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data_source_alicloud_snat_entries.go
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data_source_alicloud_snat_entries.go
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package alicloud
import (
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
"github.com/aliyun/alibaba-cloud-sdk-go/services/vpc"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-alicloud/alicloud/connectivity"
)
func dataSourceAlicloudSnatEntries() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudSnatEntriesRead,
Schema: map[string]*schema.Schema{
"snat_table_id": {
Type: schema.TypeString,
ForceNew: true,
Required: true,
},
"output_file": {
Type: schema.TypeString,
Optional: true,
},
"snat_ip": {
Type: schema.TypeString,
Optional: true,
},
"source_cidr": {
Type: schema.TypeString,
Optional: true,
},
"ids": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
ForceNew: true,
Computed: true,
},
// Computed values
"entries": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Computed: true,
},
"snat_ip": {
Type: schema.TypeString,
Computed: true,
},
"source_cidr": {
Type: schema.TypeString,
Computed: true,
},
"status": {
Type: schema.TypeString,
Computed: true,
},
},
},
},
},
}
}
func dataSourceAlicloudSnatEntriesRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
request := vpc.CreateDescribeSnatTableEntriesRequest()
request.RegionId = string(client.Region)
request.PageSize = requests.NewInteger(PageSizeLarge)
request.PageNumber = requests.NewInteger(1)
request.SnatTableId = d.Get("snat_table_id").(string)
idsMap := make(map[string]string)
if v, ok := d.GetOk("ids"); ok {
for _, vv := range v.([]interface{}) {
idsMap[Trim(vv.(string))] = Trim(vv.(string))
}
}
var allSnatEntries []vpc.SnatTableEntry
invoker := NewInvoker()
for {
var raw interface{}
if err := invoker.Run(func() error {
response, err := client.WithVpcClient(func(vpcClient *vpc.Client) (interface{}, error) {
return vpcClient.DescribeSnatTableEntries(request)
})
raw = response
return err
}); err != nil {
return WrapErrorf(err, DataDefaultErrorMsg, "alicloud_snat_entries", request.GetActionName(), AlibabaCloudSdkGoERROR)
}
resp, _ := raw.(*vpc.DescribeSnatTableEntriesResponse)
if resp == nil || len(resp.SnatTableEntries.SnatTableEntry) < 1 {
break
}
for _, entries := range resp.SnatTableEntries.SnatTableEntry {
if snat_ip, ok := d.GetOk("snat_ip"); ok && entries.SnatIp != snat_ip.(string) {
continue
}
if source_cidr, ok := d.GetOk("source_cidr"); ok && entries.SourceCIDR != source_cidr.(string) {
continue
}
if len(idsMap) > 0 {
if _, ok := idsMap[entries.SnatTableId]; !ok {
continue
}
}
allSnatEntries = append(allSnatEntries, entries)
}
if len(resp.SnatTableEntries.SnatTableEntry) < PageSizeLarge {
break
}
if page, err := getNextpageNumber(request.PageNumber); err != nil {
return WrapError(err)
} else {
request.PageNumber = page
}
}
return SnatEntriesDecriptionAttributes(d, allSnatEntries, meta)
}
func SnatEntriesDecriptionAttributes(d *schema.ResourceData, entries []vpc.SnatTableEntry, meta interface{}) error {
var ids []string
var s []map[string]interface{}
for _, entry := range entries {
mapping := map[string]interface{}{
"id": entry.SnatEntryId,
"snat_ip": entry.SnatIp,
"source_cidr": entry.SourceCIDR,
"status": entry.Status,
}
ids = append(ids, entry.SnatEntryId)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("entries", s); err != nil {
return WrapError(err)
}
if err := d.Set("ids", ids); 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
}