Cluster identity implementation

[shyamradhakrishnan]

What this PR does / why we need it:

Cluster identity implementation

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 #203

[shyamradhakrishnan]

unit tests

/Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/bin/controller-gen "crd" \
		rbac:roleName=manager-role webhook \
		paths="./api/..." \
		paths="./exp/api/..." \
		output:crd:artifacts:config=config/crd/bases
/Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/bin/controller-gen object:headerFile="hack/boilerplate.go.txt" paths="./api/..." paths="./exp/api/..."
go fmt ./...
go vet ./...
mkdir -p /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin
test -f /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin/setup-envtest.sh || curl -sSLo /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/v0.8.3/hack/setup-envtest.sh
source /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin/setup-envtest.sh; fetch_envtest_tools /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin; setup_envtest_env /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin; go test ./... -coverprofile cover.out && go tool cover -html=cover.out -o cover.html
Using cached envtest tools from /Users/shyaradh/oke/src/github.com/oracle/cluster-api-provider-oci/testbin
setting up env vars
?   	github.com/oracle/cluster-api-provider-oci	[no test files]
ok  	github.com/oracle/cluster-api-provider-oci/api/v1beta1	1.092s	coverage: 17.0% of statements
?   	github.com/oracle/cluster-api-provider-oci/cloud/config	[no test files]
ok  	github.com/oracle/cluster-api-provider-oci/cloud/ociutil	0.533s	coverage: 25.0% of statements
ok  	github.com/oracle/cluster-api-provider-oci/cloud/scope	167.052s	coverage: 76.4% of statements
?   	github.com/oracle/cluster-api-provider-oci/cloud/scope/mocks	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/base	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/base/mock_base	[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/computemanagement/mock_computemanagement	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/containerengine	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/cloud/services/containerengine/mock_containerengine	[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/cloud/util	0.827s	coverage: 60.0% of statements
ok  	github.com/oracle/cluster-api-provider-oci/controllers	28.070s	coverage: 68.9% of statements
ok  	github.com/oracle/cluster-api-provider-oci/exp/api/v1beta1	0.745s	coverage: 9.9% of statements
ok  	github.com/oracle/cluster-api-provider-oci/exp/controllers	1.675s	coverage: 56.3% of statements
?   	github.com/oracle/cluster-api-provider-oci/feature	[no test files]
?   	github.com/oracle/cluster-api-provider-oci/version	[no test files]

[shyamradhakrishnan]

e2e tests

[SynchronizedAfterSuite] PASSED [160.730 seconds]
[SynchronizedAfterSuite]
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/e2e_suite_test.go:252

  Timeline >>
  STEP: Tearing down the management cluster @ 01/31/23 07:14:07.338
  << Timeline
------------------------------

Ran 6 of 24 Specs in 2762.953 seconds
SUCCESS! -- 6 Passed | 0 Failed | 0 Pending | 18 Skipped

• [1383.030 seconds]
Managed Workload cluster creation Managed Cluster - Cluster Identity
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/managed_cluster_test.go:178
[SynchronizedAfterSuite] PASSED [0.925 seconds]
[SynchronizedAfterSuite]
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/e2e_suite_test.go:252

  Timeline >>
  STEP: Tearing down the management cluster @ 01/31/23 08:01:44.522
  << Timeline
------------------------------

Ran 1 of 24 Specs in 1481.279 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 23 Skipped

• [867.598 seconds]
Workload cluster creation Cluster identity - with 1 control-plane nodes and 1 worker nodes
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:559
Ran 1 of 24 Specs in 967.129 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 23 Skipped

• [793.643 seconds]
Workload cluster creation when Multi-RegionIdentifier workload cluster creation Alternative region - With 1 control-plane nodes and 1 worker nodes
/home/ubuntu/go/src/github.com/oracle/cluster-api-provider-oci/test/e2e/cluster_test.go:402

  Captured StdOut/StdErr Output >>
  configmap/capoci-e2e-1xz7gr-alternative-region-oci-cloud-controller-manager created
Ran 1 of 24 Specs in 892.289 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 23 Skipped