#!/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