terraform/builtin/providers/digitalocean/datasource_digitalocean_ima...

95 lines
2.3 KiB
Go

package digitalocean
import (
"context"
"fmt"
"strconv"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceDigitalOceanImage() *schema.Resource {
return &schema.Resource{
Read: dataSourceDigitalOceanImageRead,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
Description: "name of the image",
},
// computed attributes
"image": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Description: "slug or id of the image",
},
"min_disk_size": &schema.Schema{
Type: schema.TypeInt,
Computed: true,
Description: "minimum disk size required by the image",
},
"private": &schema.Schema{
Type: schema.TypeBool,
Computed: true,
Description: "Is the image private or non-private",
},
"regions": &schema.Schema{
Type: schema.TypeList,
Computed: true,
Description: "list of the regions that the image is available in",
Elem: &schema.Schema{Type: schema.TypeString},
},
"type": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Description: "type of the image",
},
},
}
}
func dataSourceDigitalOceanImageRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
opts := &godo.ListOptions{}
images, _, err := client.Images.ListUser(context.Background(), opts)
if err != nil {
d.SetId("")
return err
}
image, err := findImageByName(images, d.Get("name").(string))
if err != nil {
return err
}
d.SetId(image.Name)
d.Set("name", image.Name)
d.Set("image", strconv.Itoa(image.ID))
d.Set("min_disk_size", image.MinDiskSize)
d.Set("private", !image.Public)
d.Set("regions", image.Regions)
d.Set("type", image.Type)
return nil
}
func findImageByName(images []godo.Image, name string) (*godo.Image, error) {
results := make([]godo.Image, 0)
for _, v := range images {
if v.Name == name {
results = append(results, v)
}
}
if len(results) == 1 {
return &results[0], nil
}
if len(results) == 0 {
return nil, fmt.Errorf("no user image found with name %s", name)
}
return nil, fmt.Errorf("too many user images found with name %s (found %d, expected 1)", name, len(results))
}