# reload the user profile
[ -f /etc/profile ] && . /etc/profile
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
+
# fix PKG_CHECK_MODULES error
if [ -d /usr/share/aclocal ]
then
fi
LC_ALL=C
-umask 022
+umask 002
+
+# Be nice on production environments
+renice 19 $$ >/dev/null 2>/dev/null
+
+processors=$(cat /proc/cpuinfo | grep ^processor | wc -l)
+[ $(( processors )) -lt 1 ] && processors=1
# you can set CFLAGS before running installer
CFLAGS="${CFLAGS--O3}"
printf "%q " "$0" "${@}" >>netdata-installer.log
printf "\n" >>netdata-installer.log
+REINSTALL_PWD="${PWD}"
+REINSTALL_COMMAND="$(printf "%q " "$0" "${@}"; printf "\n")"
+
+banner() {
+ local l1=" ^" \
+ l2=" |.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-" \
+ l3=" | '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' '-' " \
+ l4=" +----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--->" \
+ sp=" " \
+ netdata="netdata" start end msg="${*}"
+
+ [ ${#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} + ${#msg} + 4 ))
+
+ echo >&2
+ echo >&2 "${l1}"
+ echo >&2 "${l2:0:start}${sp:0:2}${netdata}${sp:0:$((end - start - 2 - ${#netdata}))}${l2:end:$((${#l2} - end))}"
+ echo >&2 "${l3:0:start}${sp:0:2}${msg}${sp:0:2}${l3:end:$((${#l2} - end))}"
+ echo >&2 "${l4}"
+ echo >&2
+}
+
service="$(which service 2>/dev/null || command -v service 2>/dev/null)"
systemctl="$(which systemctl 2>/dev/null || command -v systemctl 2>/dev/null)"
service() {
LIBS_ARE_HERE=0
usage() {
- cat <<-USAGE
+ banner "installer command line options"
+ cat <<USAGE
- ${ME} <installer options>
+${ME} <installer options>
- Valid <installer options> are:
+Valid <installer options> are:
- --install /PATH/TO/INSTALL
+ --install /PATH/TO/INSTALL
- If your give: --install /opt
- netdata will be installed in /opt/netdata
+ If your give: --install /opt
+ netdata will be installed in /opt/netdata
- --dont-start-it
+ --dont-start-it
- Do not (re)start netdata.
- Just install it.
+ Do not (re)start netdata.
+ Just install it.
- --dont-wait
+ --dont-wait
- Do not wait for the user to press ENTER.
- Start immediately building it.
+ Do not wait for the user to press ENTER.
+ Start immediately building it.
- --zlib-is-really-here
- --libs-are-really-here
+ --zlib-is-really-here
+ --libs-are-really-here
- If you get errors about missing zlib,
- or libuuid but you know it is available,
- you have a broken pkg-config.
- Use this option to allow it continue
- without checking pkg-config.
+ If you get errors about missing zlib,
+ or libuuid 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:
+Netdata will by default be compiled with gcc optimization -O3
+If you need to pass different CFLAGS, use something like this:
- CFLAGS="<gcc options>" ${ME} <installer options>
+ CFLAGS="<gcc options>" ${ME} <installer options>
- For the installer to complete successfully, you will need
- these packages installed:
+For the installer to complete successfully, you will need
+these packages installed:
- gcc make autoconf automake pkg-config zlib1g-dev (or zlib-devel)
- uuid-dev (or libuuid-devel)
+ gcc make autoconf automake pkg-config zlib1g-dev (or zlib-devel)
+ uuid-dev (or libuuid-devel)
- For the plugins, you will at least need:
+For the plugins, you will at least need:
- curl nodejs
+ curl nodejs
USAGE
}
do
git checkout ${c} "conf.d/${x}" || continue
s="$(cat "conf.d/${x}" | md5sum | cut -d ' ' -f 1)"
- echo >>configs.signatures.tmp "${x}:${s}"
+ echo >>configs.signatures.tmp "${s}:${x}"
echo " ${s}"
done
git checkout HEAD "conf.d/${x}" || break
{
echo "declare -A configs_signatures=("
IFS=":"
- while read file md5
+ while read md5 file
do
echo " ['${md5}']='${file}'"
done
fi
done
-cat <<-BANNER
-
- Welcome to netdata!
- Nice to see you are giving it a try!
+banner "real-time performance monitoring, done right!"
+cat <<BANNER
- You are about to build and install netdata to your system.
+ You are about to build and install netdata to your system.
- It will be installed at these locations:
+ It will be installed at these locations:
- - the daemon at ${NETDATA_PREFIX}/usr/sbin/netdata
- - config files at ${NETDATA_PREFIX}/etc/netdata
- - web files at ${NETDATA_PREFIX}/usr/share/netdata
- - plugins at ${NETDATA_PREFIX}/usr/libexec/netdata
- - cache files at ${NETDATA_PREFIX}/var/cache/netdata
- - db files at ${NETDATA_PREFIX}/var/lib/netdata
- - log files at ${NETDATA_PREFIX}/var/log/netdata
- - pid file at ${NETDATA_PREFIX}/var/run
+ - the daemon at ${NETDATA_PREFIX}/usr/sbin/netdata
+ - config files at ${NETDATA_PREFIX}/etc/netdata
+ - web files at ${NETDATA_PREFIX}/usr/share/netdata
+ - plugins at ${NETDATA_PREFIX}/usr/libexec/netdata
+ - cache files at ${NETDATA_PREFIX}/var/cache/netdata
+ - db files at ${NETDATA_PREFIX}/var/lib/netdata
+ - log files at ${NETDATA_PREFIX}/var/log/netdata
+ - pid file at ${NETDATA_PREFIX}/var/run
- This installer allows you to change the installation path.
- Press Control-C and run the same command with --help for help.
+ This installer allows you to change the installation path.
+ Press Control-C and run the same command with --help for help.
BANNER
then
if [ -z "${NETDATA_PREFIX}" ]
then
- cat <<-NONROOTNOPREFIX
+ banner "wrong command line options!"
+ cat <<NONROOTNOPREFIX
- Sorry! This will fail!
+Sorry! This will fail!
- You are attempting to install netdata as non-root, but you plan to install it
- in system paths.
+You are attempting to install netdata as non-root, but you plan to install it
+in system paths.
- Please set an installation prefix, like this:
+Please set an installation prefix, like this:
- $0 ${@} --install /tmp
+ $0 ${@} --install /tmp
- or, run the installer as root:
+or, run the installer as root:
- sudo $0 ${@}
+ sudo $0 ${@}
- We suggest to install it as root, or certain data collectors will not be able
- to work. Netdata drops root privileges when running. So, if you plan to keep
- it, install it as root to get the full functionality.
+We suggest to install it as root, or certain data collectors will not be able
+to work. Netdata drops root privileges when running. So, if you plan to keep
+it, install it as root to get the full functionality.
NONROOTNOPREFIX
exit 1
else
- cat <<-NONROOT
+ cat <<NONROOT
- IMPORTANT:
- You are about to install netdata as a non-root user.
- Netdata will work, but a few data collection modules that
- require root access will fail.
+IMPORTANT:
+You are about to install netdata as a non-root user.
+Netdata will work, but a few data collection modules that
+require root access will fail.
- If you installing permanently on your system, run the
- installer like this:
+If you installing permanently on your system, run the
+installer like this:
- sudo $0 ${@}
+ sudo $0 ${@}
NONROOT
fi
then
echo "Will skip autoreconf step"
else
- cat <<-"EOF"
+ banner "autotools v2.60 required"
+ cat <<"EOF"
- -------------------------------------------------------------------------------
- autotools 2.60 or later is required
+-------------------------------------------------------------------------------
+autotools 2.60 or later is required
- Sorry, you do not seem to have autotools 2.60 or later, which is
- required to build from the git sources of netdata.
+Sorry, you do not seem to have autotools 2.60 or later, which is
+required to build from the git sources of netdata.
- You can either install a suitable version of autotools and automake
- or download a netdata package which does not have these dependencies.
+You can either install a suitable version of autotools and automake
+or download a netdata package which does not have these dependencies.
- Source packages where autotools have already been run are available
- here:
- https://firehol.org/download/netdata/
+Source packages where autotools have already been run are available
+here:
+ https://firehol.org/download/netdata/
- The unsigned/master folder tracks the head of the git tree and released
- packages are also available.
+The unsigned/master folder tracks the head of the git tree and released
+packages are also available.
EOF
exit 1
fi
fi
build_error() {
- cat <<-EOF
+ banner "sorry, it failed to build..."
+ cat <<EOF
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Sorry! NetData failed to build...
+Sorry! netdata failed to build...
- You many need to check these:
+You many need to check these:
- 1. The package uuid-dev (or libuuid-devel) has to be installed.
+1. The package uuid-dev (or libuuid-devel) has to be installed.
- If your system cannot find libuuid, although it is installed
- run me with the option: --libs-are-really-here
+ If your system cannot find libuuid, although it is installed
+ run me with the option: --libs-are-really-here
- 2. The package zlib1g-dev (or zlib-devel) has to be installed.
+2. The package zlib1g-dev (or zlib-devel) has to be installed.
- If your system cannot find zlib, although it is installed
- run me with the option: --libs-are-really-here
+ If your system cannot find zlib, although it is installed
+ run me with the option: --libs-are-really-here
- 3. You need basic build tools installed, like:
+3. You need basic build tools installed, like:
- gcc make autoconf automake pkg-config
+ gcc make autoconf automake pkg-config
- Autoconf version 2.60 or higher is required.
+ Autoconf version 2.60 or higher is required.
- If you still cannot get it to build, ask for help at github:
+If you still cannot get it to build, ask for help at github:
- https://github.com/firehol/netdata/issues
+ https://github.com/firehol/netdata/issues
EOF
fi
echo >&2 "Compiling netdata ..."
-run make || exit 1
+run make -j${processors} || exit 1
if [ "${BASH_VERSINFO[0]}" -ge "4" ]
then
fi
done
-NETDATA_ADDED_TO_DOCKER=0
-if [ ${UID} -eq 0 ]
+echo >&2 "Fixing permissions ..."
+
+check_cmd() {
+ which "${1}" >/dev/null 2>&1 && return 0
+ command -v "${1}" >/dev/null 2>&1 && return 0
+ return 1
+}
+
+portable_add_user() {
+ local username="${1}"
+
+ getent passwd "${username}" > /dev/null 2>&1
+ [ $? -eq 0 ] && return 0
+
+ echo >&2 "Adding ${username} user account ..."
+
+ local nologin="$(which nologin 2>/dev/null || command -v nologin 2>/dev/null || echo '/bin/false')"
+
+ # Linux
+ if check_cmd useradd
then
- getent group netdata > /dev/null
- if [ $? -ne 0 ]
+ run useradd -r -g "${username}" -c "${username}" -s "${nologin}" -d / "${username}" && return 0
+ fi
+
+ # FreeBSD
+ if check_cmd pw
+ then
+ run pw useradd "${username}" -d / -g "${username}" -s "${nologin}" && return 0
+ fi
+
+ # BusyBox
+ if check_cmd adduser
+ then
+ run adduser -D -G "${username}" "${username}" && return 0
+ fi
+
+ echo >&2 "Failed to add ${username} user account !"
+
+ return 1
+}
+
+portable_add_group() {
+ local groupname="${1}"
+
+ getent group "${groupname}" > /dev/null 2>&1
+ [ $? -eq 0 ] && 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="${2}"
+
+ getent group "${groupname}" > /dev/null 2>&1
+ [ $? -ne 0 ] && return 1
+
+ # find the user is already in the group
+ local users=$(getent group "${groupname}" | cut -d ':' -f 4)
+ if [[ ",${users}," =~ ,${username}, ]]
then
- echo >&2 "Adding netdata user group ..."
- run groupadd -r netdata
+ # username is already there
+ 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
+}
- getent passwd netdata > /dev/null
- if [ $? -ne 0 ]
+iscontainer() {
+ # man systemd-detect-virt
+ local cmd=$(which systemd-detect-virt 2>/dev/null || command -v systemd-detect-virt 2>/dev/null)
+ if [ ! -z "${cmd}" -a -x "${cmd}" ]
then
- echo >&2 "Adding netdata user account ..."
- run useradd -r -g netdata -c netdata -s $(which nologin || echo '/bin/false') -d / netdata
+ "${cmd}" --container >/dev/null 2>&1 && return 0
fi
- getent group docker > /dev/null
- if [ $? -eq 0 ]
+ # /proc/1/sched exposes the host's pid of our init !
+ # http://stackoverflow.com/a/37016302
+ local pid=$( cat /proc/1/sched | head -n 1 | { IFS='(),#:' read name pid th threads; echo $pid; } )
+ local p=$(( 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
- # find the users in the docker group
- docker=$(getent group docker | cut -d ':' -f 4)
- if [[ ",${docker}," =~ ,netdata, ]]
- then
- # netdata is already there
- :
- else
- # netdata is not in docker group
- echo >&2 "Adding netdata user to the docker group (needed to get container names) ..."
- run usermod -a -G docker netdata
- fi
- # let the uninstall script know
- NETDATA_ADDED_TO_DOCKER=1
+ "/bin/running-in-container" >/dev/null 2>&1 && return 0
fi
+ return 1
+}
+
+run find ./system/ -type f -a \! -name \*.in -a \! -name Makefile\* -a \! -name \*.conf -a \! -name \*.service -a \! -name \*.logrotate -exec chmod 755 {} \;
+
+NETDATA_ADDED_TO_DOCKER=0
+NETDATA_ADDED_TO_NGINX=0
+NETDATA_ADDED_TO_VARNISH=0
+if [ ${UID} -eq 0 ]
+ then
+ portable_add_group netdata
+ portable_add_user netdata
+ portable_add_user_to_group docker netdata && NETDATA_ADDED_TO_DOCKER=1
+ portable_add_user_to_group nginx netdata && NETDATA_ADDED_TO_NGINX=1
+ portable_add_user_to_group varnish netdata && NETDATA_ADDED_TO_VARNISH=1
+
if [ -d /etc/logrotate.d -a ! -f /etc/logrotate.d/netdata ]
then
echo >&2 "Adding netdata logrotate configuration ..."
run cp system/netdata.logrotate /etc/logrotate.d/netdata
fi
+
+ if [ -f /etc/logrotate.d/netdata ]
+ then
+ echo >&2 "Fixing netdata logrotate permissions ..."
+ run chmod 644 /etc/logrotate.d/netdata
+ fi
fi
echo "${value}"
}
-# user
-defuser="netdata"
-[ ! "${UID}" = "0" ] && defuser="${USER}"
-NETDATA_USER="$( config_option "run as user" "${defuser}" )"
+# the user netdata will run as
+if [ "${UID}" = "0" ]
+ then
+ NETDATA_USER="$( config_option "run as user" "netdata" )"
+else
+ NETDATA_USER="${USER}"
+fi
-NETDATA_WEB_USER="$( config_option "web files owner" "${defuser}" )"
+# the owners of the web files
+NETDATA_WEB_USER="$( config_option "web files owner" "${NETDATA_USER}" )"
NETDATA_WEB_GROUP="$( config_option "web files group" "${NETDATA_WEB_USER}" )"
# debug flags
-defdebug=0
-NETDATA_DEBUG="$( config_option "debug flags" ${defdebug} )"
+NETDATA_DEBUG="$( config_option "debug flags" 0 )"
# port
defport=19999
echo >&2
echo >&2 "Fixing directories (user: ${NETDATA_USER})..."
-for x in "${NETDATA_WEB_DIR}" "${NETDATA_CONF_DIR}" "${NETDATA_CACHE_DIR}" "${NETDATA_LOG_DIR}" "${NETDATA_LIB_DIR}" "${NETDATA_CONF_DIR}/python.d" "${NETDATA_CONF_DIR}/charts.d" "${NETDATA_CONF_DIR}/node.d"
+
+# --- conf dir ----
+
+for x in "python.d" "charts.d" "node.d"
+do
+ if [ ! -d "${NETDATA_CONF_DIR}/${x}" ]
+ then
+ echo >&2 "Creating directory '${NETDATA_CONF_DIR}/${x}'"
+ run mkdir -p "${NETDATA_CONF_DIR}/${x}" || exit 1
+ fi
+done
+run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${NETDATA_CONF_DIR}"
+run find "${NETDATA_CONF_DIR}" -type f -exec chmod 0660 {} \;
+run find "${NETDATA_CONF_DIR}" -type d -exec chmod 0775 {} \;
+
+# --- web dir ----
+
+if [ ! -d "${NETDATA_WEB_DIR}" ]
+ then
+ echo >&2 "Creating directory '${NETDATA_WEB_DIR}'"
+ run mkdir -p "${NETDATA_WEB_DIR}" || exit 1
+fi
+run chown -R "${NETDATA_WEB_USER}:${NETDATA_WEB_GROUP}" "${NETDATA_WEB_DIR}"
+run find "${NETDATA_WEB_DIR}" -type f -exec chmod 0664 {} \;
+run find "${NETDATA_WEB_DIR}" -type d -exec chmod 0775 {} \;
+
+# --- data dirs ----
+
+for x in "${NETDATA_LIB_DIR}" "${NETDATA_CACHE_DIR}" "${NETDATA_LOG_DIR}"
do
if [ ! -d "${x}" ]
then
run mkdir -p "${x}" || exit 1
fi
- if [ ${UID} -eq 0 ]
+ run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${x}"
+ #run find "${x}" -type f -exec chmod 0660 {} \;
+ #run find "${x}" -type d -exec chmod 0770 {} \;
+done
+
+run chmod 755 "${NETDATA_LOG_DIR}"
+
+# --- plugins ----
+
+if [ ${UID} -eq 0 ]
+ then
+ run chown "${NETDATA_USER}:root" "${NETDATA_LOG_DIR}"
+ run chown -R root "${NETDATA_PREFIX}/usr/libexec/netdata"
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type d -exec chmod 0755 {} \;
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type f -exec chmod 0644 {} \;
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type f -a -name \*.plugin -exec chmod 0755 {} \;
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type f -a -name \*.sh -exec chmod 0755 {} \;
+
+ setcap_ret=1
+ if ! iscontainer
then
- if [ "${x}" = "${NETDATA_WEB_DIR}" ]
+ run setcap cap_dac_read_search,cap_sys_ptrace+ep "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ setcap_ret=$?
+
+ if [ ${setcap_ret} -eq 0 ]
then
- run chown -R "${NETDATA_WEB_USER}:${NETDATA_WEB_GROUP}" "${x}" || echo >&2 "WARNING: Cannot change the ownership of the files in directory ${x} to ${NETDATA_WEB_USER}:${NETDATA_WEB_GROUP}..."
- else
- run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${x}" || echo >&2 "WARNING: Cannot change the ownership of the files in directory ${x} to ${NETDATA_USER}..."
+ # if we managed to setcap
+ # but we fail to execute apps.plugin
+ # trigger setuid to root
+ "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin" -v >/dev/null 2>&1
+ setcap_ret=$?
fi
fi
- run chmod 0755 "${x}" || echo >&2 "WARNING: Cannot change the permissions of the directory ${x} to 0755..."
-done
-
-if [ ${UID} -eq 0 ]
- then
- run chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- run chmod 0755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- run setcap cap_dac_read_search,cap_sys_ptrace+ep "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- if [ $? -ne 0 ]
+ if [ ${setcap_ret} -ne 0 ]
then
# fix apps.plugin to be setuid to root
run chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
run chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
fi
+else
+ run chown "${NETDATA_USER}:${NETDATA_USER}" "${NETDATA_LOG_DIR}"
+ run chown -R "${NETDATA_USER}:${NETDATA_USER}" "${NETDATA_PREFIX}/usr/libexec/netdata"
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type f -exec chmod 0755 {} \;
+ run find "${NETDATA_PREFIX}/usr/libexec/netdata" -type d -exec chmod 0755 {} \;
fi
+# --- fix #1292 bug ---
+
+[ -d "${NETDATA_PREFIX}/usr/libexec" ] && run chmod a+rX "${NETDATA_PREFIX}/usr/libexec"
+[ -d "${NETDATA_PREFIX}/usr/share/netdata" ] && run chmod a+rX "${NETDATA_PREFIX}/usr/share/netdata"
+
+
# -----------------------------------------------------------------------------
# check if we can re-start netdata
then
chown "${NETDATA_USER}" "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
fi
- chmod 0664 "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
+ chmod 0644 "${NETDATA_PREFIX}/etc/netdata/netdata.conf"
fi
- echo >&2 "OK. It is now installed and ready."
+ banner "is installed now!"
+ echo >&2 " enjoy real-time performance and health monitoring..."
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
+ 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="$1" ret=0 count=0
+ local pid="${1}" ret=0 count=0
- isnetdata $pid || return 0
+ isnetdata ${pid} || return 0
- printf >&2 "Stopping netdata on pid $pid ..."
- while [ ! -z "$pid" -a $ret -eq 0 ]
+ printf >&2 "Stopping netdata on pid ${pid} ..."
+ while [ ! -z "$pid" -a ${ret} -eq 0 ]
do
- if [ $count -gt 45 ]
+ if [ ${count} -gt 45 ]
then
- echo >&2 "Cannot stop the running netdata on pid $pid."
+ echo >&2 "Cannot stop the running netdata on pid ${pid}."
return 1
fi
count=$(( count + 1 ))
- run kill $pid 2>/dev/null
+ run kill ${pid} 2>/dev/null
ret=$?
- test $ret -eq 0 && printf >&2 "." && sleep 2
+ test ${ret} -eq 0 && printf >&2 "." && sleep 2
done
echo >&2
- if [ $ret -eq 0 ]
+ if [ ${ret} -eq 0 ]
then
- echo >&2 "SORRY! CANNOT STOP netdata ON PID $pid !"
+ echo >&2 "SORRY! CANNOT STOP netdata ON PID ${pid} !"
return 1
fi
- echo >&2 "netdata on pid $pid stopped."
+ echo >&2 "netdata on pid ${pid} stopped."
return 0
}
stop_all_netdata() {
- local p
+ local p myns ns
+
+ myns="$(readlink /proc/self/ns/pid 2>/dev/null)"
echo >&2 "Stopping a (possibly) running netdata..."
$(cat /var/run/netdata/netdata.pid 2>/dev/null) \
$(pidof netdata 2>/dev/null)
do
- stop_netdata_on_pid $p
+ ns="$(readlink /proc/${p}/ns/pid 2>/dev/null)"
+
+ if [ -z "${myns}" -o -z "${ns}" -o "${myns}" = "${ns}" ]
+ then
+ stop_netdata_on_pid ${p}
+ fi
done
}
# -----------------------------------------------------------------------------
-# check netdata for systemd
+# check for systemd
issystemd() {
+ local pids p myns ns systemctl
+
# if the directory /etc/systemd/system does not exit, it is not systemd
[ ! -d /etc/systemd/system ] && return 1
+ # if there is no systemctl command, it is not systemd
+ systemctl=$(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 $(readlink /proc/1/exe) 2>/dev/null)" = "systemd" ] && return 0
- # if systemd is running, it is systemd
- pidof systemd >/dev/null 2>&1 && return 0
+ # if systemd is not running, it is not systemd
+ pids=$(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
}
+installed_init_d=0
+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}-${VERSION_ID}"
+
+ elif [ -f /etc/centos-release ]
+ then
+ key=$(</etc/centos-release)
+ fi
+
+ if [ -d /etc/init.d -a ! -f /etc/init.d/netdata ]
+ then
+ if [ "${key}" = "gentoo" ]
+ then
+ run cp system/netdata-openrc /etc/init.d/netdata && \
+ run chmod 755 /etc/init.d/netdata && \
+ run rc-update add netdata default && \
+ installed_init_d=1
+
+ elif [ "${key}" = "ubuntu-12.04" -o "${key}" = "ubuntu-14.04" -o "${key}" = "debian-7" ]
+ then
+ 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 && \
+ installed_init_d=1
+
+ elif [ "${key}" = "CentOS release 6.8 (Final)" -o "${key}" = "amzn-2016.09" ]
+ then
+ run cp system/netdata-init-d /etc/init.d/netdata && \
+ run chmod 755 /etc/init.d/netdata && \
+ run chkconfig netdata on && \
+ installed_init_d=1
+ fi
+ fi
+
+ return 0
+}
+
started=0
if [ "${UID}" -eq 0 ]
then
stop_all_netdata
service netdata restart && started=1
+ else
+ install_non_systemd_init
fi
if [ ${started} -eq 0 ]
ret=$?
# try curl
- if [ $ret -ne 0 -o ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
+ if [ ${ret} -ne 0 -o ! -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
then
curl -s -o "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" "http://localhost:${NETDATA_PORT}/netdata.conf"
ret=$?
fi
- if [ $ret -eq 0 -a -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
+ if [ ${ret} -eq 0 -a -s "${NETDATA_PREFIX}/etc/netdata/netdata.conf.new" ]
then
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"
# Check for KSM
ksm_is_available_but_disabled() {
- cat <<-KSM1
+ cat <<KSM1
- -------------------------------------------------------------------------------
- Memory de-duplication instructions
+-------------------------------------------------------------------------------
+Memory de-duplication instructions
- You have kernel memory de-duper (called Kernel Same-page Merging,
- or KSM) available, but it is not currently enabled.
+You have kernel memory de-duper (called Kernel Same-page Merging,
+or KSM) available, but it is not currently enabled.
- To enable it run:
+To enable it run:
- echo 1 >/sys/kernel/mm/ksm/run
- echo 1000 >/sys/kernel/mm/ksm/sleep_millisecs
+echo 1 >/sys/kernel/mm/ksm/run
+echo 1000 >/sys/kernel/mm/ksm/sleep_millisecs
- If you enable it, you will save 40-60% of netdata memory.
+If you enable it, you will save 40-60% of netdata memory.
KSM1
}
ksm_is_not_available() {
- cat <<-KSM2
+ cat <<KSM2
- -------------------------------------------------------------------------------
- Memory de-duplication not present in your kernel
+-------------------------------------------------------------------------------
+Memory de-duplication not present in your kernel
- It seems you do not have kernel memory de-duper (called Kernel Same-page
- Merging, or KSM) available.
+It seems you do not have kernel memory de-duper (called Kernel Same-page
+Merging, or KSM) available.
- To enable it, you need a kernel built with CONFIG_KSM=y
+To enable it, you need a kernel built with CONFIG_KSM=y
- If you can have it, you will save 40-60% of netdata memory.
+If you can have it, you will save 40-60% of netdata memory.
KSM2
}
if [ ! -s web/version.txt ]
then
- cat <<-VERMSG
+ cat <<VERMSG
- -------------------------------------------------------------------------------
- Version update check warning
+-------------------------------------------------------------------------------
+Version update check warning
- The way you downloaded netdata, we cannot find its version. This means the
- Update check on the dashboard, will not work.
+The way you downloaded netdata, we cannot find its version. This means the
+Update check on the dashboard, will not work.
- If you want to have version update check, please re-install it
- following the procedure in:
+If you want to have version update check, please re-install it
+following the procedure in:
- https://github.com/firehol/netdata/wiki/Installation
+https://github.com/firehol/netdata/wiki/Installation
VERMSG
fi
if [ "${UID}" -ne 0 ]
then
- cat <<-SETUID_WARNING
+ cat <<SETUID_WARNING
- -------------------------------------------------------------------------------
- apps.plugin needs privileges
+-------------------------------------------------------------------------------
+apps.plugin needs privileges
- Since you have installed netdata as a normal user, to have apps.plugin collect
- all the needed data, you have to give it the access rights it needs, by running
- either of the following sets of commands:
+Since you have installed netdata as a normal user, to have apps.plugin collect
+all the needed data, you have to give it the access rights it needs, by running
+either of the following sets of commands:
- To run apps.plugin with escalated capabilities:
+To run apps.plugin with escalated capabilities:
- sudo chown root:${NETDATA_USER} "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- sudo chmod 0750 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- sudo setcap cap_dac_read_search,cap_sys_ptrace+ep "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ sudo chown root:${NETDATA_USER} "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ sudo chmod 0750 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ sudo setcap cap_dac_read_search,cap_sys_ptrace+ep "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- or, to run apps.plugin as root:
+or, to run apps.plugin as root:
- sudo chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- sudo chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ sudo chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
+ sudo chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- apps.plugin is performing a hard-coded function of data collection for all
- running processes. It cannot be instructed from the netdata daemon to perform
- any task, so it is pretty safe to do this.
+apps.plugin is performing a hard-coded function of data collection for all
+running processes. It cannot be instructed from the netdata daemon to perform
+any task, so it is pretty safe to do this.
SETUID_WARNING
fi
# -----------------------------------------------------------------------------
# Keep un-install info
-cat >netdata-uninstaller.sh <<-UNINSTALL
- #!/bin/bash
+cat >netdata-uninstaller.sh <<UNINSTALL
+#!/usr/bin/env bash
+
+# this script will uninstall netdata
+
+if [ "\$1" != "--force" ]
+ then
+ echo >&2 "This script will REMOVE netdata from your system."
+ echo >&2 "Run it again with --force to do it."
+ exit 1
+fi
- # this script will uninstall netdata
+echo >&2 "Stopping a possibly running netdata..."
+for p in \$(pidof netdata); do kill \$p; done
+sleep 2
- if [ "\$1" != "--force" ]
+deletedir() {
+ if [ ! -z "\$1" -a -d "\$1" ]
then
- echo >&2 "This script will REMOVE netdata from your system."
- echo >&2 "Run it again with --force to do it."
- exit 1
+ echo
+ echo "Deleting directory '\$1' ..."
+ rm -I -R "\$1"
fi
+}
- echo >&2 "Stopping a possibly running netdata..."
- for p in \$(pidof netdata); do kill \$p; done
- sleep 2
+if [ ! -z "${NETDATA_PREFIX}" -a -d "${NETDATA_PREFIX}" ]
+ then
+ # installation prefix was given
- deletedir() {
- if [ ! -z "\$1" -a -d "\$1" ]
- then
- echo
- echo "Deleting directory '\$1' ..."
- rm -I -R "\$1"
- fi
- }
+ deletedir "${NETDATA_PREFIX}"
+
+else
+ # installation prefix was NOT given
- if [ ! -z "${NETDATA_PREFIX}" -a -d "${NETDATA_PREFIX}" ]
+ if [ -f "${NETDATA_PREFIX}/usr/sbin/netdata" ]
then
- # installation prefix was given
+ echo "Deleting ${NETDATA_PREFIX}/usr/sbin/netdata ..."
+ rm -i "${NETDATA_PREFIX}/usr/sbin/netdata"
+ fi
- deletedir "${NETDATA_PREFIX}"
+ deletedir "${NETDATA_PREFIX}/etc/netdata"
+ deletedir "${NETDATA_PREFIX}/usr/share/netdata"
+ deletedir "${NETDATA_PREFIX}/usr/libexec/netdata"
+ deletedir "${NETDATA_PREFIX}/var/lib/netdata"
+ deletedir "${NETDATA_PREFIX}/var/cache/netdata"
+ deletedir "${NETDATA_PREFIX}/var/log/netdata"
+fi
- else
- # installation prefix was NOT given
+if [ -f /etc/logrotate.d/netdata ]
+ then
+ echo "Deleting /etc/logrotate.d/netdata ..."
+ rm -i /etc/logrotate.d/netdata
+fi
- if [ -f "${NETDATA_PREFIX}/usr/sbin/netdata" ]
- then
- echo "Deleting ${NETDATA_PREFIX}/usr/sbin/netdata ..."
- rm -i "${NETDATA_PREFIX}/usr/sbin/netdata"
- fi
+if [ -f /etc/systemd/system/netdata.service ]
+ then
+ echo "Deleting /etc/systemd/system/netdata.service ..."
+ rm -i /etc/systemd/system/netdata.service
+fi
- deletedir "${NETDATA_PREFIX}/etc/netdata"
- deletedir "${NETDATA_PREFIX}/usr/share/netdata"
- deletedir "${NETDATA_PREFIX}/usr/libexec/netdata"
- deletedir "${NETDATA_PREFIX}/var/lib/netdata"
- deletedir "${NETDATA_PREFIX}/var/cache/netdata"
- deletedir "${NETDATA_PREFIX}/var/log/netdata"
- fi
+if [ -f /etc/init.d/netdata ]
+ then
+ echo "Deleting /etc/init.d/netdata ..."
+ rm -i /etc/init.d/netdata
+fi
- if [ -f /etc/logrotate.d/netdata ]
- then
- echo "Deleting /etc/logrotate.d/netdata ..."
- rm -i /etc/logrotate.d/netdata
- fi
+getent passwd netdata > /dev/null
+if [ $? -eq 0 ]
+ then
+ echo
+ echo "You may also want to remove the user netdata"
+ echo "by running:"
+ echo " userdel netdata"
+fi
- if [ -f /etc/systemd/system/netdata.service ]
- then
- echo "Deleting /etc/systemd/system/netdata.service ..."
- rm -i /etc/systemd/system/netdata.service
- fi
+getent group netdata > /dev/null
+if [ $? -eq 0 ]
+ then
+ echo
+ echo "You may also want to remove the group netdata"
+ echo "by running:"
+ echo " groupdel netdata"
+fi
- getent passwd netdata > /dev/null
- if [ $? -eq 0 ]
- then
- echo
- echo "You may also want to remove the user netdata"
- echo "by running:"
- echo " userdel netdata"
- fi
+getent group docker > /dev/null
+if [ $? -eq 0 -a "${NETDATA_ADDED_TO_DOCKER}" = "1" ]
+ then
+ echo
+ echo "You may also want to remove the netdata user from the docker group"
+ echo "by running:"
+ echo " gpasswd -d netdata docker"
+fi
- getent group netdata > /dev/null
- if [ $? -eq 0 ]
- then
- echo
- echo "You may also want to remove the group netdata"
- echo "by running:"
- echo " groupdel netdata"
- fi
+getent group nginx > /dev/null
+if [ $? -eq 0 -a "${NETDATA_ADDED_TO_NGINX}" = "1" ]
+ then
+ echo
+ echo "You may also want to remove the netdata user from the nginx group"
+ echo "by running:"
+ echo " gpasswd -d netdata nginx"
+fi
- getent group docker > /dev/null
- if [ $? -eq 0 -a "${NETDATA_ADDED_TO_DOCKER}" = "1" ]
- then
- echo
- echo "You may also want to remove the netdata user from the docker group"
- echo "by running:"
- echo " gpasswd -d netdata docker"
- fi
+getent group varnish > /dev/null
+if [ $? -eq 0 -a "${NETDATA_ADDED_TO_VARNISH}" = "1" ]
+ then
+ echo
+ echo "You may also want to remove the netdata user from the varnish group"
+ echo "by running:"
+ echo " gpasswd -d netdata varnish"
+fi
UNINSTALL
chmod 750 netdata-uninstaller.sh
# -----------------------------------------------------------------------------
-cat <<-END
+cat <<END
- -------------------------------------------------------------------------------
+-------------------------------------------------------------------------------
- OK. NetData is installed and it is running.
+OK. NetData is installed and it is running.
- -------------------------------------------------------------------------------
+-------------------------------------------------------------------------------
- By default netdata listens on all IPs on port ${NETDATA_PORT},
- so you can access it with:
+By default netdata listens on all IPs on port ${NETDATA_PORT},
+so you can access it with:
- http://this.machine.ip:${NETDATA_PORT}/
+http://this.machine.ip:${NETDATA_PORT}/
- To stop netdata, just kill it, with:
+To stop netdata, just kill it, with:
- killall netdata
+ killall netdata
- To start it, just run it:
+To start it, just run it:
- ${NETDATA_PREFIX}/usr/sbin/netdata
+ ${NETDATA_PREFIX}/usr/sbin/netdata
- Enjoy!
-
END
echo >&2 "Uninstall script generated: ./netdata-uninstaller.sh"
+
+if [ -d .git ]
+ then
+ cat >netdata-updater.sh.new <<REINSTALL
+#!/usr/bin/env bash
+
+force=0
+[ "\${1}" = "-f" ] && force=1
+
+export PATH="\${PATH}:${PATH}"
+export CFLAGS="${CFLAGS}"
+
+INSTALL_UID="${UID}"
+if [ "\${INSTALL_UID}" != "\${UID}" ]
+ then
+ echo >&2 "This script should be run as user with uid \${INSTALL_UID} but it now runs with uid \${UID}"
+ exit 1
+fi
+
+# make sure we cd to the working directory
+cd "${REINSTALL_PWD}" || exit 1
+
+# make sure there is .git here
+[ \${force} -eq 0 -a ! -d .git ] && echo >&2 "No git structures found at: ${REINSTALL_PWD} (use -f for force re-install)" && exit 1
+
+# signal netdata to start saving its database
+# this is handy if your database is big
+pids=\$(pidof netdata)
+[ ! -z "\${pids}" ] && kill -USR1 \${pids}
+
+tmp=
+if [ -t 2 ]
+ then
+ # we are running on a terminal
+ # open fd 3 and send it to stderr
+ exec 3>&2
+else
+ # we are headless
+ # create a temporary file for the log
+ tmp=\$(mktemp /tmp/netdata-updater-log-XXXXXX.log)
+ # open fd 3 and send it to tmp
+ exec 3>\${tmp}
+fi
+
+info() {
+ echo >&3 "\$(date) : INFO: " "\${@}"
+}
+
+emptyline() {
+ echo >&3
+}
+
+error() {
+ echo >&3 "\$(date) : ERROR: " "\${@}"
+}
+
+# this is what we will do if it fails (head-less only)
+failed() {
+ error "FAILED TO UPDATE NETDATA : \${1}"
+
+ if [ ! -z "\${tmp}" ]
+ then
+ cat >&2 "\${tmp}"
+ rm "\${tmp}"
+ fi
+ exit 1
+}
+
+get_latest_commit_id() {
+ git log -1 2>&3 |\\
+ grep ^commit 2>&3 |\\
+ head -n 1 2>&3 |\\
+ cut -d ' ' -f 2 2>&3
+}
+
+update() {
+ [ -z "\${tmp}" ] && info "Running on a terminal - (this script also supports running headless from crontab)"
+
+ emptyline
+
+ if [ -d .git ]
+ then
+ info "Updating netdata source from github..."
+
+ last_commit="\$(get_latest_commit_id)"
+ [ \${force} -eq 0 -a -z "\${last_commit}" ] && failed "CANNOT GET LAST COMMIT ID (use -f for force re-install)"
+
+ git pull >&3 2>&3 || failed "CANNOT FETCH LATEST SOURCE (use -f for force re-install)"
+
+ new_commit="\$(get_latest_commit_id)"
+ if [ \${force} -eq 0 ]
+ then
+ [ -z "\${new_commit}" ] && failed "CANNOT GET NEW LAST COMMIT ID (use -f for force re-install)"
+ [ "\${new_commit}" = "\${last_commit}" ] && info "Nothing to be done! (use -f to force re-install)" && exit 0
+ fi
+ elif [ \${force} -eq 0 ]
+ then
+ failed "CANNOT FIND GIT STRUCTURES IN \$(pwd) (use -f for force re-install)"
+ fi
+
+ emptyline
+ info "Re-installing netdata..."
+ ${REINSTALL_COMMAND// --dont-wait/} --dont-wait >&3 2>&3 || failed "FAILED TO COMPILE/INSTALL NETDATA"
+
+ [ ! -z "\${tmp}" ] && rm "\${tmp}" && tmp=
+ return 0
+}
+
+# the installer updates this script - so we run and exit in a single line
+update && exit 0
+###############################################################################
+###############################################################################
+REINSTALL
+ chmod 755 netdata-updater.sh.new
+ mv -f netdata-updater.sh.new netdata-updater.sh
+ echo >&2 "Update script generated : ./netdata-updater.sh"
+elif [ -f "netdata-updater.sh" ]
+ then
+ rm "netdata-updater.sh"
+fi
+
+banner "is installed and running now!"
+echo >&2 " enjoy real-time performance and health monitoring..."
+echo >&2
+exit 0