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33 Commits

Author SHA1 Message Date
Gyuho Lee
08da08bb19 clientv3: clarify retry function names, do not retry on dial error 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-06-15 13:41:28 -07:00
Joe Betz
55ef9cc1d0 clientv3: Add auth retry to retry interceptor 2018-06-15 13:41:28 -07:00
Joe Betz
a5b2fb5563 clientv3: Introduce custom retry interceptor based on go-grpc-middleware/retry 2018-06-15 13:41:28 -07:00
Joe Betz
6080fa1270 clientv3: Integrate new grpc load balancer interface with etcd client 2018-06-15 13:41:28 -07:00
Gyuho Lee
3aa5711dca clientv3: move health balancer to "balancer" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-03-19 15:16:11 -07:00
Gyuho Lee
1f016f3b96 clientv3: use "pkg/logger" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-02-05 13:40:58 -08:00
Sahdev P. Zala
3b7e2ce0ca StatusFromError: handle return value of the function 
status.FromError can return nil, false. We are handling the return values
most places in code but some places we aren't. Fixing it herewith.

Fixes #9117
 2018-01-08 22:28:20 -05:00
Gyu-Ho Lee
255476b5e5 clientv3/retry: clean up retryRPCFunc 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-12-20 12:30:33 -08:00
Gyu-Ho Lee
805bcc828c clientv3: simplify V(4) logger with Lvl(4) 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-12-05 18:48:36 -08:00
Gyu-Ho Lee
c669ff9765 clientv3: retry mutable ops on "no connection available" 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-11-10 15:40:06 -08:00
Gyu-Ho Lee
725df70664 clientv3: only stop if EtcdError code is not Unavailable, retry with more error codes 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-22 17:54:14 -07:00
Gyu-Ho Lee
54ef60d033 clientv3: remove redundant retries in Auth, set FailFast=true 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 16:03:12 -07:00
Gyu-Ho Lee
141170c1d4 clientv3: remove redundant retries in Maintenance, set FailFast=true 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 16:01:50 -07:00
Gyu-Ho Lee
c09a89d834 clientv3: remove redundant retries in Cluster, set FailFast=true 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 16:00:45 -07:00
Gyu-Ho Lee
fecd26f141 clientv3: rename to isRepeatableStopError, isNonRepeatableStopError 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 15:58:12 -07:00
Gyu-Ho Lee
b46ab2c36e clientv3: remove redundant retries in KV, set FailFast=true 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 15:57:10 -07:00
Gyu-Ho Lee
f95f865060 clientv3: unexport pb.LeaseClient in lease client 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 15:02:19 -07:00
Gyu-Ho Lee
87fe8c12ae clientv3: rename to repeatableRetry in lease client 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 14:58:54 -07:00
Gyu-Ho Lee
29aa4ce2a1 clientv3: remove redundant retries in Lease, set FailFast=true 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 14:53:01 -07:00
Gyu-Ho Lee
2540859ee7 clientv3: separate readyWait for ConnectNotify 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 13:07:22 -07:00
Gyu-Ho Lee
1549403dd2 clientv3: clean up logging, clarify var/field names 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-19 12:33:25 -07:00
Gyu-Ho Lee
fbed568b6a clientv3/balancer: mark partitioned member as unhealthy 
Previous behavior is when server returns errors, retry
wrapper does not do anything, while passively expecting
balancer to gray-list the isolated endpoint. This is
problematic when multiple endpoints are passed, and
network partition happens.

This patch adds 'endpointError' method to 'balancer' interface
to actively(possibly even before health-check API gets called)
handle RPC errors and gray-list endpoints for the time being,
thus speeding up the endpoint switch.

This is safe in a single-endpoint case, because balancer will
retry no matter what in such case.

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-09 13:40:03 -07:00
Gyu-Ho Lee
bed5f388a8 clientv3: add pinned() method to 'balancer' 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-06 15:28:21 -07:00
Gyu-Ho Lee
1c6fbcd3d0 clientv3: add debugging lines to 'retry' paths 
Helpful for debugging client balancer.

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-06 10:13:25 -07:00
Gyu-Ho Lee
a439095697 clientv3: wait for ConnectNotify before sending RPCs 
With slow CPU, gRPC can lag behind with RPCs being sent before
calling 'Up', returning 'no address available' on the first try.

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-09-27 13:12:08 -07:00
Anthony Romano
efd7800e0f clientv3: try next endpoint point on unavailable error 2017-09-16 13:55:39 -07:00
Gyu-Ho Lee
6f76d52a1a *: deprecate grpc.Code, grpc.ErrorDesc 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-09-11 09:28:56 -07:00
Gyu-Ho Lee
f65aee0759 *: replace 'golang.org/x/net/context' with 'context' 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-09-07 13:39:42 -07:00
Anthony Romano
4669aaa9a2 clientv3: only retry mutable KV RPCs if no endpoints found 
Was retrying when it shouldn't, causing multiple puts
 2017-08-01 12:55:51 -07:00
Hitoshi Mitake
d431b64d97 etcdserver, clientv3: handle a case of expired auth token 
This commit adds a mechanism of handling a case of expired auth token
to clientv3. If a server returns an error code
grpc.codes.Unauthenticated, newRetryWrapper() tries to get a new token
and use it as an option of PerRPCCredential.

Fixes https://github.com/coreos/etcd/issues/7012
 2017-01-12 11:49:02 +09:00
Xiang Li
81f151eed2 clientv3: fix retry logic 
1. Balancer should setup gRPC error code correctly for retry.

2. We should not mask context error.
 2016-10-22 22:15:43 -07:00
Anthony Romano
267063efd0 clientv3: use grpc codes to translate raw grpc errors 2016-08-26 09:22:09 -07:00
Anthony Romano
3eadf964f4 clientv3: use failfast and retry wrappers for at-most-once rpcs 2016-08-16 10:49:50 -07:00