private async Task <string> GetConfigInner(string tenant, string dataId, string group, long timeoutMs)
{
group = ParamUtils.Null2DefaultGroup(group);
ParamUtils.CheckKeyParam(dataId, group);
ConfigResponse cr = new ConfigResponse();
cr.SetDataId(dataId);
cr.SetTenant(tenant);
cr.SetGroup(group);
// 优先使用本地配置
string content = await FileLocalConfigInfoProcessor.GetFailoverAsync(_worker.GetAgentName(), dataId, group, tenant);
if (content != null)
{
_logger?.LogWarning(
"[{0}] [get-config] get failover ok, dataId={1}, group={2}, tenant={3}, config={4}",
_worker.GetAgentName(), dataId, group, tenant, ContentUtils.TruncateContent(content));
cr.SetContent(content);
_configFilterChainManager.DoFilter(null, cr);
content = cr.GetContent();
return(content);
}
try
{
List <string> ct = await _worker.GetServerConfig(dataId, group, tenant, timeoutMs, false);
cr.SetContent(ct[0]);
_configFilterChainManager.DoFilter(null, cr);
content = cr.GetContent();
return(content);
}
catch (NacosException ioe)
{
if (NacosException.NO_RIGHT == ioe.ErrorCode)
{
throw;
}
_logger?.LogWarning(
"[{0}] [get-config] get from server error, dataId={1}, group={2}, tenant={3}, msg={4}",
_worker.GetAgentName(), dataId, group, tenant, ioe.ErrorMsg);
}
_logger?.LogWarning(
"[{0}] [get-config] get snapshot ok, dataId={1}, group={2}, tenant={3}, config={4}",
_worker.GetAgentName(), dataId, group, tenant, ContentUtils.TruncateContent(content));
content = await FileLocalConfigInfoProcessor.GetSnapshotAync(_worker.GetAgentName(), dataId, group, tenant);
cr.SetContent(content);
_configFilterChainManager.DoFilter(null, cr);
content = cr.GetContent();
return(content);
}
protected override async Task <ConfigResponse> QueryConfig(string dataId, string group, string tenant, long readTimeous, bool notify)
{
try
{
var request = new ConfigQueryRequest(dataId, group, tenant);
request.PutHeader("notify", notify.ToString());
var response = (ConfigQueryResponse) await RequestProxy(GetOneRunningClient(), request).ConfigureAwait(false);
ConfigResponse configResponse = new ConfigResponse();
if (response.IsSuccess())
{
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(this.GetName(), dataId, group, tenant, response.Content).ConfigureAwait(false);
configResponse.SetContent(response.Content);
configResponse.SetConfigType(response.ContentType.IsNotNullOrWhiteSpace() ? response.ContentType : "text");
string encryptedDataKey = response.EncryptedDataKey;
await FileLocalConfigInfoProcessor.SaveEncryptDataKeySnapshot(this.GetName(), dataId, group, tenant, encryptedDataKey).ConfigureAwait(false);
configResponse.SetEncryptedDataKey(encryptedDataKey);
return(configResponse);
}
else if (response.ErrorCode.Equals(ConfigQueryResponse.CONFIG_NOT_FOUND))
{
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(this.GetName(), dataId, group, tenant, null).ConfigureAwait(false);
await FileLocalConfigInfoProcessor.SaveEncryptDataKeySnapshot(this.GetName(), dataId, group, tenant, null).ConfigureAwait(false);
return(configResponse);
}
else if (response.ErrorCode.Equals(ConfigQueryResponse.CONFIG_QUERY_CONFLICT))
{
_logger?.LogError(
"[{0}] [sub-server-error] get server config being modified concurrently, dataId={1}, group={2}, tenant={3}",
GetName(), dataId, group, tenant);
throw new NacosException(NacosException.CONFLICT, $"data being modified, dataId={dataId},group={group},tenant={tenant}");
}
else
{
_logger?.LogError(
"[{0}] [sub-server-error] dataId={1}, group={2}, tenant={3}, code={4}",
GetName(), dataId, group, tenant, response.ToJsonString());
throw new NacosException(response.ErrorCode, $"http error, code={response.ErrorCode}, dataId={dataId},group={group},tenant={tenant}");
}
}
catch (Exception ex)
{
_logger?.LogError(ex, "[{0}] [sub-server-error] dataId={1}, group={2}, tenant={3}, code={4} ", GetName(), dataId, group, tenant, ex.Message);
throw;
}
}
private void SafeNotifyListener(string dataId, string group, string content, string type,
string md5, string encryptedDataKey, ManagerListenerWrap wrap)
{
var listener = wrap.Listener;
ConfigResponse cr = new ConfigResponse();
cr.SetDataId(dataId);
cr.SetGroup(group);
cr.SetContent(content);
cr.SetEncryptedDataKey(encryptedDataKey);
ConfigFilterChainManager.DoFilter(null, cr);
// after filter, such as decrypted value
string contentTmp = cr.GetContent();
wrap.LastContent = content;
wrap.LastCallMd5 = md5;
// should pass the value after filter
listener.ReceiveConfigInfo(contentTmp);
}
protected override async Task <ConfigResponse> QueryConfig(string dataId, string group, string tenant, long readTimeous, bool notify)
{
try
{
var request = new ConfigQueryRequest(dataId, group, tenant);
request.PutHeader(ConfigConstants.NOTIFY_HEADER, notify.ToString());
var rpcClient = GetOneRunningClient();
if (notify)
{
var key = GroupKey.GetKeyTenant(dataId, group, tenant);
if (_cacheMap.TryGetValue(key, out var cacheData))
{
rpcClient = EnsureRpcClient(cacheData.TaskId.ToString());
}
}
var response = (ConfigQueryResponse) await RequestProxy(rpcClient, request).ConfigureAwait(false);
ConfigResponse configResponse = new ConfigResponse();
if (response.IsSuccess())
{
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(this.GetName(), dataId, group, tenant, response.Content).ConfigureAwait(false);
configResponse.SetContent(response.Content);
configResponse.SetConfigType(response.ContentType.IsNotNullOrWhiteSpace() ? response.ContentType : "text");
// in nacos 2.0.2 still do not return the EncryptedDataKey
// so this always be null at this time!!!
string encryptedDataKey = response.EncryptedDataKey;
await FileLocalConfigInfoProcessor.SaveEncryptDataKeySnapshot(this.GetName(), dataId, group, tenant, encryptedDataKey).ConfigureAwait(false);
configResponse.SetEncryptedDataKey(encryptedDataKey);
return(configResponse);
}
else if (response.ErrorCode.Equals(ConfigQueryResponse.CONFIG_NOT_FOUND))
{
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(this.GetName(), dataId, group, tenant, null).ConfigureAwait(false);
await FileLocalConfigInfoProcessor.SaveEncryptDataKeySnapshot(this.GetName(), dataId, group, tenant, null).ConfigureAwait(false);
return(configResponse);
}
else if (response.ErrorCode.Equals(ConfigQueryResponse.CONFIG_QUERY_CONFLICT))
{
_logger?.LogError(
"[{0}] [sub-server-error] get server config being modified concurrently, dataId={1}, group={2}, tenant={3}",
GetName(), dataId, group, tenant);
throw new NacosException(NacosException.CONFLICT, $"data being modified, dataId={dataId},group={group},tenant={tenant}");
}
else
{
_logger?.LogError(
"[{0}] [sub-server-error] dataId={1}, group={2}, tenant={3}, code={4}",
GetName(), dataId, group, tenant, response.ToJsonString());
throw new NacosException(response.ErrorCode, $"http error, code={response.ErrorCode}, dataId={dataId},group={group},tenant={tenant}");
}
}
catch (Exception ex)
{
_logger?.LogError(ex, "[{0}] [sub-server-error] dataId={1}, group={2}, tenant={3}, code={4} ", GetName(), dataId, group, tenant, ex.Message);
throw;
}
}
protected override async Task <ConfigResponse> QueryConfig(string dataId, string group, string tenant, long readTimeout, bool notify)
{
ConfigResponse resp = new ConfigResponse();
if (group.IsNullOrWhiteSpace())
{
group = Constants.DEFAULT_GROUP;
}
HttpResponseMessage result = null;
try
{
var paramters = new Dictionary <string, string>(3);
if (tenant.IsNullOrWhiteSpace())
{
paramters["dataId"] = dataId;
paramters["group"] = group;
}
else
{
paramters["dataId"] = dataId;
paramters["group"] = group;
paramters["tenant"] = tenant;
}
var headers = new Dictionary <string, string>(16);
headers["notify"] = notify.ToString();
result = await HttpGet(Constants.CONFIG_CONTROLLER_PATH, headers, paramters, _agent.GetEncode(), readTimeout).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger?.LogError(
ex,
"[{0}] [sub-server] get server config exception, dataId={1}, group={2}, tenant={3}",
_agent.GetName(), dataId, group, tenant);
throw new NacosException(NacosException.SERVER_ERROR, ex.Message);
}
switch (result.StatusCode)
{
case System.Net.HttpStatusCode.OK:
var content = await result.Content.ReadAsStringAsync().ConfigureAwait(false);
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(_agent.GetName(), dataId, group, tenant, content).ConfigureAwait(false);
resp.SetContent(content);
if (result.Headers.TryGetValues(Constants.CONFIG_TYPE, out var values))
{
var t = values.FirstOrDefault();
if (t.IsNotNullOrWhiteSpace())
{
resp.SetConfigType(t);
}
else
{
resp.SetConfigType("text");
}
}
else
{
resp.SetConfigType("text");
}
return(resp);
case System.Net.HttpStatusCode.NotFound:
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(_agent.GetName(), dataId, group, tenant, null).ConfigureAwait(false);
return(resp);
case System.Net.HttpStatusCode.Conflict:
{
_logger?.LogError(
"[{0}] [sub-server-error] get server config being modified concurrently, dataId={1}, group={2}, tenant={3}",
_agent.GetName(), dataId, group, tenant);
throw new NacosException(NacosException.CONFLICT, "data being modified, dataId=" + dataId + ",group=" + group + ",tenant=" + tenant);
}
case System.Net.HttpStatusCode.Forbidden:
{
_logger?.LogError(
"[{0}] [sub-server-error] no right, dataId={1}, group={2}, tenant={3}",
_agent.GetName(), dataId, group, tenant);
throw new NacosException((int)result.StatusCode, result.StatusCode.ToString());
}
default:
{
_logger?.LogError(
"[{0}] [sub-server-error] , dataId={1}, group={2}, tenant={3}, code={4}",
_agent.GetName(), dataId, group, tenant, result.StatusCode);
throw new NacosException((int)result.StatusCode, "http error, code=" + (int)result.StatusCode + ",dataId=" + dataId + ",group=" + group + ",tenant=" + tenant);
}
}
}