Merging upstream version 1.12.0.

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

11 files changed, 885 insertions, 528 deletions

diff --git a/contrib/Makefile.am b/contrib/Makefile.am
deleted file mode 100644
index 80d80d37..00000000
--- a/contrib/Makefile.am
+++ /dev/null
@@ -1,33 +0,0 @@
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-	debian/netdata.conf \
-	debian/source/format \
-	debian/control.wheezy \
-	debian/compat \
-	debian/netdata.install \
-	debian/netdata.lintian-overrides \
-	debian/rules \
-	debian/netdata.docs \
-	debian/netdata.default \
-	debian/control \
-	debian/netdata.postinst.in \
-	debian/netdata.service \
-	debian/changelog \
-	debian/netdata.postrm \
-	rhel/build-netdata-rpm.sh \
-	$(NULL)
-
-dist_noinst_SCRIPTS = \
-	debian/netdata.init \
-	$(NULL)
-
-debian/changelog:
-	echo "netdata ($(PACKAGE_VERSION)) UNRELEASED; urgency=medium" | \
-		tr '_' '~' > $@
-	echo "  * Latest release" >> $@
-	echo " -- Netdata Team <>  `date -R`" >> $@
diff --git a/contrib/Makefile.in b/contrib/Makefile.in
deleted file mode 100644
index 789a7bfd..00000000
--- a/contrib/Makefile.in
+++ /dev/null
@@ -1,491 +0,0 @@
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diff --git a/contrib/README.md b/contrib/README.md
index 60bcf3f2..c5ce873a 100644
--- a/contrib/README.md
+++ b/contrib/README.md
@@ -56,3 +56,5 @@ The recommended way to upgrade netdata packages built from this
 source is to remove the current package from your system, then
 install the new package. Upgrading on wheezy is known to not
 work cleanly; Jessie may behave as expected.
+
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fcontrib%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
diff --git a/contrib/debian/changelog b/contrib/debian/changelog
deleted file mode 100644
index ee5e82eb..00000000
--- a/contrib/debian/changelog
+++ /dev/null
@@ -1,3 +0,0 @@
-netdata (1.11.1~rolling) UNRELEASED; urgency=medium
-  * Latest release
- -- Netdata Team <>  Thu, 22 Nov 2018 20:33:40 +0000
diff --git a/contrib/rhel/build-netdata-rpm.sh b/contrib/rhel/build-netdata-rpm.sh
index 927318fb..df33d806 100755
--- a/contrib/rhel/build-netdata-rpm.sh
+++ b/contrib/rhel/build-netdata-rpm.sh
@@ -5,7 +5,7 @@
 
 cd "$(dirname "$0")/../../" || exit 1
 # shellcheck disable=SC1091
-source "installer/functions.sh" || exit 1
+source "packaging/installer/functions.sh" || exit 1
 
 set -e
 
diff --git a/contrib/sles11/README.md b/contrib/sles11/README.md
new file mode 100644
index 00000000..d052b945
--- /dev/null
+++ b/contrib/sles11/README.md
@@ -0,0 +1,11 @@
+# spec to build netdata RPM for sles 11
+
+Based on [opensuse rpm spec](https://build.opensuse.org/package/show/network/netdata) with some 
+changes and additions for sles 11 backport, namely:
+- init.d script 
+- run-time dependency on python ordereddict backport
+- patch for netdata python.d plugin to work with older python
+- crude hack of notification script to work with bash 3 (email and syslog only, one destination,
+  see comments at the top)
+
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fcontrib%2Fsles11%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
diff --git a/contrib/sles11/alarm-notify-basic.bash3.sh b/contrib/sles11/alarm-notify-basic.bash3.sh
new file mode 100755
index 00000000..df382923
--- /dev/null
+++ b/contrib/sles11/alarm-notify-basic.bash3.sh
@@ -0,0 +1,755 @@
+#!/usr/bin/env bash
+
+# basic version of netdata notifier to work with bash3
+# only mail and syslog destinations are supported, one recipient each
+# - email: DEFAULT_RECIPIENT_EMAIL, "root" by default
+# - syslog: "netdata" with local6 facility; disabled by default
+# - also: setting recipient to "disabled" or "silent" stops notifications for this alert
+
+# in /etc/netdata/health_alarm_notify.conf set something like
+# EMAIL_SENDER="netdata@gesdev-vm.m0.maxidom.ru"
+# SEND_EMAIL="YES"
+# DEFAULT_RECIPIENT_EMAIL="root"
+# SEND_SYSLOG="YES"
+# SYSLOG_FACILITY="local6"
+# DEFAULT_RECIPIENT_SYSLOG="netdata"
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2017 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+# Script to send alarm notifications for netdata
+#
+# Supported notification methods:
+#  - emails by @ktsaou
+#  - syslog messages by @Ferroin
+#  - all the rest is pruned :)
+
+# -----------------------------------------------------------------------------
+# testing notifications
+
+if [ \( "${1}" = "test" -o "${2}" = "test" \) -a "${#}" -le 2 ]
+then
+    if [ "${2}" = "test" ]
+    then
+        recipient="${1}"
+    else
+        recipient="${2}"
+    fi
+
+    [ -z "${recipient}" ] && recipient="sysadmin"
+
+    id=1
+    last="CLEAR"
+    test_res=0
+    for x in "WARNING" "CRITICAL"  "CLEAR"
+    do
+        echo >&2
+        echo >&2 "# SENDING TEST ${x} ALARM TO ROLE: ${recipient}"
+
+        "${0}" "${recipient}" "$(hostname)" 1 1 "${id}" "$(date +%s)" "test_alarm" "test.chart" "test.family" "${x}" "${last}" 100 90 "${0}" 1 $((0 + id)) "units" "this is a test alarm to verify notifications work" "new value" "old value"
+        if [ $? -ne 0 ]
+        then
+            echo >&2 "# FAILED"
+            test_res=1
+        else
+            echo >&2 "# OK"
+        fi
+
+        last="${x}"
+        id=$((id + 1))
+    done
+
+    exit $test_res
+fi
+
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+export LC_ALL=C
+
+# -----------------------------------------------------------------------------
+
+PROGRAM_NAME="$(basename "${0}")"
+
+logdate() {
+    date "+%Y-%m-%d %H:%M:%S"
+}
+
+log() {
+    local status="${1}"
+    shift
+
+    echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
+
+}
+
+warning() {
+    log WARNING "${@}"
+}
+
+error() {
+    log ERROR "${@}"
+}
+
+info() {
+    log INFO "${@}"
+}
+
+fatal() {
+    log FATAL "${@}"
+    exit 1
+}
+
+debug=${NETDATA_ALARM_NOTIFY_DEBUG-0}
+debug() {
+    [ "${debug}" = "1" ] && log DEBUG "${@}"
+}
+
+docurl() {
+    if [ -z "${curl}" ]
+        then
+        error "\${curl} is unset."
+        return 1
+    fi
+
+    if [ "${debug}" = "1" ]
+        then
+        echo >&2 "--- BEGIN curl command ---"
+        printf >&2 "%q " ${curl} "${@}"
+        echo >&2
+        echo >&2 "--- END curl command ---"
+
+        local out=$(mktemp /tmp/netdata-health-alarm-notify-XXXXXXXX)
+        local code=$(${curl} ${curl_options} --write-out %{http_code} --output "${out}" --silent --show-error "${@}")
+        local ret=$?
+        echo >&2 "--- BEGIN received response ---"
+        cat >&2 "${out}"
+        echo >&2
+        echo >&2 "--- END received response ---"
+        echo >&2 "RECEIVED HTTP RESPONSE CODE: ${code}"
+        rm "${out}"
+        echo "${code}"
+        return ${ret}
+    fi
+
+    ${curl} ${curl_options} --write-out %{http_code} --output /dev/null --silent --show-error "${@}"
+    return $?
+}
+
+# -----------------------------------------------------------------------------
+# this is to be overwritten by the config file
+
+custom_sender() {
+    info "not sending custom notification for ${status} of '${host}.${chart}.${name}'"
+}
+
+
+# -----------------------------------------------------------------------------
+
+# check for BASH v4+ (required for associative arrays)
+[ $(( ${BASH_VERSINFO[0]} )) -lt 3 ] && \
+    fatal "BASH version 3 or later is required (this is ${BASH_VERSION})."
+
+# -----------------------------------------------------------------------------
+# defaults to allow running this script by hand
+
+[ -z "${NETDATA_CONFIG_DIR}"   ] && NETDATA_CONFIG_DIR="$(dirname "${0}")/../../../../etc/netdata"
+[ -z "${NETDATA_CACHE_DIR}"    ] && NETDATA_CACHE_DIR="$(dirname "${0}")/../../../../var/cache/netdata"
+[ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
+
+# -----------------------------------------------------------------------------
+# parse command line parameters
+
+roles="${1}"               # the roles that should be notified for this event
+host="${2}"                # the host generated this event
+unique_id="${3}"           # the unique id of this event
+alarm_id="${4}"            # the unique id of the alarm that generated this event
+event_id="${5}"            # the incremental id of the event, for this alarm id
+when="${6}"                # the timestamp this event occurred
+name="${7}"                # the name of the alarm, as given in netdata health.d entries
+chart="${8}"               # the name of the chart (type.id)
+family="${9}"              # the family of the chart
+status="${10}"             # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+old_status="${11}"         # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+value="${12}"              # the current value of the alarm
+old_value="${13}"          # the previous value of the alarm
+src="${14}"                # the line number and file the alarm has been configured
+duration="${15}"           # the duration in seconds of the previous alarm state
+non_clear_duration="${16}" # the total duration in seconds this is/was non-clear
+units="${17}"              # the units of the value
+info="${18}"               # a short description of the alarm
+value_string="${19}"       # friendly value (with units)
+old_value_string="${20}"   # friendly old value (with units)
+
+# -----------------------------------------------------------------------------
+# find a suitable hostname to use, if netdata did not supply a hostname
+
+this_host=$(hostname -s 2>/dev/null)
+[ -z "${host}" ] && host="${this_host}"
+
+# -----------------------------------------------------------------------------
+# screen statuses we don't need to send a notification
+
+# don't do anything if this is not WARNING, CRITICAL or CLEAR
+if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a "${status}" != "CLEAR" ]
+then
+    info "not sending notification for ${status} of '${host}.${chart}.${name}'"
+    exit 1
+fi
+
+# don't do anything if this is CLEAR, but it was not WARNING or CRITICAL
+if [ "${old_status}" != "WARNING" -a "${old_status}" != "CRITICAL" -a "${status}" = "CLEAR" ]
+then
+    info "not sending notification for ${status} of '${host}.${chart}.${name}' (last status was ${old_status})"
+    exit 1
+fi
+
+# -----------------------------------------------------------------------------
+# load configuration
+
+# By default fetch images from the global public registry.
+# This is required by default, since all notification methods need to download
+# images via the Internet, and private registries might not be reachable.
+# This can be overwritten at the configuration file.
+images_base_url="https://registry.my-netdata.io"
+
+# curl options to use
+curl_options=
+
+# needed commands
+# if empty they will be searched in the system path
+curl=
+sendmail=
+
+# enable / disable features
+SEND_EMAIL="YES"
+SEND_SYSLOG="YES"
+
+# syslog configs
+SYSLOG_FACILITY="local6"
+
+# email configs
+EMAIL_SENDER=
+DEFAULT_RECIPIENT_EMAIL="root"
+EMAIL_CHARSET=$(locale charmap 2>/dev/null)
+
+# load the user configuration
+# this will overwrite the variables above
+if [ -f "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf" ]
+    then
+    source "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf"
+else
+    error "Cannot find file ${NETDATA_CONFIG_DIR}/health_alarm_notify.conf. Using internal defaults."
+fi
+
+# If we didn't autodetect the character set for e-mail and it wasn't
+# set by the user, we need to set it to a reasonable default.  UTF-8
+# should be correct for almost all modern UNIX systems.
+if [ -z ${EMAIL_CHARSET} ]
+    then
+    EMAIL_CHARSET="UTF-8"
+fi
+
+# disable if role = silent or disabled
+if [[ "${role}" = "silent" || "${role}" = "disabled" ]]; then
+    SEND_EMAIL="NO"
+    SEND_SYSLOG="NO"
+fi
+
+if [[ "SEND_EMAIL" != "NO" ]]; then
+    to_email=$DEFAULT_RECIPIENT_EMAIL
+else
+    to_email=''
+fi
+
+if [[ "SEND_SYSLOG" != "NO" ]]; then
+    to_syslog=$DEFAULT_RECIPIENT_SYSLOG
+else
+    to_syslog=''
+fi
+
+# if we need sendmail, check for the sendmail command
+if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
+    then
+    sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
+    if [ -z "${sendmail}" ]
+        then
+        debug "Cannot find sendmail command in the system path. Disabling email notifications."
+        SEND_EMAIL="NO"
+    fi
+fi
+
+# if we need logger, check for the logger command
+if [ "${SEND_SYSLOG}" = "YES" -a -z "${logger}" ]
+    then
+    logger="$(which logger 2>/dev/null || command -v logger 2>/dev/null)"
+    if [ -z "${logger}" ]
+        then
+        debug "Cannot find logger command in the system path. Disabling syslog notifications."
+        SEND_SYSLOG="NO"
+    fi
+fi
+
+# check that we have at least a method enabled
+if [   "${SEND_EMAIL}"          != "YES" \
+    -a "${SEND_SYSLOG}"         != "YES" \
+    ]
+    then
+    fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'."
+fi
+
+# -----------------------------------------------------------------------------
+# get the date the alarm happened
+
+date=$(date --date=@${when} "${DATE_FORMAT}" 2>/dev/null)
+[ -z "${date}" ] && date=$(date "${DATE_FORMAT}" 2>/dev/null)
+[ -z "${date}" ] && date=$(date --date=@${when} 2>/dev/null)
+[ -z "${date}" ] && date=$(date 2>/dev/null)
+
+# -----------------------------------------------------------------------------
+# function to URL encode a string
+
+urlencode() {
+    local string="${1}" strlen encoded pos c o
+
+    strlen=${#string}
+    for (( pos=0 ; pos<strlen ; pos++ ))
+    do
+        c=${string:${pos}:1}
+        case "${c}" in
+            [-_.~a-zA-Z0-9])
+                o="${c}"
+                ;;
+
+            *)
+                printf -v o '%%%02x' "'${c}"
+                ;;
+        esac
+        encoded+="${o}"
+    done
+
+    REPLY="${encoded}"
+    echo "${REPLY}"
+}
+
+# -----------------------------------------------------------------------------
+# function to convert a duration in seconds, to a human readable duration
+# using DAYS, MINUTES, SECONDS
+
+duration4human() {
+    local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret
+    d=$(( s / 86400 ))
+    s=$(( s - (d * 86400) ))
+    h=$(( s / 3600 ))
+    s=$(( s - (h * 3600) ))
+    m=$(( s / 60 ))
+    s=$(( s - (m * 60) ))
+
+    if [ ${d} -gt 0 ]
+    then
+        [ ${m} -ge 30 ] && h=$(( h + 1 ))
+        [ ${d} -gt 1 ] && ds="days"
+        [ ${h} -gt 1 ] && hs="hours"
+        if [ ${h} -gt 0 ]
+        then
+            ret="${d} ${ds} and ${h} ${hs}"
+        else
+            ret="${d} ${ds}"
+        fi
+    elif [ ${h} -gt 0 ]
+    then
+        [ ${s} -ge 30 ] && m=$(( m + 1 ))
+        [ ${h} -gt 1 ] && hs="hours"
+        [ ${m} -gt 1 ] && ms="minutes"
+        if [ ${m} -gt 0 ]
+        then
+            ret="${h} ${hs} and ${m} ${ms}"
+        else
+            ret="${h} ${hs}"
+        fi
+    elif [ ${m} -gt 0 ]
+    then
+        [ ${m} -gt 1 ] && ms="minutes"
+        [ ${s} -gt 1 ] && ss="seconds"
+        if [ ${s} -gt 0 ]
+        then
+            ret="${m} ${ms} and ${s} ${ss}"
+        else
+            ret="${m} ${ms}"
+        fi
+    else
+        [ ${s} -gt 1 ] && ss="seconds"
+        ret="${s} ${ss}"
+    fi
+
+    REPLY="${ret}"
+    echo "${REPLY}"
+}
+
+# -----------------------------------------------------------------------------
+# email sender
+
+send_email() {
+    local ret= opts=
+    if [[ "${SEND_EMAIL}" == "YES" ]]
+        then
+
+        if [[ ! -z "${EMAIL_SENDER}" ]]
+            then
+            if [[ "${EMAIL_SENDER}" =~ \".*\"\ \<.*\> ]]
+                then
+                # the name includes single quotes
+                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F $(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
+            elif [[ "${EMAIL_SENDER}" =~ \'.*\'\ \<.*\> ]]
+                then
+                # the name includes double quotes
+                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F $(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
+            elif [[ "${EMAIL_SENDER}" =~ .*\ \<.*\> ]]
+                then
+                # the name does not have any quotes
+                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F '$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)'"
+            else
+                # no name at all
+                opts=" -f ${EMAIL_SENDER}"
+            fi
+        fi
+
+        if [[ "${debug}" = "1" ]]
+            then
+            echo >&2 "--- BEGIN sendmail command ---"
+            printf >&2 "%q " "${sendmail}" -t ${opts}
+            echo >&2
+            echo >&2 "--- END sendmail command ---"
+        fi
+
+        "${sendmail}" -t ${opts}
+        ret=$?
+
+        if [ ${ret} -eq 0 ]
+        then
+            info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'"
+            return 0
+        else
+            error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}."
+            return 1
+        fi
+    fi
+
+    return 1
+}
+
+# -----------------------------------------------------------------------------
+# syslog sender
+
+send_syslog() {
+    local facility=${SYSLOG_FACILITY:-"local6"} level='info' targets="${1}"
+    local priority='' message='' host='' port='' prefix=''
+    local temp1='' temp2=''
+
+    [[ "${SEND_SYSLOG}" == "YES" ]] || return 1
+
+    if [[ "${status}" == "CRITICAL" ]] ; then
+        level='crit'
+    elif [[ "${status}" == "WARNING" ]] ; then
+        level='warning'
+    fi
+
+    for target in ${targets} ; do
+        priority="${facility}.${level}"
+        message=''
+        host=''
+        port=''
+        prefix=''
+        temp1=''
+        temp2=''
+
+        prefix=$(echo ${target} | cut -d '/' -f 2)
+        temp1=$(echo ${target} | cut -d '/' -f 1)
+
+        if [[ ${prefix} != ${temp1} ]] ; then
+            if (echo ${temp1} | grep -q '@' ) ; then
+                temp2=$(echo ${temp1} | cut -d '@' -f 1)
+                host=$(echo ${temp1} | cut -d '@' -f 2)
+
+                if [ ${temp2} != ${host} ] ; then
+                    priority=${temp2}
+                fi
+
+                port=$(echo ${host} | rev | cut -d ':' -f 1 | rev)
+
+                if ( echo ${host} | grep -E -q '\[.*\]' ) ; then
+                    if ( echo ${port} | grep -q ']' ) ; then
+                        port=''
+                    else
+                        host=$(echo ${host} | rev | cut -d ':' -f 2- | rev)
+                    fi
+                else
+                    if [ ${port} = ${host} ] ; then
+                        port=''
+                    else
+                        host=$(echo ${host} | cut -d ':' -f 1)
+                    fi
+                fi
+            else
+                priority=${temp1}
+            fi
+        fi
+
+        # message="${prefix} ${status} on ${host} at ${date}: ${chart} ${value_string}"
+
+        message="${prefix} ${status}: ${chart} ${value_string}"
+
+        if [ ${host} ] ; then
+            logger_options="${logger_options} -n ${host}"
+            if [ ${port} ] ; then
+                logger_options="${logger_options} -P ${port}"
+            fi
+        fi
+
+        ${logger} -p ${priority} ${logger_options} "${message}"
+    done
+
+    return $?
+}
+
+
+# -----------------------------------------------------------------------------
+# prepare the content of the notification
+
+# the url to send the user on click
+urlencode "${host}" >/dev/null; url_host="${REPLY}"
+urlencode "${chart}" >/dev/null; url_chart="${REPLY}"
+urlencode "${family}" >/dev/null; url_family="${REPLY}"
+urlencode "${name}" >/dev/null; url_name="${REPLY}"
+goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=${url_name}&alarm_unique_id=${unique_id}&alarm_id=${alarm_id}&alarm_event_id=${event_id}"
+
+# the severity of the alarm
+severity="${status}"
+
+# the time the alarm was raised
+duration4human ${duration} >/dev/null; duration_txt="${REPLY}"
+duration4human ${non_clear_duration} >/dev/null; non_clear_duration_txt="${REPLY}"
+raised_for="(was ${old_status} for ${duration_txt})"
+
+# the key status message
+status_message="status unknown"
+
+# the color of the alarm
+color="grey"
+
+# the alarm value
+alarm="${name//_/ } = ${value_string}"
+
+# the image of the alarm
+image="${images_base_url}/images/seo-performance-128.png"
+
+# prepare the title based on status
+case "${status}" in
+	CRITICAL)
+        image="${images_base_url}/images/alert-128-red.png"
+        status_message="is critical"
+        color="#ca414b"
+        ;;
+
+    WARNING)
+        image="${images_base_url}/images/alert-128-orange.png"
+        status_message="needs attention"
+        color="#ffc107"
+		;;
+
+	CLEAR)
+        image="${images_base_url}/images/check-mark-2-128-green.png"
+    	status_message="recovered"
+		color="#77ca6d"
+		;;
+esac
+
+if [ "${status}" = "CLEAR" ]
+then
+    severity="Recovered from ${old_status}"
+    if [ ${non_clear_duration} -gt ${duration} ]
+    then
+        raised_for="(alarm was raised for ${non_clear_duration_txt})"
+    fi
+
+    # don't show the value when the status is CLEAR
+    # for certain alarms, this value might not have any meaning
+    alarm="${name//_/ } ${raised_for}"
+
+elif [ "${old_status}" = "WARNING" -a "${status}" = "CRITICAL" ]
+then
+    severity="Escalated to ${status}"
+    if [ ${non_clear_duration} -gt ${duration} ]
+    then
+        raised_for="(alarm is raised for ${non_clear_duration_txt})"
+    fi
+
+elif [ "${old_status}" = "CRITICAL" -a "${status}" = "WARNING" ]
+then
+    severity="Demoted to ${status}"
+    if [ ${non_clear_duration} -gt ${duration} ]
+    then
+        raised_for="(alarm is raised for ${non_clear_duration_txt})"
+    fi
+
+else
+    raised_for=
+fi
+
+# prepare HTML versions of elements
+info_html=
+[ ! -z "${info}" ] && info_html=" <small><br/>${info}</small>"
+
+raised_for_html=
+[ ! -z "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>"
+
+
+# -----------------------------------------------------------------------------
+# send the syslog message
+
+send_syslog ${to_syslog}
+
+SENT_SYSLOG=$?
+
+# -----------------------------------------------------------------------------
+# send the email
+
+send_email <<EOF
+To: ${to_email}
+Subject: ${host} ${status_message} - ${name//_/ } - ${chart}
+MIME-Version: 1.0
+Content-Type: multipart/alternative; boundary="multipart-boundary"
+
+This is a MIME-encoded multipart message
+
+--multipart-boundary
+Content-Type: text/plain; encoding=${EMAIL_CHARSET}
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+${host} ${status_message}
+
+${alarm} ${info}
+${raised_for}
+
+Chart   : ${chart}
+Family  : ${family}
+Severity: ${severity}
+URL     : ${goto_url}
+Source  : ${src}
+Date    : ${date}
+Value   : ${value_string}
+Notification generated on ${this_host}
+
+--multipart-boundary
+Content-Type: text/html; encoding=${EMAIL_CHARSET}
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;">
+<body style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;">
+<table>
+    <tbody>
+    <tr>
+        <td style="vertical-align: top;" valign="top"></td>
+        <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top">
+            <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;">
+                <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;">
+                    <tbody>
+                    <tr>
+                        <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;">
+                            <div style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td bgcolor="${color}" style="font-size: 16px; vertical-align: top; font-weight: 400; text-align: center; margin: 0; padding: 10px; color: #ffffff; background: ${color} !important; border: 1px solid ${color}; border-top-color: ${color};" align="center" valign="top">
+                            <h1 style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="vertical-align: top;" valign="top">
+                            <div style="margin: 0; padding: 20px; max-width: 700px;">
+                                <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
+                                    <tbody>
+                                    <tr>
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top">
+                                            <span>${chart}</span>
+                                            <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+                                            <span>${value_string}</span>
+                                            <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Value</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+                                            <span><b>${alarm}</b>${info_html}</span>
+                                            <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+                                            <span>${family}</span>
+                                            <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+                                            <span>${severity}</span>
+                                            <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"><span>${date}</span>
+                                            <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;">
+                                            <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a>
+                                        </td>
+                                    </tr>
+                                    <tr style="text-align: center; margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code><br/>(alarms are configurable, edit this file to adapt the alarm to your needs)
+                                        </td>
+                                    </tr>
+                                    <tr style="text-align: center; margin: 0; padding: 0;">
+                                        <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; vertical-align: top; margin:0; padding: 20px 0 0 0; color: #666666; border-top: 1px solid #f0f0f0;" align="center" valign="bottom">Sent by
+                                            <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance and health monitoring, on <code>${this_host}</code>.
+                                        </td>
+                                    </tr>
+                                    </tbody>
+                                </table>
+                            </div>
+                        </td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
+--multipart-boundary--
+EOF
+
+SENT_EMAIL=$?
+
+# -----------------------------------------------------------------------------
+# let netdata know
+
+if [   ${SENT_EMAIL}        -eq 0 \
+    -o ${SENT_SYSLOG}       -eq 0 \
+    ]
+    then
+    # we did send something
+    exit 0
+fi
+
+# we did not send anything
+exit 1
diff --git a/contrib/sles11/netdata-alarms-bash3.patch b/contrib/sles11/netdata-alarms-bash3.patch
new file mode 100644
index 00000000..142659ba
--- /dev/null
+++ b/contrib/sles11/netdata-alarms-bash3.patch
@@ -0,0 +1,10 @@
+--- system/netdata.conf.orig    2018-05-10 19:44:49.000000000 +0300
++++ system/netdata.conf 2018-05-10 19:45:14.000000000 +0300
+@@ -22,3 +22,7 @@
+ [web]
+     web files owner = root
+     web files group = netdata
++
++[health]
++    # script for sles 11, mail notifications only
++    script to execute on alarm = /usr/lib64/netdata/plugins.d/alarm-notify.bash3.sh
diff --git a/contrib/sles11/netdata-automake-no-dist-xz.patch b/contrib/sles11/netdata-automake-no-dist-xz.patch
new file mode 100644
index 00000000..d373efac
--- /dev/null
+++ b/contrib/sles11/netdata-automake-no-dist-xz.patch
@@ -0,0 +1,13 @@
+diff -u netdata-1.6.0.orig/Makefile.am netdata-1.6.0/Makefile.am
+--- netdata-1.6.0.orig/Makefile.am  2017-03-20 19:32:47.000000000 +0100
++++ netdata-1.6.0/Makefile.am 2017-06-25 23:46:14.403426661 +0200
+@@ -1,7 +1,7 @@
+ #
+ # Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
+ #
+-AUTOMAKE_OPTIONS=foreign dist-bzip2 dist-xz 1.10
++AUTOMAKE_OPTIONS=foreign dist-bzip2 1.10
+ ACLOCAL_AMFLAGS = -I m4
+ 
+ MAINTAINERCLEANFILES= \
+
diff --git a/contrib/sles11/netdata-python-plugin-sles11.patch b/contrib/sles11/netdata-python-plugin-sles11.patch
new file mode 100644
index 00000000..d2e8f6b6
--- /dev/null
+++ b/contrib/sles11/netdata-python-plugin-sles11.patch
@@ -0,0 +1,28 @@
+diff -u netdata-1.10.0.orig/plugins.d/python.d.plugin netdata-1.10.0/plugins.d/python.d.plugin
+--- netdata-1.10.0.orig/plugins.d/python.d.plugin	2018-05-08 20:01:40.000000000 +0300
++++ netdata-1.10.0/plugins.d/python.d.plugin	2018-05-08 20:06:57.000000000 +0300
+@@ -15,10 +15,8 @@
+ from sys import version_info, argv
+ from time import sleep
+ 
+-try:
+-    from time import monotonic as time
+-except ImportError:
+-    from time import time
++#   from time import monotonic as time
++from time import time
+ 
+ PY_VERSION = version_info[:2]
+ PLUGIN_CONFIG_DIR = os.getenv('NETDATA_CONFIG_DIR', os.path.dirname(__file__) + '/../../../../etc/netdata') + '/'
+@@ -32,10 +30,7 @@
+ from bases.loggers import PythonDLogger
+ from bases.collection import setdefault_values, run_and_exit
+ 
+-try:
+-    from collections import OrderedDict
+-except ImportError:
+-    from third_party.ordereddict import OrderedDict
++from ordereddict import OrderedDict
+ 
+ BASE_CONFIG = {'update_every': os.getenv('NETDATA_UPDATE_EVERY', 1),
+                'retries': 60,
diff --git a/contrib/sles11/netdata.init b/contrib/sles11/netdata.init
new file mode 100755
index 00000000..3081c427
--- /dev/null
+++ b/contrib/sles11/netdata.init
@@ -0,0 +1,65 @@
+#!/bin/bash
+#
+### BEGIN INIT INFO
+# Provides:          netdata
+# Required-Start:    $all
+# Should-Start:      
+# Required-Stop:     $all
+# Should-Stop:       
+# Default-Start:     2 3 5
+# Default-Stop:
+# Short-Description: Start and stop the netdata real-time monitoring server daemon
+# Description:       Controls the main netdata monitoring server daemon "netdata".
+### END INIT INFO
+
+DAEMON="netdata"
+DAEMON_BIN="/usr/sbin/${DAEMON}"
+DAEMON_PID="/var/run/${DAEMON}.pid"
+DAEMON_ARGS=""
+
+. /etc/rc.status
+rc_reset
+
+if [ ! -x $DAEMON_BIN ]; then
+    echo -n >&2 "${DAEMON} binary is not installed. "
+    rc_status -s
+    exit 5
+fi
+
+case "$1" in
+  start)
+    echo -n "Starting $DAEMON"
+    /sbin/startproc $DAEMON_BIN $DAEMON_ARGS 
+    rc_status -v 
+    ;;
+
+  stop)
+    echo -n "Stopping $DAEMON"
+    /sbin/killproc $DAEMON_BIN
+    rc_status -v
+    ;;
+
+  reload)
+    # netdata: HUP reopen log files, USR1 save DB, USR2 reload health config
+    echo -n "Reloading $DAEMON config"
+    /sbin/killproc -USR2 $DAEMON_BIN
+    ;;
+
+  restart)
+    $0 stop
+    $0 start
+    ;;
+
+  status)
+    echo -n "Checking $DAEMON"
+    /sbin/checkproc $DAEMON_BIN
+    rc_status -v
+    ;;
+
+  *)
+    echo "Usage: $0 {start|stop|status|reload|restart}"
+    exit 1
+    ;;
+
+esac
+rc_exit