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 async Task CheckLocalConfig(string agentName, CacheData cacheData)
{
string dataId = cacheData.DataId;
string group = cacheData.Group;
string tenant = cacheData.Tenant;
var path = FileLocalConfigInfoProcessor.GetFailoverFile(agentName, dataId, group, tenant);
if (!cacheData.IsUseLocalConfig && path.Exists)
{
string content = await FileLocalConfigInfoProcessor.GetFailoverAsync(agentName, dataId, group, tenant);
string md5 = HashUtil.GetMd5(content);
cacheData.SetUseLocalConfigInfo(true);
cacheData.SetLocalConfigInfoVersion(path.LastWriteTimeUtc.ToTimestamp());
cacheData.SetContent(content);
_logger?.LogWarning(
"[{0}] [failover-change] failover file created. dataId={1}, group={2}, tenant={3}, md5={4}, content={5}",
agentName, dataId, group, tenant, md5, ContentUtils.TruncateContent(content));
return;
}
// If use local config info, then it doesn't notify business listener and notify after getting from server.
if (cacheData.IsUseLocalConfig && !path.Exists)
{
cacheData.SetUseLocalConfigInfo(false);
_logger?.LogWarning(
"[{0}] [failover-change] failover file deleted. dataId={1}, group={2}, tenant={3}",
agentName, dataId, group, tenant);
return;
}
// When it changed.
if (cacheData.IsUseLocalConfig &&
path.Exists &&
cacheData.GetLocalConfigInfoVersion() != path.LastWriteTimeUtc.ToTimestamp())
{
string content = await FileLocalConfigInfoProcessor.GetFailoverAsync(agentName, dataId, group, tenant);
string md5 = HashUtil.GetMd5(content);
cacheData.SetUseLocalConfigInfo(true);
cacheData.SetLocalConfigInfoVersion(path.LastWriteTimeUtc.ToTimestamp());
cacheData.SetContent(content);
_logger?.LogWarning(
"[{0}] [failover-change] failover file created. dataId={1}, group={2}, tenant={3}, md5={4}, content={5}",
agentName, dataId, group, tenant, md5, ContentUtils.TruncateContent(content));
}
}
protected override async Task <List <string> > QueryConfig(string dataId, string group, string tenant, long readTimeout, bool notify)
{
string[] ct = new string[2];
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);
}
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();
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(_agent.GetName(), dataId, group, tenant, content);
ct[0] = content;
if (result.Headers.TryGetValues(Constants.CONFIG_TYPE, out var values))
{
var t = values.FirstOrDefault();
if (t.IsNotNullOrWhiteSpace())
{
ct[1] = t;
}
else
{
ct[1] = "text";
}
}
else
{
ct[1] = "text";
}
return(ct.ToList());
case System.Net.HttpStatusCode.NotFound:
await FileLocalConfigInfoProcessor.SaveSnapshotAsync(_agent.GetName(), dataId, group, tenant, null);
return(ct.ToList());
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);
}
}
}
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;
}
}