diff options
-rw-r--r-- | .gitignore | 3 | ||||
-rw-r--r-- | installer/functions.sh | 1161 | ||||
-rw-r--r-- | installer/netdata-uninstaller.sh | 100 | ||||
-rw-r--r-- | installer/netdata-updater.sh | 122 | ||||
-rwxr-xr-x | netdata-installer.sh | 1185 |
5 files changed, 1209 insertions, 1362 deletions
diff --git a/.gitignore b/.gitignore index f24583ac28..f76e9ec186 100644 --- a/.gitignore +++ b/.gitignore @@ -45,7 +45,8 @@ freeipmi.plugin cgroup-network !cgroup-network/ -# netdata makeself archives +# installation artifacts +installer/.environment.sh *.tar.* *.run diff --git a/installer/functions.sh b/installer/functions.sh index 155edd79a9..58296ebc4d 100644 --- a/installer/functions.sh +++ b/installer/functions.sh @@ -5,117 +5,113 @@ # 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 + # shellcheck disable=SC2230 + which "${1}" 2>/dev/null || command -v "${1}" 2>/dev/null } check_cmd() { - which_cmd "${1}" >/dev/null 2>&1 && return 0 - return 1 + which_cmd "${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 + 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} --- " + echo >&2 " --- ${TPUT_DIM}${TPUT_BOLD}${*}${TPUT_RESET} --- " } # ----------------------------------------------------------------------------- netdata_banner() { - local l1=" ^" \ - l2=" |.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-" \ - l3=" | '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' " \ - l4=" +----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--->" \ - sp=" " \ - netdata="netdata" start end msg="${*}" chartcolor="${TPUT_DIM}" + 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 ))}..." + [ ${#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} + ${#msg} + 4 )) + start="$((${#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 + 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 } # ----------------------------------------------------------------------------- @@ -125,22 +121,19 @@ 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 $? - fi - return 1 + local cmd="${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 $? + fi + return 1 } # ----------------------------------------------------------------------------- @@ -148,632 +141,574 @@ service() { pidof_cmd="$(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 $? - fi + if [ ! -z "${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 + 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 $(( SYSTEM_CPUS )) -lt 1 ] && SYSTEM_CPUS=1 + if [ -f "/proc/cpuinfo" ]; then + # linux + SYSTEM_CPUS=$(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} ${*} \n\n" + printf >&2 "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD} OK ${TPUT_RESET} ${*} \n\n" } run_failed() { - printf >&2 "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD} FAILED ${TPUT_RESET} ${*} \n\n" + printf >&2 "${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 + if [ "${ESCAPED_PRINT_METHOD}" = "printfq" ]; then + printf "%q " "${@}" + else + printf "%s" "${*}" + fi + return 0 } run_logfile="/dev/null" run() { - local user="${USER--}" dir="${PWD}" info info_console + local user="${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 + 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 >> "${run_logfile}" " ... " + printf >>"${run_logfile}" "${info}" + escaped_print >>"${run_logfile}" "${@}" + printf >>"${run_logfile}" " ... " - printf >&2 "${info_console}${TPUT_BOLD}${TPUT_YELLOW}" - escaped_print >&2 "${@}" - printf >&2 "${TPUT_RESET}\n" + printf >&2 "${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 + 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} + return ${ret} } getent_cmd="$(which_cmd getent)" portable_check_user_exists() { - local username="${1}" found= + local username="${1}" found= - if [ ! -z "${getent_cmd}" ] - then - "${getent_cmd}" passwd "${username}" >/dev/null 2>&1 - return $? - fi + if [ ! -z "${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 + found="$(cut -d ':' -f 1 </etc/passwd | grep "^${username}$")" + [ "${found}" = "${username}" ] && return 0 + return 1 } portable_check_group_exists() { - local groupname="${1}" found= + local groupname="${1}" found= - if [ ! -z "${getent_cmd}" ] - then - "${getent_cmd}" group "${groupname}" >/dev/null 2>&1 - return $? - fi + if [ ! -z "${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 + found="$(cut -d ':' -f 1 </etc/group | grep "^${groupname}$")" + [ "${found}" = "${groupname}" ] && return 0 + return 1 } portable_check_user_in_group() { - local username="${1}" groupname="${2}" users= + local username="${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 + 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}," =~ ,${username}, ]] && return 0 - return 1 + [[ ",${users}," =~ ,${username}, ]] && return 0 + return 1 } portable_add_user() { - local username="${1}" homedir="${2}" + local username="${1}" homedir="${2}" - [ -z "${homedir}" ] && homedir="/tmp" + [ -z "${homedir}" ] && homedir="/tmp" - portable_check_user_exists "${username}" - [ $? -eq 0 ] && echo >&2 "User '${username}' already exists." && return 0 + portable_check_user_exists "${username}" + [ $? -eq 0 ] && echo >&2 "User '${username}' already exists." && return 0 - echo >&2 "Adding ${username} user account with home ${homedir} ..." + 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')" + # 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 + # 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 "${nologin}" && return 0 - fi + # FreeBSD + if check_cmd pw; then + run pw useradd "${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}" "${username}" && return 0 - fi + # BusyBox + if check_cmd adduser; then + run adduser -h "${homedir}" -s "${nologin}" -D -G "${username}" "${username}" && return 0 + fi - echo >&2 "Failed to add ${username} user account !" + echo >&2 "Failed to add ${username} user account !" - return 1 + return 1 } portable_add_group() { - local groupname="${1}" + local groupname="${1}" - portable_check_group_exists "${groupname}" - [ $? -eq 0 ] && echo >&2 "Group '${groupname}' already exists." && return 0 + portable_check_group_exists "${groupname}" + [ $? -eq 0 ] && echo >&2 "Group '${groupname}' already exists." && return 0 - echo >&2 "Adding ${groupname} user group ..." + echo >&2 "Adding ${groupname} user group ..." - # Linux - if check_cmd groupadd - then - run groupadd -r "${groupname}" && return 0 - fi + # 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 + # 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 + # BusyBox + if check_cmd addgroup; then + run addgroup "${groupname}" && return 0 + fi - echo >&2 "Failed to add ${groupname} user group !" - return 1 + 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 ${groupname} !" - return 1 - fi + local groupname="${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 - "${cmd}" --container >/dev/null 2>&1 && return 0 - fi + # man systemd-detect-virt + local cmd=$(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 $pid; } ) - pid=$(( pid + 0 )) - [ ${pid} -ne 1 ] && return 0 + # /proc/1/sched exposes the host's pid of our init ! + # http://stackoverflow.com/a/37016302 + local pid=$(cat /proc/1/sched 2>/dev/null | head -n 1 | { + IFS='(),#:' read name pid th threads + echo $pid + }) + pid=$((pid + 0)) + [ ${pid} -ne 1 ] && return 0 - # lxc sets environment variable 'container' - [ ! -z "${container}" ] && return 0 + # lxc sets environment variable 'container' + [ ! -z "${container}" ] && return 0 - # docker creates /.dockerenv - # http://stackoverflow.com/a/25518345 - [ -f "/.dockerenv" ] && return 0 + # docker creates /.dockerenv + # http://stackoverflow.com/a/25518345 + [ -f "/.dockerenv" ] && return 0 - # ubuntu and debian supply /bin/running-in-container - # https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container - if [ -x "/bin/running-in-container" ] - then - "/bin/running-in-container" >/dev/null 2>&1 && return 0 - fi + # ubuntu and debian supply /bin/running-in-container + # https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container + if [ -x "/bin/running-in-container" ]; then + "/bin/running-in-container" >/dev/null 2>&1 && return 0 + fi - return 1 + return 1 } issystemd() { - local pids p myns ns systemctl + local pids p myns ns systemctl - # if the directory /lib/systemd/system OR /usr/lib/systemd/system (SLES 12.x) does not exit, it is not systemd - [ ! -d /lib/systemd/system -a ! -d /usr/lib/systemd/system ] && return 1 + # if the directory /lib/systemd/system OR /usr/lib/systemd/system (SLES 12.x) does not exit, it is not systemd + [ ! -d /lib/systemd/system -a ! -d /usr/lib/systemd/system ] && return 1 - # if there is no systemctl command, it is not systemd - # shellcheck disable=SC2230 - systemctl=$(which systemctl 2>/dev/null || command -v systemctl 2>/dev/null) - [ -z "${systemctl}" -o ! -x "${systemctl}" ] && return 1 + # if 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 $(readlink /proc/1/exe) 2>/dev/null)" = "systemd" ] && return 0 + # if pid 1 is systemd, it is systemd + [ "$(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 "${pids}" ] && return 1 + # if systemd is not running, it is not systemd + pids=$(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/${p}/ns/pid 2>/dev/null)" + # check if the running systemd processes are not in our namespace + myns="$(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 + # if pid of systemd is in our namespace, it is systemd + [ ! -z "${myns}" ] && [ "${myns}" = "${ns}" ] && return 0 + done - # else, it is not systemd - return 1 + # else, it is not systemd + return 1 } install_non_systemd_init() { - [ "${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 + [ "${UID}" != 0 ] && return 1 + + local key="unknown" + if [ -f /etc/os-release ]; then + source /etc/os-release || return 1 + key="${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 ${ret} - fi - fi - - return 1 + local uname="$(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 sys |