Add dial option to set balancer #1697
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menghanl
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dfawley
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clientconn.go
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| @@ -188,7 +190,7 @@ func WithDecompressor(dc Decompressor) DialOption { | |||
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| // WithBalancer returns a DialOption which sets a load balancer with the v1 API. | |||
| // Name resolver will be ignored if this DialOption is specified. | |||
| // Deprecated: use the new balancer APIs in balancer package instead. | |||
| // Deprecated: use the new balancer APIs in balancer package and WithBalancerName. | |||
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Nit: add a blank comment line above this one so it's its own paragraph.
clientconn.go
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| @@ -206,6 +208,15 @@ func WithBalancerBuilder(b balancer.Builder) DialOption { | |||
| } | |||
| } | |||
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| // WithBalancerName sets the balancer that the ClientConn will be initialized | |||
| // with. The balancer can not be overridden by balancer option specified by | |||
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Nit: "cannot" or "will not".
Also, maybe something like: "Balancers are registered by name using the balancer package" before this sentence?
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menghanl
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dfawley
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clientconn.go
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| // register their balancer and use service config to choose the balancer to use. | ||
| func WithBalancerBuilder(b balancer.Builder) DialOption { | ||
| func withBalancerBuilder(b balancer.Builder) DialOption { |
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Is this getting merged? I could use this feature.. |
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| @@ -670,9 +678,9 @@ func (cc *ClientConn) handleResolvedAddrs(addrs []resolver.Address, err error) { | |||
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| cc.curAddresses = addrs | |||
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@dfawley I updated the following if else while doing a rebase. Please take another look. Thanks!
service config will not override dial option balancer fix comments Add const roundrobin.Name and PickFirstBalancerName. remove WithBalancerBuilder fix tests delete withBalancerBuilder
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And make WithBalancerName panic if no balancer is registered
dfawley
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Dec 15, 2017
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WithBalancerName dial option specifies the name of the balancer to be used by the ClientConn. Service config updates can NOT override the balancer option.
#1694
This change is