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Merge pull request #11 from calebdoxsey/zoneIDs
support .co.uk domains
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "log" | ||
| "strings" | ||
|
|
||
| cloudflare "github.com/cloudflare/cloudflare-go" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| func sync(ips []string, dnsNames []string, cloudflareTTL int, cloudflareProxy bool) error { | ||
| api, err := cloudflare.New(options.CloudflareAPIKey, options.CloudflareAPIEmail) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to access cloudflare api") | ||
| } | ||
|
|
||
| root := dnsNames[0] | ||
| zoneID, err := findZoneID(api, root) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to find zone id for dns-name:=%s", | ||
| root) | ||
| } | ||
|
|
||
| known := map[string]bool{} | ||
| for _, ip := range ips { | ||
| known[ip] = true | ||
| } | ||
|
|
||
| for _, dnsName := range dnsNames { | ||
| records, err := api.DNSRecords(zoneID, cloudflare.DNSRecord{Type: "A", Name: dnsName}) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to list dns records for zone-id=%s name=%s", | ||
| zoneID, dnsName) | ||
| } | ||
|
|
||
| seen := map[string]bool{} | ||
|
|
||
| for _, record := range records { | ||
| log.Printf("found existing record name=%s ip=%s\n", | ||
| record.Name, record.Content) | ||
| if _, ok := known[record.Content]; ok { | ||
| seen[record.Content] = true | ||
|
|
||
| if record.Proxied != cloudflareProxy || record.TTL != cloudflareTTL { | ||
| log.Printf("updating dns record name=%s ip=%s\n", | ||
| record.Name, record.Content) | ||
| err := api.UpdateDNSRecord(zoneID, record.ID, cloudflare.DNSRecord{ | ||
| Type: record.Type, | ||
| Name: record.Name, | ||
| Content: record.Content, | ||
| TTL: cloudflareTTL, | ||
| Proxied: cloudflareProxy, | ||
| }) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to update dns record zone-id=%s record-id=%s name=%s ip=%s", | ||
| zoneID, record.ID, record.Name, record.Content) | ||
| } | ||
| } | ||
| } else { | ||
| log.Printf("removing dns record name=%s ip=%s\n", | ||
| record.Name, record.Content) | ||
| err := api.DeleteDNSRecord(zoneID, record.ID) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to delete dns record zone-id=%s record-id=%s name=%s ip=%s", | ||
| zoneID, record.ID, record.Name, record.Content) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| for ip := range known { | ||
| if _, ok := seen[ip]; ok { | ||
| continue | ||
| } | ||
| log.Printf("adding dns record name=%s ip=%s\n", | ||
| dnsName, ip) | ||
| _, err := api.CreateDNSRecord(zoneID, cloudflare.DNSRecord{ | ||
| Type: "A", | ||
| Name: dnsName, | ||
| Content: ip, | ||
| TTL: cloudflareTTL, | ||
| Proxied: cloudflareProxy, | ||
| }) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to create dns record zone-id=%s name=%s ip=%s", | ||
| zoneID, dnsName, ip) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // findZoneID finds a zone id for the given dns record | ||
| func findZoneID(api interface { | ||
| ListZones(z ...string) ([]cloudflare.Zone, error) | ||
| }, dnsName string) (string, error) { | ||
| zones, err := api.ListZones() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| for _, zone := range zones { | ||
| if zone.Name == dnsName || strings.HasSuffix(dnsName, "."+zone.Name) { | ||
| return zone.ID, nil | ||
| } | ||
| } | ||
|
|
||
| return "", errors.New("zone id not found") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| cloudflare "github.com/cloudflare/cloudflare-go" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| type mockAPI struct { | ||
| listZones func(z ...string) ([]cloudflare.Zone, error) | ||
| } | ||
|
|
||
| func (m mockAPI) ListZones(z ...string) ([]cloudflare.Zone, error) { | ||
| return m.listZones(z...) | ||
| } | ||
|
|
||
| func TestFindZoneID(t *testing.T) { | ||
| t.Run("subdomain", func(t *testing.T) { | ||
| zoneID, err := findZoneID(mockAPI{ | ||
| listZones: func(z ...string) ([]cloudflare.Zone, error) { | ||
| return []cloudflare.Zone{ | ||
| {ID: "1", Name: "example.com"}, | ||
| }, nil | ||
| }, | ||
| }, "kubernetes.example.com") | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, "1", zoneID) | ||
| }) | ||
| t.Run("domain", func(t *testing.T) { | ||
| zoneID, err := findZoneID(mockAPI{ | ||
| listZones: func(z ...string) ([]cloudflare.Zone, error) { | ||
| return []cloudflare.Zone{ | ||
| {ID: "1", Name: "example.com"}, | ||
| }, nil | ||
| }, | ||
| }, "example.com") | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, "1", zoneID) | ||
| }) | ||
| t.Run("partial domain", func(t *testing.T) { | ||
| zoneID, err := findZoneID(mockAPI{ | ||
| listZones: func(z ...string) ([]cloudflare.Zone, error) { | ||
| return []cloudflare.Zone{ | ||
| {ID: "1", Name: "example.com"}, // a bare suffix match would inadvertently match this domain | ||
| {ID: "2", Name: "anotherexample.com"}, | ||
| }, nil | ||
| }, | ||
| }, "anotherexample.com") | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, "2", zoneID) | ||
| }) | ||
| t.Run(".co.uk", func(t *testing.T) { | ||
| zoneID, err := findZoneID(mockAPI{ | ||
| listZones: func(z ...string) ([]cloudflare.Zone, error) { | ||
| return []cloudflare.Zone{ | ||
| {ID: "1", Name: "example.co.uk"}, | ||
| }, nil | ||
| }, | ||
| }, "subdomain.example.co.uk") | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, "1", zoneID) | ||
| }) | ||
| } |