Teflo

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Documentation
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* Added comments in the pipeline.py to clarify the usage of filters.

Enhancements
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* Added strict validation to bkr_client schema.
* Added support of git ssh to clone remotes.
* Added coverage xml file in Unittest

Bug Fixes
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* Fix running ansible collection

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Enhancements
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* Added support of ansible group_vars files.
* Add support to grab ipv4 when node has multiple addresses.
* Add unit tests for notification problem

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Bug Fixes
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* Fixed the jinja template issue
* Upgrade Sphinx to be compatible with jinja2 v3.1.1
* Silence notify messages when no notifications enabled
* Fixed for Teflo does not take into account provision resources that do not match the supplied teflo label
* Fixed for DISPLAY_SKIPPED_HOSTS option is deprecated

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Bug Fixes
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* Fixed issue with centos 8 image for unit tests
* Fixed ansible warnings in stderr
* Fixed preserve whitespace when dumping ansible output

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Enhancements
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* make scenario graph size a static attribute
* Allow ANSIBLE_EXTRA_VARS_FILES option for orchestrate/execute task to pick up variable files provided via cli

Bug Fixes
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* Allow IPv6 addresses SSH connection validation
* Fixed nested var issue
* Fixed duplicate resource name issue

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Features
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* From this release, users are able to define remote_workspace in sdf file and use remote scenario

Enhancements
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* Make env variables available during Orchestrate and execute stage of Teflo run
* Added __hash__ and __eq__ for Teflo Resource class

Bug Fixes
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* Fixed notification to display passed and failed tasks for the entire scenario_graph
* Fixed "for running You have to provide a valid scenario file. fails with 'skip-fail' KeyError"