Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/ecoc22-dc-interconnect-disjoint

Arranged deploy scripts

See merge request teraflow-h2020/controller!155

- corrected service name computation in expose_ingress_grpc.sh script
- corrected log format in deploy.sh script
- added control to configure Grafana only when both webui and monitoring are deployed

Added tutorial for debugging with VSCode

See merge request teraflow-h2020/controller!150

- added sections describing installation of Python Extension in VSCode
- added section describing how to export and test connectivity to services through gRPC

refactor(policy): change proto files names

See merge request teraflow-h2020/controller!154

refactor(automation): modify automation.proto to use context.Empty

See merge request teraflow-h2020/controller!153

Draft of tutorial to configure environment and VSCode to debug individual TFS components

refactor(policy): refactor PolicyService & PolicyGateway interfaces

See merge request teraflow-h2020/controller!149

Common scripts:
- added script to dump logs of all pods/containers in a namespace

ECOC'22 demo:
- removed unneeded scripts and files
- cleaned up run_test scripts
- added run test and coverage script
- added deploy_specs.sh
- added scripts to generate JSON descriptors

OFC'22 demo:
- added deploy_specs.sh

- Minor formatting of OFC'22 demo page.
- Formatting of ECOC'22 demo page.

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/ecoc22-dc-interconnect-disjoint

- Minor formatting of OFC'22 page.

- removed redundant scripts and files
- added missing show_logs_slice.sh script
- partially arranged tutorial page

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/ecoc22-dc-interconnect-disjoint

MicroK8s deployment scripts:

See merge request teraflow-h2020/controller!148

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

- deploy.sh: clarified some descriptions of environment variables
- install_requirements.sh: integrated common requirements and selection of components based on the deploy
- my_deploy.sh: added description of environment variables

feat(policy): introduce ServiceService & ServiceGateway interfaces

See merge request teraflow-h2020/controller!147

Policy/implement monitoring service interface

See merge request teraflow-h2020/controller!146

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/ecoc22-dc-interconnect-disjoint

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

- Fixed wrong imports

- Corrected object name in scale commands

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

- Fixed object names in L3_* manifest files
- Corrected object name in scale commands

- Corrected error with log file name generated for deploy stages during TFS deployment.

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

- Arranged requirement versions of L3 CentralizedAttackDetector
- Fixed object names in L3_* manifest files
- Corrected error with log file name generated for deploy stages during TFS deployment.

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment