable_feature "${feature_name}" 0
fi
else
enable_feature "${feature_name}" "${feature_state}"
fi
}
prepare_cmake_options() {
NETDATA_CMAKE_OPTIONS="-S ./ -B ${NETDATA_BUILD_DIR} ${CMAKE_OPTS} ${NETDATA_PREFIX+-DCMAKE_INSTALL_PREFIX="${NETDATA_PREFIX}"} ${NETDATA_USER:+-DNETDATA_USER=${NETDATA_USER}} ${NETDATA_CMAKE_OPTIONS} "
NEED_OLD_CXX=0
if [ "${FORCE_LEGACY_CXX:-0}" -eq 1 ]; then
NEED_OLD_CXX=1
else
if command -v gcc >/dev/null 2>&1; then
if [ "$(gcc --version | head -n 1 | sed 's/(.*) //' | cut -f 2 -d ' ' | cut -f 1 -d '.')" -lt 5 ]; then
NEED_OLD_CXX=1
fi
fi
if command -v clang >/dev/null 2>&1; then
if [ "$(clang --version | head -n 1 | cut -f 3 -d ' ' | cut -f 1 -d '.')" -lt 4 ]; then
NEED_OLD_CXX=1
fi
fi
fi
if [ "${NEED_OLD_CXX}" -eq 1 ]; then
NETDATA_CMAKE_OPTIONS="${NETDATA_CMAKE_OPTIONS} -DUSE_CXX_11=On"
fi
if [ "${ENABLE_GO:-1}" -eq 1 ]; then
enable_feature PLUGIN_GO 1
else
enable_feature PLUGIN_GO 0
fi
if [ "${USE_SYSTEM_PROTOBUF:-0}" -eq 1 ]; then
enable_feature BUNDLED_PROTOBUF 0
else
enable_feature BUNDLED_PROTOBUF 1
fi
if [ -z "${ENABLE_SYSTEMD_JOURNAL}" ]; then
if check_for_module libsystemd; then
if check_for_module libelogind; then
ENABLE_SYSTEMD_JOURNAL=0
else
ENABLE_SYSTEMD_JOURNAL=1
fi
else
ENABLE_SYSTEMD_JOURNAL=0
fi
fi
enable_feature PLUGIN_SYSTEMD_JOURNAL "${ENABLE_SYSTEMD_JOURNAL}"
if command -v cups-config >/dev/null 2>&1 || check_for_module libcups || check_for_module cups; then
ENABLE_CUPS=1
else
ENABLE_CUPS=0
fi
enable_feature PLUGIN_CUPS "${ENABLE_CUPS}"
IS_LINUX=0
[ "$(uname -s)" = "Linux" ] && IS_LINUX=1
enable_feature PLUGIN_DEBUGFS "${IS_LINUX}"
enable_feature PLUGIN_PERF "${IS_LINUX}"
enable_feature PLUGIN_SLABINFO "${IS_LINUX}"
enable_feature PLUGIN_CGROUP_NETWORK "${IS_LINUX}"
enable_feature PLUGIN_LOCAL_LISTENERS "${IS_LINUX}"
enable_feature PLUGIN_NETWORK_VIEWER "${IS_LINUX}"
enable_feature PLUGIN_EBPF "${ENABLE_EBPF:-0}"
enable_feature PLUGIN_LOGS_MANAGEMENT "${ENABLE_LOGS_MANAGEMENT:-0}"
enable_feature LOGS_MANAGEMENT_TESTS "${ENABLE_LOGS_MANAGEMENT_TESTS:-0}"
enable_feature ACLK "${ENABLE_CLOUD:-1}"
enable_feature CLOUD "${ENABLE_CLOUD:-1}"
enable_feature BUNDLED_JSONC "${NETDATA_BUILD_JSON_C:-0}"
enable_feature DBENGINE "${ENABLE_DBENGINE:-1}"
enable_feature H2O "${ENABLE_H2O:-1}"
enable_feature ML "${NETDATA_ENABLE_ML:-1}"
enable_feature PLUGIN_APPS "${ENABLE_APPS:-1}"
check_for_feature EXPORTER_PROMETHEUS_REMOTE_WRITE "${EXPORTER_PROMETHEUS}" snappy
check_for_feature EXPORTER_MONGODB "${EXPORTER_MONGODB}" libmongoc-1.0
check_for_feature PLUGIN_FREEIPMI "${ENABLE_FREEIPMI}" libipmimonitoring
check_for_feature PLUGIN_NFACCT "${ENABLE_NFACCT}" libnetfilter_acct libnml
check_for_feature PLUGIN_XENSTAT "${ENABLE_XENSTAT}" xenstat xenlight
}
# -----------------------------------------------------------------------------
# portable service command
service_cmd="$(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
}
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
warning "Could not find service install script, not installing Netdata as a system service."
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
elif command -v dscl > /dev/null 2>&1; then
if dscl . read /Users/"${username}" >/dev/null 2>&1; then
echo >&2 "User '${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}" "${username}" && return 0
elif command -v sysadminctl 1> /dev/null 2>&1; then
gid=$(dscl . read /Groups/"${username}" 2>/dev/null | grep PrimaryGroupID | grep -Eo "[0-9]+")
if run sysadminctl -addUser "${username}" -shell /usr/bin/false -home /var/empty -GID "$gid"; then
# FIXME: I think the proper solution is to create a role account:
# -roleAccount + name starting with _ and UID in 200-400 range.
run dscl . create /Users/"${username}" IsHidden 1
return 0
fi
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 '${groupname}' does not exist."
# Dont treat this as a failure, if the group does not exist we should not be trying to add the user to it.
return 0
fi
# Check if user is in group
if get_group "${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" > "${NETDATA_PREFIX}/usr/libexec/netdata/netdata-updater.sh" || return 1
fi
# these files are installed by cmake
libsysdir="${NETDATA_PREFIX}/usr/lib/netdata/system/systemd/"
if [ -d "${libsysdir}" ] && issystemd && [ -n "$(get_systemd_service_dir)" ]; then
cat "${libsysdir}/netdata-updater.timer" > "$(get_systemd_service_dir)/netdata-updater.timer"
cat "${libsysdir}/netdata-updater.service" > "$(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"
}