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InfluxDB Sink properties reference

Review the following reference for a comprehensive list of the connector properties that are specific to the InfluxDB Sink connector.

The properties listed in this reference must be added to the connector configuration with the following prefix:
parameter.[***CONNECTOR NAME***] Parameters:

In addition to the properties listed here, this connector also accepts certain properties of the Kafka Connect framework as well as the properties of the NiFi Stateless Sink connector. When creating a new connector using the Streams Messaging Manager UI, all valid properties are presented in the default configuration template. You can view the configuration template to get a full list of valid properties. In addition, for more information regarding the accepted properties not listed here, you can review the Apache Kafka documentation and the Stateless NiFi Sink properties reference.

Batch Size

Description
Maximum size of records merged together and put to InfluxDB in one batch. Example values: 100 MB, 1 GB
Default Value
1 MB
Accepted Values
Required
true

Consistency Level

Description
Specifies the InfluxDB consistency level
Default Value
ONE
Accepted Values
ONRE ANY, ALL, QUORUM
Required
true

Date Format

Description
Specifies the format to use when reading date fields from JSON. If Forward Raw Data is set to false, the format defined here also applies to the date fields in the output JSON message.
Default Value
yyyy-MM-dd
Accepted Values
Required
true

InfluxDB Connection URL

Description
Specifies the InfluxDB URL to connect to.
Default Value
http://localhost:8086
Accepted Values
Required
true

InfluxDB Database Name

Description
The name of the InfluxDB database to connect to.
Default Value
Accepted Values
Required
true

InfluxDB User Name

Description
The username for accessing InfluxDB.
Default Value
Accepted Values
Required
false

InfluxDB User Password

Description
The password for InfluxDB user.
Default Value
Accepted Values
Required
false

Kafka Message Data Format

Description
Specifies the format of the messages the connector receives from Kafka. If the Forward Raw Data property is set to true then this property is ignored. However, even in a case like this, this property must be assigned a valid value.
Default Value
AVRO
Accepted Values
AVRO, JSON
Required
true

Kerberos Keytab for Schema Registry

Description
The fully-qualified filename of the Kerberos keytab associated with the principal for accessing Schema Registry.
Default Value
The location of the default keytab which is empty and can only be used for unsecure connections.
Accepted Values
Required
true

Kerberos Principal for Schema Registry

Description
The Kerberos principal used for authenticating to Schema Registry.
Default Value
default
Accepted Values
Required
true

Line Protocol Query

Description
A record schema based query which returns the attributes in line protocol format.
Default Value
Accepted Values
Required
true

Retention Policy

Description
Specifies the retention policy for saving records in InfluxDB.
Default Value
autogen
Accepted Values
Required
true

Schema Access Strategy

Description
Specifies the strategy used for determining the schema of the Kafka record. The value you set here depends on the data format set in Kafka Message Data Format.
  • If set to Schema Registry, the schema is read from Schema Registry. This setting can be used with both Avro and JSON formats.
  • If set to Infer Schema, the schema is inferred based on the input file. This setting can only be used if Kafka Message Data Format is JSON.
  • If set to Embedded Schema, the schema embedded in the input is used. This setting can only be used if Kafka Message Data Format is Avro.
  • If set to HWX Content-Encoded Schema Reference, the schema is read from Schema Registry. This setting can only be used if Kafka Message Data Format is Avro. In this case the Avro messages are expected to have a reference to the schema in Schema Registry encoded within the message content.
Default Value
Schema Registry
Accepted Values
Schema Registry, Infer Schema, Embedded Schema, HWX Content-Encoded Schema Reference
Required
true

Schema Branch

Description
The name of the branch to use when looking up the schema in Schema Registry. Schema Branch and Schema Version cannot be specified at the same time. If one is specified, the other needs to be removed from the configuration. If Schema Registry is not used, this property must be completely removed from the configuration.
Default Value
Accepted Values
Required
false

Schema Name

Description
The schema name to look up in Schema Registry.

If the Schema Access Strategy property is set to Schema Registry, this property must contain a valid schema name.

If Schema Registry is not used, this property must be completely removed from the configuration.

Default Value
Accepted Values
Required
false

Schema Registry URL

Description
The URL of the Schema Registry server. If Schema Registry is not used, use the default value.
Default Value
http://localhost:7788/api/v1
Accepted Values
Required
true

Schema Version

Description
The version of the schema to look up in Schema Registry. If Schema Registry is used and a schema version is not specified, the latest version of the schema is retrieved. Schema Branch and Schema Version cannot be specified at the same time. If one is specified, the other needs to be removed from the configuration. If Schema Registry is not used, this property must be completely removed from the configuration.
Default Value
Accepted Values
Required
false

Time Format

Description
Specifies the format to use when reading time fields from JSON. If Forward Raw Data is set to false, the format defined here also applies to the time fields in the output JSON message.
Default Value
HH:mm:ss
Accepted Values
Required
true

Timestamp Format

Description
Specifies the format to use when reading timestamp fields from JSON. If Forward Raw Data is set to false, the format defined here also applies to the timestamp fields in the output JSON message.
Default Value
HH:mm:ss.SSS
Accepted Values
Required
true

Truststore Filename for Schema Registry

Description
The fully-qualified filename of a truststore. This truststore is used to establish a secure connection with Schema Registry using TLS.
Default Value
The location of the default truststore which is empty and can only be used for unsecure connection.
Accepted Values
Required
true

Truststore Password for Schema Registry

Description
The password used to access the contents of the truststore configured in the Truststore Filename for Schema Registry property.
Default Value
password
Accepted Values
Required
true

Truststore Type for Schema Registry

Description
The type of the truststore configured in the Truststore Filename for Schema Registry property.
Default Value
JKS
Accepted Values
BCFKS, PKCS12, JKS
Required
true