Add support for ILM transition (#10565)

This PR adds transition support for ILM
to transition data to another MinIO target
represented by a storage class ARN. Subsequent
GET or HEAD for that object will be streamed from
the transition tier. If PostRestoreObject API is
invoked, the transitioned object can be restored for
duration specified to the source cluster.

pkg/bucket/lifecycle/rule_test.go

@@ -22,39 +22,6 @@ import (
 	"testing"
 )
 
-// TestUnsupportedRules checks if Rule xml with unsuported tags return
-// appropriate errors on parsing
-func TestUnsupportedRules(t *testing.T) {
-	// NoncurrentVersionTransition, and Transition tags aren't supported
-	unsupportedTestCases := []struct {
-		inputXML    string
-		expectedErr error
-	}{
-		{ // Rule with unsupported NoncurrentVersionTransition
-			inputXML: ` <Rule>
-	                     <NoncurrentVersionTransition></NoncurrentVersionTransition>
-	                    </Rule>`,
-			expectedErr: errNoncurrentVersionTransitionUnsupported,
-		},
-		{ // Rule with unsupported Transition action
-			inputXML: ` <Rule>
-	                     <Transition></Transition>
-	                    </Rule>`,
-			expectedErr: errTransitionUnsupported,
-		},
-	}
-
-	for i, tc := range unsupportedTestCases {
-		t.Run(fmt.Sprintf("Test %d", i+1), func(t *testing.T) {
-			var rule Rule
-			err := xml.Unmarshal([]byte(tc.inputXML), &rule)
-			if err != tc.expectedErr {
-				t.Fatalf("%d: Expected %v but got %v", i+1, tc.expectedErr, err)
-			}
-		})
-	}
-}
-
 // TestInvalidRules checks if Rule xml with invalid elements returns
 // appropriate errors on validation
 func TestInvalidRules(t *testing.T) {