ch-builder2squash - Flatten a builder image into a Charliecloud SquashFS file
Contents
Copyright
2014–2021, Triad National Security, LLC
0.26 2022-01-30 10:06 UTC CH-BUILDER2SQUASH(1)
Description
WARNING:
This script is deprecated in favor of ch-convert. It will be removed in the next release.
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 dockerexport.
Optional ARGS passed to mksquashfs unchanged.
Additional arguments:
--help print help and exit
--version
print version and exit
Example
$ docker image list | fgrep debian
REPOSITORY TAG IMAGE ID CREATED SIZE
debian stretch 2d337f242f07 3 weeks ago 101MB
$ ch-builder2squash debian /var/tmp
Parallel mksquashfs: Using 6 processors
Creating 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
Name
ch-builder2squash - Flatten a builder image into a Charliecloud SquashFS file
Reporting Bugs
If Charliecloud was obtained from your Linux distribution, use your distribution’s bug reporting
procedures.
Otherwise, report bugs to: https://github.com/hpc/charliecloud/issuesSee Also
charliecloud(7)
Full documentation at: <https://hpc.github.io/charliecloud>
Synopsis
$ ch-builder2squash [-b BUILDER] IMAGE OUTDIR [ARGS ...]
