Qiao Longfei 9045063b53 pserver etcd client (#2559) ... * init etcd cclient * add etcd * add etcd.go * fix compile problem * move code to etcd.go * add etcd_lister.go for pserver client * add etcd_client_test.go * merge etcd_client_test and client_test * refine client_test.go * refine code * format code * add TODO and use interface instead of struct * fix typo of initDesiredPservers * optimize dir structure of go/pserver/client * add a flag to config index for pserver * follow comment * fix path * optimize code * remove err in pserver NewEtcd * restore comment about /ps_desired		8 years ago
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master	Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into cmake_go_vendor	8 years ago
pserver	pserver etcd client (#2559)	8 years ago