Query
KubeMQ Bridges Query source provides an RPC query subscriber for processing target commands.

Prerequisites

The following are required to run the query source connector:
  • kubemq cluster
  • kubemq-bridges deployment

Configuration

Query source connector configuration properties:
Properties Key
Required
Description
Example
address
yes
kubemq server address (gRPC interface)
kubemq-cluster-a-grpc.kubemq.svc.cluster.local:50000
client_id
no
set client id
"client_id"
auth_token
no
set authentication token
JWT token
channel
yes
set channel to subscribe
group
no
set subscriber group
auto_reconnect
no
set auto reconnect on lost connection
"false", "true"
reconnect_interval_seconds
no
set reconnection seconds
"5"
max_reconnects
no
set how many time to reconnect
"0"
Example:
bindings:
- name: query-binding
properties:
log_level: error
retry_attempts: 3
retry_delay_milliseconds: 1000
retry_max_jitter_milliseconds: 100
retry_delay_type: "back-off"
rate_per_second: 100
sources:
kind: source.query # Sources kind
name: 3-clusters-source # sources name
connections: # Array of connections settings per each source kind
- address: "kubemq-cluster-a-grpc.kubemq.svc.cluster.local:50000"
client_id: "cluster-a-query-connection"
auth_token: ""
channel: "query"
group: ""
- address: "kubemq-cluster-b-grpc.kubemq.svc.cluster.local:50000"
client_id: "cluster-b-query-connection"
auth_token: ""
channel: "query"
group: ""
- address: "kubemq-cluster-c-grpc.kubemq.svc.cluster.local:50000"
client_id: "cluster-c-query-connection"
auth_token: ""
channel: "query"
group: ""
targets:
.....