Homogenize CLI commands

Registered by Alvaro Lopez

Currently we have several commands doing similar things that are constructed in a different way. For example

    flavor-show
    image-show
    aggregate-details
    fixed-ip-get

Conceptually are the same (i.e. they retrieve information from something), but they are constructe in a different way. We should homogenize so as to add consistency.

Blueprint information

Status:
Started
Approver:
None
Priority:
Undefined
Drafter:
Alvaro Lopez
Direction:
Needs approval
Assignee:
Alvaro Lopez
Definition:
New
Series goal:
Proposed for liberty
Implementation:
Started
Milestone target:
None
Started by
Alvaro Lopez

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