The current implementation does not check for errors, so any failure in
DialFromNode won't float.
Signed-off-by: Federico Paolinelli <fpaoline@redhat.com>
we are missing tests that check the connectivity against services
that have backend pods with hostNetwork: true.
Because the tests run in parallel, it is possible that the pods used as
backends try to bind to the same port, and since all of them use the
host network, the scheduler will fail to create them due to port conflicts,
so we run them serially.
We have to skip networking tests with udp and endpoints using
hostNetwork, because they have a known issue.
NetworkingTest is used to test different network scenarios.
Since new capabilites and scenarios are added, like SCTP or HostNetwork
for pods, we need a way to configure it with minimum disruption and code
changes.
Go idiomatic way to achieve this is using functional options.
A previous commit created a few agnhost related functions that creates agnhost
pods / containers for general purposes.
Refactors tests to use those functions.
test can execute whever hosts have ssh or not
relevant case:
"should be able to up and down services"
"should implement service.kubernetes.io/service-proxy-name"
"should implement service.kubernetes.io/headless"
Since the SCTP module verification tests were added, their result may be affected by
running the SCTPConnectivity tests. For this reason, they are now marked as disruptive.
Signed-off-by: Federico Paolinelli <fpaoline@redhat.com>
Some tests are setting HostNetwork=true, even if it is not required
for them to pass.
This patch will set the HostNetwork to false for those tests, allowing
them to be run on Windows nodes as well.
Ensures that requests that require large packets work properly, and that
they are not dropped.
Adds AgnhostPrivate to test/utils/image/manifest. Some tests are trying to pull
the agnhost image from the private registry, meaning that we would need to
always build and push the agnhost image to both e2e and private registry
whenever we bump its version. Decoupling them would mean that we only need
to push the image to the e2e registry.
This PR moves functions from test/e2e/framework.util.go for making e2e
core framework small and simple:
- RestartKubeProxy: Moved to e2e network package
- CheckConnectivityToHost: Moved to e2e network package
- RemoveAvoidPodsOffNode: Move to e2e scheduling package
- AddOrUpdateAvoidPodOnNode: Move to e2e scheduling package
- UpdateDaemonSetWithRetries: Move to e2e apps package
- CheckForControllerManagerHealthy: Moved to e2e storage package
- ParseKVLines: Removed because of e9345ae5f0
- AddOrUpdateLabelOnNodeAndReturnOldValue: Removed because of ff7b07c43c
Skips IPv6 tests on Windows.
Skips sysctl tests on Windows.
Skips network policy tests on Windows.
Skips RunAsUser / FSGroup / file permissions related tests, as those are
not supported on Windows.
Skips the test "should preserve source pod IP for traffic thru service cluster IP"
on Windows, as it creates a Pod with HostNetwork=true, which is unsupported.
What works and what doesn't work on Windows has been documented here:
https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/conformance-tests.md#windows--linux-considerations
Current IPv6 e2e test for external connectivity is using a
domain address (google.com) as target.
However, the same IPv4 test uses the well known Google DNS address
8.8.8.8.
We should be coherent in the testing, this patch changes the target to use
the Google IPv6 DNS address 2001:4860:4860::8888.
Automatic merge from submit-queue (batch tested with PRs 54572, 54686). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Fix service session affinity e2e failure cases
**What this PR does / why we need it**:
Fix service session affinity e2e failure cases - debuging...
**Which issue this PR fixes**:
xref #54571#54524
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig network
