$ ch-pull2dir IMAGE[:TAG] DIR
Pull Docker image named IMAGE[:TAG] from Docker Hub and extract it into a subdirectory of DIR. A temporary tarball is stored in DIR.
Sudo privileges are required to run the docker pull command.
This runs the following command sequence: ch-pull2tar, ch-tar2dir. See warning in the documentation for ch-tar2dir.
print help and exit
print version and exit
$ ch-pull2dir alpine /var/tmp Using default tag: latest latest: Pulling from library/alpine Digest: sha256:621c2f39f8133acb8e64023a94dbdf0d5ca81896102b9e57c0dc184cadaf5528 Status: Image is up to date for alpine:latest -rw-r--r--. 1 charlie charlie 2.1M Oct 5 19:52 /var/tmp/alpine.tar.gz creating new image /var/tmp/alpine /var/tmp/alpine unpacked ok removed '/var/tmp/alpine.tar.gz'
Same as above, except optional TAG is specified:
$ ch-pull2dir alpine:3.6 /var/tmp 3.6: Pulling from library/alpine Digest: sha256:cc24af836d1377e092ecb4e8f0a4324c3b1aa2b5295c2239edcc7bbc86a9cbc6 Status: Image is up to date for alpine:3.6 -rw-r--r--. 1 charlie charlie 2.1M Oct 5 19:54 /var/tmp/alpine:3.6.tar.gz creating new image /var/tmp/alpine:3.6 /var/tmp/alpine:3.6 unpacked ok removed '/var/tmp/alpine:3.6.tar.gz'
If Charliecloud was obtained from your Linux distribution, use your distribution’s bug reporting procedures.
Otherwise, report bugs to: <https://github.com/hpc/charliecloud/issues>
Full documentation at: <https://hpc.github.io/charliecloud>
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