initial commit of working code

gitlabbackup-cron

+SHELL=/bin/sh
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+#
+# run system backups
+#
+# daily - at 7:30 pm, mon-sun
+30 21 * * * root /home/data/scripts/gitlabbackup/gitlabbackup.sh
+

gitlabbackup.sh

+#!/bin/bash
+#
+# Author: dave@oerfoundation.org
+# License: GPL v3 (or latest)
+#
+# the purpose of this script is to backup up the current docker-compose-deployed Gitlab instance into 
+# a directory on the host, suitable for including in the host's incremental file backups.
+#
+DC=`which docker-compose`
+DIR=/home/docker/git.oeru.org
+CONTAINER=web
+COMMAND='gitlab-rake gitlab:backup:create'
+LOG=/var/log/gitlabbackup.log
+DATE=`date`
+DATESTR=`date +"%Y_%m_%d"`
+TESTSTR='Creating backup archive:'
+BUDIR=$DIR/backups
+BUPAT="*_gitlab_backup.tar"
+TMP=/tmp
+#
+# run the actual command
+CWD=`pwd`
+cd $DIR
+# first check that the container's running
+if [[ `$DC ps | grep -c "$CONTAINER"` == 1 ]] ; then 	
+    # backup, using this command
+    OUT=`$DC exec -T $CONTAINER $COMMAND`
+    # check the output for "Creating backup archive:"
+    RESULT=`echo "$OUT" | grep "$TESTSTR" -`
+    #echo "Result = $RESULT"
+    # get the name of the backup:
+    BU=`echo $RESULT | sed "s/^$TESTSTR \(.*\.tar\).*$/\1/g"`
+    #echo "Backup file: $BU"
+    if [[ ! -z $BU ]] ; then 
+        echo "created backup: $BU in $BUDIR"
+	echo "protecting latest backup" 
+	echo "mv $BUDIR/$BU $TMP"
+	#echo `ls -l $BUDIR`
+	mv $BUDIR/$BU $TMP
+	#echo `ls -l $TMP/$BU`
+	if [[ -f $TMP/$BU ]] ; then 
+    	    echo "remove other backups in $BUDIR" 
+	    echo "removing $BUDIR/$BUPAT"
+            rm $BUDIR/$BUPAT
+	    echo "releasing latest backup"
+	    mv $TMP/$BU $BUDIR
+	else 
+	    echo "failed to protect backup, not removing other backups in $BUDIR"
+	fi
+    else 
+        echo "failed to create a backup!"
+    fi	
+else
+    echo "Container \"$CONTAINER\" does not appear to be running."
+fi
+cd $CWD