data_source_yandex_mdb_redis_cluster.go

package yandex

import (
	"context"
	"fmt"

	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"

	"github.com/yandex-cloud/go-genproto/yandex/cloud/mdb/redis/v1"
	"github.com/yandex-cloud/go-sdk/sdkresolvers"
)

func dataSourceYandexMDBRedisCluster() *schema.Resource {
	return &schema.Resource{
		Read: dataSourceYandexMDBRedisClusterRead,
		Schema: map[string]*schema.Schema{
			"cluster_id": {
				Type:     schema.TypeString,
				Computed: true,
				Optional: true,
			},
			"name": {
				Type:     schema.TypeString,
				Computed: true,
				Optional: true,
			},
			"network_id": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"environment": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"config": {
				Type:     schema.TypeList,
				Computed: true,
				MaxItems: 1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"timeout": {
							Type:     schema.TypeInt,
							Computed: true,
						},
						"maxmemory_policy": {
							Type:     schema.TypeString,
							Computed: true,
						},
					},
				},
			},
			"resources": {
				Type:     schema.TypeList,
				Computed: true,
				MaxItems: 1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"resource_preset_id": {
							Type:     schema.TypeString,
							Computed: true,
						},
						"disk_size": {
							Type:     schema.TypeInt,
							Computed: true,
						},
					},
				},
			},
			"host": {
				Type:     schema.TypeList,
				Computed: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"zone": {
							Type:     schema.TypeString,
							Computed: true,
						},
						"subnet_id": {
							Type:     schema.TypeString,
							Computed: true,
						},
						"shard_name": {
							Type:     schema.TypeString,
							Computed: true,
						},
					},
				},
			},
			"description": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"labels": {
				Type:     schema.TypeMap,
				Computed: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Set:      schema.HashString,
			},
			"sharded": {
				Type:     schema.TypeBool,
				Computed: true,
			},
			"folder_id": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"created_at": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"health": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"status": {
				Type:     schema.TypeString,
				Computed: true,
			},
		},
	}
}

func dataSourceYandexMDBRedisClusterRead(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	ctx := context.Background()

	err := checkOneOf(d, "cluster_id", "name")
	if err != nil {
		return err
	}

	clusterID := d.Get("cluster_id").(string)
	clusterName, clusterNameOk := d.GetOk("name")

	if clusterNameOk {
		clusterID, err = resolveObjectID(ctx, config, clusterName.(string), sdkresolvers.RedisClusterResolver)
		if err != nil {
			return fmt.Errorf("failed to resolve data source Redis Cluster by name: %v", err)
		}
	}

	cluster, err := config.sdk.MDB().Redis().Cluster().Get(ctx, &redis.GetClusterRequest{
		ClusterId: clusterID,
	})
	if err != nil {
		return handleNotFoundError(err, d, fmt.Sprintf("Cluster %q", d.Get("name").(string)))
	}

	resp, err := config.sdk.MDB().Redis().Cluster().ListHosts(ctx, &redis.ListClusterHostsRequest{
		ClusterId: clusterID,
		PageSize:  defaultMDBPageSize,
	})
	if err != nil {
		return fmt.Errorf("Error while getting list of hosts for '%s': %s", clusterID, err)
	}
	hosts := resp.Hosts

	createdAt, err := getTimestamp(cluster.CreatedAt)
	if err != nil {
		return err
	}

	d.Set("created_at", createdAt)
	d.Set("cluster_id", cluster.Id)
	d.Set("name", cluster.Name)
	d.Set("folder_id", cluster.FolderId)
	d.Set("network_id", cluster.NetworkId)
	d.Set("environment", cluster.GetEnvironment().String())
	d.Set("health", cluster.GetHealth().String())
	d.Set("status", cluster.GetStatus().String())
	d.Set("description", cluster.Description)
	d.Set("sharded", cluster.Sharded)

	conf := extractRedisConfig(cluster.Config)
	err = d.Set("config", []map[string]interface{}{
		{
			"timeout":          conf.timeout,
			"maxmemory_policy": conf.maxmemoryPolicy,
		},
	})
	if err != nil {
		return err
	}

	resources, err := flattenRedisResources(cluster.Config.Resources)
	if err != nil {
		return err
	}

	hs, err := flattenRedisHosts(hosts)
	if err != nil {
		return err
	}

	if err := d.Set("resources", resources); err != nil {
		return err
	}

	if err := d.Set("host", hs); err != nil {
		return err
	}

	if err := d.Set("labels", cluster.Labels); err != nil {
		return err
	}

	d.SetId(cluster.Id)

	return nil
}