Add bash completion for command line¶
https://blueprints.launchpad.net/python-glanceclient/+spec/add-bash-completion
Currently glance client does not support command completion. The intention is to add this functionality to the client.
Problem description¶
Nowadays glance client does not have bash completion for the command line. This feature will improve the client usability.
Proposed change¶
Incorporation of bash completion feature. This feature uses the linux script called bash_completion.d to request all the commands and parameters to Glance through bash_completion command. After obtaining them, they are filtered and shown.
Example of use:
glance <tab><tab> —> shows all the commands
glance image- <tab><tab> —> shows all the commands starting with the word ‘image’: image-list, image-show, image-create…
If there is only one, it will be completed.
glance image-create <tab><tab> —> shows all optional arguments
To complete this feature, it is needed to modify devstack and the packaging tool in order to include this script in the installer (deb, rpm).
Alternatives¶
None
Data model impact¶
None
REST API impact¶
None
Security impact¶
None
Notifications impact¶
None
Other end user impact¶
None
Performance Impact¶
None
Other deployer impact¶
This change needs copying of the glance.bash_completion to specific system path:
This will affect devstack
This will affect specific packaging (deb, rpm)
Developer impact¶
Commands and Parameters are extracted directly from argparse. Developers won’t need to maintain a separate list when they add new commands or parameters.
Implementation¶
Assignee(s)¶
- Primary assignee:
<juan-m-olle>
Work Items¶
This feature needs:
To add glance.bash_completion script
To add bash_completion command to glance client. This new command returns all available commands the client has and it is used by glance.bash_completion.
Dependencies¶
None
Testing¶
Unit test will check new shell command functionality.
Documentation Impact¶
New feature needs to be mentioned.
References¶
None
