Pericles Theodorou

Fix pointer error

1

## Description `logrus_sentry.NewSentryHook` returns a pointer to a `SentryHook`. Simply passing a malformed DSN will result in `SentryHook` being `nil` which we then call `hook.Timeout` resulting in a pointer dereference...

Validate naming

4

👋 everyone, Related to https://github.com/discourse/prometheus_exporter/issues/292 I've opened an MR that validates the [naming expectations](https://prometheus.io/docs/concepts/data_model/#metric-names-and-labels) of Prometheus before sending the event. I'm returning `false` for now but I am open to...

👋 people, Recently we run into a scenario where a metric name we created contained [invalid characters](https://prometheus.io/docs/concepts/data_model/#metric-names-and-labels), specifically it contained a hyphen such as `"http_response_#{external_name}"` where `external_name` is an input...