Last active
February 2, 2020 07:52
-
-
Save toniher/7ed9411db1e2c8369a4a7245c748766c to your computer and use it in GitHub Desktop.
Bash script wrapper for generating a singularity image from a local Docker image
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
# Based on https://github.com/sylabs/singularity/issues/1537 | |
# Usage: bash docker2singularity.sh mydockerimg mysingularity.simg | |
set -ueo pipefail | |
IMG=$1 | |
FILEOUT=$2 | |
PORT=${3:-5000} | |
if [ -f $FILEOUT ]; then | |
echo "File $FILEOUT exists!" | |
exit 1 | |
fi | |
docker run -d -p $PORT:5000 --restart=always --name "registry-$IMG" registry:2 | |
# Push local docker container to it | |
docker tag $IMG localhost:$PORT/$IMG | |
docker push localhost:$PORT/$IMG | |
# Build singularity container | |
SINGULARITY_NOHTTPS=1 singularity build $FILEOUT docker://localhost:$PORT/$IMG | |
docker rm -f "registry-$IMG" | |
docker rmi localhost:$PORT/$IMG |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment