Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/xr_device_driver_20221102

fix: Change directory structure to match hackfest

See merge request !12

- corrected run_test scripts

- corrected SetContext
- corrected SetSlice/RemoveSlice
- implemented GetSliceEvents
- corrected RemoveService

Microwave ServiceHandler

See merge request !22

- Added readme file on how to use the Mock MicroWave SDN Controller and run the tests for the MicroWaveDeviceDriver and MicroWaveServiceHandler.
- Updated the descriptors associated to this test.

- aesthetic code formatting
- improved error checking
- factorized code

- added logic to propagate config rules of services to subservices by default

- Reduced log level of device, service and slice components to INFO

- Descriptors for a test topology
- Descriptiors for a test microwave service
- Implemented Mock MicroWave SDN Controller to test MicroWaveDeviceDriver

- added device layer to service type mapping for MAC layer controllers

- added missing node icon for microwave radio systems (by now as a virtual controller)

- corrected device type name typo
- added missing devicetype-to-layer rules

- migrated to new ServiceHandler API
- added missing __init__.py file

- minor improvement in error checking

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/service-handler-microwave

refactor(policy): add monitoring proto changes

See merge request !21

DLT component (and related) improvements

See merge request !16

- deactivated CI/CD pipeline for DLT. It was activated by mistake

- implemented preliminary version of CI/CD pipeline definition for DLT (still not integrated in pipeline)

- removed unneeded genproto.sh script

Merge branch 'feat/dlt-component-connector' of https://labs.etsi.org/rep/tfs/controller into feat/dlt-component

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/dlt-component-connector

- Corrected URLs for multi-container pods
- Added support for DLT component
- Corrected minor errors with service/deployment naming

MockBlockchain:
- Implemented mock-blockchain module to facilitate testing and debugging of DLT connector & workflows
- Added manifests, Dockerfile, etc.

DLT Connector:
- corrected requirements.in
- updated Dockerfile
- WIP: implementation of test_unitary.py

DLT Gateway:
- Improved/extended Dockerfile
- Moved Dockerfile to correct folder
- Corrected import path for proto files

Including the validation of creation of KPIs and their values to the OFC'22

See merge request !15

Consolidating commong fixtures in a single file at the root of the tests folder. Updating ECOC'22 and OFC'22 tests to use it.

Fixing some imports and branching a fixture file for each test case so that they can have particularities.

Including the validation of creation of KPIs and their values to the OFC'22 test set. Also consolidating the fixtures into a single file in the root of the 'src/tests' folder so that all tests can import from it.

Feat/monitoring major functional updates

See merge request !14