Kafka

Kafka (kafka)

Consume records from Kafka/Redpanda clusters.

Messaging binary json raw

Minimal example

input:
  kafka:
    bootstrap-servers: ""

JSON

{
  "input": {
    "kafka": {
      "bootstrap-servers": ""
    }
  }
}

Contents

• Minimal example

• Advanced

• Authentication

• Connection

• Cursor

• Payload

• Processing

• Reliability

• Schema

• Subscription

• Trigger

• Schema

Advanced

Advanced

Field	Type	Required	Description
global-options ✓	map (string)		Additional librdkafka consumer configuration.
topic-options ✓	map (string)		Topic-level librdkafka configuration overrides.

Authentication

Authentication

Field	Type	Required	Description
auth	Kafka Authentication		Authentication and TLS material.

Connection

Connection

Field	Type	Required	Description
bootstrap-servers	hostname (string)	✅	Comma separated bootstrap server list. Examples: example.com, localhost
client-id	string		Optional client identifier override.
group-id	string		Consumer group identifier (required for coordinated consumption).

Cursor

Cursor

Field	Type	Required	Description
cursor	Kafka Cursor		Cursor persistence configuration for incremental polling.

Payload

Payload

Field	Type	Required	Description
payload	Kafka Payload Format		Controls how payload bytes should be interpreted. Allowed values: json, raw, avro-bridge

Processing

Processing

Field	Type	Required	Description
batch	Batch		Optional batching semantics shared with other inputs.

Reliability

Reliability

Field	Type	Required	Description
retry	Retry		Retry configuration for transient failures.

Schema

Schema

Field	Type	Required	Description
avro	Schema Registry		Schema registry configuration (required for Avro bridge).

Subscription

Subscription

Field	Type	Required	Description
topics	string[]		Explicit list of topics to subscribe to.
topic-pattern	string		Regex pattern for dynamic topic subscription.
partitions ✓	map (string)		Explicit partition list per topic.
assignments	Assignments[]		Static assignments of topic/partition pairs.

Trigger

Trigger

Field	Type	Required	Description
trigger	Trigger		Run on the provided cadence; if omitted, this input runs exactly once. Allowed values: message, cron, interval

Schema

• Trigger - Cron - Window - Window Start Options
• Trigger - Interval - Window - Window Start Options
• Trigger Options
• Kafka Authentication - Kafka SASL Fields
• Kafka Authentication - Kafka TLS Fields
• Kafka Authentication Fields
• Kafka Cursor Fields
• Batch Fields
• Retry Fields
• Schema Registry Fields
• Assignments Fields
• Trigger - Message Fields
• Trigger - Cron - Window - Window Start - Start Time Fields
• Trigger - Cron - Window Fields
• Trigger - Cron Fields
• Trigger - Interval - Window - Window Start - Start Time Fields
• Trigger - Interval - Window Fields
• Trigger - Interval Fields
• Global Options Table
• Topic Options Table
• Kafka Authentication - Kafka SASL - Extensions Table
• Kafka Authentication - Config Table
• Kafka Cursor - Per Partition Table
• Kafka Authentication - Kafka SASL - Kafka SASL Mechanism Options
• Kafka Cursor - Cursor Mode Options
• Kafka Payload Format Options
• Trigger - Message - Filter Kind Options
• Trigger - Message - Filter Source Options
• Trigger - Message - Filter Type Options

Trigger - Cron - Window - Window Start Options

Option	Name	Type	Description
start-time	Start Time	object
tracked	Tracked	string	Examples: /path/to/file, c:\users\joe\data\file.txt

Trigger - Interval - Window - Window Start Options

Option	Name	Type	Description
start-time	Start Time	object
tracked	Tracked	string	Examples: /path/to/file, c:\users\joe\data\file.txt

Trigger Options

Option	Name	Type	Description
message	Message	object
cron	Cron	object
interval	Interval	object

Kafka Authentication - Kafka SASL Fields

Field	Type	Required	Description
mechanism	Kafka SASL Mechanism	✅	Allowed values: plain, scram-sha256, scram-sha512, o-auth-bearer
username ✓	string
password ✓	string
token ✓	string
token-command ✓	string
extensions ✓	map (string)

Kafka Authentication - Kafka TLS Fields

Field	Type	Required	Description
ca-certificate	string
client-certificate	string
client-key	string
insecure-skip-verify ✓	boolean (bool)		Default: false

Kafka Authentication Fields

Field	Type	Required	Description
sasl	Kafka SASL
tls	Kafka TLS
config ✓	map (string)		Additional librdkafka configuration forwarded verbatim.

Kafka Cursor Fields

Field	Type	Required	Description
mode	Cursor Mode		Default: offset Allowed values: offset, timestamp, custom
persist-to	string
initial-offset	string
initial-timestamp	string
per-partition	map (string)		Per-topic/partition initial offsets in the form topic:partition -> offset.
custom-value	string
state-id	string		Optional human-readable identifier used to stabilise cursor persistence across redeployments.

Batch Fields

Field	Type	Required	Description
uuid-field	field (string)		Field where generated uuid, the unique marker for the group, will be stored. Examples: data_field
invocation-time-field	field (string)		Field where invocation time will be stored. Examples: data_field
completion-time-field	field (string)		Field where completion (end of execution) time will be stored. Examples: data_field
begin-marker-field	field (string)		Field used to mark first event in the group. Examples: data_field
end-marker-field	field (string)		Field used to mark last event in the group. Examples: data_field
line-count-field	field (string)		Field used to store the line count of the batch. Examples: data_field
line-num-field	field (string)		Field used to store the line number of the batch. Examples: data_field

Retry Fields

Field	Type	Required	Description
timeout	time-interval (string)	✅	timeout (e.g. 500ms, 2s etc. - default is 30). Examples: 500ms, 2h
retries	number (integer)		number of retries. Examples: 42, 1.2e-10

Schema Registry Fields

Field	Type	Required	Description
url	url (string)	✅	Examples: https://example.com/path
username	string
password	string
access-token	string
subject-suffix	string		Optional suffix appended to subject names (e.g. -value).
use-latest ✓	boolean (bool)		When true, fetch the latest compatible schema instead of an explicit version. Default: false

Assignments Fields

Field	Type	Required	Description
topic	string	✅
partition ✓	string	✅
offset	string

Trigger - Message Fields

Field	Type	Required	Description
limit ✓	number (integer)		The number of times to run the input. Examples: 42, 1.2e-10
filter-kind	Filter Kind		Specifies whether the message originated from the “system” or by the “user”. Allowed values: system, user, runtime-artifact-fetch, runtime-artifact-fetch-error, runtime-artifact-clear, runtime-artifact-clear-ack, runtime-artifact-fetch-reply, runtime-artifact-update, runtime-artifact-update-ack
filter-source	Filter Source[]		Specifies what process generated the message. Was it a “server”, “worker” or “job”? Allowed values: job, worker, server
filter-worker	string		Specifies what worker to select.
filter-job	string		Specifies the name of the job that the message came from.
filter-type	Filter Type[]		Specifies that particular types of message ought to match. Allowed values: worker-licensed, worker-unlicensed, variable, variable-deleted, begin-shutting-down-job, begin-shutting-down-server, begin-shutting-down-worker, broadcast-job-thread-state, broadcast-server-thread-state, broadcast-worker-thread-state, …
filter-tag	string		Specifies that messages matched ought to carry a tag with a particular value. This only matches against user-generated messages.

Trigger - Cron - Window - Window Start - Start Time Fields

Field	Type	Required	Description
start-time	time-format (string)	✅	Allows the windowing to start at a specified time. Hint: %Y-%m-%d %H:%M:%S%.3f %z
highwatermark-file	path (string)	✅	Specify file where timestamp would be stored in order to resume, for when Job has been restarted. Examples: /path/to/file, c:\users\joe\data\file.txt

Trigger - Cron - Window Fields

Field	Type	Required	Description
size	duration (string)	✅	Window size.
offset	duration (string)		Window offset. Default: 0s
start	Window Start		Specify file where timestamp would be stored in order to resume, for when Job has been restarted. Allowed values: start-time, tracked

Trigger - Cron Fields

Field	Type	Required	Description
cron	cron-expression (string)	✅	The Cron pattern.
immediate ✓	boolean (bool)		Run as soon as invoked, instead of waiting for the specified cron interval. Default: false
random-offset	duration (string)		Sets a random offset to the schedule, then sticks to it. Default: 0s
window	Window		Optional window definition when the schedule should only read a bounded range.

Trigger - Interval - Window - Window Start - Start Time Fields

Field	Type	Required	Description
start-time	time-format (string)	✅	Allows the windowing to start at a specified time. Hint: %Y-%m-%d %H:%M:%S%.3f %z
highwatermark-file	path (string)	✅	Specify file where timestamp would be stored in order to resume, for when Job has been restarted. Examples: /path/to/file, c:\users\joe\data\file.txt

Trigger - Interval - Window Fields

Field	Type	Required	Description
size	duration (string)	✅	Window size.
offset	duration (string)		Window offset. Default: 0s
start	Window Start		Specify file where timestamp would be stored in order to resume, for when Job has been restarted. Allowed values: start-time, tracked

Trigger - Interval Fields

Field	Type	Required	Description
duration	duration (string)	✅	Duration to wait between events.
random-offset	duration (string)		Sets a random offset to the schedule, then sticks to it. Default: 0s
window	Window		Optional window definition when the interval should only cover a bounded range.

Global Options Table

Option	Value
option.name	value

Value format: templated-text.

Topic Options Table

Topic option	Value
option.name	value

Value format: templated-text.

Kafka Authentication - Kafka SASL - Extensions Table

Extension	Value
key	value

Value format: templated-text.

Kafka Authentication - Config Table

Option	Value
option.name	value

Value format: templated-text.

Kafka Cursor - Per Partition Table

Topic:Partition	Offset
topic:partition	offset

Kafka Authentication - Kafka SASL - Kafka SASL Mechanism Options

Value	Name	Description
plain	plain	Plain
scram-sha256	scram-sha256	Scram Sha256
scram-sha512	scram-sha512	Scram Sha512
o-auth-bearer	o-auth-bearer	O Auth Bearer

Kafka Cursor - Cursor Mode Options

Value	Name	Description
offset	offset	Offset
timestamp	timestamp	Timestamp
custom	custom	Custom

Kafka Payload Format Options

Value	Name	Description
json	json	Json
raw	raw	Raw
avro-bridge	avro-bridge	Avro Bridge

Trigger - Message - Filter Kind Options

Value	Name	Description
system	system	System
user	user	User
runtime-artifact-fetch	runtime-artifact-fetch	Runtime Artifact Fetch
runtime-artifact-fetch-error	runtime-artifact-fetch-error	Runtime Artifact Fetch Error
runtime-artifact-clear	runtime-artifact-clear	Runtime Artifact Clear
runtime-artifact-clear-ack	runtime-artifact-clear-ack	Runtime Artifact Clear Ack
runtime-artifact-fetch-reply	runtime-artifact-fetch-reply	Runtime Artifact Fetch Reply
runtime-artifact-update	runtime-artifact-update	Runtime Artifact Update
runtime-artifact-update-ack	runtime-artifact-update-ack	Runtime Artifact Update Ack

Trigger - Message - Filter Source Options

Value	Name	Description
job	job	Job
worker	worker	Worker
server	server	Server

Trigger - Message - Filter Type Options

Value	Name	Description
worker-licensed	worker-licensed	Worker Licensed
worker-unlicensed	worker-unlicensed	Worker Unlicensed
variable	variable	Variable
variable-deleted	variable-deleted	Variable Deleted
begin-shutting-down-job	begin-shutting-down-job	Begin Shutting Down Job
begin-shutting-down-server	begin-shutting-down-server	Begin Shutting Down Server
begin-shutting-down-worker	begin-shutting-down-worker	Begin Shutting Down Worker
broadcast-job-thread-state	broadcast-job-thread-state	Broadcast Job Thread State
broadcast-server-thread-state	broadcast-server-thread-state	Broadcast Server Thread State
broadcast-worker-thread-state	broadcast-worker-thread-state	Broadcast Worker Thread State
check-job-report-time	check-job-report-time	Check Job Report Time
check-worker-report-time	check-worker-report-time	Check Worker Report Time
de-register-job-thread-dependency	de-register-job-thread-dependency	De Register Job Thread Dependency
de-register-server-thread-dependency	de-register-server-thread-dependency	De Register Server Thread Dependency
de-register-worker-thread-dependency	de-register-worker-thread-dependency	De Register Worker Thread Dependency
deployed-job-active	deployed-job-active	Deployed Job Active
deployed-job-removed	deployed-job-removed	Deployed Job Removed
deployed-job-should-be-running	deployed-job-should-be-running	Deployed Job Should Be Running
deployment-phase	deployment-phase	Deployment Phase
heart-beat	heart-beat	Heart Beat
initialise-internal-state	initialise-internal-state	Initialise Internal State
initialise-job-states	initialise-job-states	Initialise Job States
job-batch-end	job-batch-end	Job Batch End
job-backlog-update	job-backlog-update	Job Backlog Update
job-checkpoint-update	job-checkpoint-update	Job Checkpoint Update
job-deploy-ready	job-deploy-ready	Job Deploy Ready
job-deployed	job-deployed	Job Deployed
job-document-end	job-document-end	Job Document End
job-document-start	job-document-start	Job Document Start
job-errors	job-errors	Job Errors
job-execution-anomaly	job-execution-anomaly	Job Execution Anomaly
job-execution-status	job-execution-status	Job Execution Status
job-emit-custom	job-emit-custom	Job Emit Custom
job-finished	job-finished	Job Finished
job-idle	job-idle	Job Idle
job-initiated	job-initiated	Job Initiated
job-is-processing	job-is-processing	Job Is Processing
job-logs	job-logs	Job Logs
job-metrics	job-metrics	Job Metrics
job-notifications	job-notifications	Job Notifications
job-removing	job-removing	Job Removing
job-removed	job-removed	Job Removed
job-remove-failed	job-remove-failed	Job Remove Failed
job-remove-ready	job-remove-ready	Job Remove Ready
job-replaced	job-replaced	Job Replaced
job-required	job-required	Job Required
job-run-ended	job-run-ended	Job Run Ended
job-runtime-error	job-runtime-error	Job Runtime Error
job-runtime-settings	job-runtime-settings	Job Runtime Settings
job-run-started	job-run-started	Job Run Started
job-running-docker	job-running-docker	Job Running Docker
job-running-script	job-running-script	Job Running Script
job-running-subprocess	job-running-subprocess	Job Running Subprocess
job-running-system-d	job-running-system-d	Job Running System D
job-settings	job-settings	Job Settings
job-step-statistics	job-step-statistics	Job Step Statistics
job-started	job-started	Job Started
job-staged	job-staged	Job Staged
job-state-transition	job-state-transition	Job State Transition
job-shutting-down	job-shutting-down	Job Shutting Down
job-stopping	job-stopping	Job Stopping
job-stopped	job-stopped	Job Stopped
job-timed-out	job-timed-out	Job Timed Out
job-suspicious-silence	job-suspicious-silence	Job Suspicious Silence
job-thread-state	job-thread-state	Job Thread State
job-trace	job-trace	Job Trace
job-trace-requires-samples	job-trace-requires-samples	Job Trace Requires Samples
job-updated	job-updated	Job Updated
job-worker-comms-error	job-worker-comms-error	Job Worker Comms Error
job-unstaged	job-unstaged	Job Unstaged
license-state-changed	license-state-changed	License State Changed
license-validation-failed	license-validation-failed	License Validation Failed
license-validation-ok	license-validation-ok	License Validation Ok
license-volume-violation	license-volume-violation	License Volume Violation
new-license	new-license	New License
override-job-coordinated-shutdown	override-job-coordinated-shutdown	Override Job Coordinated Shutdown
override-server-coordinated-shutdown	override-server-coordinated-shutdown	Override Server Coordinated Shutdown
override-worker-coordinated-shutdown	override-worker-coordinated-shutdown	Override Worker Coordinated Shutdown
register-job-thread-dependency	register-job-thread-dependency	Register Job Thread Dependency
register-server-thread-dependency	register-server-thread-dependency	Register Server Thread Dependency
register-worker-thread-dependency	register-worker-thread-dependency	Register Worker Thread Dependency
run-job-failure	run-job-failure	Run Job Failure
server-logs	server-logs	Server Logs
server-metrics-batch	server-metrics-batch	Server Metrics Batch
server-started	server-started	Server Started
server-starting	server-starting	Server Starting
server-stopping	server-stopping	Server Stopping
server-thread-state	server-thread-state	Server Thread State
server-worker-comms-error	server-worker-comms-error	Server Worker Comms Error
shutdown-jobs	shutdown-jobs	Shutdown Jobs
shutdown-worker	shutdown-worker	Shutdown Worker
system-shutdown	system-shutdown	System Shutdown
update-upstream-sync-for-job	update-upstream-sync-for-job	Update Upstream Sync For Job
update-upstream-sync-for-worker	update-upstream-sync-for-worker	Update Upstream Sync For Worker
update-variable	update-variable	Update Variable
user-alert	user-alert	User Alert
user-generated	user-generated	User Generated
user-notification	user-notification	User Notification
worker-command-for-job	worker-command-for-job	Worker Command For Job
worker-auth-lease-ack	worker-auth-lease-ack	Worker Auth Lease Ack
worker-connected	worker-connected	Worker Connected
worker-created	worker-created	Worker Created
worker-debug-heart-beat	worker-debug-heart-beat	Worker Debug Heart Beat
worker-error	worker-error	Worker Error
worker-first-seen	worker-first-seen	Worker First Seen
worker-heart-beat	worker-heart-beat	Worker Heart Beat
worker-logs	worker-logs	Worker Logs
worker-metrics-batch	worker-metrics-batch	Worker Metrics Batch
worker-offline	worker-offline	Worker Offline
worker-requests-auth-lease	worker-requests-auth-lease	Worker Requests Auth Lease
worker-server-comms-error	worker-server-comms-error	Worker Server Comms Error
worker-settings	worker-settings	Worker Settings
worker-shutdown	worker-shutdown	Worker Shutdown
worker-shutting-down	worker-shutting-down	Worker Shutting Down
worker-started	worker-started	Worker Started
worker-state-uuid	worker-state-uuid	Worker State Uuid
worker-stopping	worker-stopping	Worker Stopping
worker-suspicious-silence	worker-suspicious-silence	Worker Suspicious Silence
worker-system-information	worker-system-information	Worker System Information
worker-thread-state	worker-thread-state	Worker Thread State
worker-updated	worker-updated	Worker Updated
worker-modified	worker-modified	Worker Modified
worker-removed	worker-removed	Worker Removed
context-changed	context-changed	Context Changed
rerender-deployment	rerender-deployment	Rerender Deployment
job-killed	job-killed	Job Killed
message-serviced	message-serviced	Message Serviced
failed-to-service-message	failed-to-service-message	Failed To Service Message
worker-wants-initial-settings	worker-wants-initial-settings	Worker Wants Initial Settings
worker-wants-initial-settings-reply	worker-wants-initial-settings-reply	Worker Wants Initial Settings Reply
worker-wants-deployed-jobs	worker-wants-deployed-jobs	Worker Wants Deployed Jobs
worker-wants-deployed-jobs-reply	worker-wants-deployed-jobs-reply	Worker Wants Deployed Jobs Reply
worker-wants-job-configuration	worker-wants-job-configuration	Worker Wants Job Configuration
worker-wants-job-configuration-reply	worker-wants-job-configuration-reply	Worker Wants Job Configuration Reply
job-wants-dslir-key	job-wants-dslir-key	Job Wants Dslir Key
job-wants-dslir-key-reply	job-wants-dslir-key-reply	Job Wants Dslir Key Reply
worker-wants-dslir-key	worker-wants-dslir-key	Worker Wants Dslir Key
worker-wants-dslir-key-reply	worker-wants-dslir-key-reply	Worker Wants Dslir Key Reply
job-wants-variables	job-wants-variables	Job Wants Variables
job-wants-variables-reply	job-wants-variables-reply	Job Wants Variables Reply
job-wants-credentials	job-wants-credentials	Job Wants Credentials
job-wants-credentials-reply	job-wants-credentials-reply	Job Wants Credentials Reply
job-wants-credentials-error	job-wants-credentials-error	Job Wants Credentials Error
job-wants-secret-variables-reply	job-wants-secret-variables-reply	Job Wants Secret Variables Reply
job-credentials-invalidated	job-credentials-invalidated	Job Credentials Invalidated
aggregator-health	aggregator-health	Aggregator Health
worker-aggregator-health	worker-aggregator-health	Worker Aggregator Health
worker-verification-token	worker-verification-token	Worker Verification Token
worker-requests-verification-token	worker-requests-verification-token	Worker Requests Verification Token
runtime-artifact-update	runtime-artifact-update	Runtime Artifact Update
runtime-artifact-update-ack	runtime-artifact-update-ack	Runtime Artifact Update Ack
runtime-artifact-clear	runtime-artifact-clear	Runtime Artifact Clear
runtime-artifact-clear-ack	runtime-artifact-clear-ack	Runtime Artifact Clear Ack
runtime-artifact-fetch	runtime-artifact-fetch	Runtime Artifact Fetch
runtime-artifact-fetch-reply	runtime-artifact-fetch-reply	Runtime Artifact Fetch Reply
runtime-artifact-fetch-error	runtime-artifact-fetch-error	Runtime Artifact Fetch Error