Add support for lastaction

blacklabelops#27

README.md

@@ -371,7 +371,7 @@ $ docker run -d \
 ## Custom Script execution
 
 Sometimes it is necessary to signal the process in order to start logrotation or stop logrotation. You
-can do this with the environment variables `LOGROTATE_PREROTATE_COMMAND` and `LOGROTATE_POSTROTATE_COMMAND`.
+can do this with the environment variables `LOGROTATE_PREROTATE_COMMAND` and , `LOGROTATE_POSTROTATE_COMMAND` and `LOGROTATE_LASTACTION_COMMAND`.
 
 Example:
 
@@ -382,6 +382,7 @@ $ docker run -d \
   -e "LOGS_DIRECTORIES=/var/lib/docker/containers /var/log/docker" \
   -e "LOGROTATE_PREROTATE_COMMAND=/usr/bin/yourscript.sh" \
   -e "LOGROTATE_POSTROTATE_COMMAND=/usr/bin/killall -HUP httpd" \
+  -e "LOGROTATE_LASTACTION_COMMAND=/usr/bin/lastscript.sh" \
   blacklabelops/logrotate
 ~~~~
 

logrotate.sh

@@ -104,6 +104,8 @@ logrotate_prerotate=${LOGROTATE_PREROTATE_COMMAND:-""}
 
 logrotate_postrotate=${LOGROTATE_POSTROTATE_COMMAND:-""}
 
+logrotate_lastaction=${LOGROTATE_LASTACTION_COMMAND:-""}
+
 logrotate_dateformat=${LOGROTATE_DATEFORMAT:-""}
 
 resolveSysloggerCommand

logrotateConf.sh

@@ -17,6 +17,7 @@ function createLogrotateConfigurationEntry() {
   local conf_maxage="${12}"
   local conf_prerotate="${13}"
   local conf_postrotate="${14}"
+  local conf_lastaction="${15}"
   local new_log=
   new_log=${file}" {"
   if [ "$file_user" != "UNKNOWN" ] && [ "$file_owner" != "UNKNOWN" ]; then
@@ -58,6 +59,11 @@ function createLogrotateConfigurationEntry() {
     new_log=${new_log}"\n\t${conf_postrotate}"
     new_log=${new_log}"\n  endscript"
   fi
+  if [ -n "${conf_lastaction}" ]; then
+    new_log=${new_log}"\n  lastaction"
+    new_log=${new_log}"\n\t${conf_lastaction}"
+    new_log=${new_log}"\n  endscript"
+  fi
   new_log=${new_log}"\n}"
   echo -e $new_log
 }

logrotateCreateConf.sh

@@ -6,7 +6,7 @@ function handleSingleFile() {
   local singleFile="$1"
   local file_owner_user=$(stat -c %U ${singleFile})
   local file_owner_group=$(stat -c %G ${singleFile})
-  local new_logrotate_entry=$(createLogrotateConfigurationEntry "${singleFile}" "${file_owner_user}" "${file_owner_group}" "${logrotate_copies}" "${logrotate_logfile_compression}" "${logrotate_logfile_compression_delay}" "${logrotate_mode}" "${logrotate_interval}" "${logrotate_size}" "${logrotate_dateformat}" "${logrotate_minsize}" "${logrotate_maxage}" "${logrotate_prerotate}" "${logrotate_postrotate}")
+  local new_logrotate_entry=$(createLogrotateConfigurationEntry "${singleFile}" "${file_owner_user}" "${file_owner_group}" "${logrotate_copies}" "${logrotate_logfile_compression}" "${logrotate_logfile_compression_delay}" "${logrotate_mode}" "${logrotate_interval}" "${logrotate_size}" "${logrotate_dateformat}" "${logrotate_minsize}" "${logrotate_maxage}" "${logrotate_prerotate}" "${logrotate_postrotate}" "${logrotate_lastaction}")
   echo "Inserting new ${singleFile} to /usr/bin/logrotate.d/logrotate.conf"
   insertConfigurationEntry "$new_logrotate_entry" "/usr/bin/logrotate.d/logrotate.conf"
 }