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data_source_alicloud_vpn_customer_gateways.go
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data_source_alicloud_vpn_customer_gateways.go
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package alicloud
import (
"regexp"
"strings"
"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 dataSourceAlicloudVpnCustomerGateways() *schema.Resource {
return &schema.Resource{
Read: dataSourceAlicloudVpnCgwsRead,
Schema: map[string]*schema.Schema{
"ids": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
ForceNew: true,
MinItems: 1,
},
"name_regex": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validateNameRegex,
ForceNew: true,
},
"output_file": {
Type: schema.TypeString,
Optional: true,
},
// Computed values
"gateways": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Computed: true,
},
"name": {
Type: schema.TypeString,
Computed: true,
},
"ip_address": {
Type: schema.TypeString,
Computed: true,
},
"description": {
Type: schema.TypeString,
Computed: true,
},
"create_time": {
Type: schema.TypeInt,
Computed: true,
},
},
},
},
},
}
}
func dataSourceAlicloudVpnCgwsRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*connectivity.AliyunClient)
args := vpc.CreateDescribeCustomerGatewaysRequest()
args.RegionId = client.RegionId
args.PageSize = requests.NewInteger(PageSizeLarge)
args.PageNumber = requests.NewInteger(1)
var allCgws []vpc.CustomerGateway
for {
raw, err := client.WithVpcClient(func(vpcClient *vpc.Client) (interface{}, error) {
return vpcClient.DescribeCustomerGateways(args)
})
if err != nil {
return err
}
resp, _ := raw.(*vpc.DescribeCustomerGatewaysResponse)
if resp == nil || len(resp.CustomerGateways.CustomerGateway) < 1 {
break
}
allCgws = append(allCgws, resp.CustomerGateways.CustomerGateway...)
if len(resp.CustomerGateways.CustomerGateway) < PageSizeLarge {
break
}
if page, err := getNextpageNumber(args.PageNumber); err != nil {
return err
} else {
args.PageNumber = page
}
}
var filteredCgws []vpc.CustomerGateway
var reg *regexp.Regexp
var ids []string
if v, ok := d.GetOk("ids"); ok && len(v.([]interface{})) > 0 {
for _, item := range v.([]interface{}) {
ids = append(ids, strings.Trim(item.(string), " "))
}
}
if nameRegex, ok := d.GetOk("name_regex"); ok && nameRegex.(string) != "" {
if r, err := regexp.Compile(nameRegex.(string)); err == nil {
reg = r
}
}
for _, cgw := range allCgws {
if reg != nil {
if !reg.MatchString(cgw.Name) {
continue
}
}
if ids != nil && len(ids) != 0 {
for _, id := range ids {
if cgw.CustomerGatewayId == id {
filteredCgws = append(filteredCgws, cgw)
}
}
} else {
filteredCgws = append(filteredCgws, cgw)
}
}
return vpnCgwsDecriptionAttributes(d, filteredCgws, meta)
}
func vpnCgwsDecriptionAttributes(d *schema.ResourceData, vpnSetTypes []vpc.CustomerGateway, meta interface{}) error {
var ids []string
var s []map[string]interface{}
for _, vpn := range vpnSetTypes {
mapping := map[string]interface{}{
"id": vpn.CustomerGatewayId,
"name": vpn.Name,
"ip_address": vpn.IpAddress,
"description": vpn.Description,
"create_time": vpn.CreateTime,
}
ids = append(ids, vpn.CustomerGatewayId)
s = append(s, mapping)
}
d.SetId(dataResourceIdHash(ids))
if err := d.Set("gateways", s); err != nil {
return 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
}