FormatTime converts a time to a string acceptable by the Prometheus API.

GetDefaultImage returns the Docker image to use to run Cortex.

NewClient makes a new Cortex client.

NewPromQueryClient makes a new client but used for Prometheus Query only.

Client is a client used to interact with Cortex in integration tests.

CompositeCortexService abstract an higher-level service composed, under the hood, by 2+ CortexService.

CortexService represents a Cortex service with at least an HTTP and GRPC port exposed.

ServerStatus represents a Alertmanager status response TODO: Upgrade to Alertmanager v0.20.0+ and utilize vendored structs.