initial commit of a *whole bunch* of old Egressive shell scripts, used to make many people redundant.

egapachewatch/egapachewatch-cron

@@ -0,0 +1,8 @@
+#
+# egapachewatch, copyright 2007 egressive limited, www.egressive.com
+#
+# run system backups
+#
+# every 5 minutes
+*/5 * * * * root /etc/egscripts/egapachewatch/egapachewatch.sh
+

egapachewatch/egapachewatch.sh

@@ -0,0 +1,139 @@
+#!/bin/bash
+#
+# count how many apache processes are running and warn us if it's getting high..
+SCRIPT=egapachewatch.sh
+VERSION=0.1
+#
+LOG=/var/log/egapachewatch.log
+TMP_DIR=/tmp
+DATE=`which date`
+MAIL=`which mail`
+RM=`which rm`
+NUMWARN=40
+#
+TODAY=`$DATE '+%Y-%m-%d-%a'`
+# determine today's date
+NOW=`$DATE '+%H-%M-%S'`
+# a timestamp for logging purposes
+#
+# function to direct a message...
+message() {
+  #
+  # a timestamp for logging purposes
+  timestamp
+  if test -w $LOG ; then
+    echo "$SCRIPT: $TIMESTAMP $@" >> $LOG
+  fi
+  if test -w $TMP_EMAIL ; then
+    echo "$SCRIPT: $TIMESTAMP $@" >> $TMP_EMAIL
+  fi
+  verbose "$TIMESTAMP $@"
+}
+#
+# function to direct a message...
+verbose() {
+  if test $VERBOSE ; then
+    echo "$@"
+  fi
+}
+#
+# insert a blank line into the log and on the console
+insert_blank() {
+  echo "" >> $TMP_EMAIL
+  verbose ""
+}
+#
+# update date and time info..
+today() {
+  # determine today's date
+  TODAY=`$DATE '+%Y-%m-%d-%a'`
+}
+now() {
+  # determine today's date
+  NOW=`$DATE '+%H-%M-%S'`
+}
+timestamp() {
+  # a timestamp for logging purposes
+  TIMESTAMP=`$DATE  '+%Y-%m-%d %H:%M.%S'`
+}
+#
+# create the temporary email file
+create_tmp_email() {
+  if test -d $TMP_DIR ; then
+    if test -w $TMP_DIR ; then
+      touch $TMP_EMAIL 2>&1
+    else
+      error "Email tmp directory $TMP_DIR is not writable"
+    fi
+  else
+    error "Email tmp directory $TMP_DIR does not exist"
+  fi
+
+  if test -w $TMP_EMAIL ; then
+    message "created temporary email $TMP_EMAIL"
+  else
+    error "Failed to create temporary email $TMP_EMAIL"
+  fi
+}
+#
+# send the contents of the temporary file to the
+# designated report recipient
+send_email_report() {
+  if test -f $TMP_EMAIL ; then
+    message "sending email report to $EMAIL_TO"
+    for EMAIL_ADD in $EMAIL_TO
+    do
+      RES=`$MAIL -s "$EMAIL_SUBJ" $EMAIL_ADD < $TMP_EMAIL`
+      if test -z $RES ; then
+        if test $ERROR_STATUS == 1 ; then
+          message "Error email report successfully sent to $EMAIL_ADD"
+        else
+          message "Email report successfully sent to $EMAIL_ADD"
+        fi
+      fi
+    done
+    if test -w $TMP_EMAIL ; then
+      $RM $TMP_EMAIL 2>&1
+    fi
+  fi
+}
+
+# modified dave@egressive.com 20071029
+max_clients() {
+  NUMAVAIL=`grep -A 8 "IfModule prefork.c" /etc/apache2/apache2.conf | grep "^MaxClients" | awk '{print $2;}'`
+  # An email will be sent if the number of processes running is greater than ($NUMAVAIL - $NUMWARN)
+  # As of 20071025, MaxClients was set to 150  this may be outrageously high for the amount
+  # of memory on the server, so NUMWARN is set high too . . .
+}
+
+TMP_EMAIL=$TMP_DIR/$SCRIPT"_tmp_email_"$TODAY.$NOW
+EMAIL_TO="support@egressive.com"
+NUMPROC=`ps auxwww | grep -c "apache2"`
+max_clients
+NUMWARNLEVEL=$[$NUMAVAIL - $NUMWARN]
+MACHINE_NAME="geprod"
+ERROR_STATUS=0
+
+#
+# set up alert
+if ! test -f $TMP_EMAIL ; then 
+  touch $TMP_EMAIL
+fi  
+if ! test -f $LOG ; then
+  touch $LOG
+fi
+
+message " " # blank line
+message "running $NOW"
+#NUMAVAIL=1
+message "current number of processes $NUMPROC out of $NUMAVAIL"
+if [ $NUMPROC -ge $NUMWARNLEVEL ] ; then
+  message "sending email alert!"
+  EMAIL_SUBJ="ALERT - $MACHINE_NAME - exceeding num apache processes!"
+  send_email_report
+fi
+now
+message "completed run"
+
+exit 0 
+