{"id":1710,"date":"2024-03-11T03:54:31","date_gmt":"2024-03-11T06:54:31","guid":{"rendered":"https:\/\/blog.abratel.com.br\/?p=1710"},"modified":"2024-12-18T18:39:52","modified_gmt":"2024-12-18T21:39:52","slug":"asterisk-server-monitoring-trunk-sending-email-when-goes-offline","status":"publish","type":"post","link":"https:\/\/blog.abratel.com.br\/?p=1710","title":{"rendered":"Asterisk Server Monitoring Trunk (Sending email when goes offline)"},"content":{"rendered":"

Author: Ulisses Feres<\/p>\n

\n#!\/bin\/bash\n\n# Function to send an email using sendmail\nsend_email() {\nlocal subject="$1"\nlocal body="$2"\nlocal recipient="$3"\nlocal sender="$4"\n\n(\necho "Subject: $subject"\necho "From: $sender"\necho -e "\\n$body"\n) | \/usr\/sbin\/sendmail "$recipient"\n}\n\n# Asterisk command to get SIP peer status\npeer_status=$(asterisk -x 'sip show peer Abratel-ISP1' | grep -i status | cut -d' ' -f11)\n\n# Define previous status and email recipients\nprevious_status=$(cat \/tmp\/peer_status_previous_status)\nemail_recipient=("umemail@gmail.com" "outroemail@gmail.com")\nemail_sender="PBX &amp;amp;amp;lt;ipbx@email.com.br&amp;amp;amp;gt;"\nalert_sent_flag="\/tmp\/peer_status_alert_sent"\n# debug_log="\/tmp\/peer_status_debug.log"&amp;amp;amp;lt;\/ipbx@email.com.br&amp;amp;amp;gt;\n\n# Print current and previous status for debugging\n# echo "Current Status: $peer_status"\n# echo "Previous Status: $previous_status"\n\n# Log current status to debug file\n# echo "Current Status: $peer_status" &amp;amp;amp;amp;gt;&amp;amp;amp;amp;gt; "$debug_log"\n\n# Check if the status is not "OK"\nif [ "$peer_status" != "OK" ]; then\nemail_subject="Tronco Status Alert"\nemail_body="O tronco com todas as linhas esta atualmente offline."\nadditional_info="Status: $peer_status"\n\n# Check if the status has changed from the previous check or alert not sent\nif [ "$peer_status" != "$previous_status" ] &amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp; [ ! -e "$alert_sent_flag" ]; then\n# Send email only once when the status changes\nsend_email "$email_subject" "$email_body\\n$additional_info" "$email_recipient" "$email_sender"\n\n# Create the flag file to indicate that an alert has been sent\ntouch "$alert_sent_flag"\n\n# echo "Email sent: $email_subject"\n# else\n# echo "Email not sent: Status unchanged or alert already sent."\nfi\nelse\n# Check if the status has changed from the previous check\nif [ "$peer_status" != "$previous_status" ]; then\n# Send notification when the status changes back to "OK"\nsend_email "$email_subject" "The SIP peer Abratel-ISP1 is now back online." "$email_recipient" "$email_sender"\n\n# Remove the flag file to reset the alert status\nrm -f "$alert_sent_flag"\n\n# echo "Notification sent: SIP peer is back online."\n# else\n# echo "No status change detected."\nfi\nfi\n\n# Update the previous status\necho "$peer_status" &amp;amp;amp;amp;gt; \/tmp\/peer_status_previous_status\n<\/pre>\n
Execute Permission:<\/p>\n
\nchmod +x \/etc\/asterisk\/script_checa_trunks\n<\/pre>\n
Creating a crontab for it:<\/p>\n
\n*\/10 * * * * root \/etc\/asterisk\/script_checa_trunks\n<\/pre>\n
+++++++++++++++++++++++++++++++++++++++++++++++++<\/p>\n
Simple one to check all register status and alert when change to something different than Register.<\/p>\n
\/etc\/asterisk\/script_checa_trunks<\/p>\n
#!\/bin\/bash<\/p>\n
\nemail="email1@gmail.com, email2@gmail.com\n\/usr\/sbin\/asterisk -rx 'sip show registry' | grep "No Authentication" &amp;amp;amp;gt; \/tmp\/allExtensions.txt\n\/usr\/sbin\/asterisk -rx 'sip show registry' | grep "Request Sent" &amp;amp;amp;gt;&amp;amp;amp;gt; \/tmp\/allExtensions.txt\nofflineExtensions=$(cat \/tmp\/allExtensions.txt)\n\ncount=$(cat \/tmp\/allExtensions.txt | wc -l)\nif [ $count -gt 0 ]; then\n(\necho -e "Subject: Atencao para Troncos Desconectados\\nFrom: PBX Abratel &amp;amp;lt;ipbx@abratel.com.br&amp;amp;gt;"\nprintf 'Troncos desconectados: \\n''\\n'"${offlineExtensions}"\n) | \/usr\/sbin\/sendmail ${email}\nfi\n<\/pre>\n
FOR PJSIP Script:<\/p>\n
\nFirst create a file:\nroot@:\/etc\/asterisk#  touch \/tmp\/peer_status_previous_status\n\nScript:\nroot@:\/etc\/asterisk#  cat \/etc\/asterisk\/check_pjsip.sh\n#!\/bin\/bash\n\n# Function to send an email using sendmail\nsend_email() {\nlocal subject="$1"\nlocal body="$2"\nlocal recipient="$3"\nlocal sender="$4"\n\n(\necho "Subject: $subject"\necho "From: $sender"\necho -e "\\n$body"\n) | \/usr\/sbin\/sendmail "$recipient"\n}\n\n# Asterisk command to get SIP peer status\npeer_status=$(asterisk -x 'pjsip show registrations' | tail -n +5 | head -n -3 | awk '{print $3}')\n\n# Define previous status and email recipients\nprevious_status=$(cat \/tmp\/peer_status_previous_status)\nemail_recipient=("uferes@scilexholding.com")\nemail_sender="PBX &amp;lt;pbx@scilexholding.com.br&amp;gt;"\nalert_sent_flag="\/tmp\/peer_status_alert_sent"\n# debug_log="\/tmp\/peer_status_debug.log"&amp;lt;\/pbx@scilexholding.com.br&amp;gt;\n\n# Print current and previous status for debugging\n# echo "Current Status: $peer_status"\n# echo "Previous Status: $previous_status"\n\n# Log current status to debug file\n# echo "Current Status: $peer_status" &amp;amp;gt;&amp;amp;gt; "$debug_log"\n\n# Check if the status is not "OK"\nif [ "$peer_status" != "Registered" ]; then\nemail_subject="Trunk Status Alert Offline"\nemail_body="The SIP.UP trunk is currently offline."\nadditional_info="Status: $peer_status"\n\n# Check if the status has changed from the previous check or alert not sent\nif [ "$peer_status" != "$previous_status" ] &amp;amp;amp;&amp;amp;amp; [ ! -e "$alert_sent_flag" ]; then\n# Send email only once when the status changes\nsend_email "$email_subject" "$email_body\\n$additional_info" "$email_recipient" "$email_sender"\n#trying to reload the pjsip to get this back\nasterisk -x 'module reload res_pjsip.so'\n# Create the flag file to indicate that an alert has been sent\ntouch "$alert_sent_flag"\n\n# echo "Email sent: $email_subject"\n# else\n# echo "Email not sent: Status unchanged or alert already sent."\nfi\nelse\n# Check if the status has changed from the previous check\nemail_subject="Trunk Status Alert - OnLine"\nemail_body="The SIP.UP trunk is currently online."\nadditional_info="Status: $peer_status"\n\nif [ "$peer_status" != "$previous_status" ]; then\n# Send notification when the status changes back to "OK"\nsend_email "$email_subject" "$email_body\\n$additional_info" "$email_recipient" "$email_sender"\n\n# Remove the flag file to reset the alert status\nrm -f "$alert_sent_flag"\n\n# echo "Notification sent: SIP peer is back online."\n# else\n# echo "No status change detected."\nfi\nfi\n\n# Update the previous status\necho "$peer_status" &amp;amp;gt; \/tmp\/peer_status_previous_status\n<\/pre>\n
Remember to create a cron task, on this case, every 10 min:<\/p>\n
\nroot@:\/etc\/asterisk# vim \/etc\/crontab\n*\/10 * * * * root \/etc\/asterisk\/check_pjsip.sh\n<\/pre>\n
Check the image since most of the time the paste script breaks.<\/p>\n
==================================================================<\/p>\n
Another script:<\/p>\n
\n#!\/bin\/bash\n\nsend_email() {\nlocal subject="$1"\nlocal body="$2"\nlocal recipient="$3"\nlocal sender="$4"\n\n(\necho "Subject: $subject"\necho "From: $sender"\necho -e "\\n$body"\n) | \/usr\/sbin\/sendmail "$recipient"\n}\n\npeer_status=$(asterisk -x 'sip show peer Abratel-ISP1' | grep -i status | cut -d' ' -f11)\n\nprevious_status=$(cat \/tmp\/peer_status_previous_status_giga)\nemail_recipient=("sas@asas.com","sasa@gmail.com","sasas@gmail.com")\nemail_sender="Abratel PBX <ipbx@server.com.br>"\nalert_sent_flag="\/tmp\/peer_status_alert_sent_giga"<\/ipbx@server.com.br>\n\nif [ "$peer_status" != "OK" ]; then\nemail_subject="Tronco Status Alert! Interconexao Giga++ Muriae!"\nemail_body="balbalblabla"\nadditional_info="Status do tronco: $peer_status"\n\nif [ "$peer_status" != "$previous_status" ] &amp;&amp; [ ! -e "$alert_sent_flag" ]; then\nsend_email "$email_subject" "$email_body\\n$additional_info" "$email_recipient" "$email_sender"\nasterisk -rx "sip reload"\ntouch "$alert_sent_flag"\nfi\nelse\nif [ "$peer_status" != "$previous_status" ]; then\nsend_email "Tronco restabelecido (Interconexao Muriae Giga++" "O tronco InterconexaoMuriae esta novamente online." "$email_recipient" "$email_sender"\nrm -f "$alert_sent_flag"\nfi\nfi\n\necho "$peer_status" &gt; \/tmp\/peer_status_previous_status_giga\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Author: Ulisses Feres Execute Permission: Creating a crontab for it: +++++++++++++++++++++++++++++++++++++++++++++++++ Simple one to check all register status and alert when change to something different than Register. \/etc\/asterisk\/script_checa_trunks #!\/bin\/bash FOR PJSIP Script: Remember to create a cron task, on this case, every 10 min: Check…<\/p>\n","protected":false},"author":1,"featured_media":1718,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/1710"}],"collection":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1710"}],"version-history":[{"count":17,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/1710\/revisions"}],"predecessor-version":[{"id":1761,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/1710\/revisions\/1761"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/media\/1718"}],"wp:attachment":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}