"error":"etcdserver: user name is empty","code":3

[OPSTime]

env:
[root@node2 etcd]# uname -a
Linux node2.kafka.soho.pdtv.it 3.10.0-514.2.2.el7.x86_64 #1 SMP Tue Dec 6 23:06:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@node2 etcd]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
[root@node2 etcd]# curl -L http://192.168.1.81:2379/version
{"etcdserver":"3.2.5","etcdcluster":"3.2.0"}

[root@node2 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/user/add" -XPOST -d '{"name":"root","password":"password"}'
[root@node2 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/role/add" -XPOST -d '{"name":"root"}'
[root@node2 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/user/grant" -XPOST -d '{"user":"root","role":"root"}'
[root@node2 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/enable" -XPOST -d '{}'
[root@node2 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/authenticate" -XPOST -d '{"name":"root","password":"password"}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"294"},"token":"uAyDFSPVmiLHbxPw.27"}
[root@node2 etcd]# curl -s -H 'Authorization : uAyDFSPVmiLHbxPw.27' -L http://192.168.1.81:2379/v3alpha/kv/put -X POST -d '{"key": "Zm9v", "value": "YmFy"}'
{"error":"etcdserver: user name is empty","code":3}

debug log:
2017-08-14 19:40:18.766883 [pkg_logger.go:147] D | auth: authorized root, token is uAyDFSPVmiLHbxPw.27

why??

[mitake]

@lyddragon could you try the latest master branch? The problem is already solved in the master.

[zhongjin616]

Yep! the latest master branch(commit fa32a85) has fixed this issue.

$ uname -a

Linux ThinkPad-P50 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[OPSTime]

Success:

[root@node1 etcd]# rm -rf data.etcd/*

[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/version"
{"etcdserver":"3.2.0+git","etcdcluster":"3.2.0"}

[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/user/add" -XPOST -d '{"name":"root","password":"password"}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"4"}}
[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/role/add" -XPOST -d '{"name":"root"}'        
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"4"}}
[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/user/grant" -XPOST -d '{"user":"root","role":"root"}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"4"}}
[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/enable" -XPOST -d '{}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"4"}}
[root@node1 etcd]# curl -s -L "http://192.168.1.81:2379/v3alpha/auth/authenticate" -XPOST -d '{"name":"root","password":"password"}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"1","raft_term":"4"},"token":"owHkwgcIIfrXymbk.14"}
[root@node1 etcd]# curl -s -H 'Authorization : owHkwgcIIfrXymbk.14'  -L "http://192.168.1.81:2379/v3alpha/kv/put" -X POST -d '{"key": "Zm9v", "value": "YmFy"}'
{"header":{"cluster_id":"17195555412678344936","member_id":"8326998383030939542","revision":"2","raft_term":"4"}}
[root@node1 etcd]# curl -s -H 'Authorization : owHkwgcIIfrXymbk.14'  -L "http://192.168.1.81:2379/v3alpha/kv/range" -X POST -d '{"key": "Zm9v"}'|jq
{
  "header": {
    "cluster_id": "17195555412678344936",
    "member_id": "8326998383030939542",
    "revision": "2",
    "raft_term": "4"
  },
  "kvs": [
    {
      "key": "Zm9v",
      "create_revision": "2",
      "mod_revision": "2",
      "version": "1",
      "value": "YmFy"
    }
  ],
  "count": "1"
}