@Override
public void deleteDnsRecords(@Nonnull DNSRecord... dnsRecords)
throws CloudException, InternalException {
APITrace.begin(provider, "DNS.deleteDnsRecords");
try {
ProviderContext ctx = provider.getContext();
if (ctx == null) {
logger.error("No context exists for this request");
throw new InternalException("No context exists for this request");
}
for (DNSRecord record : dnsRecords) {
NovaMethod method = new NovaMethod(provider);
List<String> ids = lookupRecord(record);
for (String id : ids) {
method.deleteResource(
SERVICE, RESOURCE, record.getProviderZoneId() + "/records/" + id, null);
}
}
} finally {
APITrace.end();
}
}
private @Nonnull List<String> lookupRecord(DNSRecord record)
throws CloudException, InternalException {
APITrace.begin(provider, "DNS.lookupRecord");
try {
ProviderContext ctx = provider.getContext();
if (ctx == null) {
logger.error("No context exists for this request");
throw new InternalException("No context exists for this request");
}
NovaMethod method = new NovaMethod(provider);
JSONObject response =
method.getResource(SERVICE, RESOURCE, record.getProviderZoneId() + "/records", false);
if (response == null) {
return null;
}
ArrayList<String> ids = new ArrayList<String>();
try {
if (response.has("records")) {
JSONArray list = response.getJSONArray("records");
for (int i = 0; i < list.length(); i++) {
JSONObject item = list.getJSONObject(i);
if (item != null) {
String n = (item.has("name") ? item.getString("name") : null);
String id = (item.has("id") ? item.getString("id") : null);
if (n == null || id == null) {
continue;
}
if (record.getName().equals(n) || record.getName().equals(n + ".")) {
ids.add(id);
}
}
}
}
} catch (JSONException e) {
logger.error("lookupRecord(): JSON error parsing response: " + e.getMessage());
e.printStackTrace();
throw new CloudException(
CloudErrorType.COMMUNICATION, 200, "invalidResponse", "JSON error parsing " + response);
}
return ids;
} finally {
APITrace.end();
}
}
private @Nullable DNSRecord toRecord(
@SuppressWarnings("UnusedParameters") @Nonnull ProviderContext ctx,
@Nonnull DNSZone zone,
@Nullable JSONObject json)
throws CloudException, InternalException {
if (json == null) {
return null;
}
try {
String recordId = (json.has("id") ? json.getString("id") : null);
if (recordId == null) {
return null;
}
String name = (json.has("name") ? json.getString("name") : null);
if (name == null) {
return null;
}
if (name.endsWith(zone.getDomainName())) {
name = name + ".";
}
DNSRecordType recordType = DNSRecordType.A;
String type = (json.has("type") ? json.getString("type") : null);
if (type != null) {
recordType = DNSRecordType.valueOf(type.toUpperCase());
}
String data = (json.has("data") ? json.getString("data") : null);
int ttl = (json.has("ttl") ? json.getInt("ttl") : 3600);
DNSRecord record = new DNSRecord();
record.setName(name);
record.setProviderZoneId(zone.getProviderDnsZoneId());
record.setTtl(ttl);
record.setType(recordType);
record.setValues(data == null ? new String[0] : new String[] {data});
return record;
} catch (JSONException e) {
throw new CloudException(e);
}
}
@Override
public @Nonnull Iterable<DNSRecord> listDnsRecords(
@Nonnull String providerDnsZoneId, @Nullable DNSRecordType forType, @Nullable String name)
throws CloudException, InternalException {
APITrace.begin(provider, "DNS.listDnsRecords");
try {
DNSZone zone = getDnsZone(providerDnsZoneId);
if (zone == null) {
throw new CloudException("No such zone: " + providerDnsZoneId);
}
ProviderContext ctx = provider.getContext();
if (ctx == null) {
logger.error("No context exists for this request");
throw new InternalException("No context exists for this request");
}
NovaMethod method = new NovaMethod(provider);
JSONObject response =
method.getResource(SERVICE, RESOURCE, providerDnsZoneId + "/records", false);
if (response == null) {
return Collections.emptyList();
}
ArrayList<DNSRecord> records = new ArrayList<DNSRecord>();
try {
int count = 0, total = 0;
if (response.has("totalEntries")) {
total = response.getInt("totalEntries");
}
while (response != null) {
int current = 0;
if (response.has("records")) {
JSONArray list = response.getJSONArray("records");
current = list.length();
count += current;
for (int i = 0; i < list.length(); i++) {
DNSRecord record = toRecord(ctx, zone, list.getJSONObject(i));
if (record != null) {
if (forType == null || forType.equals(record.getType())) {
if (name == null || name.equals(record.getName())) {
records.add(record);
}
}
}
}
}
response = null;
if (current > 0 && count < total) {
response =
method.getResource(
SERVICE, RESOURCE, providerDnsZoneId + "/records?offset=" + count, false);
}
}
} catch (JSONException e) {
logger.error("listDnsRecords(): JSON error parsing response: " + e.getMessage());
e.printStackTrace();
throw new CloudException(
CloudErrorType.COMMUNICATION, 200, "invalidResponse", "JSON error parsing " + response);
}
return records;
} finally {
APITrace.end();
}
}
