mysqld_exporter 0.13.0

[Ben Kochie]

We're happy to announce the mysqld_exporter 0.13.0. This release includes a number of features and bug fixes.

You can download it from the usual location on GitHub

https://github.com/prometheus/mysqld_exporter/releases/tag/v0.13.0

Release notes:

BREAKING CHANGES:

Changes related to `replication_group_member_stats` collector:
* metric "transaction_in_queue" was Counter instead of Gauge
* renamed 3 metrics starting with `mysql_perf_schema_transaction_` to start with `mysql_perf_schema_transactions_` to be consistent with column names
* exposing only server's own stats by matching MEMBER_ID with @@server_uuid resulting "member_id" label to be dropped.

Changes:

* [CHANGE] Switch to go-kit for logs. #433
* [FEATURE] Add `tls.insecure-skip-verify` flag to ignore tls verification errors #417
* [FEATURE] Add collector for AWS Aurora information_schema.replica_host_status #435
* [FEATURE] Add collector for `replication_group_members` #459
* [FEATURE] Add new metrics to `replication_group_member_stats` collector to support MySQL 8.x. #462
* [FEATURE] Add collector for `performance_schema.memory_summary_global_by_event_name` #515
* [FEATURE] Support authenticating using mTLS client cert and no password #539
* [FEATURE] Add TLS and basic authentication #522
* [ENHANCEMENT] Support heartbeats in UTC #471
* [ENHANCEMENT] Improve parsing of boolean strings #548
* [BUGFIX] Fix binlog metrics on mysql 8.x #419
* [BUGFIX] Fix output value of wsrep_cluster_status #473
* [BUGFIX] Fix collect.info_schema.innodb_metrics for new field names (mariadb 10.5+) #494
* [BUGFIX] Fix log output of collect[] params #505
* [BUGFIX] Fix collect.info_schema.innodb_tablespaces for new table names #516
* [BUGFIX] Fix innodb_metrics for mariadb 10.5+ #523
* [BUGFIX] Allow perf_schema.memory summary current_bytes to be negative #517