treehouses log ram [on|off] 40M memory for log files (fixes #807)

README.md

@@ -123,7 +123,7 @@ cron [list|add|delete|deleteall]          adds, deletes a custom cron job or del
 usb [on|off]                              turns usb ports on or off
 remote [check|status|upgrade|services]    helps with treehouses remote android app
        [version|commands|allservices]
-log <0|1|2|3|4|show|max>                  gets/sets log level and shows log
+log [0|1|2|3|4|show|max|ram [on|off]]     gets/sets log level and shows log
 blocker <0|1|2|3|4||max>                  website blocking levels using /etc/hosts
 sdbench                                   displays read and write speed of micro SD card
 inspire [joke|qotd|random]                displays quote based on user input

_treehouses

@@ -198,6 +198,9 @@ treehouses log 4
 treehouses log max
 treehouses log show
 treehouses log show 5
+treehouses log ram
+treehouses log ram on
+treehouses log ram off
 treehouses memory
 treehouses memory -g
 treehouses memory -m

modules/help.sh

@@ -95,7 +95,7 @@ Usage: treehouses
    usb [on|off]                              turns usb ports on or off
    remote [check|status|upgrade|services]    helps with treehouses remote android app
           [version|commands|allservices]
-   log <0|1|2|3|4|show|max>                  gets/sets log level and shows log
+   log [0|1|2|3|4|show|max|ram [on|off]]     gets/sets log level and shows log
    blocker <0|1|2|3|4||max>                  website blocking levels using /etc/hosts
    sdbench                                   displays read and write speed of micro SD card
    inspire [joke|qotd|random]                displays quote based on user input

modules/log.sh

@@ -1,3 +1,25 @@
+function log2ram {
+  checkrpi
+  checkargn $# 1
+  if [ "$1" = "" ]; then
+    if [[ $(df -h) != *"log2ram"* ]]; then
+      echo "log2ram is off"
+    else
+      echo "log2ram is on"
+    fi
+  elif [ "$1" = "on" ]; then
+    if [[ $(log2ram) = *off* ]]; then
+      command log2ram start
+    fi
+    echo "Successfully started log2ram"
+  elif [ "$1" = "off" ]; then
+    command log2ram stop
+    echo "Sucessfully stopped log2ram"
+  else
+    log_and_exit1 "Error: only '', 'on', and 'off' options supported"
+  fi
+}
+
 # uses logger command to log to /var/log/syslog
 # logit "text" "whether or not to write to screen" "logging level"
 # e.g. logit "i logged some text"
@@ -105,6 +127,9 @@ function log {
 	  LOG=max
 	  logit "log X: level set to max" "" "DEBUG"
 	  ;;
+  "ram")
+    log2ram "$2"
+    ;;
     *)
       log_and_exit1 "Error: only '0' '1' '2' '3' '4' 'show' 'max' options are supported"
       ;;
@@ -114,7 +139,7 @@ function log {
 
 function log_help {
   echo
-  echo "Usage: $BASENAME log <0|1|2|3|4|show|max>"
+  echo "Usage: $BASENAME log [0|1|2|3|4|show|max|ram [on|off]]"
   echo
   echo "Example:"
   echo "  $BASENAME log"
@@ -146,4 +171,16 @@ function log_help {
   echo "  $BASENAME log max"
   echo "      log X: level set to max"
   echo
+  echo "  $BASENAME log ram"
+  echo "      log2ram is off"
+  echo "  force logs to be stored in ram and only writes to disk on shutdown"
+  echo "  https://github.com/azlux/log2ram"
+  echo "  Stores logs in 40M (Megabytes) in mount point in memory"
+  echo
+  echo "  $BASENAME log ram on"
+  echo "      Successfully started log2ram"
+  echo
+  echo "  $BASENAME log ram off"
+  echo "      Successfully stopped log2ram"
+  echo
 }