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feat: Introduce adapter client
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jimmidyson committed Jul 22, 2024
1 parent 3e4dd87 commit de4b2c2
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Showing 4 changed files with 530 additions and 0 deletions.
28 changes: 28 additions & 0 deletions adapter/client.go
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// Copyright 2024 Nutanix. All rights reserved.
// SPDX-License-Identifier: Apache-2.0

package adapter

import (
"fmt"

prismgoclient "github.com/nutanix-cloud-native/prism-go-client"
v4 "github.com/nutanix-cloud-native/prism-go-client/v4"
)

func NewClient(creds prismgoclient.Credentials) (Client, error) {
v4Client, err := v4.NewV4Client(creds)
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
}

type client struct {
v4Client *v4.Client
}
130 changes: 130 additions & 0 deletions adapter/cluster.go
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// 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)
}
}
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