A catalogue of opinionated and standardized interface specifications for charmed operator relations. The purpose of the repository is to outline the behavior and requirements for key interface names, ensuring that charms claiming to implement a certain interface actually are capable of being integrated with each other.

To contribute an interface specification, open a pull request containing a README.md, json schemas for both sides of the relation, as well as a charms.yaml file consisting of a list of any providers and consumers known to adhere to the specification. See the grafana-auth interface for examples of what to include and how it should be structured. For interface schemas, make sure to include both the unit and application databag in your schema, and also make sure to set additionalProperties to true as we want to be able to keep it extendable.

Category	Interface	Status
Data	mysql_client
	postgresql_client
	mongodb_client
	kafka_client
Observability	grafana_auth
	ingress
	ingress_per_unit
	prometheus_remote_write
	prometheus_scrape
Metadata	k8s-service
Security	tls_certificates/v0
	tls_certificates/v1
Storage	s3

For a more detailed explanation of statuses and how they should be used, see the legend.