Configurable Heat Parameters

You can modify certain parameters in your Heat configuration by using viocli update heat or the Kubernetes kubectl command-line utility.

Configuration settings example using viocli update heat.

conf:
  heat:
    DEFAULT:
      max_stacks_per_tenant: 150
      max_interface_check_attempts: 220

Configuration example using kubectl.

kubectl -n openstack patch heat heat1 --type=merge --patch '{"spec":{"conf":{"heat":{"DEFAULT":{"max_interface_check_attempts":220}}}}}

Table 1. Heat Parameters

Parameter	Default Value	Description
cron_purge_enabled	true	Enter true to automatically clean up the Heat database or false to disable this function.
purge_age_type	days
purge_age	7
purge_cron_time	"1 0 * * *"
max_resources_per_stack	1000	Enter the maximum number of resources that a Heat stack can use.
max_stacks_per_tenant	100	Enter the maximum number of Heat stacks that each project can create.
event_purge_batch_size	200
max_events_per_stack	1000
encrypt_parameters_and_properties	false
max_nested_stack_depth	5
max_interface_check_attempts	60
convergence_engine	true	Enter true to enable the Heat convergence engine or false to disable this function.
observe_on_update	false
max_template_size	524288	Enter the maximum file size (in bytes) of a Heat template.
stack_action_timeout	3600	Enter the timeout (in seconds) for Heat stack actions.
max_pool_size	5	Enter the maximum number of SQL connections to keep open in a pool. If you enter 0, the number of open connections is not limited.
max_overflow	50
rpc_response_timeout		Enter the time (in seconds) to wait for a response to an RPC.