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Commit 9dd7fa96 authored by nimrod's avatar nimrod
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Restore script.

parent a5b469f6
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...@@ -3,6 +3,7 @@ FROM docker.io/library/alpine:3.14 ...@@ -3,6 +3,7 @@ FROM docker.io/library/alpine:3.14
RUN echo 'https://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories && \ RUN echo 'https://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories && \
echo 'https://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories && \ echo 'https://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories && \
apk add --update --no-cache \ apk add --update --no-cache \
findutils \
skopeo \ skopeo \
reg \ reg \
; ;
......
...@@ -17,6 +17,8 @@ then ...@@ -17,6 +17,8 @@ then
exit 1 exit 1
fi fi
command -v skopeo >/dev/null || { echo 'skopeo is missing.' >&2; exit 2; }
registry="$1" registry="$1"
dest="$2" dest="$2"
...@@ -44,6 +46,7 @@ NR>2 { ...@@ -44,6 +46,7 @@ NR>2 {
} }
} }
END { END {
exit retruncode if ( exitcode == 1) print "Backup failed for some images."
exit exitcode
} }
' '
#!/bin/sh #!/bin/sh
set -eu
usage() {
echo "$0: BACKUP_SOURCE REGISTRY_DOMAIN"
}
if [ "${1:-}" = -h ] || [ "${1:-}" = --help ]
then
usage
exit 0
fi
if [ "$#" -ne 2 ]
then
usage
exit 1
fi
command -v skopeo >/dev/null || { echo 'skopeo is missing.' >&2; exit 2; }
src="$1"
registry="$2"
# There's an assumption here that filenames don't have spaces (or other such
# characters) as the image format prohibits that and I don't want to deal with
# such issues right now.
images="$(find "$src" -maxdepth 1 -mindepth 1 -type d -printf '%f\n')"
if [ -z "$images" ]
then
echo 'No images found,' >&2
exit 3
fi
returncode=0
for image in $images
do
tags="$(find "$src/$image" -maxdepth 1 -mindepth 1 -type f -name '*.tar' -printf '%f\n' | sed 's/\.tar$//g')"
if [ -z "$tags" ]
then
echo "No tags found for image $image, skipping." >&2
continue
fi
for tag in $tags
do
echo "Restoring $image:$tag" >&2
if skopeo copy "docker-archive://$src/$image/$tag.tar" "docker://$registry/$image:$tag"
then
echo "Restore finished successfully." >&2
else
echo "Restore failed, continuing with other image." >&2
returncode=1
fi
done
done
if [ "$returncode" -gt 0 ]
then
echo 'Restoration failed for some images.'
fi
exit "$returncode"
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