test: e2e test framework backbone

[chewong]

Signed-off-by: Ernest Wong [email protected]

This PR adds the backbone of the e2e test framework, which is largely based on https://github.com/kubernetes/kubernetes/tree/master/test/e2e/framework.

To try out the framework, run:

 E2E_ARGS=-kubeconfig=<Path to your KUBECONFIG> make test-e2e

~/go/src/github.com/Azure/aad-pod-managed-identity(e2e-backbone*) »
no op
/Library/Developer/CommandLineTools/usr/bin/make test-e2e-run
/Users/ernestwong/go/src/github.com/Azure/aad-pod-managed-identity/hack/tools/bin/ginkgo-v1.15.2 -v -trace \
                -focus="" \
                -skip="" \
                -nodes=3 \
                --noColor=false \
                /Users/ernestwong/go/src/github.com/Azure/aad-pod-managed-identity/bin/e2e.test -- -kubeconfig=/Users/ernestwong/.kube/config
Running Suite: AAD Pod Managed Identity E2E Test Suite
======================================================
Random Seed: 1620165996 - Will randomize all specs
Will run 1 specs

Running in parallel across 3 nodes

May  4 15:06:36.043: INFO: >>> kubeConfig: /Users/ernestwong/.kube/config
May  4 15:06:36.049: INFO: Waiting up to 30m0s for all (but 0) nodes to be schedulable
May  4 15:06:36.250: INFO: Waiting up to 10m0s for all pods (need at least 0) in namespace 'kube-system' to be running and ready
May  4 15:06:36.370: INFO: 19 / 19 pods in namespace 'kube-system' are running and ready (0 seconds elapsed)
May  4 15:06:36.370: INFO: expected 10 pod replicas in namespace 'kube-system', 10 are Running and Ready.
May  4 15:06:36.389: INFO: kube-apiserver version: v1.20.5


May  4 15:06:36.401: INFO: Running AfterSuite actions on all node


May  4 15:06:36.414: INFO: Running AfterSuite actions on all node


Webhook 
  list pods
  /Users/ernestwong/go/src/github.com/Azure/aad-pod-managed-identity/test/e2e/webhook/webhook.go:21

[BeforeEach] Webhook
  /Users/ernestwong/go/pkg/mod/k8s.io/[email protected]/test/e2e/framework/framework.go:174
STEP: Creating a kubernetes client
May  4 15:06:36.399: INFO: >>> kubeConfig: /Users/ernestwong/.kube/config
STEP: Building a namespace api object, basename webhook
May  4 15:06:37.028: INFO: No PodSecurityPolicies found; assuming PodSecurityPolicy is disabled.
STEP: Waiting for a default service account to be provisioned in namespace
[BeforeEach] Webhook
  /Users/ernestwong/go/src/github.com/Azure/aad-pod-managed-identity/test/e2e/webhook/webhook.go:17
[It] list pods
  /Users/ernestwong/go/src/github.com/Azure/aad-pod-managed-identity/test/e2e/webhook/webhook.go:21
May  4 15:06:37.142: INFO: Number of pods in kube-system: 19
[AfterEach] Webhook
  /Users/ernestwong/go/pkg/mod/k8s.io/[email protected]/test/e2e/framework/framework.go:175
May  4 15:06:37.142: INFO: Waiting up to 3m0s for all (but 0) nodes to be ready
STEP: Destroying namespace "webhook-8081" for this suite.

•
------------------------------
May  4 15:06:37.198: INFO: Running AfterSuite actions on all node


Ran 1 of 1 Specs in 1.160 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped


Ginkgo ran 1 suite in 1.194008168s
Test Suite Passed

[aramase]

Was this file test/e2e/.gitkeep meant to be added?