digitalocean_sd: Expose vpc for use in relabelling.

Signed-off-by: Andrew Starr-Bochicchio <a.starr.b@gmail.com>

discovery/digitalocean/digitalocean.go

@@ -47,6 +47,7 @@ const (
 	doLabelStatus      = doLabel + "status"
 	doLabelFeatures    = doLabel + "features"
 	doLabelTags        = doLabel + "tags"
+	doLabelVPC         = doLabel + "vpc"
 	separator          = ","
 )
 
@@ -170,6 +171,7 @@ func (d *Discovery) refresh(ctx context.Context) ([]*targetgroup.Group, error) {
 			doLabelRegion:      model.LabelValue(droplet.Region.Slug),
 			doLabelSize:        model.LabelValue(droplet.SizeSlug),
 			doLabelStatus:      model.LabelValue(droplet.Status),
+			doLabelVPC:         model.LabelValue(droplet.VPCUUID),
 		}
 
 		addr := net.JoinHostPort(publicIPv4, strconv.FormatUint(uint64(d.port), 10))

discovery/digitalocean/digitalocean_test.go

@@ -76,6 +76,7 @@ func TestDigitalOceanSDRefresh(t *testing.T) {
 			"__meta_digitalocean_region":       model.LabelValue("nyc3"),
 			"__meta_digitalocean_size":         model.LabelValue("s-1vcpu-1gb"),
 			"__meta_digitalocean_status":       model.LabelValue("active"),
+			"__meta_digitalocean_vpc":          model.LabelValue("f9b0769c-e118-42fb-a0c4-fed15ef69662"),
 			"__meta_digitalocean_features":     model.LabelValue(",backups,ipv6,virtio,"),
 		},
 		{
@@ -90,6 +91,7 @@ func TestDigitalOceanSDRefresh(t *testing.T) {
 			"__meta_digitalocean_region":       model.LabelValue("nyc3"),
 			"__meta_digitalocean_size":         model.LabelValue("s-1vcpu-1gb"),
 			"__meta_digitalocean_status":       model.LabelValue("active"),
+			"__meta_digitalocean_vpc":          model.LabelValue("f9b0769c-e118-42fb-a0c4-fed15ef69662"),
 			"__meta_digitalocean_tags":         model.LabelValue(",monitor,"),
 			"__meta_digitalocean_features":     model.LabelValue(",virtio,"),
 		},
@@ -105,6 +107,7 @@ func TestDigitalOceanSDRefresh(t *testing.T) {
 			"__meta_digitalocean_region":       model.LabelValue("fra1"),
 			"__meta_digitalocean_size":         model.LabelValue("s-1vcpu-1gb"),
 			"__meta_digitalocean_status":       model.LabelValue("off"),
+			"__meta_digitalocean_vpc":          model.LabelValue("953d698c-dc84-11e8-80bc-3cfdfea9fba1"),
 			"__meta_digitalocean_features":     model.LabelValue(",ipv6,private_networking,"),
 		},
 		{
@@ -119,6 +122,7 @@ func TestDigitalOceanSDRefresh(t *testing.T) {
 			"__meta_digitalocean_region":       model.LabelValue("fra1"),
 			"__meta_digitalocean_size":         model.LabelValue("s-1vcpu-1gb"),
 			"__meta_digitalocean_status":       model.LabelValue("active"),
+			"__meta_digitalocean_vpc":          model.LabelValue("953d698c-dc84-11e8-80bc-3cfdfea9fba1"),
 			"__meta_digitalocean_features":     model.LabelValue(",ipv6,private_networking,"),
 		},
 	} {

discovery/digitalocean/mock_test.go

@@ -445,7 +445,8 @@ func (m *SDMock) HandleDropletsList() {
           "m6-24vcpu-192gb"
         ]
       },
-      "tags": []
+      "tags": [],
+      "vpc_uuid": "953d698c-dc84-11e8-80bc-3cfdfea9fba1"
     },
     {
       "id": 176011507,
@@ -624,7 +625,8 @@ func (m *SDMock) HandleDropletsList() {
           "m6-24vcpu-192gb"
         ]
       },
-      "tags": []
+      "tags": [],
+      "vpc_uuid": "953d698c-dc84-11e8-80bc-3cfdfea9fba1"
     }
   ],
   "links": {