Support EBS gp2 to gp3 migration on sync for below 1tb volumes (#1242)

* initial commit for gp3 migration.

* Default volume migration done.

* Added Gomock and one test case with mock.

* Dep update.

* more changes for code gen.

* push fake package.

* Rename var.

* Changes to Makefile and return value.

* Macke mocks phony due to overlap in foldername.

* Learning as one goes. Initialize map.

* Wrong toggle.

* Expect modify call.

* Fix mapping of ids in test.

* Fix volume id.

* volume ids.

* Fixing test setup. Late night...

* create all pvs.

* Fix test case config.

* store volumes and compare.

* More logs.

* Logging of migration action.

* Ensure to log errors.

* Log warning if modify failed, e.g. due to ebs volume state.

* Add more output.

* Skip local e2e tests.

* Reflect k8s volume id in test data. Extract aws volume id from k8s value.

* Finalizing ebs migration.

* More logs. describe fails.

* Fix non existing fields in gp2 discovery.

* Remove nothing to do flag for migration.

* Final commit for migration.

* add new options to all places

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

Makefile

@@ -1,4 +1,4 @@
-.PHONY: clean local test linux macos docker push scm-source.json e2e
+.PHONY: clean local test linux macos mocks docker push scm-source.json e2e
 
 BINARY ?= postgres-operator
 BUILD_FLAGS ?= -v
@@ -81,9 +81,12 @@ push:
 scm-source.json: .git
 	echo '{\n "url": "git:$(GITURL)",\n "revision": "$(GITHEAD)",\n "author": "$(USER)",\n "status": "$(GITSTATUS)"\n}' > scm-source.json
 
+mocks:
+	GO111MODULE=on go generate ./...
+
 tools:
-	GO111MODULE=on go get -u honnef.co/go/tools/cmd/staticcheck
 	GO111MODULE=on go get k8s.io/client-go@kubernetes-1.19.3
+	GO111MODULE=on go get github.com/golang/mock/mockgen@v1.4.4
 	GO111MODULE=on go mod tidy
 
 fmt: