X-Git-Url: https://arthur.barton.de/gitweb/?a=blobdiff_plain;f=netdata-installer.sh;h=88333478d9ba08108cde8890ba4f93ce414770bb;hb=025afa16222b34c3cd4595bda35818e6c44c0671;hp=3027b213a8c463347f8fee96ae77dc12d5e30ff5;hpb=fd1f86c8f5c6b513ebbca19a9f378be37873cdfe;p=netdata.git diff --git a/netdata-installer.sh b/netdata-installer.sh index 3027b213..88333478 100755 --- a/netdata-installer.sh +++ b/netdata-installer.sh @@ -1,19 +1,135 @@ #!/bin/bash +LC_ALL=C + +# you can set CFLAGS before running installer +CFLAGS="${CFLAGS--O3}" + +ME="$0" +DONOTSTART=0 +DONOTWAIT=0 +NETDATA_PREFIX= +ZLIB_IS_HERE=0 + +usage() { + cat < + +Valid are: + + --install /PATH/TO/INSTALL + + If your give: --install /opt + netdata will be installed in /opt/netdata + + --dont-start-it + + Do not (re)start netdata. + Just install it. + + --dont-wait + + Do not wait for the user to press ENTER. + Start immediately building it. + + --zlib-is-really-here + + If you get errors about missing zlib, + but you know it is available, + you have a broken pkg-config. + Use this option to allow it continue + without checking pkg-config. + +Netdata will by default be compiled with gcc optimization -O3 +If you need to pass different CFLAGS, use something like this: + + CFLAGS="" $ME + +For the installer to complete successfully, you will need +these packages installed: + + gcc make autoconf automake pkg-config zlib1g-dev + +For the plugins, you will at least need: + + curl node + +USAGE +} + +while [ ! -z "${1}" ] +do + if [ "$1" = "--install" ] + then + NETDATA_PREFIX="${2}/netdata" + shift 2 + elif [ "$1" = "--zlib-is-really-here" ] + then + ZLIB_IS_HERE=1 + shift 1 + elif [ "$1" = "--dont-start-it" ] + then + DONOTSTART=1 + shift 1 + elif [ "$1" = "--dont-wait" ] + then + DONOTWAIT=1 + shift 1 + elif [ "$1" = "--help" -o "$1" = "-h" ] + then + usage + exit 1 + else + echo >&2 + echo >&2 "ERROR:" + echo >&2 "I cannot understand option '$1'." + usage + exit 1 + fi +done + +cat <&2 - echo >&2 "You have to run netdata are root." + echo >&2 "You have to run netdata as root." echo >&2 "The netdata daemon will drop priviliges" echo >&2 "but you have to start it as root." echo >&2 - echo >&2 "If netdata is not already installed," - echo >&2 "this script will also build and install" - echo >&2 "netdata to your system." - echo >&2 exit 1 fi +if [ ${DONOTWAIT} -eq 0 ] + then + if [ ! -z "${NETDATA_PREFIX}" ] + then + read -p "Press ENTER to build and install netdata to '${NETDATA_PREFIX}' > " + else + read -p "Press ENTER to build and install netdata to your system > " + fi +fi + # reload the profile [ -f /etc/profile ] && . /etc/profile @@ -22,14 +138,15 @@ build_error() { ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -We are very sorry! NetData failed to build... +Sorry! NetData failed to build... You many need to check these: 1. The package zlib1g-dev has to be installed. -2. You need basic build tools installed, like: gcc, autoconf, - pgk-config, automake, etc. +2. You need basic build tools installed, like: + + gcc make autoconf automake pkg-config 3. If your system cannot find ZLIB, although it is installed run me with the option: --zlib-is-really-here @@ -55,7 +172,7 @@ run() { "${@}" } -if [ "$1" = "--zlib-is-really-here" ] +if [ ${ZLIB_IS_HERE} -eq 1 ] then shift echo >&2 "ok, assuming zlib is really installed." @@ -63,33 +180,33 @@ if [ "$1" = "--zlib-is-really-here" ] export ZLIB_LIBS="-lz" fi -if [ ! -f src/Makefile ] - then - read -p "Netdata is not configured. Press ENTER to configure it > " - - trap build_error EXIT +trap build_error EXIT - echo >&2 "Running ./autogen.sh ..." - run ./autogen.sh || exit 1 +echo >&2 "Running ./autogen.sh ..." +run ./autogen.sh || exit 1 - echo >&2 "Running ./configure ..." - run ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --with-zlib --with-math --with-user=netdata CFLAGS="-march=native -O3" || exit 1 +echo >&2 "Running ./configure ..." +run ./configure \ + --prefix="${NETDATA_PREFIX}/usr" \ + --sysconfdir="${NETDATA_PREFIX}/etc" \ + --localstatedir="${NETDATA_PREFIX}/var" \ + --with-zlib --with-math --with-user=netdata \ + CFLAGS="${CFLAGS}" || exit 1 - # remove the build_error hook - trap - EXIT +# remove the build_error hook +trap - EXIT - if [ -f src/netdata ] - then - echo >&2 "Cleaning a possibly old compilation ..." - make clean - fi +if [ -f src/netdata ] + then + echo >&2 "Cleaning a possibly old compilation ..." + run make clean fi echo >&2 "Compiling netdata ..." run make || exit 1 echo >&2 "Installing netdata ..." -run make install +run make install || exit 1 echo >&2 "Adding netdata user group ..." getent group netdata > /dev/null || run groupadd -r netdata @@ -103,15 +220,15 @@ getent passwd netdata > /dev/null || run useradd -r -g netdata -c netdata -s /sb # load options from the configuration file # create an empty config if it does not exist -[ ! -f /etc/netdata/netdata.conf ] && touch /etc/netdata/netdata.conf +[ ! -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ] && touch "${NETDATA_PREFIX}/etc/netdata/netdata.conf" # function to extract values from the config file config_option() { local key="${1}" value="${2}" line= - if [ -s "/etc/netdata/netdata.conf" ] + if [ -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ] then - line="$( grep "^[[:space:]]*${key}[[:space:]]*=[[:space:]]*" "/etc/netdata/netdata.conf" | head -n 1 )" + line="$( grep "^[[:space:]]*${key}[[:space:]]*=[[:space:]]*" "${NETDATA_PREFIX}/etc/netdata/netdata.conf" | head -n 1 )" [ ! -z "${line}" ] && value="$( echo "${line}" | cut -d '=' -f 2 | sed -e "s/^[[:space:]]\+//g" -e "s/[[:space:]]\+$//g" )" fi @@ -132,10 +249,10 @@ defport=19999 NETDATA_PORT="$( config_option "port" ${defport} )" # directories -NETDATA_CACHE_DIR="$( config_option "cache directory" "/var/cache/netdata" )" -NETDATA_WEB_DIR="$( config_option "web files directory" "/usr/share/netdata/web" )" -NETDATA_LOG_DIR="$( config_option "log directory" "/var/log/netdata" )" -NETDATA_CONF_DIR="$( config_option "config directory" "/etc/netdata" )" +NETDATA_CACHE_DIR="$( config_option "cache directory" "${NETDATA_PREFIX}/var/cache/netdata" )" +NETDATA_WEB_DIR="$( config_option "web files directory" "${NETDATA_PREFIX}/usr/share/netdata/web" )" +NETDATA_LOG_DIR="$( config_option "log directory" "${NETDATA_PREFIX}/var/log/netdata" )" +NETDATA_CONF_DIR="$( config_option "config directory" "${NETDATA_PREFIX}/etc/netdata" )" # ----------------------------------------------------------------------------- @@ -149,17 +266,41 @@ do echo >&2 "Creating directory '${x}'" run mkdir -p "${x}" || exit 1 fi - run chown -R "${NETDATA_USER}" "${x}" || echo >&2 "WARNING: Cannot change the ownership of the files in directory ${x} to ${NETDATA_USER}..." + run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${x}" || echo >&2 "WARNING: Cannot change the ownership of the files in directory ${x} to ${NETDATA_USER}..." run chmod 0775 "${x}" || echo >&2 "WARNING: Cannot change the permissions of the directory ${x} to 0755..." done # fix apps.plugin to be setuid to root -run chown root '/usr/libexec/netdata/plugins.d/apps.plugin' && run chmod 4755 '/usr/libexec/netdata/plugins.d/apps.plugin' +run chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin" +run chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin" + + +# ----------------------------------------------------------------------------- +# check if we can re-start netdata +if [ ${DONOTSTART} -eq 1 ] + then + if [ ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ] + then + echo >&2 "Generating empty config file in: ${NETDATA_PREFIX}/etc/netdata/netdata.conf" + echo "# Get config from http://127.0.0.1:${NETDATA_PORT}/netdata.conf" >"${NETDATA_PREFIX}/etc/netdata/netdata.conf" + chown "${NETDATA_USER}" "${NETDATA_PREFIX}/etc/netdata/netdata.conf" + chmod 0664 "${NETDATA_PREFIX}/etc/netdata/netdata.conf" + fi + echo >&2 "OK. It is now installed and ready." + exit 0 +fi # ----------------------------------------------------------------------------- # stop a running netdata +isnetdata() { + [ -z "$1" -o ! -f "/proc/$1/stat" ] && return 1 + [ "$(cat "/proc/$1/stat" | cut -d '(' -f 2 | cut -d ')' -f 1)" = "netdata" ] && return 0 + return 1 +} + + printf >&2 "Stopping a (possibly) running netdata..." ret=0 count=0 @@ -172,8 +313,18 @@ do fi count=$((count + 1)) - killall netdata 2>/dev/null - ret=$? + + pid=$(cat /var/run/netdata/netdata.pid 2>/dev/null) + isnetdata $pid || pid= + if [ ! -z "${pid}" ] + then + run kill $pid 2>/dev/null + ret=$? + else + run killall netdata 2>/dev/null + ret=$? + fi + test $ret -eq 0 && printf >&2 "." && sleep 2 done echo >&2 @@ -183,7 +334,7 @@ echo >&2 # run netdata echo >&2 "Starting netdata..." -netdata "${@}" +run ${NETDATA_PREFIX}/usr/sbin/netdata "${@}" if [ $? -ne 0 ] then @@ -198,35 +349,39 @@ fi # ----------------------------------------------------------------------------- # save a config file, if it is not already there -if [ ! -s /etc/netdata/netdata.conf ] +if [ ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf" ] then echo >&2 "Downloading default configuration from netdata..." sleep 5 # remove a possibly obsolete download - [ -f /etc/netdata/netdata.conf.new ] && rm /etc/netdata/netdata.conf.new + [ -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] && rm "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" + + # disable a proxy to get data from the local netdata + export http_proxy= + export https_proxy= # try wget - wget 2>/dev/null -O /etc/netdata/netdata.conf.new "http://localhost:${NETDATA_PORT}/netdata.conf" + wget 2>/dev/null -O "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "http://localhost:${NETDATA_PORT}/netdata.conf" ret=$? # try curl - if [ $ret -ne 0 -o ! -s /etc/netdata/netdata.conf.net ] + if [ $ret -ne 0 -o ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] then - curl -s -o /etc/netdata/netdata.conf.new "http://localhost:${NETDATA_PORT}/netdata.conf" + curl -s -o "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "http://localhost:${NETDATA_PORT}/netdata.conf" ret=$? fi - if [ $ret -eq 0 -a -s /etc/netdata/netdata.conf.new ] + if [ $ret -eq 0 -a -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] then - mv /etc/netdata/netdata.conf.new /etc/netdata/netdata.conf - echo >&2 "New configuration saved for you to edit at /etc/netdata/netdata.conf" + mv "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "${NETDATA_PREFIX}/etc/netdata/netdata.conf" + echo >&2 "New configuration saved for you to edit at ${NETDATA_PREFIX}/etc/netdata/netdata.conf" - chown "${NETDATA_USER}" /etc/netdata/netdata.conf - chmod 0664 /etc/netdata/netdata.conf + chown "${NETDATA_USER}" "${NETDATA_PREFIX}/etc/netdata/netdata.conf" + chmod 0664 "${NETDATA_PREFIX}/etc/netdata/netdata.conf" else echo >&2 "Cannnot download configuration from netdata daemon using url 'http://localhost:${NETDATA_PORT}/netdata.conf'" - [ -f /etc/netdata/netdata.conf.new ] && rm /etc/netdata/netdata.conf.new + [ -f "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ] && rm "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" fi fi @@ -245,8 +400,51 @@ To stop netdata, just kill it, with: To start it, just run it: - netdata + ${NETDATA_PREFIX}/usr/sbin/netdata Enjoy! END + +ksm_is_available_but_disabled() { + cat </sys/kernel/mm/ksm/run +echo 1000 >/sys/kernel/mm/ksm/sleep_millisecs + +If you enable it, you will save 20-60% of netdata memory. + +KSM1 +} + +ksm_is_not_available() { + cat <