Features

• YAML Configs
  Cloudprober now supports YAML configs. See: [yaml] Add support for reading configs in YAML format #464
• Configuration documentation
  We finally have configuration documentation for Cloudprober at https://cloudprober.org/docs/config/overview. ([docs] Configuration documentation, finally! Woohoo!! #486, announcement).
• Arbitrary gRPC requests in the gRPC probe. ([probe.grpc] Add generic request capability to gRPC probe #470)
• Structured, JSON logs
  Cloudprober logs more machine friendly logs now using the new Go structured logger. ([logger] Revamp logger to use log/slog. #462)
• Reloadable TLS certs. ([tls] Provide an option to reload TLS certificates. #428)
• PagerDuty and Slack notifications support. ([alerting] Add pagerduty notifications  #445, add slack alert implementation #475)
• Cloudprober's journey through an About page: https://cloudprober.org/docs/about/. ([docs] Share Cloudprober's journey through an About page. #439)
• Smaller binary size
  Reduce binary size by disabling gRPC XDS support by default. ([probes.grpc] Disable gRPC XDS support by default. #467)
• Health handler (/health) to serve as the k8s readiness and liveness probes endpoint. (Add a health handler. #435)
• stringSplit config macro. (Adding the stringSplit macro to the Go template component #476)

Bug fixes

• [metrics] Clone latency and other similar metrics. [metrics] Clone latency and other similar metrics #437
• [metrics] In prometheus metrics metadata string, add a space after #. [metrics] Follows the standards prom metrics metadata format with a space after # #471

Internal

• [metrics.Map] Use generics to implement Map. [metrics.Map] Use generics to implement Map #444
• [metrics.latency] Add a new value type LatencyValue. [metrics.latency] Add a new value type LatencyValue #448
• [metrics] Remove (now) unnecessary metric size check. [metrics] Remove (now) unnecessary metric size check. #447
• [config] Refactor config.go to kill unnecessary functions. [config] Refactor config.go to kill unnecessary functions. #461
• [alerting.email] Change config and add more tests. [alerting.email] Change config and add more tests. #472
• [logger] Trim base paths from file and function names [logger] Trim base paths from file and function names #474
• [probestatus] Show debug info only if 'debug' parameter is set. [probestatus] Show debug info only if 'debug' parameter is set #478
• [docs] Make sidebar menu better. [docs] Make sidebar menu better. #483

Build and Testing

• Add flags to generate test reports. Add flags to generate test reports #432
• ...

New Contributors

• @aymeric-ledizes made their first contribution in [metrics] Follows the standards prom metrics metadata format with a space after # #471
• @xenbyte made their first contribution in Adding the stringSplit macro to the Go template component #476

Full Changelog: v0.12.8...v0.12.9