Adding upstream version 1.12.0.upstream/1.12.0

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

1 files changed, 0 insertions, 866 deletions

diff --git a/installer/functions.sh b/installer/functions.sh
deleted file mode 100644
index 155edd79a..000000000
--- a/installer/functions.sh
+++ /dev/null
@@ -1,866 +0,0 @@
-# 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 $pid; } )
-    pid=$(( pid + 0 ))
-    [ ${pid} -ne 1 ] && return 0
-
-    # lxc sets environment variable 'container'
-    [ ! -z "${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
-}