feat: Introduce adapter client

adapter/client.go

@@ -0,0 +1,32 @@
+// Copyright 2024 Nutanix. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package adapter
+
+import (
+	"fmt"
+
+	v4 "github.com/nutanix-cloud-native/prism-go-client/v4"
+)
+
+var v4ClientCache = v4.NewClientCache(v4.WithSessionAuth(true))
+
+type CachedClientParams = v4.CachedClientParams
+
+func GetClient(cachedClientParams CachedClientParams) (Client, error) {
+	v4Client, err := v4ClientCache.GetOrCreate(cachedClientParams)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create v4 API client: %w", err)
+	}
+	return &client{v4Client: v4Client}, nil
+}
+
+type Client interface {
+	Networking() NetworkingClient
+	Prism() PrismClient
+	Cluster() ClusterClient
+}
+
+type client struct {
+	v4Client *v4.Client
+}

adapter/cluster.go

@@ -0,0 +1,130 @@
+// Copyright 2024 Nutanix. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package adapter
+
+import (
+	"fmt"
+
+	"github.com/google/uuid"
+	"github.com/nutanix-cloud-native/prism-go-client/utils"
+	v4 "github.com/nutanix-cloud-native/prism-go-client/v4"
+	clustersapi "github.com/nutanix/ntnx-api-golang-clients/clustermgmt-go-client/v4/models/clustermgmt/v4/config"
+)
+
+type ClusterClient interface {
+	GetCluster(cluster string) (*Cluster, error)
+}
+
+type Cluster struct {
+	extID uuid.UUID
+}
+
+func (c *Cluster) ExtID() uuid.UUID {
+	return c.extID
+}
+
+func (c *client) Cluster() ClusterClient {
+	return &clusterClient{
+		v4Client: c.v4Client,
+		client:   c,
+	}
+}
+
+type clusterClient struct {
+	v4Client *v4.Client
+	client   Client
+}
+
+func (n *clusterClient) GetCluster(cluster string) (*Cluster, error) {
+	clusterUUID, err := uuid.Parse(cluster)
+	if err == nil {
+		return n.getClusterByExtID(clusterUUID)
+	}
+
+	return n.getClusterByName(cluster)
+}
+
+func (n *clusterClient) getClusterByName(clusterName string) (*Cluster, error) {
+	response, err := n.v4Client.ClustersApiInstance.ListClusters(
+		nil,
+		nil,
+		utils.StringPtr(fmt.Sprintf(`name eq '%s'`, clusterName)),
+		nil,
+		nil,
+		nil,
+	)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"failed to find cluster uuid for cluster %s: %w",
+			clusterName,
+			err,
+		)
+	}
+	clusters := response.GetData()
+	if clusters == nil {
+		return nil, fmt.Errorf("no cluster found with name %q", clusterName)
+	}
+
+	switch apiClusters := clusters.(type) {
+	case []clustersapi.Cluster:
+		if len(apiClusters) == 0 {
+			return nil, fmt.Errorf("no cluster found with name %q", clusterName)
+		}
+		if len(apiClusters) > 1 {
+			return nil, fmt.Errorf("multiple clusters (%d) found with name %q", len(apiClusters), clusterName)
+		}
+
+		extID := *apiClusters[0].ExtId
+		clusterUUID, err := uuid.Parse(extID)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse cluster uuid %q for cluster %q: %w", extID, clusterName, err)
+		}
+
+		return &Cluster{
+			extID: clusterUUID,
+		}, nil
+	default:
+		return nil, fmt.Errorf("unknown response: %+v", clusters)
+	}
+}
+
+func (n *clusterClient) getClusterByExtID(clusterExtID uuid.UUID) (*Cluster, error) {
+	response, err := n.v4Client.ClustersApiInstance.GetClusterById(
+		utils.StringPtr(clusterExtID.String()),
+	)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"failed to find cluster with extID %q: %w",
+			clusterExtID,
+			err,
+		)
+	}
+	cluster := response.GetData()
+	if cluster == nil {
+		return nil, fmt.Errorf("no cluster found with extID %q", clusterExtID)
+	}
+
+	switch apiCluster := cluster.(type) {
+	case *clustersapi.Cluster:
+		if apiCluster.ExtId == nil {
+			return nil, fmt.Errorf("no extID found for cluster %q", clusterExtID)
+		}
+		clusterUUID, err := uuid.Parse(*apiCluster.ExtId)
+		if err != nil {
+			return nil,
+				fmt.Errorf(
+					"failed to parse cluster extID %q for cluster %q: %w",
+					*apiCluster.ExtId,
+					clusterExtID,
+					err,
+				)
+		}
+
+		return &Cluster{
+			extID: clusterUUID,
+		}, nil
+	default:
+		return nil, fmt.Errorf("unknown response: %+v", cluster)
+	}
+}