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lds,BindConfig: Add "freebind" options to support IP_FREEBIND. #536

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Merged
htuch merged 1 commit into from
Mar 13, 2018
Merged

lds,BindConfig: Add "freebind" options to support IP_FREEBIND. #536

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5 changes: 5 additions & 0 deletions envoy/api/v2/core/address.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,11 @@ message BindConfig {
// The address to bind to when creating a socket.
SocketAddress source_address = 1
[(validate.rules).message.required = true, (gogoproto.nullable) = false];

// [#not-implemented-hide:] Whether to set the IP_FREEBIND option when creating the socket. If
// set, allows the source_address specified to be an address that is not configured on the system
// running Envoy. Defaults to false.
bool freebind = 2;
}

// Addresses specify either a logical or physical address and port, which are
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5 changes: 5 additions & 0 deletions envoy/api/v2/lds.proto
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Expand Up @@ -132,4 +132,9 @@ message Listener {
// case the original source and destination addresses and ports are preserved on accepted
// connections. Requires Envoy to run with the *CAP_NET_ADMIN* capability. Defaults to false.
bool transparent = 10;

// [#not-implemented-hide:] Whether the listener should set the IP_FREEBIND socket option. When
// this flag is set to true listeners can be bound to an IP address that is not configured on the
// system running Envoy. Defaults to false.
bool freebind = 11;
}