ch-pull2tar - Man Page

Pull image from a Docker Hub and flatten into tarball

Synopsis

$ ch-pull2tar IMAGE[:TAG] OUTDIR

Description

Pull a Docker image named IMAGE[:TAG] from Docker Hub and flatten it into a Charliecloud tarball in directory OUTDIR.

This runs the following command sequence: docker pull, ch-builder2tar but provides less flexibility than the individual commands.

Sudo privileges are required for docker pull.

Additional arguments:

--help

print help and exit

--version

print version and exit

Examples

$ ch-pull2tar 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

Same as above, except optional TAG is specified:

$ ch-pull2tar alpine:3.6
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

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/issues>

See Also

charliecloud(7)

Full documentation at: <https://hpc.github.io/charliecloud>

Referenced By

charliecloud(7).

2021-03-08 00:00 Coordinated Universal Time 0.22 Charliecloud