Like Prometheus, but for logs.

prometheushacktoberfestgrafanacloudnativeloggingloki

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Christian Haudum ce71f1cf95 feat(api)!: Fail log queries when executed on instant query endpoint (#13421) ... ### What this PR does / why we need it **Background** A log selector expression is a LogQL expression that returns logs, in contrast to a sample expressions, which returns metrics (samples). The simplest form of log selector expressions are label matchers, e.g. `{env="prod"}`. **Change** This PR changes the behaviour of Loki so that the instant query endpoint `/api/v1/query` does not allow sending a log selector expression as query any more. Instead, it returns a status code 400 (Bad Request) with the error message **"log queries are not supported as an instant query type, please change you query to a range query type"**. **Why** Previously this API endpoint allowed these types of log queries, but returned inconsistent results, which where a major cause for confusion. Returning a concise error helps the user understand that they likely selected the wrong query type in Grafana when executing the query. --- Signed-off-by: Christian Haudum <christian.haudum@gmail.com>		2 years ago
..
error.go	feat(api)!: Fail log queries when executed on instant query endpoint (#13421)	2 years ago
error_test.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
grpc_headers.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
grpc_headers_test.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
grpc_query_tags.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
grpc_query_tags_test.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
middleware.go	Upgrade dskit to use packages migrated from weaveworks/common (#10164)	2 years ago
middleware_test.go	Refactor pkg/util/server to avoid cortexpb import in downstream projects vendoring logql (#4833)	4 years ago
recovery.go	chore: update loki modules for 3.0 release (#12433)	2 years ago
recovery_test.go	chore: update loki modules for 3.0 release (#12433)	2 years ago