/// <summary>
/// Provide a functional implementation corresponding to the enum value.
/// </summary>
public static SubjectNameStrategyDelegate ToDelegate(this SubjectNameStrategy strategy)
{
switch (strategy)
{
case SubjectNameStrategy.Topic:
return((context, recordType) => $"{context.Topic}" + (context.Component == MessageComponentType.Key ? "-key" : "-value"));
case SubjectNameStrategy.Record:
return((context, recordType) =>
{
if (recordType == null)
{
throw new ArgumentNullException($"recordType must not be null for SubjectNameStrategy.Record");
}
return $"{recordType}";
});
case SubjectNameStrategy.TopicRecord:
return((context, recordType) =>
{
if (recordType == null)
{
throw new ArgumentNullException($"recordType must not be null for SubjectNameStrategy.Record");
}
return $"{context.Topic}-{recordType}";
});
default:
throw new ArgumentException($"Unknown SubjectNameStrategy: {strategy}");
}
}
private static SubjectNameStrategy GetValueSubjectNameStrategy(IEnumerable <KeyValuePair <string, string> > config)
{
var valueSubjectNameStrategyString = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryValueSubjectNameStrategy).Value ?? "";
SubjectNameStrategy valueSubjectNameStrategy = SubjectNameStrategy.Topic;
if (valueSubjectNameStrategyString != "" &&
!Enum.TryParse <SubjectNameStrategy>(valueSubjectNameStrategyString, out valueSubjectNameStrategy))
{
throw new ArgumentException($"Unknown ValueSubjectNameStrategy: {valueSubjectNameStrategyString}");
}
return(valueSubjectNameStrategy);
}
/// <summary>
/// Initialize a new instance of the SchemaRegistryClient class.
/// </summary>
/// <param name="config">
/// Configuration properties.
/// </param>
public CachedSchemaRegistryClient(IEnumerable <KeyValuePair <string, string> > config)
{
if (config == null)
{
throw new ArgumentNullException("config properties must be specified.");
}
var schemaRegistryUrisMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl);
if (schemaRegistryUrisMaybe.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl} configuration property must be specified.");
}
var schemaRegistryUris = (string)schemaRegistryUrisMaybe.Value;
var timeoutMsMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs);
int timeoutMs;
try { timeoutMs = timeoutMsMaybe.Value == null ? DefaultTimeout : Convert.ToInt32(timeoutMsMaybe.Value); }
catch (FormatException) { throw new ArgumentException($"Configured value for {SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs} must be an integer."); }
var identityMapCapacityMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas);
try { this.identityMapCapacity = identityMapCapacityMaybe.Value == null ? DefaultMaxCachedSchemas : Convert.ToInt32(identityMapCapacityMaybe.Value); }
catch (FormatException) { throw new ArgumentException($"Configured value for {SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas} must be an integer."); }
var basicAuthSource = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource).Value ?? "";
var basicAuthInfo = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo).Value ?? "";
string username = null;
string password = null;
if (basicAuthSource == "USER_INFO" || basicAuthSource == "")
{
if (basicAuthInfo != "")
{
var userPass = (basicAuthInfo).Split(':');
if (userPass.Length != 2)
{
throw new ArgumentException($"Configuration property {SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo} must be of the form 'username:password'.");
}
username = userPass[0];
password = userPass[1];
}
}
else if (basicAuthSource == "SASL_INHERIT")
{
if (basicAuthInfo != "")
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but {SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo} as also specified.");
}
var saslUsername = config.FirstOrDefault(prop => prop.Key == "sasl.username");
var saslPassword = config.FirstOrDefault(prop => prop.Key == "sasl.password");
if (saslUsername.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but 'sasl.username' property not specified.");
}
if (saslPassword.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but 'sasl.password' property not specified.");
}
username = saslUsername.Value;
password = saslPassword.Value;
}
else
{
throw new ArgumentException($"Invalid value '{basicAuthSource}' specified for property '{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource}'");
}
var schemaRegistrySecurityProtocol = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistrySecurityProtocol).Value ?? "";
// read new SSL properties
string pfxCertificatePath = string.Empty;
if (schemaRegistrySecurityProtocol.ToUpper() == "SSL")
{
pfxCertificatePath = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryPfx).Value ?? "";
if (string.IsNullOrEmpty(pfxCertificatePath) || !File.Exists(pfxCertificatePath))
{
throw new ArgumentException($"can't locate provided certificate at: {pfxCertificatePath}");
}
}
KeySubjectNameStrategy = GetKeySubjectNameStrategy(config);
ValueSubjectNameStrategy = GetValueSubjectNameStrategy(config);
foreach (var property in config)
{
if (!property.Key.StartsWith("schema.registry."))
{
continue;
}
if (property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryKeySubjectNameStrategy &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryValueSubjectNameStrategy &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistrySecurityProtocol && // check new property
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryPfx) // check new property
{
throw new ArgumentException($"Unknown configuration parameter {property.Key}");
}
}
if (!string.IsNullOrEmpty(pfxCertificatePath))
{
this.restService = new RestService(schemaRegistryUris, timeoutMs, pfxCertificatePath);
}
else
{
this.restService = new RestService(schemaRegistryUris, timeoutMs, username, password);
}
}
/// <summary> /// Helper method to construct the value subject name given the specified parameters. /// </summary> public static string ConstructValueSubjectName(this SubjectNameStrategy strategy, string topic, string recordType = null) => strategy.ToDelegate()(new SerializationContext(MessageComponentType.Value, topic), recordType);
private static void ProduceConsume(string bootstrapServers, string schemaRegistryServers, SubjectNameStrategy nameStrategy)
{
var producerConfig = new ProducerConfig
{
BootstrapServers = bootstrapServers
};
var consumerConfig = new ConsumerConfig
{
BootstrapServers = bootstrapServers,
GroupId = Guid.NewGuid().ToString(),
SessionTimeoutMs = 6000,
AutoOffsetReset = AutoOffsetReset.Earliest,
EnablePartitionEof = true
};
var schemaRegistryConfig = new SchemaRegistryConfig
{
Url = schemaRegistryServers,
// Test ValueSubjectNameStrategy here,
// and KeySubjectNameStrategy in ProduceConsumeGeneric.
ValueSubjectNameStrategy = nameStrategy
};
var adminClientConfig = new AdminClientConfig
{
BootstrapServers = bootstrapServers
};
string topic = Guid.NewGuid().ToString();
using (var adminClient = new AdminClientBuilder(adminClientConfig).Build())
{
adminClient.CreateTopicsAsync(
new List <TopicSpecification> {
new TopicSpecification {
Name = topic, NumPartitions = 1, ReplicationFactor = 1
}
}).Wait();
}
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var producer =
new ProducerBuilder <string, ProduceConsumeUser>(producerConfig)
.SetKeySerializer(new AvroSerializer <string>(schemaRegistry))
.SetValueSerializer(new AvroSerializer <ProduceConsumeUser>(schemaRegistry))
.Build())
{
for (int i = 0; i < 100; ++i)
{
var user = new ProduceConsumeUser
{
name = i.ToString(),
favorite_number = i,
favorite_color = "blue"
};
producer
.ProduceAsync(topic, new Message <string, ProduceConsumeUser> {
Key = user.name, Value = user
})
.Wait();
}
Assert.Equal(0, producer.Flush(TimeSpan.FromSeconds(10)));
}
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var consumer =
new ConsumerBuilder <string, ProduceConsumeUser>(consumerConfig)
.SetKeyDeserializer(new AvroDeserializer <string>(schemaRegistry).AsSyncOverAsync())
.SetValueDeserializer(new AvroDeserializer <ProduceConsumeUser>(schemaRegistry).AsSyncOverAsync())
.SetErrorHandler((_, e) => Assert.True(false, e.Reason))
.Build())
{
consumer.Subscribe(topic);
int i = 0;
while (true)
{
var record = consumer.Consume(TimeSpan.FromMilliseconds(100));
if (record == null)
{
continue;
}
if (record.IsPartitionEOF)
{
break;
}
Assert.Equal(i.ToString(), record.Message.Key);
Assert.Equal(i.ToString(), record.Message.Value.name);
Assert.Equal(i, record.Message.Value.favorite_number);
Assert.Equal("blue", record.Message.Value.favorite_color);
i += 1;
}
Assert.Equal(100, i);
consumer.Close();
}
// Check that what's in schema registry is what's expected.
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
{
var subjects = schemaRegistry.GetAllSubjectsAsync().Result;
if (nameStrategy == SubjectNameStrategy.TopicRecord)
{
Assert.Equal(2, (int)subjects.Where(s => s.Contains(topic)).Count());
Assert.Single(subjects.Where(s => s == $"{topic}-key"));
Assert.Single(subjects.Where(s => s == $"{topic}-{((Avro.RecordSchema)ProduceConsumeUser._SCHEMA).Fullname}"));
}
if (nameStrategy == SubjectNameStrategy.Topic)
{
Assert.Equal(2, (int)subjects.Where(s => s.Contains(topic)).Count());
Assert.Single(subjects.Where(s => s == $"{topic}-key"));
Assert.Single(subjects.Where(s => s == $"{topic}-value"));
}
if (nameStrategy == SubjectNameStrategy.Record)
{
Assert.Single(subjects.Where(s => s.Contains(topic))); // the string key.
Assert.Single(subjects.Where(s => s == $"{topic}-key"));
Assert.Single(subjects.Where(s => s == $"{((Avro.RecordSchema)ProduceConsumeUser._SCHEMA).Fullname}"));
}
}
}
private static void ProduceConsumeNull(string bootstrapServers, string schemaRegistryServers, SubjectNameStrategy nameStrategy)
{
var producerConfig = new ProducerConfig
{
BootstrapServers = bootstrapServers
};
var consumerConfig = new ConsumerConfig
{
BootstrapServers = bootstrapServers,
GroupId = Guid.NewGuid().ToString(),
SessionTimeoutMs = 6000,
AutoOffsetReset = AutoOffsetReset.Earliest,
EnablePartitionEof = true
};
var schemaRegistryConfig = new SchemaRegistryConfig
{
Url = schemaRegistryServers,
};
var avroSerializerConfig = new AvroSerializerConfig
{
SubjectNameStrategy = nameStrategy
};
var adminClientConfig = new AdminClientConfig
{
BootstrapServers = bootstrapServers
};
string topic = Guid.NewGuid().ToString();
using (var adminClient = new AdminClientBuilder(adminClientConfig).Build())
{
adminClient.CreateTopicsAsync(
new List <TopicSpecification> {
new TopicSpecification {
Name = topic, NumPartitions = 1, ReplicationFactor = 1
}
}).Wait();
}
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var producer =
new ProducerBuilder <string, ProduceConsumeUser>(producerConfig)
.SetKeySerializer(new AvroSerializer <string>(schemaRegistry))
// Test ValueSubjectNameStrategy here,
// and KeySubjectNameStrategy in ProduceConsumeGeneric.
.SetValueSerializer(new AvroSerializer <ProduceConsumeUser>(schemaRegistry, avroSerializerConfig))
.Build())
{
for (int i = 0; i < 100; ++i)
{
producer
.ProduceAsync(topic, new Message <string, ProduceConsumeUser> {
Key = null, Value = null
})
.Wait();
}
Assert.Equal(0, producer.Flush(TimeSpan.FromSeconds(10)));
}
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var consumer =
new ConsumerBuilder <string, ProduceConsumeUser>(consumerConfig)
.SetKeyDeserializer(new AvroDeserializer <string>(schemaRegistry).AsSyncOverAsync())
.SetValueDeserializer(new AvroDeserializer <ProduceConsumeUser>(schemaRegistry).AsSyncOverAsync())
.SetErrorHandler((_, e) => Assert.True(false, e.Reason))
.Build())
{
consumer.Subscribe(topic);
int i = 0;
while (true)
{
var record = consumer.Consume(TimeSpan.FromMilliseconds(100));
if (record == null)
{
continue;
}
if (record.IsPartitionEOF)
{
break;
}
Assert.Null(record.Message.Key);
Assert.Null(record.Message.Value);
i += 1;
}
Assert.Equal(100, i);
consumer.Close();
}
}
private static void ProduceConsumeGeneric(string bootstrapServers, string schemaRegistryServers, SubjectNameStrategy nameStrategy)
{
var rs = (RecordSchema)RecordSchema.Parse(
@"{
""namespace"": ""Confluent.Kafka.Examples.AvroSpecific"",
""type"": ""record"",
""name"": ""ProduceConsumeUser2"",
""fields"": [
{""name"": ""name"", ""type"": ""string""},
{""name"": ""favorite_number"", ""type"": [""int"", ""null""]},
{""name"": ""favorite_color"", ""type"": [""string"", ""null""]}
]
}"
);
var config = new ProducerConfig {
BootstrapServers = bootstrapServers
};
var schemaRegistryConfig = new SchemaRegistryConfig
{
Url = schemaRegistryServers,
};
var avroSerializerConfig = new AvroSerializerConfig
{
SubjectNameStrategy = nameStrategy
};
var topic = Guid.NewGuid().ToString();
DeliveryResult <GenericRecord, Null> dr;
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var p =
new ProducerBuilder <GenericRecord, Null>(config)
// Test KeySubjectNameStrategy here,
// and ValueSubjectNameStrategy in ProduceConsume.
.SetKeySerializer(new AvroSerializer <GenericRecord>(schemaRegistry, avroSerializerConfig))
.SetValueSerializer(Serializers.Null)
.Build())
{
var record = new GenericRecord(rs);
record.Add("name", "my name 2");
record.Add("favorite_number", 44);
record.Add("favorite_color", null);
dr = p.ProduceAsync(topic, new Message <GenericRecord, Null> {
Key = record
}).Result;
}
// produce a specific record (to later consume back as a generic record).
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var p =
new ProducerBuilder <ProduceConsumeUser2, Null>(config)
.SetKeySerializer(new AvroSerializer <ProduceConsumeUser2>(schemaRegistry, avroSerializerConfig))
.SetValueSerializer(Serializers.Null)
.Build())
{
var user = new ProduceConsumeUser2
{
name = "my name 3",
favorite_number = 47,
favorite_color = "orange"
};
p.ProduceAsync(topic, new Message <ProduceConsumeUser2, Null> {
Key = user
}).Wait();
}
Assert.Null(dr.Message.Value);
Assert.NotNull(dr.Message.Key);
dr.Message.Key.TryGetValue("name", out object name);
dr.Message.Key.TryGetValue("favorite_number", out object number);
dr.Message.Key.TryGetValue("favorite_color", out object color);
Assert.IsType <string>(name);
Assert.IsType <int>(number);
Assert.Equal("my name 2", name);
Assert.Equal(44, number);
Assert.Null(color);
var cconfig = new ConsumerConfig {
GroupId = Guid.NewGuid().ToString(), BootstrapServers = bootstrapServers
};
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var consumer =
new ConsumerBuilder <GenericRecord, Null>(cconfig)
.SetKeyDeserializer(new AvroDeserializer <GenericRecord>(schemaRegistry).AsSyncOverAsync())
.SetValueDeserializer(Deserializers.Null)
.Build())
{
// consume generic record produced as a generic record.
consumer.Assign(new List <TopicPartitionOffset> {
new TopicPartitionOffset(topic, 0, dr.Offset)
});
var record = consumer.Consume(new CancellationTokenSource(TimeSpan.FromSeconds(10)).Token);
record.Message.Key.TryGetValue("name", out object msgName);
record.Message.Key.TryGetValue("favorite_number", out object msgNumber);
record.Message.Key.TryGetValue("favorite_color", out object msgColor);
Assert.IsType <string>(msgName);
Assert.IsType <int>(msgNumber);
Assert.Equal("my name 2", msgName);
Assert.Equal(44, msgNumber);
Assert.Null(msgColor);
// consume generic record produced as a specific record.
record = consumer.Consume(new CancellationTokenSource(TimeSpan.FromSeconds(10)).Token);
record.Message.Key.TryGetValue("name", out msgName);
record.Message.Key.TryGetValue("favorite_number", out msgNumber);
record.Message.Key.TryGetValue("favorite_color", out msgColor);
Assert.IsType <string>(msgName);
Assert.IsType <int>(msgNumber);
Assert.IsType <string>(msgColor);
Assert.Equal("my name 3", msgName);
Assert.Equal(47, msgNumber);
Assert.Equal("orange", msgColor);
}
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var consumer =
new ConsumerBuilder <ProduceConsumeUser2, Null>(cconfig)
.SetKeyDeserializer(new AvroDeserializer <ProduceConsumeUser2>(schemaRegistry).AsSyncOverAsync())
.SetValueDeserializer(Deserializers.Null)
.Build())
{
consumer.Assign(new List <TopicPartitionOffset> {
new TopicPartitionOffset(topic, 0, dr.Offset)
});
var record = consumer.Consume(new CancellationTokenSource(TimeSpan.FromSeconds(10)).Token);
Assert.Equal("my name 2", record.Message.Key.name);
Assert.Equal(44, record.Message.Key.favorite_number);
Assert.Null(record.Message.Key.favorite_color);
}
// Check that what's in schema registry is what's expected.
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
{
var subjects = schemaRegistry.GetAllSubjectsAsync().Result;
if (nameStrategy == SubjectNameStrategy.TopicRecord)
{
Assert.Single(subjects.Where(s => s.Contains(topic)));
Assert.Single(subjects.Where(s => s == $"{topic}-{((Avro.RecordSchema)ProduceConsumeUser2._SCHEMA).Fullname}"));
}
if (nameStrategy == SubjectNameStrategy.Topic)
{
Assert.Single(subjects.Where(s => s.Contains(topic)));
Assert.Single(subjects.Where(s => s == $"{topic}-key"));
}
if (nameStrategy == SubjectNameStrategy.Record)
{
Assert.Single(subjects.Where(s => s.Contains(topic))); // the string key.
Assert.Single(subjects.Where(s => s == $"{((Avro.RecordSchema)ProduceConsumeUser2._SCHEMA).Fullname}"));
}
}
}
/// <summary>
/// Initialize a new instance of the SchemaRegistryClient class.
/// </summary>
/// <param name="config">
/// Configuration properties.
/// </param>
public CachedSchemaRegistryClient(IEnumerable <KeyValuePair <string, string> > config)
{
if (config == null)
{
throw new ArgumentNullException("config properties must be specified.");
}
var schemaRegistryUrisMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl);
if (schemaRegistryUrisMaybe.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl} configuration property must be specified.");
}
var schemaRegistryUris = (string)schemaRegistryUrisMaybe.Value;
var timeoutMsMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs);
int timeoutMs;
try { timeoutMs = timeoutMsMaybe.Value == null ? DefaultTimeout : Convert.ToInt32(timeoutMsMaybe.Value); }
catch (FormatException) { throw new ArgumentException($"Configured value for {SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs} must be an integer."); }
var identityMapCapacityMaybe = config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas);
try { this.identityMapCapacity = identityMapCapacityMaybe.Value == null ? DefaultMaxCachedSchemas : Convert.ToInt32(identityMapCapacityMaybe.Value); }
catch (FormatException) { throw new ArgumentException($"Configured value for {SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas} must be an integer."); }
var basicAuthSource = Convert.ToString(config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource).Value) ?? "";
var basicAuthInfo = Convert.ToString(config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo).Value) ?? "";
string username = null;
string password = null;
if (basicAuthSource == "USER_INFO" || basicAuthSource == "")
{
if (basicAuthInfo != "")
{
var userPass = (basicAuthInfo).Split(':');
if (userPass.Length != 2)
{
throw new ArgumentException($"Configuration property {SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo} must be of the form 'username:password'.");
}
username = userPass[0];
password = userPass[1];
}
}
else if (basicAuthSource == "SASL_INHERIT")
{
if (basicAuthInfo != "")
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but {SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo} as also specified.");
}
var saslUsername = config.FirstOrDefault(prop => prop.Key == "sasl.username");
var saslPassword = config.FirstOrDefault(prop => prop.Key == "sasl.password");
if (saslUsername.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but 'sasl.username' property not specified.");
}
if (saslPassword.Value == null)
{
throw new ArgumentException($"{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource} set to 'SASL_INHERIT', but 'sasl.password' property not specified.");
}
username = Convert.ToString(saslUsername.Value);
password = Convert.ToString(saslPassword.Value);
}
else
{
throw new ArgumentException($"Invalid value '{basicAuthSource}' specified for property '{SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource}'");
}
var keySubjNameStrategy = Convert.ToString(config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryKeySubjectNameStrategy).Value) ?? "";
var valueSubjNameStrategy = Convert.ToString(config.FirstOrDefault(prop => prop.Key.ToLower() == SchemaRegistryConfig.PropertyNames.SchemaRegistryValueSubjectNameStrategy).Value) ?? "";
if (Enum.TryParse <SubjectNameStrategy>(keySubjNameStrategy, out var strategy))
{
KeySubjectNameStrategy = strategy;
}
if (Enum.TryParse <SubjectNameStrategy>(valueSubjNameStrategy, out strategy))
{
ValueSubjectNameStrategy = strategy;
}
foreach (var property in config)
{
if (!property.Key.StartsWith("schema.registry."))
{
continue;
}
if (property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryUrl &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryRequestTimeoutMs &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryMaxCachedSchemas &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthCredentialsSource &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryBasicAuthUserInfo &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryKeySubjectNameStrategy &&
property.Key != SchemaRegistryConfig.PropertyNames.SchemaRegistryValueSubjectNameStrategy)
{
throw new ArgumentException($"Unknown configuration parameter {property.Key}");
}
}
this.restService = new RestService(schemaRegistryUris, timeoutMs, username, password);
}
