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186 Commits

Author SHA1 Message Date
Gyu-Ho Lee
0199bdc266 *: fix 'ineffassign' issues 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-10-03 10:14:33 -07:00
Hitoshi Mitake
e8c18e3368 proxy: handle authed snapshot request in grpcproxy 
Like the previous commit 10f783efdd12, this commit lets grpcproxy
forward an auth token supplied by its client in an explicit
manner. snapshot is a stream RPC so this process is required like
watch.
 2017-09-20 15:27:27 +09:00
Hitoshi Mitake
94b5071c30 etcdmain, proxy: handle authed watch in grpcproxy 
This commit lets grpcproxy handle authed watch. The main changes are:
1. forwrading a token of a new broadcast client
2. checking permission of a new client that participates to an
   existing broadcast
 2017-09-20 15:27:26 +09:00
Hitoshi Mitake
e709f83253 etcdmain, proxy: support authed RPCs with grpcproxy 
This commit lets grpcproxy support authed RPCs. Auth tokens supplied
by clients are now forwarded to etcdserver by grpcproxy.
 2017-09-20 11:14:45 +09:00
Anthony Romano
7f4464415a grpcproxy: respect KeysOnly flag 
Fixes #8478
 2017-09-13 09:57:08 -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
Gyu-Ho Lee
f8141db2c7 proxy/grpcproxy: implement LeaseLeases API 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-08-14 14:18:56 -07:00
Anthony Romano
6a4194c556 grpcproxy: forward PrevKv flag in Put 2017-08-03 21:38:20 -07:00
Gyu-Ho Lee
cd37ef2c1b *: expose etcdhttp.Health, define proxy health handler 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-07-31 14:07:54 -07:00
Gyu-Ho Lee
8a589d2d73 grpcproxy/cluster_test: serve grpc server after register service 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-07-27 10:47:24 -07:00
Xiang Li
2a348fb8e9 Merge pull request #8263 from fanminshi/hash_by_rev 
api: hash by rev
 2017-07-26 11:22:33 -07:00
fanmin shi
a6ae677d8f proxy: support HashKV in grpcproxy 2017-07-25 17:00:56 -07:00
Anthony Romano
9581f7676c grpcproxy: forward Canceled field when broadcasting watch responses 2017-07-25 12:36:01 -07:00
Xiang Li
fe33bd1879 Merge pull request #8294 from mitake/proxy-cachemiss 
proxy: don't inc a cache miss count in a case of linearizable range
 2017-07-24 20:47:19 -07:00
Anthony Romano
1dcae41b20 grpcproxy: return nil on receiving snapshot EOF 
Gets "code = OutOfRange desc = EOF" errors otherwise.
 2017-07-21 11:00:22 -07:00
Hitoshi Mitake
488df4db34 proxy: don't inc a cache miss count in a case of linearizable range 
Requests of linearizable range don't touch the cache of grpcproxy. So
incrementing the miss count wouldn't be meaningful.
 2017-07-20 21:51:10 -07:00
Gyu-Ho Lee
3e263d5a4d proxy/*: add 'MoveLeader' RPC 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-06-23 12:51:27 -07:00
Anthony Romano
f465e3ea8a grpcproxy: support nested txns 2017-06-21 14:33:15 -07:00
Xiang Li
a65e3c69a6 Merge pull request #8122 from yudai/fast_fail_proxy 
grpcproxy: Disable fast fail on lease grant call to cluster
 2017-06-19 15:04:25 -07:00
Iwasaki Yudai
df2cc4bc8c grpcproxy: Disable fast fail on lease grant call to cluster 
Problem Observed
----------------

When there is no etcd process behind the proxy,
clients repeat resending lease grant requests without delay.
This behavior can cause abnormal resource consumption on CPU/RAM and
network.

Problem Detail
--------------

`LeaseGrant()` uses a bare protobuf client to forward requests.
However, it doesn't use `grpc.FailFast(false)`, which means the method returns
an `Unavailable` error immediately when no etcd process is available.
In clientv3, `Unavailable` errors are not considered the "Halt" error,
and library retries the request without delay.
Both clients and the proxy consume much CPU cycles to process retry requests.

Resolution
----------

Add `grpc.FailFast(false))` to `LeaseGrant()` of the `leaseProxy`.
This makes the proxy not to return immediately when no etcd process is
available. Clients will simply timeout requests instead.
 2017-06-16 15:09:05 -07:00
Anthony Romano
aeb2dc03aa grpcproxy: invalidate cache on comparison range 2017-06-16 12:13:27 -07:00
Gyu-Ho Lee
5e059fd8dc *: use metadata Incoming/OutgoingContext 
Fix https://github.com/coreos/etcd/issues/7888.

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-06-15 16:41:23 -07:00
Nikola Kovacs
66687da3ba *: grammar fixes, it's -> its 2017-06-15 18:23:16 +02:00
Anthony Romano
5bb0a091fc adapter: auth server to client adapter 2017-06-09 09:36:16 -07:00
Anthony Romano
33c375dc44 *: fill out blank package godocs 
Mostly one-liner short descriptions, but also includes some typo fixes
and some examples.
 2017-05-18 09:41:13 -07:00
Anthony Romano
5bd9b9614f tcpproxy: display endpoints, not pointers, in ready to proxy string 
The switch to *net.SRV for endpoints caused the ready string to emit
pointers instead of endpoint strings.

Fixes #7942
 2017-05-17 10:51:35 -07:00
Anthony Romano
713e006bc6 adpater: adapters for lock and election services 2017-05-10 12:51:05 -07:00
Anthony Romano
fd01db9e60 grpcproxy, etcdmain: add lock and election services to proxy 2017-05-10 12:19:09 -07:00
Anthony Romano
c232814003 etcdmain, tcpproxy: srv-priority policy 
Adds DNS SRV weighting and priorities to gateway.

Partially addresses #4378
 2017-05-08 11:35:18 -07:00
Anthony Romano
6dd8fb6f24 Revert "Merge pull request #7732 from heyitsanthony/lease-err-ka" 
This reverts commit fbbc4a4979b256125d2238f6325ad86e7f1b58bd, reversing
changes made to f254e383859a2939d5929346f6595549f424f7c5.

Fixes #7851
 2017-05-02 09:36:16 -07:00
Anthony Romano
b5384ac1c0 grpcproxy: use new lease interface 2017-04-24 23:49:44 -07:00
Gyu-Ho Lee
7adf4d7c94 grpcproxy/adapter: add Cluster API support 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-04-04 08:13:30 -07:00
Gyu-Ho Lee
5c642ae314 grpcproxy/adapter: add maintenance API support 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-03-28 09:09:06 -07:00
Gyu-Ho Lee
caa73c176f proxy/grpcproxy: add chanStream helper 
Prelimiary work for maintenance API in adapter

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-03-27 11:24:02 -07:00
Anthony Romano
b2a465e354 grpcproxy/cache: only check compaction revision for historical revisions 
Since the current revision is 0, it'll always be less than the compaction
revision. If the proxy sees a compaction, it would always reject the
current revision requests since it's less than the compaction revision.
Instead, check if the revision is historical before trying to reject on
compaction revision.

Fixes #7599
 2017-03-24 13:20:46 -07:00
Anthony Romano
b025cdd097 adapter, integration: split out grpc adapters from grpcproxy package 
Break cyclic dependency:
clientv3/naming <-> integration <-> v3client <-> grpcproxy <-> clientv3/naming
 2017-03-13 15:23:26 -07:00
Gyu-Ho Lee
f862b47e92 grpcproxy: configure register to Cluster API 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-03-09 02:40:13 -08:00
Anthony Romano
28e9ba365a grpcproxy: return closing error when stream is canceled from conn close 
Fixes #6630
 2017-03-01 16:46:13 -08:00
Gyu-Ho Lee
72a531e8b2 grpcproxy: add 'register' address 
For https://github.com/coreos/etcd/issues/6902.
 2017-02-22 16:47:48 -08:00
Anthony Romano
25403970f5 Merge pull request #7361 from heyitsanthony/fix-gateway-goroutine 
tcpproxy: don't use range variable in reactivate goroutine
 2017-02-21 13:26:53 -08:00
Anthony Romano
8b097f279d tcpproxy: don't use range variable in reactivate goroutine 
Ends up trying to reactivate only the last endpoint.
 2017-02-21 12:39:49 -08:00
Anthony Romano
29a6fd65ad grpcproxy: only return ctx error in chan stream if recvc is empty 
Since select{} won't prioritize, ctx.Done() can sometimes override
a pending message on recvc. Loop if recvc has messages instead.

Fixes #7340
 2017-02-21 10:53:58 -08:00
fanmin shi
ba52bd07ba grpcproxy: add lease coalescing support 2017-02-16 11:50:50 -08:00
fanmin shi
05b82f2022 grpcproxy: refactor chan stream out of watch_client_adapter 2017-02-16 11:41:21 -08:00
Anthony Romano
80de75431e grpcproxy: support forcing leader as available 
Leadership timeout can sometimes take too long, such as in test cases.
However, it is possible to infer a leader is available based on RPCs
that must go through consensus. Therefore, have a way to update the
leadership status off the watch path.
 2017-02-15 16:49:41 -08:00
Anthony Romano
36f5b713bf grpcproxy: don't wait for ctx.Done() to close kv donec 
Causes a goroutine leak in ActiveConnection.Close() tests. Channel is
vestigial since removing ccache; revisit if kv ever needs goroutines.
 2017-02-15 00:16:25 -08:00
Anthony Romano
49a0a63fc3 grpcproxy: split out leadership detection code 
Move out of watch code since will be shared with lease code. Also assumes
leader does not exist unless watch can be successfully created.
 2017-02-15 00:16:25 -08:00
Anthony Romano
853f68071b grpcproxy: respect CompactRevision in watcher 
CompactRevision wasn't sent over watch stream, causing TestKVCompact to hang.
 2017-02-13 15:43:41 -08:00
Anthony Romano
c22ba766d5 grpcproxy: support CountOnly 
TestKVRange from client integration tests was failing.
 2017-02-10 16:06:24 -08:00