This change replaces our previous test helpers for checking cluster capabilities and passing external test parameters. Prior to this change, we always used `$PINNIPED_*` environment variables and these variables were accessed throughout the test code.
The new code introduces a more strongly-typed `TestEnv` structure and helpers which load and expose the parameters. Tests can now call `env := library.IntegrationEnv(t)`, then access parameters such as `env.Namespace` or `env.TestUser.Token`. This should make this data dependency easier to manage and refactor in the future. In many ways this is just an extended version of the previous cluster capabilities YAML.
Tests can also check for cluster capabilities easily by using `env := library.IntegrationEnv(t).WithCapability(xyz)`.
The actual parameters are still loaded from OS environment variables by default (for compatibility), but the code now also tries to load the data from a Kubernetes Secret (`integration/pinniped-test-env` by default). I'm hoping this will be a more convenient way to pass data between various scripts than the local `/tmp` directory. I hope to remove the OS environment code in a future commit.
Signed-off-by: Matt Moyer <moyerm@vmware.com>
- Controller and aggregated API server are allowed to run
- Keep retrying to borrow the cluster signing key in case the failure
to get it was caused by a transient failure
- The CredentialRequest endpoint will always return an authentication
failure as long as the cluster signing key cannot be borrowed
- Update which integration tests are skipped to reflect what should
and should not work based on the cluster's capability under this
new behavior
- Move CreateOrUpdateCredentialIssuerConfig() and related methods
to their own file
- Update the CredentialIssuerConfig's Status every time we try to
refresh the cluster signing key
- Indicate the success or failure of the cluster signing key strategy
- Also introduce the concept of "capabilities" of an integration test
cluster to allow the integration tests to be run against clusters
that do or don't allow the borrowing of the cluster signing key
- Tests that are not expected to pass on clusters that lack the
borrowing of the signing key capability are now ignored by
calling the new library.SkipUnlessClusterHasCapability test helper
- Rename library.Getenv to library.GetEnv
- Add copyrights where they were missing
This switches us back to an approach where we use the Pod "exec" API to grab the keys we need, rather than forcing our code to run on the control plane node. It will help us fail gracefully (or dynamically switch to alternate implementations) when the cluster is not self-hosted.
Signed-off-by: Matt Moyer <moyerm@vmware.com>
Co-authored-by: Ryan Richard <richardry@vmware.com>
- For high availability reasons, we would like our app to scale linearly
with the size of the control plane. Using a DaemonSet allows us to run
one pod on each node-role.kubernetes.io/master node.
- The hope is that the Service that we create should load balance
between these pods appropriately.
