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vendor: update buildkit to 2943a0838

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2020-09-19 22:02:46 -07:00
parent 92fb995505
commit c41b006be1
644 changed files with 62146 additions and 21194 deletions
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34
vendor/google.golang.org/grpc/balancer/base/balancer.go generated vendored
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@ -113,10 +113,6 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
if grpclog.V(2) {
grpclog.Infoln("base.baseBalancer: got new ClientConn state: ", s)
}
if len(s.ResolverState.Addresses) == 0 {
b.ResolverError(errors.New("produced zero addresses"))
return balancer.ErrBadResolverState
}
// Successful resolution; clear resolver error and ensure we return nil.
b.resolverErr = nil
// addrsSet is the set converted from addrs, it's used for quick lookup of an address.
@ -144,6 +140,14 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
// The entry will be deleted in HandleSubConnStateChange.
}
}
// If resolver state contains no addresses, return an error so ClientConn
// will trigger re-resolve. Also records this as an resolver error, so when
// the overall state turns transient failure, the error message will have
// the zero address information.
if len(s.ResolverState.Addresses) == 0 {
b.ResolverError(errors.New("produced zero addresses"))
return balancer.ErrBadResolverState
}
return nil
}
@ -213,6 +217,12 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
}
return
}
if oldS == connectivity.TransientFailure && s == connectivity.Connecting {
// Once a subconn enters TRANSIENT_FAILURE, ignore subsequent
// CONNECTING transitions to prevent the aggregated state from being
// always CONNECTING when many backends exist but are all down.
return
}
b.scStates[sc] = s
switch s {
case connectivity.Idle:
@ -221,21 +231,19 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
// When an address was removed by resolver, b called RemoveSubConn but
// kept the sc's state in scStates. Remove state for this sc here.
delete(b.scStates, sc)
case connectivity.TransientFailure:
// Save error to be reported via picker.
b.connErr = state.ConnectionError
}
oldAggrState := b.state
b.state = b.csEvltr.RecordTransition(oldS, s)
// Set or clear the last connection error accordingly.
b.connErr = state.ConnectionError
// Regenerate picker when one of the following happens:
// - this sc became ready from not-ready
// - this sc became not-ready from ready
// - the aggregated state of balancer became TransientFailure from non-TransientFailure
// - the aggregated state of balancer became non-TransientFailure from TransientFailure
// - this sc entered or left ready
// - the aggregated state of balancer is TransientFailure
// (may need to update error message)
if (s == connectivity.Ready) != (oldS == connectivity.Ready) ||
(b.state == connectivity.TransientFailure) != (oldAggrState == connectivity.TransientFailure) {
b.state == connectivity.TransientFailure {
b.regeneratePicker()
}