- LE HTTP response status 503 is not an error, it must be handled via sleep and retry
- s. https://community.letsencrypt.org/t/new-service-busy-responses-beginning-during-high-load/184174
fixes #4530
_debug3 _body "$_body"
fi
+ if [ "$code" = '503' ]; then
+ _sleep_overload_retry_sec=3
+ _info "It seems the CA server is currently overloaded, let's wait and retry. Sleeping $_sleep_overload_retry_sec seconds."
+ _sleep $_sleep_overload_retry_sec
+ continue
+ fi
if _contains "$_body" "JWS has invalid anti-replay nonce" || _contains "$_body" "JWS has an invalid anti-replay nonce"; then
_info "It seems the CA server is busy now, let's wait and retry. Sleeping $_sleep_retry_sec seconds."
_CACHED_NONCE=""