tree ed879cd0eba9b65b0ae1d3804ad5244549efeac9
parent 0446fc6401f8da0e9a07f657a982517a148d9da2
author Jacob Kopczynski <jkop@google.com> 1519326630 -0800
committer chrome-bot <chrome-bot@chromium.org> 1519768279 -0800

rpc: Fetch from readonly db during shard heartbeat

Fall back to master if readonly isn't available (mostly during tests)

BUG=chromium:810965
TEST=unit tests

Change-Id: I5442d7b31a79908e12d09a60bed3f42645422ebc
Reviewed-on: https://chromium-review.googlesource.com/938384
Commit-Ready: Jacob Kopczynski <jkop@chromium.org>
Tested-by: Jacob Kopczynski <jkop@chromium.org>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>