c81772024c
When the internal VIP is moved in the event of a failure of the active controller, OpenStack services can become unresponsive as they try to talk with MariaDB using connections from the SQLAlchemy pool. It has been argued that OpenStack doesn't really need to use connection pooling with MariaDB [1]. This commit reduces the use of connection pooling via two configuration options: - max_pool_size is set to 1 to allow only a single connection in the pool (it is not possible to disable connection pooling entirely via oslo.db, and max_pool_size = 0 means unlimited pool size) - lower connection_recycle_time from the default of one hour to 10 seconds, which means the single connection in the pool will be recreated regularly These settings have shown better reactivity of the system in the event of a failover. [1] http://lists.openstack.org/pipermail/openstack-dev/2015-April/061808.html Change-Id: Ib6a62d4428db9b95569314084090472870417f3d Closes-Bug: #1896635
197 lines
6.2 KiB
Django/Jinja
197 lines
6.2 KiB
Django/Jinja
# nova.conf
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[DEFAULT]
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debug = {{ nova_logging_debug }}
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log_dir = /var/log/kolla/nova
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{% if service_name == "nova-super-conductor" %}
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log_file = /var/log/kolla/nova/nova-super-conductor.log
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{% endif %}
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state_path = /var/lib/nova
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allow_resize_to_same_host = true
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# Though my_ip is not used directly, lots of other variables use $my_ip
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my_ip = {{ api_interface_address }}
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{% if enable_ceilometer | bool or enable_searchlight | bool or enable_designate | bool %}
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instance_usage_audit = True
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instance_usage_audit_period = hour
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{% endif %}
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transport_url = {{ rpc_transport_url }}
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[filter_scheduler]
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{% if enable_blazar | bool %}
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available_filters = nova.scheduler.filters.all_filters
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available_filters = blazarnova.scheduler.filters.blazar_filter.BlazarFilter
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enabled_filters = AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,BlazarFilter
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{% endif %}
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{% if enable_nova_fake | bool %}
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enabled_filters = AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter
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{% endif %}
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{% if enable_cells | bool %}
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# When in superconductor mode, nova-compute can't send instance
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# info updates to the scheduler, so just disable it.
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track_instance_changes = False
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{% endif %}
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[api]
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use_forwarded_for = true
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# Super conductor
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[conductor]
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workers = {{ openstack_service_workers }}
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[oslo_middleware]
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enable_proxy_headers_parsing = True
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[oslo_concurrency]
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lock_path = /var/lib/nova/tmp
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[glance]
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cafile = {{ openstack_cacert }}
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api_servers = {{ glance_internal_endpoint }}
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num_retries = {{ groups['glance-api'] | length }}
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debug = {{ nova_logging_debug }}
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{% if enable_cinder | bool %}
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[cinder]
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catalog_info = volumev3:cinderv3:internalURL
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os_region_name = {{ openstack_region_name }}
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auth_url = {{ keystone_admin_url }}
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auth_type = password
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project_domain_name = {{ default_project_domain_name }}
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user_domain_id = {{ default_user_domain_id }}
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project_name = service
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username = {{ cinder_keystone_user }}
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password = {{ cinder_keystone_password }}
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cafile = {{ openstack_cacert }}
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{% endif %}
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[neutron]
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metadata_proxy_shared_secret = {{ metadata_secret }}
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service_metadata_proxy = true
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{% if neutron_plugin_agent == 'vmware_nsxv3' %}
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ovs_bridge = {{ ovs_bridge }}
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{% endif %}
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auth_url = {{ keystone_admin_url }}
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auth_type = password
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project_domain_name = {{ default_project_domain_name }}
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user_domain_id = {{ default_user_domain_id }}
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project_name = service
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username = {{ neutron_keystone_user }}
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password = {{ neutron_keystone_password }}
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region_name = {{ openstack_region_name }}
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valid_interfaces = internal
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cafile = {{ openstack_cacert }}
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[database]
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connection = mysql+pymysql://{{ nova_cell0_database_user }}:{{ nova_cell0_database_password }}@{{ nova_cell0_database_address }}/{{ nova_cell0_database_name }}
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connection_recycle_time = {{ database_connection_recycle_time }}
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max_overflow = 1000
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max_pool_size = {{ database_max_pool_size }}
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max_retries = -1
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[api_database]
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connection = mysql+pymysql://{{ nova_api_database_user }}:{{ nova_api_database_password }}@{{ nova_api_database_address }}/{{ nova_api_database_name }}
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connection_recycle_time = {{ database_connection_recycle_time }}
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max_pool_size = {{ database_max_pool_size }}
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max_retries = -1
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[cache]
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backend = oslo_cache.memcache_pool
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enabled = True
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memcache_servers = {% for host in groups['memcached'] %}{{ 'api' | kolla_address(host) | put_address_in_context('memcache') }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
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[keystone_authtoken]
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www_authenticate_uri = {{ keystone_internal_url }}
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auth_url = {{ keystone_admin_url }}
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auth_type = password
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project_domain_id = {{ default_project_domain_id }}
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user_domain_id = {{ default_user_domain_id }}
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project_name = service
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username = {{ nova_keystone_user }}
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password = {{ nova_keystone_password }}
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cafile = {{ openstack_cacert }}
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memcache_security_strategy = ENCRYPT
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memcache_secret_key = {{ memcache_secret_key }}
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memcached_servers = {% for host in groups['memcached'] %}{{ 'api' | kolla_address(host) | put_address_in_context('memcache') }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
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[upgrade_levels]
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compute = auto
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[oslo_messaging_notifications]
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transport_url = {{ notify_transport_url }}
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{% if nova_enabled_notification_topics %}
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driver = messagingv2
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topics = {{ nova_enabled_notification_topics | map(attribute='name') | join(',') }}
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{% else %}
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driver = noop
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{% endif %}
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{% if service_name in nova_services_require_policy_json and nova_policy_file is defined %}
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[oslo_policy]
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policy_file = {{ nova_policy_file }}
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{% endif %}
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[privsep_entrypoint]
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helper_command=sudo nova-rootwrap /etc/nova/rootwrap.conf privsep-helper --config-file /etc/nova/nova.conf
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[guestfs]
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debug = {{ nova_logging_debug }}
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[wsgi]
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api_paste_config = /etc/nova/api-paste.ini
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{% if kolla_enable_tls_external | bool or kolla_enable_tls_internal | bool %}
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secure_proxy_ssl_header = HTTP_X_FORWARDED_PROTO
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{% endif %}
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[scheduler]
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max_attempts = 10
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# NOTE(yoctozepto): kolla-ansible handles cell mapping by itself on each deploy
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# periodic run must be disabled to avoid random failures (where both try to map)
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# -1 is default and means periodic discovery is disabled
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discover_hosts_in_cells_interval = -1
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workers = {{ openstack_service_workers }}
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[placement]
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auth_type = password
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auth_url = {{ keystone_admin_url }}
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username = {{ placement_keystone_user }}
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password = {{ placement_keystone_password }}
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user_domain_name = {{ default_user_domain_name }}
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project_name = service
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project_domain_name = {{ default_project_domain_name }}
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region_name = {{ openstack_region_name }}
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cafile = {{ openstack_cacert }}
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valid_interfaces = internal
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[notifications]
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{% if enable_ceilometer | bool or enable_searchlight | bool or enable_designate | bool or enable_neutron_infoblox_ipam_agent | bool %}
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notify_on_state_change = vm_and_task_state
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{% endif %}
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{% if not enable_searchlight | bool %}
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notification_format = unversioned
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{% else %}
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notification_format = both
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{% endif %}
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{% if enable_osprofiler | bool %}
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[profiler]
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enabled = true
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trace_sqlalchemy = true
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hmac_keys = {{ osprofiler_secret }}
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connection_string = {{ osprofiler_backend_connection_string }}
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{% endif %}
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{% if enable_barbican | bool %}
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[barbican]
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auth_endpoint = {{ keystone_internal_url }}
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barbican_endpoint_type = internal
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verify_ssl_path = {{ openstack_cacert }}
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{% endif %}
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