github.com/mohanarpit/terraform@v0.6.16-0.20160909104007-291f29853544/builtin/providers/fastly/data_source_ip_ranges.go (about)

     1  package fastly
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"io/ioutil"
     7  	"log"
     8  	"sort"
     9  	"strconv"
    10  
    11  	"github.com/hashicorp/go-cleanhttp"
    12  	"github.com/hashicorp/terraform/helper/hashcode"
    13  	"github.com/hashicorp/terraform/helper/schema"
    14  )
    15  
    16  type dataSourceFastlyIPRangesResult struct {
    17  	Addresses []string
    18  }
    19  
    20  func dataSourceFastlyIPRanges() *schema.Resource {
    21  	return &schema.Resource{
    22  		Read: dataSourceFastlyIPRangesRead,
    23  
    24  		Schema: map[string]*schema.Schema{
    25  			"cidr_blocks": &schema.Schema{
    26  				Type:     schema.TypeList,
    27  				Computed: true,
    28  				Elem:     &schema.Schema{Type: schema.TypeString},
    29  			},
    30  		},
    31  	}
    32  }
    33  
    34  func dataSourceFastlyIPRangesRead(d *schema.ResourceData, meta interface{}) error {
    35  
    36  	conn := cleanhttp.DefaultClient()
    37  
    38  	log.Printf("[DEBUG] Reading IP ranges")
    39  
    40  	res, err := conn.Get("https://api.fastly.com/public-ip-list")
    41  
    42  	if err != nil {
    43  		return fmt.Errorf("Error listing IP ranges: %s", err)
    44  	}
    45  
    46  	defer res.Body.Close()
    47  
    48  	data, err := ioutil.ReadAll(res.Body)
    49  
    50  	if err != nil {
    51  		return fmt.Errorf("Error reading response body: %s", err)
    52  	}
    53  
    54  	d.SetId(strconv.Itoa(hashcode.String(string(data))))
    55  
    56  	result := new(dataSourceFastlyIPRangesResult)
    57  
    58  	if err := json.Unmarshal(data, result); err != nil {
    59  		return fmt.Errorf("Error parsing result: %s", err)
    60  	}
    61  
    62  	sort.Strings(result.Addresses)
    63  
    64  	if err := d.Set("cidr_blocks", result.Addresses); err != nil {
    65  		return fmt.Errorf("Error setting ip ranges: %s", err)
    66  	}
    67  
    68  	return nil
    69  
    70  }