Add example to view the differences between two backups

[software/bacap.git] / bacap

diff --git a/bacap b/bacap
index fb6cc5ec57baccb24df041b6419a5c1b7a5739f0..d107b1dadffcfe6c6ddebff21b2da3c594581e2d 100755 (executable)
--- a/bacap
+++ b/bacap
@@ -19,7 +19,7 @@ LOG_FILE=
 CONFIG_PATH=/etc/bacap/hosts
 
 # Name of the local host (so no ssh would be used with this host)
 CONFIG_PATH=/etc/bacap/hosts
 
 # Name of the local host (so no ssh would be used with this host)

-LOCALHOST=localhost
+LOCALHOST=$HOSTNAME

 
 # Where to put the backups
 BACKUP_PATH=/backup
 
 # Where to put the backups
 BACKUP_PATH=/backup


@@ -38,13 +38,17 @@ RSYNC_RSH="ssh -c arcfour -o Compression=no -x"
 
 #_INCLUDE_END_
 
 
 #_INCLUDE_END_
 

+SCRIPT_DIR=$(dirname `readlink -f $0`)
+BACAPRC=$1

 
 # Load configuration files
 
 # Load configuration files

-source "/etc/bacaprc" 2> /dev/null
-source "/etc/bacap/bacaprc" 2> /dev/null
-source `dirname \`readlink -f "$0"\``/bacaprc 2> /dev/null
-test -n "$1" && source "$1"
-
+load_config() {
+       source "/etc/bacaprc" 2> /dev/null
+       source "/etc/bacap/bacaprc" 2> /dev/null
+       source "$SCRIPT_DIR/bacaprc" 2> /dev/null
+       test -n "$BACAPRC" && source "$BACAPRC"
+}
+load_config

 
 export RSYNC_RSH
 
 
 export RSYNC_RSH
 


@@ -86,6 +90,10 @@ plog "========================================================================="
 ret=0
 for host_path in "$CONFIG_PATH"/*
 do
 ret=0
 for host_path in "$CONFIG_PATH"/*
 do

+       saved_ret=$ret
+       # Load default config and override config if correspond
+       load_config
+       source "$host_path/bacaprc" 2>/dev/null

        host=`basename "$host_path"`
        host_backup_path="$BACKUP_PATH/$host"
        dst="$BACKUP_PATH/$host/$date"
        host=`basename "$host_path"`
        host_backup_path="$BACKUP_PATH/$host"
        dst="$BACKUP_PATH/$host/$date"


@@ -93,13 +101,15 @@ do
        [ "$host" != "$LOCALHOST" ] &&
                src=`awk "{print \"$host:\"\\$1}" "$host_path/paths"`
        exclude="$host_path/excludes"
        [ "$host" != "$LOCALHOST" ] &&
                src=`awk "{print \"$host:\"\\$1}" "$host_path/paths"`
        exclude="$host_path/excludes"

+       include="$host_path/includes"

        current_link="$host_backup_path/current"
        current_dir="$host_backup_path/`readlink \"$current_link\"`"
        exclude_flags=
        current_link="$host_backup_path/current"
        current_dir="$host_backup_path/`readlink \"$current_link\"`"
        exclude_flags=

+       include_flags=

        plog "-----------------------------------------------------------------"
        plog "Backup for host $host"
        plog "-----------------------------------------------------------------"
        plog "-----------------------------------------------------------------"
        plog "Backup for host $host"
        plog "-----------------------------------------------------------------"

-       plog "Source:      "$src
+       plog "Source:      $src"

        plog "Destination: $dst"
        plog "Last:        $current_dir"
        plog
        plog "Destination: $dst"
        plog "Last:        $current_dir"
        plog


@@ -110,18 +120,24 @@ do
                perror "$host is down, skipping..." &&
                continue
        [ -r "$exclude" ] &&
                perror "$host is down, skipping..." &&
                continue
        [ -r "$exclude" ] &&

-               exclude_flags=" --exclude-from=$exclude --delete-excluded"
+               extra_flags="--exclude-from=$exclude --delete-excluded"
+       [ -r "$include" ] &&
+               extra_flags="$extra_flags --include-from=$include"

        plog "Rotating backup..."
        $run cp -al $V "$current_dir" "$dst" ||
                ret=$(($ret+1))
        plog "Running rsync..."
        plog "Rotating backup..."
        $run cp -al $V "$current_dir" "$dst" ||
                ret=$(($ret+1))
        plog "Running rsync..."

-       $run rsync $RSYNC_FLAGS $exclude_flags $src "$dst/" ||
+       $run rsync $RSYNC_FLAGS $extra_flags $src "$dst/" ||

                ret=$(($ret+1))
        plog "Moving current..."
        $run rm $V "$current_link" ||
                ret=$(($ret+1))
        $run ln -s $V "$date" "$current_link" ||
                ret=$(($ret+1))
                ret=$(($ret+1))
        plog "Moving current..."
        $run rm $V "$current_link" ||
                ret=$(($ret+1))
        $run ln -s $V "$date" "$current_link" ||
                ret=$(($ret+1))

+       if [ $ret -ne $saved_ret ]
+       then
+               ERROR_HOSTS="$ERROR_HOSTS $host"
+       fi

 done
 
 plog "========================================================================="
 done
 
 plog "========================================================================="


@@ -130,7 +146,7 @@ plog "========================================================================="
 
 if [ $ret -ne 0 ]
 then
 
 if [ $ret -ne 0 ]
 then

-       pout 'There were some errors when running the backup.'
+       pout "There were some errors when running the backup on: $ERROR_HOSTS"

        pout
        pout "Please take a look at the log: $LOG_FILE"
        pout
        pout
        pout "Please take a look at the log: $LOG_FILE"
        pout