func()

in ecr-login/api/client.go [161:183]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func (c *defaultClient) GetPublicCredentials() (*Auth, error) {
	cachedEntry := c.credentialCache.GetPublic()
	if cachedEntry != nil {
		if cachedEntry.IsValid(time.Now()) {
			logrus.WithField("registry", ecrPublicName).Debug("Using cached token")
			return extractToken(cachedEntry.AuthorizationToken, cachedEntry.ProxyEndpoint)
		}
		logrus.
			WithField("requestedAt", cachedEntry.RequestedAt).
			WithField("expiresAt", cachedEntry.ExpiresAt).
			Debug("Cached token is no longer valid")
	}

	auth, err := c.getPublicAuthorizationToken()
	// if we have a cached token, fall back to avoid failing the request. This may result an expired token
	// being returned, but if there is a 500 or timeout from the service side, we'd like to attempt to re-use an
	// old token. We invalidate tokens prior to their expiration date to help mitigate this scenario.
	if err != nil && cachedEntry != nil {
		logrus.WithError(err).Info("Got error fetching authorization token. Falling back to cached token.")
		return extractToken(cachedEntry.AuthorizationToken, cachedEntry.ProxyEndpoint)
	}
	return auth, err
}