Enable export and import of SDN configuration

resolves #269 (closed)

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

.gitlab/ci/.integration-test-containerlab.yml

@@ -52,7 +52,7 @@ containerlab-destroy:
     before_script:
         - cd ${CLAB_DIR}
     script:
-        - sudo containerlab destroy --topo ${CLAB_DIR}/${CLAB_NAME}.clab.yml
+        - sudo containerlab destroy --topo ${CLAB_DIR}/${CLAB_NAME}.clab.yml -c
         - docker volume rm -f ${CLAB_NAME}-volume
         - echo ${CLAB_NAME}
         - ls -la