Retry heartbeat after initial service registration #247
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For #225
Sending a heartbeat to a not-yet registered service fails on both the
discovery/consul
anddiscovery/etcd
backends. Previously we'd catch the error, register the service, and return so that we'd send a passing heartbeat on the next health check poll. This change retries the heartbeat on the newly registered service so that we become healthy more quickly.cc @misterbisson @jasonpincin @justenwalker