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20 Commits

Author SHA1 Message Date
Madhav Jivrajani
9aad6700d5 tests/robustness: add robustness test for watch with PrevKV() 
Kubernetes relies on the PrevKV() option in the watches it opens
against etcd. This commit adds a robustness test to validate the
same.

A watch response returned with PrevKV() is valid if:
The value in current event's prevKV matches the previous
event's value of the same key if this is not a create event.

There are cases where there can be a prevKV for a create event
as well, for example if a watch is opened after the key is creatd.
Since we don't simulate for that, we don't check for that.

Further, this adjusts revision numbers such that we can successfully create
a new replay. Needed now since we will have unit tests with
and without PrevKV co-existing and we requite creation of a
new replay everytime we validate PrevKV.

We also regenerate test data with so that prevKV exists in it

Signed-off-by: Madhav Jivrajani <madhav.jiv@gmail.com>
 2024-02-13 22:55:57 +05:30
Wei Fu
aa97484166 *: enable goimports in verify-lint 
Signed-off-by: Wei Fu <fuweid89@gmail.com>
 2023-09-21 21:14:09 +08:00
Marek Siarkowicz
11da84a1d1 tests/robustness: Implement loading client reports 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-28 15:35:17 +02:00
Marek Siarkowicz
09c462e2ea tests/robustness: Add resumable validation and improve reliable validation 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-26 12:12:39 +02:00
Marek Siarkowicz
26cd2bc017 tests/robustness: Store whole watch operations 
Want to keep watch requests to properly validate reliability of watch
stream.

Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-24 18:15:50 +02:00
Marek Siarkowicz
c3720fac3d tests/robustness: Implement Kubernetes pagination 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-23 09:44:22 +02:00
Marek Siarkowicz
f7831e2607 tests/robustness: Move key into dedicated options to allow to implement proper ranges 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-22 18:27:54 +02:00
Marek Siarkowicz
3f09a51c60 tests/robustness: Make watch event independent from etcd operation 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-22 15:43:27 +02:00
Marek Siarkowicz
1663600bec tests/robustness: Validate stale get requests by replaying etcd state 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-19 14:17:38 +02:00
Marek Siarkowicz
96987d8b5e tests/robustness: Implement stale reads without validation 
For now we just validate stale read revision, but not response content.
Reason is that etcd model only stores latest version of keys, and no
history like real etcd.

Validating stale read contents needs to be done outside of model
as storing whole history is just to costly for linearization validation.

Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-16 21:17:37 +02:00
Marek Siarkowicz
6979318108 tests/robustness: Make Range a proper request type to allow setting Range.Revision != 0 for stale reads 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-14 13:55:45 +02:00
Marek Siarkowicz
974655e02c tests/robustness: Rename operations const to separate from RequestType 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-06-14 13:24:14 +02:00
Marek Siarkowicz
16bf0f6641 tests/robustness: Use traffic.RecordingClient in watch 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-25 22:17:23 +02:00
Marek Siarkowicz
6429f47631 tests/robustness: Validate all etcd watches opened to etcd 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-16 10:28:01 +02:00
Marek Siarkowicz
6e53792568 tests/robustness: Implement Kubernetes optimistic concurrency operations 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-15 13:45:27 +02:00
Marek Siarkowicz
911c40a347 tests/robustness: Implement kubernetes list watch protocol 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-15 10:11:05 +02:00
Bogdan Kanivets
c338882d7a tests/robustness: use monotonic clock for watch events 
see: https://github.com/etcd-io/etcd/pull/15323
For consistency watch events should also use only time-measurement operations.

fixes: https://github.com/etcd-io/etcd/issues/15328
Signed-off-by: Bogdan Kanivets <bkanivets@apple.com>
 2023-05-14 12:58:13 -07:00
Marek Siarkowicz
e9900f6fff tests/robustness: Separate stream id from client id and improve AppendableHistory doc 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-11 21:03:52 +02:00
Marek Siarkowicz
962e15038e tests/robustness: Add safeguards to client and history 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-11 13:12:09 +02:00
Marek Siarkowicz
ad20230e07 test/robustness: Create dedicated traffic package 
Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
 2023-05-09 10:50:13 +02:00