ch-builder2squash1
Flatten a builder image into a charliecloud squashfs file
Usage
$ ch-builder2squash [-b BUILDER] IMAGE OUTDIR [ARGS ...]Overview
Flattens the builder image tagged IMAGE into a SquashFS file in OUTDIR.
Wrapper for ch-builder2tar --nocompress and ch-tar2sqfs. Intermediate files and directories are removed.
Sudo privileges are required to run docker export.
Optional ARGS passed to mksquashfs unchanged.
Additional arguments:
-
--help -
print help and exit
-
--version -
print version and exit
Examples
$ docker image list | fgrep debianREPOSITORY TAG IMAGE ID CREATED SIZEdebian stretch 2d337f242f07 3 weeks ago 101MB$ ch-builder2squash debian /var/tmpParallel mksquashfs: Using 6 processorsCreating 4.0 filesystem on /var/tmp/debian.sqfs, block size 131072.[...]squashed /var/tmp/debian.sqfs OK$ ls -lh /var/tmp/debian*-rw-r--r-- 1 charlie charlie 41M Apr 23 14:37 debian.sqfs