crontab check and restart tomcat on rstudio

rstudio-server/defaults/main.yml

@@ -7,3 +7,7 @@ rstudio_download_url: 'https://download2.rstudio.org/{{ rstudio_file }}'
 rstudio_install_kill_script: True
 # cron job minutes
 rstudio_kill_script_frequency: "*/5"
+
+rstudio_install_tomcat_checkandstart_script: False
+rstudio_install_tomcat_checkandstart_frequency: "*/15"
+

rstudio-server/files/tomcat_checkandstart

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+ISTOMCATRUNNING=="$(ps -fu gcube | grep -v grep | grep -c java)"
+
+if (( $ISTOMCATRUNNING == 0 ))
+then
+  sleep 60
+  ISTOMCATRUNNING=="$(ps -fu gcube | grep -v grep | grep -c java)"
+fi
+
+if (( $ISTOMCATRUNNING == 0 ))
+then
+  /etc/init.d/tomcat-instance-9000 restart
+fi
+
+exit 0
+

rstudio-server/tasks/main.yml

@@ -43,6 +43,16 @@
       cron: name="Kill rogue jobs" job="/usr/local/bin/kill-rogue-jobs" user=root minute="{{ rstudio_kill_script_frequency }}"
       when: rstudio_install_kill_script
       tags: [ 'rstudio', 'rstudio_server', 'rstudio_kill_rogues' ]
+    
+    - name: Install a script that check and restart tomcat
+      copy: src=tomcat_checkandstart dest=/usr/local/bin/tomcat_checkandstart owner=root group=root mode=0755
+      when: rstudio_install_tomcat_checkandstart_script
+      tags: [ 'rstudio', 'rstudio_server', 'rstudio_tomcat_checkandstart' ]
+
+    - name: Install a cron job that check and restart tomcat
+      cron: name="Tomcat check and start" job="/usr/local/bin/tomcat_checkandstart" user=root minute="{{ rstudio_tomcat_checkandstart_frequency }}"
+      when: rstudio_install_tomcat_checkandstart_script
+      tags: [ 'rstudio', 'rstudio_server', 'rstudio_tomcat_checkandstart' ]
 
   when: rstudio_install_server
   tags: [ 'rstudio', 'rstudio_server' ]