Table of Contents

1.3.0 - 2021/05/27

Fix exporter to attach subsystem label to memory stats #118
Expose dataplane status on control plane, new metrics data_plane_last_seen, data_plane_config_hash and data_plane_version_compatible are added. #98

1.2.1 - 2021/04/15

Fix an issue where the Content-Length header could be potentially mispelled #124

1.2.0 - 2021/03/24

Fix an issue where there's no stream listener or stream API is not available, /metrics endpoint may timeout #108
Export per-consumer status #115 (Thanks, samsk!)

1.1.0 - 2021/03/03

Export Kong Enterprise Edition licensing information. #110

1.0.0 - 2020/08/20

Change handler to use Kong PDK function kong.log.serialize instead of using a deprecated basic serializer.

0.9.0 - 2020/06/17

Expose healthiness of upstream targets (Thanks, carnei-ro!) #88
Fix a typo on the dashboard (Thanks, Monska85!)

0.8.0 - 2020/04/24

Expose the prometheus object for custom metrics #78
Significant performance enhancements; expect manifolds improvements in Kong's throughput while using the plugin and reduction in CPU usage while memory usage is expected to go up. #79

0.7.1 - 2020/01/05

Fix full_metric_name function was not accessible
Fix linting issues

0.7.0 - 2019/12/04

Performance improvements: Reduced the number of writes (and hence locks) to the shared dictionary using lua-resty-counter library. (Status API is being shipped with Kong 1.4). #69
Update schema for the plugin for Kong 2.0 compatibility #72

0.6.0 - 2019/09/29

Metrics on Status API: Metrics are now be available on the Status API (Status API is being shipped with Kong 1.4). #66

0.5.0 - 2019/09/16

Route based metrics: All proxy metrics now contain a tag with the name or ID of the route. #40
New metrics releated to Kong's memory usage: New metrics related to Kong's shared dictionaries and Lua VMs are now available #62:
- per worker Lua VM allocated bytes (kong_memory_workers_lua_vms_bytes)
- shm capacity and bytes allocated (kong_memory_lua_shared_dict_bytes and kong_memory_lua_shared_dict_total_bytes)
Performance has been improved by avoiding unnecessary timer creation. This will lower the impact of the plugin on Kong's overall latency. #60
Tests to ensure gRPC compatibility have been added. #57

0.4.1 - 2019/08/01

Fix issue where the plugin's shared dictionary would not be properly initialized

0.4.0 - 2019/06/05

Remove BasePlugin inheritance (not needed anymore)

0.3.4 - 2018/12/17

Drop the use of kong.tools.responses module for Kong 1.0 compatibility. #34

0.3.3 - 2018/12/14

Do not attempt to send HTTP status code after the body has been sent while serving /metrics. This would result in error being logged in Kong. #33

0.3.2 - 2018/11/01

Fix a nil pointer de-reference bug when no routes are matched in Kong. #28

0.3.1 - 2018/10/17

Fix bugs introduced in 0.3.0 due to incorrect PDK function calls Thank you @kikito for the fix! #26

0.3.0 - 2018/10/15

This release has no user facing changes but has under the hood changes for upcoming Kong 1.0.0 release.
Migrated schema and API endpoint of the plugin to the new DAO and use PDK functions where possible. Thank you @kikito for the contribution! #24

0.2.0 - 2018/09/24

⚠️ Dropped metrics that were aggregated across services in Kong. These metrics can be obtained much more efficiently using queries in Prometheus. #8

0.1.0 - 2018/06/15

Initial release of Prometheus plugin for Kong.