Simple test for machinepool

[shyamradhakrishnan]

What this PR does / why we need it:
Initial set of e2e for machinepool

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #91 except for instance config upgrade for which new issue will be opened

[shyamradhakrishnan]

e2e test

• [SLOW TEST:816.145 seconds]
Workload cluster creation
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:50
  Machine Pool - Simple
  /home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:517
------------------------------
STEP: Tearing down the management cluster


Ran 1 of 22 Specs in 937.921 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 21 Skipped

[shyamradhakrishnan]

unit test

setting up env vars
?   	github.com/oracle/cluster-api-provider-oci	[no test files]
ok  	github.com/oracle/cluster-api-provider-oci/api/v1beta1	0.666s	coverage: 18.7% of statements
?   	github.com/oracle/cluster-api-provider-oci/cloud/config	[no test files]
ok  	github.com/oracle/cluster-api-provider-oci/cloud/ociutil	0.377s	coverage: 25.0% of statements
ok  	github.com/oracle/cluster-api-provider-oci/cloud/scope	176.839s	coverage: 73.9% of statements
?   	github.com/oracle/cluster-api-provider-oci/cloud/scope/mocks	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/compute	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/compute/mock_compute	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/computemanagement	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/identity	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/identity/mock_identity	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/networkloadbalancer	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/networkloadbalancer/mock_nlb	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/vcn	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/vcn/mock_vcn	[no test files]
ok  	github.com/oracle/cluster-api-provider-oci/controllers	27.834s	coverage: 71.0% of statements
?   	github.com/oracle/cluster-api-provider-oci/exp/api/v1beta1	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/exp/controllers	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/feature	[no test files]

[shyamradhakrishnan]

All e2e test passed except ccm test which failed due to public ip limit

• [SLOW TEST:633.509 seconds]
Workload cluster creation
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:50
  ClusterClass - with 1 control-plane nodes and 1 worker nodes [PRBlocking]
  /home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:471
------------------------------
STEP: Tearing down the management cluster



Summarizing 1 Failure:

[Fail] Workload cluster creation [It] Cloud Provider OCI testing [PRBlocking]
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/ccm_helpers.go:83

Ran 5 of 22 Specs in 1536.935 seconds
FAIL! -- 4 Passed | 1 Failed | 0 Pending | 17 Skipped

Completed on retry with private ip

• [SLOW TEST:765.555 seconds]
Workload cluster creation
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:50
  Cloud Provider OCI testing [PRBlocking]
  /home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:202
------------------------------
STEP: Tearing down the management cluster


Ran 1 of 22 Specs in 882.970 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 21 Skipped