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redxef 2020-08-16 16:29:59 +02:00
commit 46d56223ae
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dvbackup.sh Executable file
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#!/usr/bin/env bash
backup() {
local volume
local target
local target_dir
local target_name
volume="$1"
target="$(realpath "$2")"
target_dir="$(dirname "$target")"
target_name="$(basename "$target")"
test -z "$(docker volume ls | grep "$volume")" && { echo "Error: No such volume, aborting" >&2; exit 1; }
test -z "$target_dir" && { echo "Error: No base folder found for target=$target" >&2; exit 2; }
test -z "$target_name" && { echo "Error: No target name found for target=$target" >&2; exit 3; }
set -x
docker run --rm --user="$(id -u):$(id -g)" --mount="type=volume,source=$volume,destination=/data,ro=true" --mount="type=bind,source=$target_dir,destination=/data2" busybox tar cvf "/data2/$target_name" "/data"
set +x
}
restore() {
local volume
local target
local target_dir
local target_name
target="$(realpath "$1")"
target_dir="$(dirname "$target")"
target_name="$(basename "$target")"
volume="$2"
test -z "$(docker volume ls | grep "$volume")" && { echo "Error: No such volume, aborting" >&2; exit 1; }
test -z "$target_dir" && { echo "Error: No base folder found for target=$target" >&2; exit 2; }
test -z "$target_name" && { echo "Error: No target name found for target=$target" >&2; exit 3; }
set -x
docker run --rm --user="$(id -u):$(id -g)" --mount="type=volume,source=$volume,destination=/data" --mount="type=bind,source=$target_dir,destination=/data2" busybox /bin/sh -c "rm -rf /data/* && cd / && tar xvf '/data2/$target_name'"
set +x
}
main() {
local volumes
volumes="$(docker volume ls | tail -n+2 | egrep -v '[a-z]+\s+[0-9a-f]+' | egrep -o '\s.+$' | sed 's/\s//g')"
while read -r line; do
echo "$line -> $line.tar"
backup "$line" "$line.tar"
done <<< "$volumes"
}
"$@"