Commit 9dd7fa96 authored by nimrod's avatar nimrod
Browse files

Restore script.

parent a5b469f6

backup/Dockerfile

+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ FROM docker.io/library/alpine:3.14 
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 && \

    apk add --update --no-cache \

        findutils \

        skopeo \

        reg \

    ;

backup/backup

+4 −1
Original line number Diff line number Diff line
@@ -17,6 +17,8 @@ then 
    exit 1

fi



command -v skopeo >/dev/null || { echo 'skopeo is missing.' >&2; exit 2; }



registry="$1"

dest="$2"
@@ -44,6 +46,7 @@ NR>2 { 
    }

}

END {

    exit retruncode

    if ( exitcode == 1) print "Backup failed for some images."

    exit exitcode

}

'

backup/restore

+61 −0
Original line number Diff line number Diff line 
#!/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"