private static bool TopicExists(string topicName)
{
var config = new AdminClientConfig()
{
BootstrapServers = _server
};
using (var client = new AdminClient(config))
{
// Which call auto-creates the topic?
var metaBroker = client.GetMetadata(TimeSpan.FromSeconds(3));
var metaTopic = client.GetMetadata(_topicName, TimeSpan.FromSeconds(3)); // Auto-creates topic. Broker setting?
var resources = new List <ConfigResource>()
{
new ConfigResource()
{
Name = _topicName, Type = ResourceType.Topic
}
};
var options = new DescribeConfigsOptions()
{
RequestTimeout = TimeSpan.FromSeconds(3)
};
var configTask = client.DescribeConfigsAsync(resources, options);
var configResults = configTask.Result;
}
return(false);
}
public async Task <ResourceConfig> GetBrokerConfigAsync(int brokerId, TimeSpan timeout)
{
var resource = new ConfigResource
{
Name = brokerId.ToString(),
Type = ResourceType.Broker
};
var options = new DescribeConfigsOptions
{
RequestTimeout = timeout
};
ICollection <DescribeConfigsResult> results;
try
{
results = await _adminClient.DescribeConfigsAsync(new[] { resource }, options);
}
catch (KafkaException e)
{
throw new AdminClientException("Unable to get broker config.", e);
}
return(Map(results.First()));
}
public Task <List <DescribeConfigsResult> > DescribeConfigsAsync(IEnumerable <ConfigResource> resources, DescribeConfigsOptions options = null)
{
throw new NotImplementedException();
}
public Task <List <DescribeConfigsResult> > DescribeConfigsAsync(IEnumerable <ConfigResource> resources, DescribeConfigsOptions options = null)
{
return(Task.FromResult(new List <DescribeConfigsResult>
{
new DescribeConfigsResult
{
Entries = new Dictionary <string, ConfigEntryResult>
{
{ "num.partitions", new ConfigEntryResult {
IsDefault = true,
IsReadOnly = true,
IsSensitive = false,
Name = "num.partitions",
Value = "1",
Source = ConfigSource.DefaultConfig
} }
}
}
}));
}
public Task <List <DescribeConfigsResult> > DescribeConfigsAsync(IEnumerable <ConfigResource> resources, DescribeConfigsOptions options = null)
{
return(Task.FromResult(new List <DescribeConfigsResult>
{
new DescribeConfigsResult
{
Entries = new Dictionary <string, ConfigEntryResult>
{
{ "num.partitions", new ConfigEntryResult {
IsDefault = true,
IsReadOnly = true,
IsSensitive = false,
Name = "num.partitions",
Value = cluster.DEFAULT_NUMBER_PARTITIONS.ToString(),
Source = ConfigSource.DefaultConfig
} },
{ "replication.factor", new ConfigEntryResult {
IsDefault = true,
IsReadOnly = true,
IsSensitive = false,
Name = "replication.factor",
Value = "1",
Source = ConfigSource.DefaultConfig
} },
}
}
}));
}
