DNSimple: Adding SRV, CAA, and ALIAS suppport (#243)

* dnsimple ALIAS

* caa working

* srv

* gen

docs/_includes/matrix.html

@@ -158,7 +158,9 @@
 			<i class="fa has-tooltip fa-check text-success" aria-hidden="true"></i>
 		</td>
 		<td><i class="fa fa-minus dim"></i></td>
-		<td><i class="fa fa-minus dim"></i></td>
+		<td class="success">
+			<i class="fa fa-check text-success" aria-hidden="true"></i>
+		</td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td class="danger">
@@ -190,7 +192,9 @@
 		<td class="success">
 			<i class="fa fa-check text-success" aria-hidden="true"></i>
 		</td>
-		<td><i class="fa fa-minus dim"></i></td>
+		<td class="success">
+			<i class="fa fa-check text-success" aria-hidden="true"></i>
+		</td>
 		<td class="success">
 			<i class="fa fa-check text-success" aria-hidden="true"></i>
 		</td>
@@ -258,7 +262,9 @@
 		</td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td><i class="fa fa-minus dim"></i></td>
-		<td><i class="fa fa-minus dim"></i></td>
+		<td class="success">
+			<i class="fa fa-check text-success" aria-hidden="true"></i>
+		</td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td class="success">
 			<i class="fa fa-check text-success" aria-hidden="true"></i>
@@ -284,7 +290,9 @@
 		</td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td><i class="fa fa-minus dim"></i></td>
-		<td><i class="fa fa-minus dim"></i></td>
+		<td class="danger">
+			<i class="fa fa-times text-danger" aria-hidden="true"></i>
+		</td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td><i class="fa fa-minus dim"></i></td>
 		<td class="danger">

providers/dnsimple/dnsimpleProvider.go

@@ -19,11 +19,12 @@ var docNotes = providers.DocumentationNotes{
 	providers.DocDualHost:            providers.Cannot("DNSimple does not allow sufficient control over the apex NS records"),
 	providers.DocCreateDomains:       providers.Cannot(),
 	providers.DocOfficiallySupported: providers.Cannot(),
+	providers.CanUseTLSA:             providers.Cannot(),
 }
 
 func init() {
 	providers.RegisterRegistrarType("DNSIMPLE", newReg)
-	providers.RegisterDomainServiceProviderType("DNSIMPLE", newDsp, providers.CanUsePTR, docNotes)
+	providers.RegisterDomainServiceProviderType("DNSIMPLE", newDsp, providers.CanUsePTR, providers.CanUseAlias, providers.CanUseCAA, providers.CanUseSRV, docNotes)
 }
 
 const stateRegistered = "registered"
@@ -61,9 +62,14 @@ func (c *DnsimpleApi) GetDomainCorrections(dc *models.DomainConfig) ([]*models.C
 		if r.Name == "" {
 			r.Name = "@"
 		}
-		if r.Type == "CNAME" || r.Type == "MX" {
+		if r.Type == "CNAME" || r.Type == "MX" || r.Type == "ALIAS" || r.Type == "SRV" {
 			r.Content += "."
 		}
+		// dnsimple adds these odd txt records that mirror the alias records.
+		// they seem to manage them on deletes and things, so we'll just pretend they don't exist
+		if r.Type == "TXT" && strings.HasPrefix(r.Content, "ALIAS for ") {
+			continue
+		}
 		rec := &models.RecordConfig{
 			NameFQDN:     dnsutil.AddOrigin(r.Name, dc.Name),
 			Type:         r.Type,
@@ -72,9 +78,18 @@ func (c *DnsimpleApi) GetDomainCorrections(dc *models.DomainConfig) ([]*models.C
 			MxPreference: uint16(r.Priority),
 			Original:     r,
 		}
+		if r.Type == "CAA" || r.Type == "SRV" {
+			rec.CombinedTarget = true
+		}
 		actual = append(actual, rec)
 	}
 	removeOtherNS(dc)
+	dc.Filter(func(r *models.RecordConfig) bool {
+		if r.Type == "CAA" || r.Type == "SRV" {
+			r.MergeToTarget()
+		}
+		return true
+	})
 	differ := diff.New(dc)
 	_, create, delete, modify := differ.IncrementalDiff(actual)
 
@@ -246,7 +261,6 @@ func (c *DnsimpleApi) createRecordFunc(rc *models.RecordConfig, domainName strin
 		if err != nil {
 			return err
 		}
-
 		record := dnsimpleapi.ZoneRecord{
 			Name:     dnsutil.TrimDomainName(rc.NameFQDN, domainName),
 			Type:     rc.Type,
@@ -254,7 +268,6 @@ func (c *DnsimpleApi) createRecordFunc(rc *models.RecordConfig, domainName strin
 			TTL:      int(rc.TTL),
 			Priority: int(rc.MxPreference),
 		}
-
 		_, err = client.Zones.CreateRecord(accountId, domainName, record)
 		if err != nil {
 			return err