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data_source_alicloud_zones.go
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data_source_alicloud_zones.go
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package alicloud
import (
"fmt"
"github.com/denverdino/aliyungo/ecs"
"github.com/hashicorp/terraform/helper/schema"
"log"
"reflect"
)
func dataSourceAlicloudZones() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudZonesRead,
Schema: map[string]*schema.Schema{
"available_instance_type": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"available_resource_creation": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"available_disk_category": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
// Computed values.
"zones": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Computed: true,
},
"local_name": {
Type: schema.TypeString,
Computed: true,
},
"available_instance_types": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"available_resource_creation": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"available_disk_categories": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
},
},
},
}
}
func dataSourceAlicloudZonesRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AliyunClient).ecsconn
insType, _ := d.Get("available_instance_type").(string)
resType, _ := d.Get("available_resource_creation").(string)
diskType, _ := d.Get("available_disk_category").(string)
resp, err := conn.DescribeZones(getRegion(d, meta))
if err != nil {
return err
}
var zoneTypes []ecs.ZoneType
for _, types := range resp {
if insType != "" && !constraints(types.AvailableInstanceTypes.InstanceTypes, insType) {
continue
}
if resType != "" && !constraints(types.AvailableResourceCreation.ResourceTypes, resType) {
continue
}
if diskType != "" && !constraints(types.AvailableDiskCategories.DiskCategories, diskType) {
continue
}
zoneTypes = append(zoneTypes, types)
}
if len(zoneTypes) < 1 {
return fmt.Errorf("Your query returned no results. Please change your search criteria and try again.")
}
log.Printf("[DEBUG] alicloud_zones - Zones found: %#v", zoneTypes)
return zonesDescriptionAttributes(d, zoneTypes)
}
// check array constraints str
func constraints(arr interface{}, v string) bool {
arrs := reflect.ValueOf(arr)
len := arrs.Len()
for i := 0; i < len; i++ {
if arrs.Index(i).String() == v {
return true
}
}
return false
}
func zonesDescriptionAttributes(d *schema.ResourceData, types []ecs.ZoneType) error {
var ids []string
var s []map[string]interface{}
for _, t := range types {
mapping := map[string]interface{}{
"id": t.ZoneId,
"local_name": t.LocalName,
"available_instance_types": t.AvailableInstanceTypes.InstanceTypes,
"available_resource_creation": t.AvailableResourceCreation.ResourceTypes,
"available_disk_categories": t.AvailableDiskCategories.DiskCategories,
}
log.Printf("[DEBUG] alicloud_zones - adding zone mapping: %v", mapping)
ids = append(ids, t.ZoneId)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("zones", s); err != nil {
return err
}
return nil
}