Contains checks if a string is in a slice.

EnsureViperSub will return a viper sub if available or create one.

Log returns the SuggardLoggar that can be used accross integrations.

NewHTTPTestServer returns a new httptest.Server with a given handlerFunc.

NoopLog returns a no-op logger, that can be used to supress logging.

ReadKeyFile reads a key file and returns the content.

Retry attempts to execute the given callback function a certain number of times, with a delay between each attempt using a simple exponential backoff algorithm that uses a slight jitter to ensure that retries aren't clustered.

RetryStop wraps the given error in a private retryError type and returns it to signal that a retry loop should stop attempting the operation that produced the given error.

StrPointer returns a pointer to a string.

AuthedTransport is a http.RoundTripper that adds an Authorization header.