grok_exporter

• Kafka tailer #129. Thanks @hartfordfive
• Add max_age config option for configuring sliding window sizes for quantiles #122. Thanks @whoawhoawhoa
• Add json_lines webhook input format #100. Thanks @JensErat
• Bug fix in wildcard validation #127. Thanks @janisz
• Improved error messages

• #117 Support CA certificates for SSL client authentication
• #118 update go.mod and add go.sum
• #103 fix crash on bsd / darwin with go1.14
• #115 fix error handling when log directory cannot be opened
• #96 support value configuration for increasing counter metrics by arbitrary values from the log data
• #95 support extra field containing JSON data to be used in Webhook templates
• #93 support simple array indexes in webhook_json_selector
• add --disable-exporter-metrics command line argument for disabling some built-in metrics

• New config version 3, enable importing external metrics config files.

• make config grok section optional
• remove support for config version 1
• update dependencies

• support multiple log files

• update to Oniguruma 6.9.2
• bugfixes

Bugfix release

• fix memory leak in gsub regular expression matching
• fix infinite loop for regular expressions replacing empty strings with gsub

• make metrics path configurable #34
• fix bug with optional labels #33
• fix freebsd i386 compile error

fail_on_missing_logfile configuration / experimental linux-arm64v8 release

retention, RHEL6 compatibility

• Polling file tailer as workaround for #17
• delete_match and delete_labels config options

better support for Go templates

Use templates for labels and values.

WARNING: This release introduces an incompatible change in the config file. Old config files are still supported, but you should upgrade as soon as possible. grok_exporter can automatically convert old config files to new ones using the -showconfig command line option:

grok_exporter -config ./example/config.yml -showconfig

View the updated documentation of the Metrics Section in CONFIG.md

host option in server config to restrict server to localhost

Make gauge measure the last observed value instead of the sum of all observed values by default (configurable via cumulative).

dependency clean-up

go1.7

First Beta Release.

More stable tailer implementation reading lines from logfiles.

Removed runtime dependency on libonig