software/ors-amarisoft: rotate the enb log before starting

software/ors-amarisoft/buildout.hash.cfg

@@ -88,7 +88,7 @@ md5sum = 52da9fe3a569199e35ad89ae1a44c30e
 
 [template-enb]
 _update_hash_filename_ = instance-enb.jinja2.cfg
-md5sum = 7bc8aab138bed0de6f48283e86853cf6
+md5sum = e1ad21f4fd7d7124466936901e8b2126
 
 [template-ors-enb]
 _update_hash_filename_ = instance-ors-enb.jinja2.cfg

software/ors-amarisoft/instance-enb.jinja2.cfg

@@ -85,12 +85,17 @@ log = ${:var}/log
 recipe = slapos.recipe.template
 output = ${directory:bin}/${:_buildout_section_name_}
 enb-log = ${directory:log}/enb-output.log
+enb-radio-log = ${directory:log}/enb.log
+enb-start-date = ${directory:run}/enb-start.date
 inline =
   #!/bin/sh
 {% if not slapparameter_dict.get("testing", False) %}
   sudo -n /opt/amarisoft/rm-tmp-lte;
   sudo -n /opt/amarisoft/init-sdr;
   sudo -n /opt/amarisoft/init-enb;
+  stat ${:enb-start-date} && mv ${:enb-radio-log} ${directory:log}/enb-$(cat ${:enb-start-date}).log
+  rm -f $(ls -1t ${directory:log}/enb-2* | tail -n+50)
+  date +"%Y-%m-%d-%T" > ${:enb-start-date}
   (echo && echo && date "+[%Y/%m/%d %T.%N %Z] Starting eNB software..." && echo) >> ${:enb-log};
   tail -c 1M ${:enb-log} > ${:enb-log}.tmp;
   mv ${:enb-log}.tmp ${:enb-log};