-#!/bin/bash
+#!/usr/bin/env bash
# reload the user profile
[ -f /etc/profile ] && . /etc/profile
USAGE
}
+md5sum="$(which md5sum 2>/dev/null || command -v md5sum 2>/dev/null)"
+get_git_config_signatures() {
+ local x s file md5
+
+ [ ! -d "conf.d" ] && echo >&2 "Wrong directory." && return 1
+ [ -z "${md5sum}" -o ! -x "${md5sum}" ] && echo >&2 "No md5sum command." && return 1
+
+ echo >configs.signatures.tmp
+
+ for x in $(find conf.d -name \*.conf)
+ do
+ x="${x/conf.d\//}"
+ echo "${x}"
+ for c in $(git log --follow "conf.d/${x}" | grep ^commit | cut -d ' ' -f 2)
+ 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 " ${s}"
+ done
+ git checkout HEAD "conf.d/${x}" || break
+ done
+
+ cat configs.signatures.tmp |\
+ grep -v "^$" |\
+ sort -u |\
+ {
+ echo "declare -A configs_signatures=("
+ IFS=":"
+ while read file md5
+ do
+ echo " ['${md5}']='${file}'"
+ done
+ echo ")"
+ } >configs.signatures
+
+ rm configs.signatures.tmp
+
+ return 0
+}
+
+
while [ ! -z "${1}" ]
do
if [ "$1" = "--install" ]
then
usage
exit 1
+ elif [ "$1" = "get_git_config_signatures" ]
+ then
+ get_git_config_signatures && exit 0
+ exit 1
else
echo >&2
echo >&2 "ERROR:"
if [ ${LIBS_ARE_HERE} -eq 1 ]
then
shift
- echo >&2 "ok, assuming zlib is really installed."
+ echo >&2 "ok, assuming libs are really installed."
export ZLIB_CFLAGS=" "
export ZLIB_LIBS="-lz"
export UUID_CFLAGS=" "
echo >&2 "Compiling netdata ..."
run make || exit 1
+declare -A configs_signatures=()
+if [ -f "configs.signatures" ]
+ then
+ source "configs.signatures" || echo >&2 "ERROR: Failed to load configs.signatures !"
+fi
+
+# migrate existing configuration files
+# for node.d and charts.d
+if [ -d "${NETDATA_PREFIX}/etc/netdata" ]
+ then
+ # the configuration directory exists
+
+ if [ ! -d "${NETDATA_PREFIX}/etc/netdata/charts.d" ]
+ then
+ run mkdir "${NETDATA_PREFIX}/etc/netdata/charts.d"
+ fi
+
+ # move the charts.d config files
+ for x in apache ap cpu_apps cpufreq example exim hddtemp load_average mem_apps mysql nginx nut opensips phpfpm postfix sensors squid tomcat
+ do
+ for y in "" ".old" ".orig"
+ do
+ if [ -f "${NETDATA_PREFIX}/etc/netdata/${x}.conf${y}" ]
+ then
+ run mv -f "${NETDATA_PREFIX}/etc/netdata/${x}.conf${y}" "${NETDATA_PREFIX}/etc/netdata/charts.d/${x}.conf${y}"
+ fi
+ done
+ done
+
+ if [ ! -d "${NETDATA_PREFIX}/etc/netdata/node.d" ]
+ then
+ run mkdir "${NETDATA_PREFIX}/etc/netdata/node.d"
+ fi
+
+ # move the node.d config files
+ for x in named sma_webbox snmp
+ do
+ for y in "" ".old" ".orig"
+ do
+ if [ -f "${NETDATA_PREFIX}/etc/netdata/${x}.conf${y}" ]
+ then
+ run mv -f "${NETDATA_PREFIX}/etc/netdata/${x}.conf${y}" "${NETDATA_PREFIX}/etc/netdata/node.d/${x}.conf${y}"
+ fi
+ done
+ done
+fi
+
# backup user configurations
-for x in apps_groups.conf charts.d.conf
+installer_backup_suffix="${PID}.${RANDOM}"
+for x in $(find "${NETDATA_PREFIX}/etc/netdata/" -name '*.conf' -type f)
do
- if [ -f "${NETDATA_PREFIX}/etc/netdata/${x}" ]
+ if [ -f "${x}" ]
+ then
+ # make a backup of the configuration file
+ cp -p "${x}" "${x}.old"
+
+ if [ -z "${md5sum}" -o ! -x "${md5sum}" ]
+ then
+ # we don't have md5sum - keep it
+ cp -p "${x}" "${x}.installer_backup.${installer_backup_suffix}"
+ else
+ # find it relative filename
+ f="${x/*\/etc\/netdata\//}"
+
+ # find its checksum
+ md5="$(cat "${x}" | ${md5sum} | cut -d ' ' -f 1)"
+
+ # copy the original
+ if [ -f "conf.d/${f}" ]
+ then
+ cp "conf.d/${f}" "${x}.orig"
+ fi
+
+ if [ "${configs_signatures[${md5}]}" = "${f}" ]
+ then
+ # it is a stock version - don't keep it
+ echo >&2 "File '${x}' is stock version."
+ else
+ # edited by user - keep it
+ echo >&2 "File '${x}' has been edited by user."
+ cp -p "${x}" "${x}.installer_backup.${installer_backup_suffix}"
+ fi
+ fi
+
+ elif [ -f "${x}.installer_backup.${installer_backup_suffix}" ]
then
- cp -p "${NETDATA_PREFIX}/etc/netdata/${x}" "${NETDATA_PREFIX}/etc/netdata/${x}.installer_backup"
+ rm -f "${x}.installer_backup.${installer_backup_suffix}"
fi
done
run make install || exit 1
# restore user configurations
-for x in apps_groups.conf charts.d.conf
+for x in $(find "${NETDATA_PREFIX}/etc/netdata/" -name '*.conf' -type f)
do
- if [ -f "${NETDATA_PREFIX}/etc/netdata/${x}.installer_backup" ]
+ if [ -f "${x}.installer_backup.${installer_backup_suffix}" ]
then
- cp -p "${NETDATA_PREFIX}/etc/netdata/${x}.installer_backup" "${NETDATA_PREFIX}/etc/netdata/${x}"
+ cp -p "${x}.installer_backup.${installer_backup_suffix}" "${x}"
+ rm -f "${x}.installer_backup.${installer_backup_suffix}"
fi
done
if [ $? -ne 0 ]
then
echo >&2 "Adding netdata user account ..."
- run useradd -r -g netdata -c netdata -s /sbin/nologin -d / netdata
+ run useradd -r -g netdata -c netdata -s $(which nologin || echo '/bin/false') -d / netdata
fi
getent group docker > /dev/null
# let the uninstall script know
NETDATA_ADDED_TO_DOCKER=1
fi
+
+ if [ -d /etc/logrotate.d -a ! -f /etc/logrotate.d/netdata ]
+ then
+ echo >&2 "Adding netdata logrotate configuration ..."
+ run cp system/netdata.logrotate /etc/logrotate.d/netdata
+ fi
fi
mkdir -p "${NETDATA_RUN_DIR}" || exit 1
fi
+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}"
+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"
do
if [ ! -d "${x}" ]
then
return 1
}
+stop_netdata_on_pid() {
+ local pid="$1" ret=0 count=0
-echo >&2
-echo >&2 "-------------------------------------------------------------------------------"
-echo >&2
-printf >&2 "Stopping a (possibly) running netdata..."
-ret=0
-count=0
-while [ $ret -eq 0 ]
-do
- if [ $count -gt 30 ]
- then
- echo >&2 "Cannot stop the running netdata."
- exit 1
- fi
+ isnetdata $pid || return 0
- count=$((count + 1))
+ 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 ))
- pid=$(cat "${NETDATA_RUN_DIR}/netdata.pid" 2>/dev/null)
- # backwards compatibility
- [ -z "${pid}" ] && pid=$(cat /var/run/netdata.pid 2>/dev/null)
- [ -z "${pid}" ] && pid=$(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=$?
+
+ 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
- test $ret -eq 0 && printf >&2 "." && sleep 2
-done
-echo >&2
-echo >&2
+ echo >&2 "netdata on pid $pid stopped."
+ return 0
+}
+
+stop_all_netdata() {
+ local p
+ echo >&2 "Stopping a (possibly) running netdata..."
+
+ for p in $(cat "${NETDATA_RUN_DIR}/netdata.pid" 2>/dev/null) \
+ $(cat /var/run/netdata.pid 2>/dev/null) \
+ $(cat /var/run/netdata/netdata.pid 2>/dev/null) \
+ $(pidof netdata 2>/dev/null)
+ do
+ stop_netdata_on_pid $p
+ done
+}
# -----------------------------------------------------------------------------
-# run netdata
+# check netdata for systemd
+
+issystemd() {
+ # if the directory /etc/systemd/system does not exit, it is not systemd
+ [ ! -d /etc/systemd/system ] && return 1
-echo >&2 "Starting netdata..."
-run ${NETDATA_PREFIX}/usr/sbin/netdata -pidfile ${NETDATA_RUN_DIR}/netdata.pid "${@}"
+ # if pid 1 is systemd, it is systemd
+ [ "$(basename $(readlink /proc/1/exe) 2>/dev/null)" = "systemd" ] && return 0
-if [ $? -ne 0 ]
+ # if systemd is running, it is systemd
+ pidof systemd >/dev/null 2>&1 && return 0
+
+ # else, it is not systemd
+ return 1
+}
+
+started=0
+if [ "${UID}" -eq 0 ]
then
- echo >&2
- echo >&2 "SORRY! FAILED TO START NETDATA!"
- exit 1
-else
- echo >&2 "OK. NetData Started!"
+
+ if issystemd
+ then
+ # systemd is running on this system
+
+ if [ ! -f /etc/systemd/system/netdata.service ]
+ then
+ echo >&2 "Installing systemd service..."
+ run cp system/netdata.service /etc/systemd/system/netdata.service && \
+ run systemctl daemon-reload && \
+ run systemctl enable netdata
+ else
+ run service netdata stop
+ fi
+
+ stop_all_netdata
+ run service netdata restart && started=1
+ fi
+
+ if [ ${started} -eq 0 ]
+ then
+ # check if we can use the system service
+ run service netdata stop
+ stop_all_netdata
+ run service netdata restart && started=1
+ if [ ${started} -eq 0 ]
+ then
+ run service netdata start && started=1
+ fi
+ fi
fi
-echo >&2
+if [ ${started} -eq 0 ]
+then
+ # still not started...
+
+ stop_all_netdata
+
+ echo >&2 "Starting netdata..."
+ run ${NETDATA_PREFIX}/usr/sbin/netdata -P ${NETDATA_RUN_DIR}/netdata.pid "${@}"
+ if [ $? -ne 0 ]
+ then
+ echo >&2
+ echo >&2 "SORRY! FAILED TO START NETDATA!"
+ exit 1
+ else
+ echo >&2 "OK. NetData Started!"
+ fi
+
+ echo >&2
+fi
# -----------------------------------------------------------------------------
# save a config file, if it is not already there
-------------------------------------------------------------------------------
Memory de-duplication instructions
- I see you have kernel memory de-duper (called Kernel Same-page Merging,
+ You have kernel memory de-duper (called Kernel Same-page Merging,
or KSM) available, but it is not currently enabled.
To enable it run:
sudo chown root "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
sudo chmod 4755 "${NETDATA_PREFIX}/usr/libexec/netdata/plugins.d/apps.plugin"
- These commands allow apps.plugin to run as root.
-
apps.plugin is performing a hard-coded function of data collection for all
running processes. It cannot be instructed from the netdata daemon to perform
any task, so it is pretty safe to do this.
fi
echo >&2 "Stopping a possibly running netdata..."
- killall netdata
+ for p in \$(pidof netdata); do kill \$p; done
sleep 2
deletedir() {
deletedir "${NETDATA_PREFIX}/var/log/netdata"
fi
+ if [ -f /etc/logrotate.d/netdata ]
+ then
+ echo "Deleting /etc/logrotate.d/netdata ..."
+ rm -i /etc/logrotate.d/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 passwd netdata > /dev/null
if [ $? -eq 0 ]
then
-------------------------------------------------------------------------------
+ INFO: Command line options changed. -pidfile, -nd and -ch are deprecated.
+ If you use custom startup scripts, please run netdata -h to see the
+ corresponding options and update your scripts.
Hit http://${access}:${NETDATA_PORT}/ from your browser.