alibabacloudstack/data_source_apsarastack_polardb_zones.go

package alibabacloudstack

import (
	"fmt"
	"sort"
	"strings"

	"github.com/aliyun/terraform-provider-alibabacloudstack/alibabacloudstack/connectivity"
	"github.com/aliyun/terraform-provider-alibabacloudstack/alibabacloudstack/errmsgs"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)

func dataSourceAlibabacloudStackPolardbZones() *schema.Resource {
	return &schema.Resource{
		Read: dataSourceAlibabacloudStackPolardbZonesRead,

		Schema: map[string]*schema.Schema{
			"multi": {
				Type:     schema.TypeBool,
				Optional: true,
				Default:  false,
			},
			"output_file": {
				Type:     schema.TypeString,
				Optional: true,
			},
			"ids": {
				Type:     schema.TypeList,
				Computed: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
			},
			"zones": {
				Type:     schema.TypeList,
				Computed: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"id": {
							Type:     schema.TypeString,
							Computed: true,
						},
						"multi_zone_ids": {
							Type:     schema.TypeList,
							Computed: true,
							Elem:     &schema.Schema{Type: schema.TypeString},
						},
					},
				},
			},
		},
	}
}

func dataSourceAlibabacloudStackPolardbZonesRead(d *schema.ResourceData, meta interface{}) error {
	multi := d.Get("multi").(bool)
	var zoneIds []string
	client := meta.(*connectivity.AlibabacloudStackClient)
	polardbbackup_policyservice :=
		PolardbService{client}
	response, err := polardbbackup_policyservice.DoPolardbDescriberegionsRequest(d, client)
	if err != nil {
		return errmsgs.WrapErrorf(err, errmsgs.DefaultErrorMsg, "alibabacloudstack_polardb_zones", errmsgs.AlibabacloudStackSdkGoERROR)
	}
	if len(response.Regions.RDSRegion) <= 0 {
		return errmsgs.WrapError(fmt.Errorf("[ERROR] There is no available zone for RDS."))
	}
	for _, r := range response.Regions.RDSRegion {
		if multi && strings.Contains(r.ZoneId, MULTI_IZ_SYMBOL) && r.RegionId == string(client.Region) {
			zoneIds = append(zoneIds, r.ZoneId)
			continue
		}
		if !multi && !strings.Contains(r.ZoneId, MULTI_IZ_SYMBOL) && r.RegionId == string(client.Region) {
			zoneIds = append(zoneIds, r.ZoneId)
			continue
		}
	}
	if len(zoneIds) > 0 {
		sort.Strings(zoneIds)
	}

	var s []map[string]interface{}
	if !multi {
		for _, zoneId := range zoneIds {
			mapping := map[string]interface{}{"id": zoneId}
			s = append(s, mapping)
		}
	} else {
		for _, zoneId := range zoneIds {
			mapping := map[string]interface{}{
				"id":             zoneId,
				"multi_zone_ids": PolardbsplitMultiZoneId(zoneId),
			}
			s = append(s, mapping)
		}
	}
	d.SetId(dataResourceIdHash(zoneIds))
	if err := d.Set("zones", s); err != nil {
		return errmsgs.WrapError(err)
	}
	if err := d.Set("ids", zoneIds); err != nil {
		return errmsgs.WrapError(err)
	}
	if output, ok := d.GetOk("output_file"); ok && output.(string) != "" {
		if err := writeToFile(output.(string), s); err != nil {
			return err
		}
	}
	return nil
}

func PolardbsplitMultiZoneId(id string) (ids []string) {
	if !(strings.Contains(id, MULTI_IZ_SYMBOL) || strings.Contains(id, "(")) {
		return
	}
	firstIndex := strings.Index(id, MULTI_IZ_SYMBOL)
	secondIndex := strings.Index(id, "(")
	for _, p := range strings.Split(id[secondIndex+1:len(id)-1], COMMA_SEPARATED) {
		ids = append(ids, id[:firstIndex]+string(p))
	}
	return
}