Registration of datasets in PMD CKAN

[webhart]

Automatically register Jena-datasets in ckan.materialdigital.de or another CKAN instance as soon as the Jena-dataset is created.

Things to be clarified:

• ID of registrator: the local admin can generate a token for the CKAN API and keep it in the .env. The CKAN hostname is also kept in the .env.
• Editing metadata in CKAN: only the admin can edit the metadata for the time being.
• Conditions under which a Jena-dataset is automatically registered: should be an option in the UI
• Sparklis and YASGUI on ontodocker-side vs. CKAN side
• Mesh considerations: the mesh will provide its own DNS in PMD-S configs for resolving the CKAN host.

The registration should min include SPARQL endpoint and GUI URL. Additional metadata could include keywords, author, ...

[webhart]

A CKAN for test purposes can be set up from https://github.com/materialdigital/pmd-ckan
Alternatively after registration to the PMD-DEV-SSO a CKAN is available from https://kit-pmd-4.ydns.eu