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data_source_alicloud_slb_attachments.go
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data_source_alicloud_slb_attachments.go
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package alicloud
import (
"github.com/aliyun/alibaba-cloud-sdk-go/services/slb"
"github.com/aliyun/terraform-provider-alicloud/alicloud/connectivity"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
)
func dataSourceAlicloudSlbAttachments() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudSlbAttachmentsRead,
Schema: map[string]*schema.Schema{
"load_balancer_id": {
Type: schema.TypeString,
Required: true,
},
"instance_ids": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
ForceNew: true,
MinItems: 1,
},
"output_file": {
Type: schema.TypeString,
Optional: true,
},
// Computed values
"slb_attachments": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"instance_id": {
Type: schema.TypeString,
Computed: true,
},
"weight": {
Type: schema.TypeInt,
Computed: true,
},
},
},
},
},
}
}
func dataSourceAlicloudSlbAttachmentsRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
request := slb.CreateDescribeLoadBalancerAttributeRequest()
request.RegionId = client.RegionId
request.LoadBalancerId = d.Get("load_balancer_id").(string)
instanceIdsMap := make(map[string]string)
if v, ok := d.GetOk("instance_ids"); ok {
for _, vv := range v.([]interface{}) {
instanceIdsMap[Trim(vv.(string))] = Trim(vv.(string))
}
}
raw, err := client.WithSlbClient(func(slbClient *slb.Client) (interface{}, error) {
return slbClient.DescribeLoadBalancerAttribute(request)
})
if err != nil {
return WrapErrorf(err, DataDefaultErrorMsg, "alicloud_slb_attachments", request.GetActionName(), AlibabaCloudSdkGoERROR)
}
addDebug(request.GetActionName(), raw, request.RpcRequest, request)
response, _ := raw.(*slb.DescribeLoadBalancerAttributeResponse)
var filteredBackendServersTemp []slb.BackendServerInDescribeLoadBalancerAttribute
if len(instanceIdsMap) > 0 {
for _, backendServer := range response.BackendServers.BackendServer {
if len(instanceIdsMap) > 0 {
if _, ok := instanceIdsMap[backendServer.ServerId]; !ok {
continue
}
}
filteredBackendServersTemp = append(filteredBackendServersTemp, backendServer)
}
} else {
filteredBackendServersTemp = response.BackendServers.BackendServer
}
return slbAttachmentsDescriptionAttributes(d, filteredBackendServersTemp)
}
func slbAttachmentsDescriptionAttributes(d *schema.ResourceData, backendServers []slb.BackendServerInDescribeLoadBalancerAttribute) error {
var ids []string
var s []map[string]interface{}
for _, backendServer := range backendServers {
mapping := map[string]interface{}{
"instance_id": backendServer.ServerId,
"weight": backendServer.Weight,
}
ids = append(ids, backendServer.ServerId)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("slb_attachments", s); err != nil {
return WrapError(err)
}
// create a json file in current directory and write data source to it.
if output, ok := d.GetOk("output_file"); ok && output.(string) != "" {
writeToFile(output.(string), s)
}
return nil
}