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clientv3: Upgrade to round robin balancer based on gRPC 1.12 balancer API #9860

Merged
merged 39 commits into from
Jun 16, 2018
Merged

clientv3: Upgrade to round robin balancer based on gRPC 1.12 balancer API #9860

merged 39 commits into from
Jun 16, 2018

Commits on Jun 15, 2018

  1. vendor: upgrade "grpc/grpc-go" to v1.11.1 

    Signed-off-by: Gyuho Lee <[email protected]>
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  2. clientv3/balancer: initial commit 

    Signed-off-by: Gyuho Lee <[email protected]>
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  3. *: introduce mock server for testing load balancing and add a simple … 

    …happy-path load balancer test

Author:    Joe Betz <[email protected]>
Date:      Wed Mar 28 15:51:33 2018 -0700
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  4. pkg/mock/mockserver: support restart 

    Signed-off-by: Gyuho Lee <[email protected]>
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  5. clientv3/balancer: use new mock server in tests 

    Signed-off-by: Gyuho Lee <[email protected]>
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  6. clientv3/balancer: add more failover tests with resolver 

    Signed-off-by: Gyuho Lee <[email protected]>
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  7. clientv3/balancer: add "TestRoundRobinBalancedPassthrough" (WIP) 

    Signed-off-by: Gyuho Lee <[email protected]>
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  8. clientv3/balancer: add endpoints resolver

    @jpbetz @gyuho
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  9. clientv3: add load balancer unix socket test

    @jpbetz @gyuho
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  10. clientv3: Integrate new grpc load balancer interface with etcd client

    @jpbetz @gyuho
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  11. clientv3: Fix new load balancer integration issues

    @jpbetz @gyuho
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  12. vendor: upgrade grpc/grpc-go to v1.11.3

    @jpbetz @gyuho
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  13. clientv3: Split out grpc balancer builder to ensure there is a balanc… 

    …er per ClientConn
    @jpbetz @gyuho
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  14. clientv3: Fix dialer for new balancer to correctly handle first are a… 

    …s endpoint, not hostname
    @jpbetz @gyuho
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  15. clientv3: dial with context when creating authenticator 

    Otherwise, "grpc.Dial" blocks when "grpc.WithTimeout" dial
option gets deprecated.

Signed-off-by: Gyuho Lee <[email protected]>
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  16. clientv3: pass "grpc.WithBlock" on "TestDialTimeout" 

    Otherwise, grpc.DialContext would just return before
connection is up.

Signed-off-by: Gyuho Lee <[email protected]>
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  17. clientv3: deprecate "grpc.WithTimeout" in favor of "grpc.DialContext" 

    "grpc.WithTimeout" dial option is being deprecated.

Signed-off-by: Gyuho Lee <[email protected]>
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  18. clientv3: Avoid timeouts in ordering test

    @jpbetz @gyuho
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  19. clientv3: Fix auth client to use endpoints instead of host when diali… 

    …ng, fix tests to block on dial when required.
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  20. clientv3: Fix dial calls to consistently use endpoint resolver, attem… 

    …pt to deflake alarm test
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  21. clientv3: Fix TLS test failures by returning DeadlineExceeded error f… 

    …rom dial without any additional wrapping
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  22. clientv3: Fix endpoint resolver to create a new resolver for each grp… 

    …c client connection
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  23. clientv3: Stop expecting retry in integration tests with new grpc bal… 

    …ancer
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  24. clientv3: remove unused "dialerrc" 

    Signed-off-by: Gyuho Lee <[email protected]>
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  25. clientv3: Introduce custom retry interceptor based on go-grpc-middlew… 

    …are/retry
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  26. vendor: add "go-grpc-middleware/util/backoffutils" 

    Signed-off-by: Gyuho Lee <[email protected]>
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  27. clientv3: Add auth retry to retry interceptor

    @jpbetz @gyuho
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  28. integration: Fix unit test failures from new grpc LB changes, fix bom

    @jpbetz @gyuho
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  29. clientv3/integration: Add err check to TestDialTLSNoConfig to prevent… 

    … nil pointer dereference on c.Close()
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  30. *: fix fmt tests, reenable "testEmbedEtcdGracefulStop" 

    Signed-off-by: Gyuho Lee <[email protected]>
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  31. clientv3: put "defaultCallOpts" back to "Client" object 

    Signed-off-by: Gyuho Lee <[email protected]>
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  32. clientv3: clarify retry function names, do not retry on dial error 

    Signed-off-by: Gyuho Lee <[email protected]>
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  33. clientv3: add "zap.Config" to replace global logger 

    Signed-off-by: Gyuho Lee <[email protected]>
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  34. clientv3: add "IsConnCanceled", deprecate "grpc.ErrClientConnClosing" 

    Signed-off-by: Gyuho Lee <[email protected]>
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  35. grpcproxy: fix "grpc.ErrClientConnClosing" handling 

    Fix

```
go test -v -tags cluster_proxy -run TestWatchErrConnClosed
```

with gRPC >= v1.10

Signed-off-by: Gyuho Lee <[email protected]>
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  36. vendor: Bump to grpc v1.12.2

    @jpbetz @gyuho
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  37. docs: Add client architecture doc

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  38. clientv3: Enable balancer logging if ETCD_CLIENT_DEBUG environment va… 

    …riable is set
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  39. CHANGELOG: Add PR and issue links for new client balancer

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