Produce
Produce message to a Pulsar topic.
type: "io.kestra.plugin.pulsar.Produce"Read a CSV file, transform it to the right format, and publish it to Pulsar topic.
id: produce
namespace: company.team
inputs:
- type: FILE
id: file
tasks:
- id: csv_reader
type: io.kestra.plugin.serdes.csv.CsvToIon
from: "{{ inputs.file }}"
- id: file_transform
type: io.kestra.plugin.scripts.nashorn.FileTransform
from: {{ outputs.csv_reader.uri }}"
script: |
var result = {
"key": row.id,
"value": {
"username": row.username,
"tweet": row.tweet
},
"eventTime": row.timestamp,
"properties": {
"key": "value"
}
};
row = result
- id: produce
type: io.kestra.plugin.pulsar.Produce
from: "{{ outputs.file_transform.uri }}"
uri: pulsar://localhost:26650
serializer: JSON
topic: test_kestra
Source of the sent message.
Can be a Kestra internal storage URI, a map or a list in the following format: key, value, eventTime, properties, deliverAt, deliverAfter and sequenceId.
Serializer used for the value.
Pulsar topic to send a message to.
Connection URLs.
You need to specify a Pulsar protocol URL.
- Example of localhost:
pulsar://localhost: 6650 - If you have multiple brokers:
pulsar://localhost: 6650,localhost: 6651,localhost: 6652 - If you use TLS authentication:
pulsar+ssl://pulsar.us-west.example.com: 6651
Configure the type of access mode that the producer requires on the topic.
Possible values are:
Shared: By default, multiple producers can publish to a topic.Exclusive: Require exclusive access for producer. Fail immediately if there's already a producer connected.WaitForExclusive: Producer creation is pending until it can acquire exclusive access.
Authentication token.
Authentication token that can be required by some providers such as Clever Cloud.
Set the compression type for the producer.
By default, message payloads are not compressed. Supported compression types are:
NONE: No compression (Default).LZ4: Compress with LZ4 algorithm. Faster but lower compression than ZLib.ZLIB: Standard ZLib compression.ZSTDCompress with Zstandard codec. Since Pulsar 2.3.SNAPPYCompress with Snappy codec. Since Pulsar 2.4.
Add public encryption key, used by producer to encrypt the data key.
Specify a name for the producer.
Add all the properties in the provided map to the producer.
JSON string of the topic's schema
Required for connecting with topics with a defined schema and strict schema checking
The schema type of the topic
Can be one of NONE, AVRO or JSON. None means there will be no schema enforced.
TLS authentication options.
You need to use "pulsar+ssl://" in serviceUrl to enable TLS support.
Number of messages produced.
The ca certificate.
Must be a base64-encoded pem file.
The client certificate.
Must be a base64-encoded pem file.
The key certificate.
Must be a base64-encoded pem file.