CRAYSAT-1392: Graceful handle of user token expiry

[shivaprasad-metimath]

Summary and Scope

During the sat status execution if the user token is expired, there is a traceback which comes as the output. Hence graceful handling of the token expiry is added to inform the user.

Issues and Related PRs

List and characterize relationship to Jira/Github issues and other pull requests. Be sure to list dependencies.

• Resolves CRAYSAT-1392

Testing

List the environments in which these changes were tested.

Tested on:

• rocket

Test description:

Manually the expiry date was updated in ~/.config/sat/tokens/api_gw_service_nmn_local.vers.json to replicate the issue.
And then the sat commands such as sat status, hwinv, hwmatch were executed to validate the changes

Risks and Mitigations

Low risk

Pull Request Checklist

• Version number(s) incremented, if applicable
• Copyrights updated
• License file intact
• Target branch correct
• CHANGELOG.md updated
• Testing is appropriate and complete, if applicable
• HPC Product Announcement prepared, if applicable

[shivaprasad-metimath]

Manually the expire date was changed in the ~/.config/sat/tokens/api_gw_service_nmn_local.vers.json to recreate the issue and then validated.
testing output on rocket:
https://gist.github.com/shivaprasad-metimath/d0f9a8d0df9458bc117e02fab7571166

[shivaprasad-metimath]

Testing output on rocket:

(d950e16dc37a) sat-container:/ # sat status
ERROR: Invalid grant error: The token is not active or is invalid.Please re-authenticate using 'sat auth' to obtain a new token
(d950e16dc37a) sat-container:/ # sat hwinv
ERROR: Invalid grant error: The token is not active or is invalid.Please re-authenticate using 'sat auth' to obtain a new token
(d950e16dc37a) sat-container:/ # sat hwmatch
ERROR: Invalid grant error: The token is not active or is invalid.Please re-authenticate using 'sat auth' to obtain a new token
(d950e16dc37a) sat-container:/ # sat firmware
ERROR: Invalid grant error: The token is not active or is invalid.Please re-authenticate using 'sat auth' to obtain a new token
(d950e16dc37a) sat-container:/ #

[haasken-hpe]

Overall approach looks good. Needs minor improvements.