Add support for exporting and importing reports

[branic]

These rake scripts and classes provide functionality for exporting/importing of the following ManageIQ object types:

• Reports

This PR uses the framework that was implemented for PRs #14126, #15256, #16717, and others to export/import other ManageIQ object types.

These scripts are based on the CFME RH Consulting Scripts and are used by Red Hat consultants to enable storing customizations in Git and maintaining customizations between environments (e.g. dev/qa/prod) for an SDLC lifecycle.

Links [Optional]

• Tracking Issue: Implement export/import functionality of Miq objects via command-line

Steps for Testing/QA [Optional]

Exporting

1. Create a directory for the exports

mkdir /tmp/reports

2. Export user defined reports

vmdb
bin/rake evm:export:reports -- --directory /tmp/reports

Importing

1. Import all report yaml files in a directory

# vmdb
# bin/rake evm:import:reports -- --source /tmp/reports

2. or Import specific report yaml file

# vmdb
# bin/rake evm:import:report -- --source /tmp/reports/Test_Report.yaml

[branic]

/cc @gmcculloug @gtanzillo

[gtanzillo]

@branic I just got to this today. Looks good so far. Need to looks at the tests...

[gtanzillo]

I think this should be TaskHelpers::Exports::Reports here

[branic]

Ugh, you're correct. That's what I get for copy/pasting.

[gtanzillo]

@branic This looks good. Can you please take care of the rubocop issues with trailing spaces in the report yamls? Once that's done I'll merge. Thanks 👍

[miq-bot]

Checked commit https://github.com/branic/manageiq/commit/5ee0142f231c4f0230d407bce9b6d6170e245e97 with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
6 files checked, 0 offenses detected
Everything looks fine. 👍

[branic]

@gtanzillo Fixed the rubocop trailing spaces and squashed all the commits into one.

[gtanzillo]

Looks good 👍 Thanks @branic