meta-virtualization/recipes-containers/singularity
Bruce Ashfield 08435d20b1 recipes/classes/scripts: Drop SRCPV usage
bitbake has been enhanced such that SRCPV is no longer needed in
PV to handle updating git hashes and task signatures.

We can simplify our PV by dropping SRCPV

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
2023-08-24 01:38:21 +00:00
..
singularity treewide: bulk update patches with status field 2023-01-27 10:32:06 -05:00
README Added README file 2017-08-29 08:42:25 -04:00
singularity_git.bb recipes/classes/scripts: Drop SRCPV usage 2023-08-24 01:38:21 +00:00

Singularity is a container platform based on the principle of mobility of compute, and it is designed for use within HPC clusters. For more info see singularity.lbl.gov.

To test whether the software functions correctly, you can use singularity selftest. This is what you would expect to see:

~# singularity selftest

  • sh -c test -f /etc/singularity/singularity.conf (retval=0) OK
  • test -u /usr/libexec/singularity/bin/action-suid (retval=0) OK
  • test -u /usr/libexec/singularity/bin/create-suid (retval=0) OK
  • test -u /usr/libexec/singularity/bin/expand-suid (retval=0) OK
  • test -u /usr/libexec/singularity/bin/export-suid (retval=0) OK
  • test -u /usr/libexec/singularity/bin/import-suid (retval=0) OK
  • test -u /usr/libexec/singularity/bin/mount-suid (retval=0) OK

You can also pull a container from Docker Hub to prove full functionality (Test was performed on a Raspberry Pi 3, hence the arm32v7 part of the Docker link. Make sure you pull an image which is compatible with your hardware.) For instance:

~# singularity pull docker://arm32v7/debian:latest Initializing Singularity image subsystem Opening image file: debian-latest.img Creating 200MiB image Binding image to loop Creating file system within image Image is done: debian-latest.img Docker image path: index.docker.io/arm32v7/debian:latest Cache folder set to /home/root/.singularity/docker [1/1] |===================================| 100.0% Importing: base Singularity environment Importing: /home/root/.singularity/docker/sha256:ed4f1f0d0a0457e7f76ffb25a8d6a193007709dd312b7647cb44fc6979ec4a53.tar.gz Importing: /home/root/.singularity/metadata/sha256:89997b2c16b29c5a3a316e314172ef21b36f67cc3200b1c4d95927f716dbee83.tar.gz Done. Container is at: debian-latest.img ~# singularity shell debian-latest.img Singularity: Invoking an interactive shell within container...

Singularity debian-latest.img:~> echo "Hello from within the container!" Hello from within the container! Singularity debian-latest.img:~> ls / bin dev home lost+found mnt proc run singularity sys usr boot etc lib media opt root sbin srv tmp var Singularity debian-latest.img:~> exit exit ~#