Opal

Crystal CLI for working with container registries. CLI is developed using Crystal Library containercegistry.cr

Installation

To install opal download it from releases page or compile latest version using:

Note: crystal is required in order to compile opal.

git clone https://github.com/naqvis/opal
cd opal
shards build -v

Then setup opal binary in your system path.

Usage

Opal is a tool for managing container images

Subcommands:
  append    Append contents of a tarball to a remote image
  config    Get the config of an image
  copy      Efficiently copy a remote image from src to dst
  cp        alias for copy
  delete    Delete an image reference from its registry
  digest    Get the digest of an image
  export    Export contents of a remote image as a tarball
  ls        List the tags in a repo
  manifest  Get the manifest of an image
  pull      Pull a remote image by reference and store its contents in a tarball
  push      Push image contents as a tarball to a remote registry
  rebase    Rebase an image onto a new base image
  rm        alias for delete
  validate  Validate that an image is well-formed

Options:
  -h, --help     show this help
  -v, --version  show version

(C) 2019 Ali Naqvi

Known issues

• rebase is experimental and might break you if not used correctly. Read rebase.md for more details.

Contributing

1. Fork it (https://github.com/naqvis/opal/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Ali Naqvi - creator and maintainer