56 lines
1.5 KiB
Bash
Executable file
56 lines
1.5 KiB
Bash
Executable file
#!/bin/bash
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function printToServer
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{
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echo "...SRC...$*" >&2
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}
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function catToServer
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{
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sed -e 's/^/...SRC.../' < "$1" >&2
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}
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read backup_directory
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if [ -z "$backup_directory" ]; then
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printToServer "ERROR: no directory to backup"
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exit 1
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else
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backup_directory="`echo "/$backup_directory" | sed -e 's/\/\+/\//g' -e 's/\/$//'`"
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if ! [ -d "$backup_directory" ]; then
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printToServer "ERROR: missing directory $backup_directory"
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exit 1
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fi
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fi
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backup_exclude=( )
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while read backup_edir; do
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backup_exclude=( ${backup_exclude[@]} $backup_edir )
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done
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command='ionice -c2 -n7 tar --numeric-owner --one-file-system --ignore-failed-read --warning=none -c'
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index=
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for index in $( seq 0 $(( ${#backup_exclude[@]} - 1 )) ); do
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command="$command"' "--exclude='"`echo "./${backup_exclude[$index]}" | sed -e 's/\/\+/\//g' -e 's/\/$//'`"'"'
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done
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command="$command"' ".'"$backup_directory"'"'
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if [ -f "/etc/rbackup-encryption-key" ]; then
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command="$command | nice -n20 openssl enc -kfile /etc/rbackup-encryption-key -aes-256-cbc -e"
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fi
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printToServer "Remote host ready"
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tarerrors="`mktemp`"
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chmod 600 "$tarerrors"
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cd /
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eval $command 2>"$tarerrors"
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if ! [ -z "`cat $tarerrors`" ]; then
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printToServer "FETCH ERROR: something went wrong while creating the archive:" >&2
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printToServer "-----------------------------------------------------" >&2
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catToServer "$tarerrors"
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printToServer "-----------------------------------------------------" >&2
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rm -f "$tarerrors"
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exit 1
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fi
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rm -f "$tarerrors"
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