From f5d6f8074d7d5b3368b7291e0886ecdb4df2ff3a Mon Sep 17 00:00:00 2001
From: Tom Limoncelli <tlimoncelli@stackexchange.com>
Date: Fri, 21 Feb 2020 13:48:55 -0500
Subject: [PATCH] BIND: Implement get-zones (#642)

* BIND: implement get-zones
* BIND: Implement ZoneLister
---
 providers/activedir/domains.go |  7 +++----
 providers/bind/bindProvider.go | 20 +++++++++++++++++++-
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/providers/activedir/domains.go b/providers/activedir/domains.go
index 77e78dda6..a21ad32ed 100644
--- a/providers/activedir/domains.go
+++ b/providers/activedir/domains.go
@@ -38,11 +38,10 @@ var supportedTypes = map[string]bool{
 }
 
 // GetZoneRecords gets the records of a zone and returns them in RecordConfig format.
-func (client *adProvider) GetZoneRecords(domain string) (models.Records, error) {
-	// Read foundRecords:
-	foundRecords, err := c.getExistingRecords(dc.Name)
+func (c *adProvider) GetZoneRecords(domain string) (models.Records, error) {
+	foundRecords, err := c.getExistingRecords(domain)
 	if err != nil {
-		return nil, fmt.Errorf("c.getExistingRecords(%q) failed: %v", dc.Name, err)
+		return nil, fmt.Errorf("c.getExistingRecords(%q) failed: %v", domain, err)
 	}
 	return foundRecords, nil
 }
diff --git a/providers/bind/bindProvider.go b/providers/bind/bindProvider.go
index 4a56d079a..ebf322aab 100644
--- a/providers/bind/bindProvider.go
+++ b/providers/bind/bindProvider.go
@@ -130,10 +130,28 @@ func (c *Bind) GetNameservers(string) ([]*models.Nameserver, error) {
 	return c.nameservers, nil
 }
 
+// ListZones returns all the zones in an account
+func (c *Bind) ListZones() ([]string, error) {
+	if _, err := os.Stat(c.directory); os.IsNotExist(err) {
+		return nil, fmt.Errorf("BIND directory %q does not exist!\n", c.directory)
+	}
+
+	filenames, err := filepath.Glob(filepath.Join(c.directory, "*.zone"))
+	if err != nil {
+		return nil, err
+	}
+	var zones []string
+	for _, n := range filenames {
+		_, file := filepath.Split(n)
+		zones = append(zones, strings.TrimSuffix(file, ".zone"))
+	}
+	return zones, nil
+}
+
 // GetZoneRecords gets the records of a zone and returns them in RecordConfig format.
 func (c *Bind) GetZoneRecords(domain string) (models.Records, error) {
-	// Default SOA record.  If we see one in the zone, this will be replaced.
 
+	// Default SOA record.  If we see one in the zone, this will be replaced.
 	soaRec := makeDefaultSOA(c.DefaultSoa, domain)
 	foundRecords := models.Records{}
 	var oldSerial, newSerial uint32