Broker Bridge Configuration

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General Configuration
Key
Acceptable Values
Default
broker_bridge.config_file
The configuration filename for the Broker Bridge. 
Read the Broker Bridge Settings section on the specification file format.
path to a file
$(platform_etc_dir)/
broker_bridge_config.json
Kafka Bridge Configuration
The following shows an example configuration for a Kafka bridge.
bondy.conf
broker_bridge.config_file = $(platform_etc_dir)/broker_bridge_config.json
broker_bridge.kafka.enabled = on
broker_bridge.kafka.clients.default.allow_topic_auto_creation = off
broker_bridge.kafka.clients.default.auto_start_producers = on
broker_bridge.kafka.clients.default.endpoints = [{"127.0.0.1", 9092}]
broker_bridge.kafka.clients.default.max_metadata_sock_retry = 5
broker_bridge.kafka.clients.default.producer.partition_restart_delay_seconds = 2s
broker_bridge.kafka.clients.default.producer.required_acks = 1
broker_bridge.kafka.clients.default.producer.topic_restart_delay_seconds = 10s
broker_bridge.kafka.clients.default.reconnect_cool_down_seconds = 10s
broker_bridge.kafka.clients.default.restart_delay_seconds = 10s
broker_bridge.kafka.topics.account_events = ${MAGENTA_ACCOUNT_EVENTS_TOPIC}
broker_bridge.kafka.topics.user_events = ${MAGENTA_USER_EVENTS_TOPIC}
Key
Acceptable Values
Default
broker_bridge.kafka.enabled
on | off
off
broker_bridge.kafka.topics.$name
A mapping of Clients to Kafka topics. 
This mapping is used by the JSON 
broker_bridge.config_file which defines the 
subscribers for each bridge.
​
a list of erlang tuples
[{"127.0.0.1", 9092}]
broker_bridge.kafka.clients.$name.endpoints
list of 
​
broker_bridge.kafka.clients.$name.restart_delay_seconds
How long to wait between attempts to restart the Kafka 
client process when it crashes.
a time duration with units, e.g. '10s' for 10 seconds
10s
broker_bridge.kafka.clients.$name.max_metadata_sock_retry
integer
5
broker_bridge.kafka.clients.$name.reconnect_cool_down_seconds
Delay this configured number of seconds before retrying to
estabilish a new connection to the kafka partition leader.
a time duration with units, e.g. '10s' for 10 seconds
10s
broker_bridge.kafka.clients.$name.allow_topic_auto_creation
By default, the Kafka client respects what is configured in the broker
about topic auto-creation. i.e. whether `auto.create.topics.enable' 
is set in the broker configuration. However if this parameter is set 
to false, the client will avoid sending metadata requests that
may cause an auto-creation of the topic regardless of what 
the broker config is.
on | off
on
broker_bridge.kafka.clients.$name.producer.topic_restart_delay_seconds
a time duration with units, e.g. '10s' for 10 seconds
10s
broker_bridge.kafka.clients.$name.producer.partition_restart_delay_seconds
a time duration with units, e.g. '10s' for 10 seconds
10s
broker_bridge.kafka.clients.$name.producer.required_acks
How many acknowledgements the Kafka broker should receive 
from the clustered replicas before acknowledging producer. 

0: the broker will not send any response (this is the only case 
where the broker will not reply to a request) 

1: The leader will wait the data is written to the local log 
before sending a response. 

-1: If it is -1 the broker will block until the message is 
committed by all in sync replicas before acknowledging.
integer
1
broker_bridge.kafka.clients.$name.socket.sndbuf
bytesize
​
broker_bridge.kafka.clients.$name.socket.recbuf
bytesize
​
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General Configuration
Kafka Bridge Configuration