Add support for configuring Patroni REST API request queue size.

This introduces an optional `request_queue_size` parameter for the Patroni REST API, with a default value of 5. It controls the TCP socket queue size, and once full, additional requests will receive a "Connection denied" error.
vitabaks · Jan 10, 2025 · 645b326 · 645b326
1 parent 36f8daf
commit 645b326
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diff --git a/automation/roles/patroni/templates/patroni.yml.j2 b/automation/roles/patroni/templates/patroni.yml.j2
@@ -34,6 +34,9 @@ restapi:
 #    username: username
 #    password: password
 {% endif %}
+{% if patroni_restapi_request_queue_size is defined %}
+  request_queue_size: {{ patroni_restapi_request_queue_size |int }}
+{% endif %}
 
 {% if dcs_type == 'etcd' %}
 etcd3:

diff --git a/automation/vars/main.yml b/automation/vars/main.yml
@@ -409,6 +409,7 @@ patroni_restapi_listen_addr: "0.0.0.0" # Listen on all interfaces. Or use "{{ in
 patroni_restapi_port: 8008
 patroni_restapi_username: "patroni"
 patroni_restapi_password: ""  # If not defined, a password will be generated automatically during deployment.
+patroni_restapi_request_queue_size: 5
 patroni_ttl: 30
 patroni_loop_wait: 10
 patroni_retry_timeout: 10