Allow any host when fallback policy fails (#6117)

We use the default subset as our fallback policy. However, if there's
a problem with our metadata it's possible for the default subset
to become empty. In this case, we'd like any host to be selected.

This change adds a panic_mode_any boolean option to LbSubsetConfig
to enable this behavior.

Signed-off-by: Raul Gutierrez Segales <rgs@pinterest.com>

Mirrored from https://github.com/envoyproxy/envoy @ 718682f22bdb548624df076813208660fb928188
pull/620/head
data-plane-api(CircleCI) 6 years ago
parent 427bb19122
commit 178d1ca6ac
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