Fix(replicationgroup): Wrong engine version format

pkg/controller/cache/replicationgroup/managed.go

@@ -19,6 +19,8 @@ package replicationgroup
 import (
 	"context"
 	"reflect"
+	"strconv"
+	"strings"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
 	awselasticache "github.com/aws/aws-sdk-go-v2/service/elasticache"
@@ -61,6 +63,7 @@ const (
 	errUpdateReplicationGroupTags          = "cannot update ElastiCache replication group tags"
 	errReplicationGroupCacheClusterMinimum = "at least 1 replica is required"
 	errReplicationGroupCacheClusterMaximum = "maximum of 5 replicas are allowed"
+	errVersionInput                        = "unable to parse version number"
 )
 
 // SetupReplicationGroup adds a controller that reconciles ReplicationGroups.
@@ -191,6 +194,7 @@ func (e *external) Create(ctx context.Context, mg resource.Managed) (managed.Ext
 	}
 
 	cr.Status.SetConditions(xpv1.Creating())
+
 	// Our create request will fail if auth is enabled but transit encryption is
 	// not. We don't check for the latter here because it's less surprising to
 	// submit the request as the operator intended and let the reconcile fail
@@ -210,6 +214,7 @@ func (e *external) Create(ctx context.Context, mg resource.Managed) (managed.Ext
 	}
 	if token != nil {
 		return managed.ExternalCreation{
+
 			ConnectionDetails: managed.ConnectionDetails{
 				xpv1.ResourceCredentialsSecretPasswordKey: []byte(*token),
 			},
@@ -229,6 +234,14 @@ func (e *external) Update(ctx context.Context, mg resource.Managed) (managed.Ext
 		return managed.ExternalUpdate{}, nil
 	}
 
+	// updates the engine version to the required format
+	var version *string
+	version, err := getVersion(cr.Spec.ForProvider.EngineVersion)
+	if err != nil {
+		return managed.ExternalUpdate{}, errorutils.Wrap(err, errVersionInput)
+	}
+	cr.Spec.ForProvider.EngineVersion = version
+
 	rsp, err := e.client.DescribeReplicationGroups(ctx, elasticache.NewDescribeReplicationGroupsInput(meta.GetExternalName(cr)))
 	if err != nil {
 		return managed.ExternalUpdate{}, errorutils.Wrap(err, errDescribeReplicationGroup)
@@ -342,3 +355,20 @@ func (e *external) updateReplicationGroupNumCacheClusters(ctx context.Context, r
 		return nil
 	}
 }
+
+func getVersion(version *string) (*string, error) {
+	versionSplit := strings.Split(aws.ToString(version), ".")
+	version1, err := strconv.Atoi(versionSplit[0])
+	if err != nil {
+		return nil, errors.Wrap(err, errVersionInput)
+	}
+	versionOut := strconv.Itoa(version1)
+	if len(versionSplit) > 1 {
+		version2, err := strconv.Atoi(versionSplit[1])
+		if err != nil {
+			return nil, errors.Wrap(err, errVersionInput)
+		}
+		versionOut += "." + strconv.Itoa(version2)
+	}
+	return &versionOut, nil
+}

pkg/controller/cache/replicationgroup/managed_test.go

@@ -37,14 +37,15 @@ import (
 )
 
 const (
-	name = "coolGroup"
+	name                = "coolGroup"
+	engineVersionToTest = "5.0.2"
 )
 
 var (
 	cacheNodeType            = "n1.super.cool"
 	autoFailoverEnabled      = true
 	cacheParameterGroupName  = "coolParamGroup"
-	engineVersion            = "5.0.0"
+	engineVersion            = "5.0"
 	port                     = 6379
 	host                     = "172.16.0.1"
 	maintenanceWindow        = "tomorrow"
@@ -126,6 +127,10 @@ func withNumCacheClusters(n int) replicationGroupModifier {
 	return func(r *v1beta1.ReplicationGroup) { r.Spec.ForProvider.NumCacheClusters = &n }
 }
 
+func withEngineVersion(e string) replicationGroupModifier {
+	return func(r *v1beta1.ReplicationGroup) { r.Spec.ForProvider.EngineVersion = &e }
+}
+
 func replicationGroup(rm ...replicationGroupModifier) *v1beta1.ReplicationGroup {
 	r := &v1beta1.ReplicationGroup{
 		ObjectMeta: objectMeta,
@@ -736,6 +741,54 @@ func TestUpdate(t *testing.T) {
 			),
 			returnsErr: false,
 		},
+		{
+			name: "IncreaseReplicationsAndCheckBehaviourVersion",
+			e: &external{client: &fake.MockClient{
+				MockDescribeReplicationGroups: func(ctx context.Context, _ *elasticache.DescribeReplicationGroupsInput, opts []func(*elasticache.Options)) (*elasticache.DescribeReplicationGroupsOutput, error) {
+					return &elasticache.DescribeReplicationGroupsOutput{
+						ReplicationGroups: []types.ReplicationGroup{{
+							Status:                 aws.String(v1beta1.StatusAvailable),
+							MemberClusters:         cacheClusters,
+							AutomaticFailover:      types.AutomaticFailoverStatusEnabled,
+							CacheNodeType:          aws.String(cacheNodeType),
+							SnapshotRetentionLimit: aws.Int32(int32(snapshotRetentionLimit)),
+							SnapshotWindow:         aws.String(snapshotWindow),
+							ClusterEnabled:         aws.Bool(true),
+							ConfigurationEndpoint:  &types.Endpoint{Address: aws.String(host), Port: int32(port)},
+						}},
+					}, nil
+				},
+				MockDescribeCacheClusters: func(ctx context.Context, _ *elasticache.DescribeCacheClustersInput, opts []func(*elasticache.Options)) (*elasticache.DescribeCacheClustersOutput, error) {
+					return &elasticache.DescribeCacheClustersOutput{
+						CacheClusters: []types.CacheCluster{
+							{EngineVersion: aws.String(engineVersion)},
+							{EngineVersion: aws.String(engineVersion)},
+							{EngineVersion: aws.String(engineVersion)},
+						},
+					}, nil
+				},
+				MockIncreaseReplicaCount: func(ctx context.Context, _ *elasticache.IncreaseReplicaCountInput, opts []func(*elasticache.Options)) (*elasticache.IncreaseReplicaCountOutput, error) {
+					return &elasticache.IncreaseReplicaCountOutput{}, nil
+				},
+			}},
+			r: replicationGroup(
+				withEngineVersion(engineVersionToTest),
+				withReplicationGroupID(name),
+				withProviderStatus(v1beta1.StatusAvailable),
+				withConditions(xpv1.Available()),
+				withMemberClusters(cacheClusters),
+				withNumCacheClusters(4),
+			),
+			want: replicationGroup(
+				withEngineVersion(engineVersion),
+				withReplicationGroupID(name),
+				withProviderStatus(v1beta1.StatusAvailable),
+				withConditions(xpv1.Available()),
+				withMemberClusters(cacheClusters),
+				withNumCacheClusters(4),
+			),
+			returnsErr: false,
+		},
 	}
 
 	for _, tc := range cases {