Old etcdserver which have not apply pr of #12165 will check auth token
even if the request is an Authenticate request.
If the client has a invalid auth token, it will not able to update it's
token, since the Authenticate has a invalid auth token.
This fix clear the auth token when encounter an ErrInvalidAuthToken to
talk with old version etcd servers.
Fix#12385 with #12165 and #12264
instead of v3.0.0-000101010000000-00000000000,
that might be misleading as we don't develop etcd v3.0.0 any longer.
This version is a virtual version and is not supposed to be tagged
within the repository. We should tag real versions like: 3.5.0-alpha.0.
Please notice that go.etcd.io/etcd/client/v2 will be versioned as `v2.305.0-pre`.
The reason is that client v2 must have v2 version. I propose a
convention to envode the major version as 100x in minor version to make
the association to the underlying repository clear, staying within v2
version family.
The change was generated using:
```
DRY_RUN=false TARGET_VERSION="v3.5.0-pre" ./scripts/release_mod.sh update_versions
```
Examplar invocations:
Edit go.mod files such that all etcd modules are pointing on given version:
```
% DRY_RUN=false TARGET_VERSION="v3.5.13" ./scripts/release_mod.sh update_versions
```
Tag latest commit with current version number for all the modules and push upstream:
```
% DRY_RUN=true REMOTE_REPO="origin" ./scripts/release_mod.sh push_mod_tags
```
* Turn off checking of format of commit message.
* scripts/fix.sh: Fix fixing whitespaces in *.sh scripts
Aparently there is a difference between:
find ./ -print0 -name *.sh and
find ./ -name *.sh -print0
* etcdserver unit tests: Do not call .Fatalf(...) from not test's goroutine.
Fixes following test failures:
https://travis-ci.com/github/etcd-io/etcd/jobs/425920416
```
% (cd server && go vet ./...)
stderr: # go.etcd.io/etcd/server/v3/etcdserver
stderr: etcdserver/server_test.go:1002:4: call to (*T).Fatalf from a non-test goroutine
stderr: etcdserver/server_test.go:1166:4: call to (*T).Fatalf from a non-test goroutine
FAIL: (code:2):
% (cd server && go vet ./...)
FAIL: 'run go vet ./...' checking failed (!=0 return code)
FAIL: 'govet' failed at Tue Nov 3 04:07:47 UTC 2020
```
Use golang.org/x/sys/unix for F_OFD_* constants.
This fixes the issue that F_OFD_GETLK was defined incorrectly,
resulting in bugs such as https://github.com/moby/moby/issues/31182
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
