Configuration Options

Senlin uses oslo.config to define and manage configuration options to allow the deployer to control many aspects of the service API and the service engine.

DEFAULT

host

Type

host address

Default

ubuntu-focal-iweb-mtl01-0027736771

Name of the engine node. This can be an opaque identifier. It is not necessarily a hostname, FQDN or IP address.

default_region_name

Type

string

Default

<None>

Default region name used to get services endpoints.

max_response_size

Type

integer

Default

524288

Maximum raw byte size of data from web response.

notification_topics

Type

list

Default

['versioned_notifications']

Default notification topic.

periodic_interval

Type

integer

Default

60

Seconds between running periodic tasks.

periodic_interval_max

Type

integer

Default

120

Maximum seconds between periodic tasks to be called.

check_interval_max

Type

integer

Default

3600

Maximum seconds between cluster check to be called.

health_check_interval_min

Type

integer

Default

60

Minimum seconds between health check to be called.

periodic_fuzzy_delay

Type

integer

Default

10

Range of seconds to randomly delay when starting the periodic task scheduler to reduce stampeding. (Disable by setting to 0)

environment_dir

Type

string

Default

/etc/senlin/environments

The directory to search for environment files.

max_nodes_per_cluster

Type

integer

Default

1000

Maximum nodes allowed per top-level cluster.

max_clusters_per_project

Type

integer

Default

100

Maximum number of clusters any one project may have active at one time.

default_action_timeout

Type

integer

Default

3600

Timeout in seconds for actions.

default_nova_timeout

Type

integer

Default

600

Timeout in seconds for nova API calls.

max_actions_per_batch

Type

integer

Default

0

Maximum number of node actions that each engine worker can schedule consecutively per batch. 0 means no limit.

batch_interval

Type

integer

Default

3

Seconds to pause between scheduling two consecutive batches of node actions.

lock_retry_times

Type

integer

Default

3

Number of times trying to grab a lock.

lock_retry_interval

Type

integer

Default

10

Number of seconds between lock retries.

database_retry_limit

Type

integer

Default

10

Number of times retrying a failed operation on the database.

database_retry_interval

Type

integer

Default

0.3

Initial number of seconds between database retries.

database_max_retry_interval

Type

integer

Default

2

Maximum number of seconds between database retries.

engine_life_check_timeout

Type

integer

Default

2

RPC timeout for the engine liveness check that is used for cluster locking.

name_unique

Type

boolean

Default

False

Flag to indicate whether to enforce unique names for Senlin objects belonging to the same project.

service_down_time

Type

integer

Default

60

Maximum time since last check-in for a service to be considered up.

trust_roles

Type

list

Default

[]

The roles which are delegated to the trustee by the trustor when a cluster is created.

cloud_backend

Type

string

Default

openstack

Valid Values

openstack, openstack_test

Default cloud backend to use.

event_dispatchers

Type

multi-valued

Default

database

Event dispatchers to enable.

authentication

auth_url

Type

string

Default

''

Complete public identity V3 API endpoint.

service_username

Type

string

Default

senlin

Senlin service user name.

service_password

Type

string

Default

''

Password specified for the Senlin service user.

service_project_name

Type

string

Default

service

Name of the service project.

service_user_domain

Type

string

Default

Default

Name of the domain for the service user.

service_project_domain

Type

string

Default

Default

Name of the domain for the service project.

conductor

workers

Type

integer

Default

1

Number of senlin-conductor processes.

threads

Type

integer

Default

1000

Number of senlin-conductor threads.

dispatchers

priority

Type

string

Default

info

Valid Values

critical, error, warning, info, debug

Lowest event priorities to be dispatched.

exclude_derived_actions

Type

boolean

Default

True

Exclude derived actions from events dumping.

engine

workers

Type

integer

Default

1

Number of senlin-engine processes.

Deprecated Variations

Group	Name
DEFAULT	num_engine_workers

threads

Type

integer

Default

1000

Number of senlin-engine threads.

Deprecated Variations

Group	Name
DEFAULT	scheduler_thread_pool_size

health_manager

nova_control_exchange

Type

string

Default

nova

Exchange name for nova notifications.

nova_notification_topic

Type

string

Default

versioned_notifications

Topic name for nova notifications.

heat_control_exchange

Type

string

Default

heat

Exchange name for heat notifications.

heat_notification_topic

Type

string

Default

notifications

Topic name for heat notifications.

enabled_endpoints

Type

multi-valued

Default

nova

Default

heat

Notification endpoints to enable.

workers

Type

integer

Default

1

Number of senlin-health-manager processes.

threads

Type

integer

Default

1000

Number of senlin-health-manager threads.

Deprecated Variations

Group	Name
DEFAULT	health_manager_thread_pool_size

notification

max_message_size

Type

integer

Default

65535

The max size(bytes) of message can be posted to notification queue.

ttl

Type

integer

Default

300

The ttl in seconds of a message posted to notification queue.

receiver

host

Type

string

Default

<None>

The address for notifying and triggering receivers. It is useful for case Senlin API service is running behind a proxy.

Deprecated Variations

Group	Name
webhook	host

port

Type

port number

Default

8778

Minimum Value

0

Maximum Value

65535

The port for notifying and triggering receivers. It is useful for case Senlin API service is running behind a proxy.

Deprecated Variations

Group	Name
webhook	port

max_message_size

Type

integer

Default

65535

The max size(bytes) of message can be posted to receiver queue.

revision

senlin_api_revision

Type

string

Default

1.0

Senlin API revision.

senlin_engine_revision

Type

string

Default

1.0

Senlin engine revision.

senlin_api

bind_host

Type

ip address

Default

0.0.0.0

Address to bind the server. Useful when selecting a particular network interface.

bind_port

Type

port number

Default

8778

Minimum Value

0

Maximum Value

65535

The port on which the server will listen.

backlog

Type

integer

Default

4096

Number of backlog requests to configure the socket with.

cert_file

Type

string

Default

<None>

Location of the SSL certificate file to use for SSL mode.

key_file

Type

string

Default

<None>

Location of the SSL key file to use for enabling SSL mode.

workers

Type

integer

Default

0

Minimum Value

0

Number of workers for Senlin service.

max_header_line

Type

integer

Default

16384

Maximum line size of message headers to be accepted. max_header_line may need to be increased when using large tokens (typically those generated by the Keystone v3 API with big service catalogs).

tcp_keepidle

Type

integer

Default

600

The value for the socket option TCP_KEEPIDLE. This is the time in seconds that the connection must be idle before TCP starts sending keepalive probes.

api_paste_config

Type

string

Default

api-paste.ini

The API paste config file to use.

Deprecated Variations

Group	Name
paste_deploy	api_paste_config

wsgi_keep_alive

Type

boolean

Default

True

If false, closes the client socket explicitly.

Deprecated Variations

Group	Name
eventlet_opts	wsgi_keep_alive

client_socket_timeout

Type

integer

Default

900

Timeout for client connections’ socket operations. If an incoming connection is idle for this number of seconds it will be closed. A value of ‘0’ indicates waiting forever.

Deprecated Variations

Group	Name
eventlet_opts	client_socket_timeout

max_json_body_size

Type

integer

Default

1048576

Maximum raw byte size of JSON request body.

Deprecated Variations

Group	Name
DEFAULT	max_json_body_size

zaqar

auth_type

Type

unknown type

Default

<None>

Authentication type to load

Deprecated Variations

Group	Name
zaqar	auth_plugin

auth_section

Type

unknown type

Default

<None>

Config Section from which to load plugin specific options

auth_url

Type

unknown type

Default

<None>

Authentication URL

system_scope

Type

unknown type

Default

<None>

Scope for system operations

domain_id

Type

unknown type

Default

<None>

Domain ID to scope to

domain_name

Type

unknown type

Default

<None>

Domain name to scope to

project_id

Type

unknown type

Default

<None>

Project ID to scope to

Deprecated Variations

Group	Name
zaqar	tenant-id
zaqar	tenant_id

project_name

Type

unknown type

Default

<None>

Project name to scope to

Deprecated Variations

Group	Name
zaqar	tenant-name
zaqar	tenant_name

project_domain_id

Type

unknown type

Default

<None>

Domain ID containing project

project_domain_name

Type

unknown type

Default

<None>

Domain name containing project

trust_id

Type

unknown type

Default

<None>

Trust ID

default_domain_id

Type

unknown type

Default

<None>

Optional domain ID to use with v3 and v2 parameters. It will be used for both the user and project domain in v3 and ignored in v2 authentication.

default_domain_name

Type

unknown type

Default

<None>

Optional domain name to use with v3 API and v2 parameters. It will be used for both the user and project domain in v3 and ignored in v2 authentication.

user_id

Type

unknown type

Default

<None>

User id

username

Type

unknown type

Default

<None>

Username

Deprecated Variations

Group	Name
zaqar	user-name
zaqar	user_name

user_domain_id

Type

unknown type

Default

<None>

User’s domain id

user_domain_name

Type

unknown type

Default

<None>

User’s domain name

password

Type

unknown type

Default

<None>

User’s password

Options

senlin.conf.opts.list_opts()

Return a list of oslo.config options available.

The purpose of this function is to allow tools like the Oslo sample config file generator to discover the options exposed to users by this service. The returned list includes all oslo.config options which may be registered at runtime by the service api/engine.

This function is also discoverable via the ‘senlin.conf’ entry point under the ‘oslo.config.opts’ namespace.

Returns

a list of (group_name, opts) tuples