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[Openstack] unexpected distribution of compute instances in queens


Hi,

Thank you. I am able to fix this issue by adding this configuration into
nova configuration file in controller node.

driver=filter_scheduler

Best Regards
Zufar Dhiyaulhaq


On Tue, Nov 27, 2018 at 5:01 PM Zufar Dhiyaulhaq <zufardhiyaulhaq at gmail.com>
wrote:

> Hi Smooney,
> sorry for the last reply. I am attaching wrong configuration files. This
> is my nova configuration (added randomization from your suggestion) from
> the master node (Template jinja2 based).
>
> [DEFAULT]
> osapi_compute_listen = {{
> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
> metadata_listen = {{
> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
> enabled_apis = osapi_compute,metadata
> transport_url = rabbit://openstack:{{ rabbitmq_pw }}@{{ controller1_ip_man
> }}:5672,openstack:{{ rabbitmq_pw }}@{{ controller2_ip_man
> }}:5672,openstack:{{ rabbitmq_pw }}@{{ controller3_ip_man }}:5672
> my_ip = {{
> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
> use_neutron = True
> firewall_driver = nova.virt.firewall.NoopFirewallDriver
> [api]
> auth_strategy = keystone
> [api_database]
> connection = mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip }}/nova_api
> [barbican]
> [cache]
> backend=oslo_cache.memcache_pool
> enabled=true
> memcache_servers={{ controller1_ip_man }}:11211,{{ controller2_ip_man
> }}:11211,{{ controller3_ip_man }}:11211
> [cells]
> [cinder]
> os_region_name = RegionOne
> [compute]
> [conductor]
> [console]
> [consoleauth]
> [cors]
> [crypto]
> [database]
> connection = mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip }}/nova
> [devices]
> [ephemeral_storage_encryption]
> [filter_scheduler]
> [glance]
> api_servers = http://{{ vip }}:9292
> [guestfs]
> [healthcheck]
> [hyperv]
> [ironic]
> [key_manager]
> [keystone]
> [keystone_authtoken]
> auth_url = http://{{ vip }}:5000/v3
> memcached_servers = {{ controller1_ip_man }}:11211,{{ controller2_ip_man
> }}:11211,{{ controller3_ip_man }}:11211
> auth_type = password
> project_domain_name = default
> user_domain_name = default
> project_name = service
> username = nova
> password = {{ nova_pw }}
> [libvirt]
> [matchmaker_redis]
> [metrics]
> [mks]
> [neutron]
> url = http://{{ vip }}:9696
> auth_url = http://{{ vip }}:35357
> auth_type = password
> project_domain_name = default
> user_domain_name = default
> region_name = RegionOne
> project_name = service
> username = neutron
> password = {{ neutron_pw }}
> service_metadata_proxy = true
> metadata_proxy_shared_secret = {{ metadata_secret }}
> [notifications]
> [osapi_v21]
> [oslo_concurrency]
> lock_path = /var/lib/nova/tmp
> [oslo_messaging_amqp]
> [oslo_messaging_kafka]
> [oslo_messaging_notifications]
> [oslo_messaging_rabbit]
> [oslo_messaging_zmq]
> [oslo_middleware]
> [oslo_policy]
> [pci]
> [placement]
> os_region_name = RegionOne
> project_domain_name = Default
> project_name = service
> auth_type = password
> user_domain_name = Default
> auth_url = http://{{ vip }}:5000/v3
> username = placement
> password = {{ placement_pw }}
> randomize_allocation_candidates = true
> [quota]
> [rdp]
> [remote_debug]
> [scheduler]
> discover_hosts_in_cells_interval = 300
> [serial_console]
> [service_user]
> [spice]
> [upgrade_levels]
> [vault]
> [vendordata_dynamic_auth]
> [vmware]
> [vnc]
> enabled = true
> keymap=en-us
> novncproxy_base_url = https://{{ vip }}:6080/vnc_auto.html
> novncproxy_host = {{
> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
> [workarounds]
> [wsgi]
> [xenserver]
> [xvp]
> [placement_database]
> connection=mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip }}/nova_placement
>
> Thank you
>
> Best Regards,
> Zufar Dhiyaulhaq
>
>
> On Tue, Nov 27, 2018 at 4:55 PM Zufar Dhiyaulhaq <
> zufardhiyaulhaq at gmail.com> wrote:
>
>> Hi Smooney,
>>
>> thank you for your help. I am trying to enable randomization but not
>> working. The instance I have created is still in the same node. Below is my
>> nova configuration (added randomization from your suggestion) from the
>> master node (Template jinja2 based).
>>
>> [DEFAULT]
>> enabled_apis = osapi_compute,metadata
>> transport_url = rabbit://openstack:{{ rabbitmq_pw }}@{{
>> controller1_ip_man }}:5672,openstack:{{ rabbitmq_pw }}@{{
>> controller2_ip_man }}:5672,openstack:{{ rabbitmq_pw }}@{{
>> controller3_ip_man }}:5672
>> my_ip = {{ hostvars[inventory_hostname]['ansible_ens3f1']['ipv4'][
>> 'address'] }}
>> use_neutron = True
>> firewall_driver = nova.virt.firewall.NoopFirewallDriver
>> [api]
>> auth_strategy = keystone
>> [api_database]
>> [barbican]
>> [cache]
>> backend=oslo_cache.memcache_pool
>> enabled=true
>> memcache_servers={{ controller1_ip_man }}:11211,{{ controller2_ip_man
>> }}:11211,{{ controller3_ip_man }}:11211
>> [cells]
>> [cinder]
>> [compute]
>> [conductor]
>> [console]
>> [consoleauth]
>> [cors]
>> [crypto]
>> [database]
>> [devices]
>> [ephemeral_storage_encryption]
>> [filter_scheduler]
>> [glance]
>> api_servers = http://{{ vip }}:9292
>> [guestfs]
>> [healthcheck]
>> [hyperv]
>> [ironic]
>> [key_manager]
>> [keystone]
>> [keystone_authtoken]
>> auth_url = http://{{ vip }}:5000/v3
>> memcached_servers = {{ controller1_ip_man }}:11211,{{ controller2_ip_man
>> }}:11211,{{ controller3_ip_man }}:11211
>> auth_type = password
>> project_domain_name = default
>> user_domain_name = default
>> project_name = service
>> username = nova
>> password = {{ nova_pw }}
>> [libvirt]
>> virt_type = kvm
>> [matchmaker_redis]
>> [metrics]
>> [mks]
>> [neutron]
>> url = http://{{ vip }}:9696
>> auth_url = http://{{ vip }}:35357
>> auth_type = password
>> project_domain_name = default
>> user_domain_name = default
>> region_name = RegionOne
>> project_name = service
>> username = neutron
>> password = {{ neutron_pw }}
>> [notifications]
>> [osapi_v21]
>> [oslo_concurrency]
>> lock_path = /var/lib/nova/tmp
>> [oslo_messaging_amqp]
>> [oslo_messaging_kafka]
>> [oslo_messaging_notifications]
>> [oslo_messaging_rabbit]
>> [oslo_messaging_zmq]
>> [oslo_middleware]
>> [oslo_policy]
>> [pci]
>> [placement]
>> os_region_name = RegionOne
>> project_domain_name = Default
>> project_name = service
>> auth_type = password
>> user_domain_name = Default
>> auth_url = http://{{ vip }}:5000/v3
>> username = placement
>> password = {{ placement_pw }}
>> [quota]
>> [rdp]
>> [remote_debug]
>> [scheduler]
>> [serial_console]
>> [service_user]
>> [spice]
>> [upgrade_levels]
>> [vault]
>> [vendordata_dynamic_auth]
>> [vmware]
>> [vnc]
>> enabled = True
>> keymap=en-us
>> server_listen = {{ hostvars[inventory_hostname]['ansible_ens3f1']['ipv4'
>> ]['address'] }}
>> server_proxyclient_address = {{ hostvars[inventory_hostname][
>> 'ansible_ens3f1']['ipv4']['address'] }}
>> novncproxy_base_url = https://{{ vip }}:6080/vnc_auto.html
>> [workarounds]
>> [wsgi]
>> [xenserver]
>> [xvp]
>>
>> Thank you,
>>
>> Best Regards,
>> Zufar Dhiyaulhaq
>>
>> On Mon, Nov 26, 2018 at 11:13 PM Sean Mooney <smooney at redhat.com> wrote:
>>
>>> On Mon, 2018-11-26 at 17:45 +0700, Zufar Dhiyaulhaq wrote:
>>> > Hi,
>>> >
>>> > I am deploying OpenStack with 3 compute node, but I am seeing an
>>> abnormal distribution of instance, the instance is
>>> > only deployed in a specific compute node, and not distribute among
>>> other compute node.
>>> >
>>> > this is my nova.conf from the compute node. (template jinja2 based)
>>>
>>> hi, the default behavior of nova used to be spread not pack and i belive
>>> it still is.
>>> the default behavior with placement however is closer to a packing
>>> behavior as
>>> allcoation candiates are retrunidn in an undefined but deterministic
>>> order.
>>>
>>> on a busy cloud this does not strictly pack instaces but on a quite
>>> cloud it effectivly does
>>>
>>> you can try and enable randomisation of the allocation candiates by
>>> setting this config option in
>>> the nova.conf of the shcduler to true.
>>>
>>> https://docs.openstack.org/nova/latest/configuration/config.html#placement.randomize_allocation_candidates
>>>
>>> on that note can you provide the nova.conf for the schduelr is used
>>> instead of the compute node nova.conf.
>>> if you have not overriden any of the nova defaults the ram and cpu
>>> weigher should spread instances withing
>>> the allocation candiates returned by placement.
>>>
>>> >
>>> > [DEFAULT]
>>> > osapi_compute_listen = {{
>>> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
>>> > metadata_listen = {{
>>> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
>>> > enabled_apis = osapi_compute,metadata
>>> > transport_url = rabbit://openstack:{{ rabbitmq_pw }}@{{
>>> controller1_ip_man }}:5672,openstack:{{ rabbitmq_pw }}@{{
>>> > controller2_ip_man }}:5672,openstack:{{ rabbitmq_pw }}@{{
>>> controller3_ip_man }}:5672
>>> > my_ip = {{
>>> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
>>> > use_neutron = True
>>> > firewall_driver = nova.virt.firewall.NoopFirewallDriver
>>> > [api]
>>> > auth_strategy = keystone
>>> > [api_database]
>>> > connection = mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip }}/nova_api
>>> > [barbican]
>>> > [cache]
>>> > backend=oslo_cache.memcache_pool
>>> > enabled=true
>>> > memcache_servers={{ controller1_ip_man }}:11211,{{ controller2_ip_man
>>> }}:11211,{{ controller3_ip_man }}:11211
>>> > [cells]
>>> > [cinder]
>>> > os_region_name = RegionOne
>>> > [compute]
>>> > [conductor]
>>> > [console]
>>> > [consoleauth]
>>> > [cors]
>>> > [crypto]
>>> > [database]
>>> > connection = mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip }}/nova
>>> > [devices]
>>> > [ephemeral_storage_encryption]
>>> > [filter_scheduler]
>>> > [glance]
>>> > api_servers = http://{{ vip }}:9292
>>> > [guestfs]
>>> > [healthcheck]
>>> > [hyperv]
>>> > [ironic]
>>> > [key_manager]
>>> > [keystone]
>>> > [keystone_authtoken]
>>> > auth_url = http://{{ vip }}:5000/v3
>>> > memcached_servers = {{ controller1_ip_man }}:11211,{{
>>> controller2_ip_man }}:11211,{{ controller3_ip_man }}:11211
>>> > auth_type = password
>>> > project_domain_name = default
>>> > user_domain_name = default
>>> > project_name = service
>>> > username = nova
>>> > password = {{ nova_pw }}
>>> > [libvirt]
>>> > [matchmaker_redis]
>>> > [metrics]
>>> > [mks]
>>> > [neutron]
>>> > url = http://{{ vip }}:9696
>>> > auth_url = http://{{ vip }}:35357
>>> > auth_type = password
>>> > project_domain_name = default
>>> > user_domain_name = default
>>> > region_name = RegionOne
>>> > project_name = service
>>> > username = neutron
>>> > password = {{ neutron_pw }}
>>> > service_metadata_proxy = true
>>> > metadata_proxy_shared_secret = {{ metadata_secret }}
>>> > [notifications]
>>> > [osapi_v21]
>>> > [oslo_concurrency]
>>> > lock_path = /var/lib/nova/tmp
>>> > [oslo_messaging_amqp]
>>> > [oslo_messaging_kafka]
>>> > [oslo_messaging_notifications]
>>> > [oslo_messaging_rabbit]
>>> > [oslo_messaging_zmq]
>>> > [oslo_middleware]
>>> > [oslo_policy]
>>> > [pci]
>>> > [placement]
>>> > os_region_name = RegionOne
>>> > project_domain_name = Default
>>> > project_name = service
>>> > auth_type = password
>>> > user_domain_name = Default
>>> > auth_url = http://{{ vip }}:5000/v3
>>> > username = placement
>>> > password = {{ placement_pw }}
>>> > [quota]
>>> > [rdp]
>>> > [remote_debug]
>>> > [scheduler]
>>> > discover_hosts_in_cells_interval = 300
>>> > [serial_console]
>>> > [service_user]
>>> > [spice]
>>> > [upgrade_levels]
>>> > [vault]
>>> > [vendordata_dynamic_auth]
>>> > [vmware]
>>> > [vnc]
>>> > enabled = true
>>> > keymap=en-us
>>> > novncproxy_base_url = https://{{ vip }}:6080/vnc_auto.html
>>> > novncproxy_host = {{
>>> hostvars[inventory_hostname]['ansible_ens3f1']['ipv4']['address'] }}
>>> > [workarounds]
>>> > [wsgi]
>>> > [xenserver]
>>> > [xvp]
>>> > [placement_database]
>>> > connection=mysql+pymysql://nova:{{ nova_dbpw }}@{{ vip
>>> }}/nova_placement
>>> >
>>> > what is the problem? I have lookup the openstack-nova-scheduler in the
>>> controller node but it's running well with only
>>> > warning
>>> >
>>> >  nova-scheduler[19255]:
>>> /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332:
>>> NotSupportedWarning:
>>> > Configuration option(s) ['use_tpool'] not supported
>>> >
>>> > the result I want is the instance is distributed in all compute node.
>>> > Thank you.
>>> >
>>> > _______________________________________________
>>> > Mailing list:
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> > Post to     : openstack at lists.openstack.org
>>> > Unsubscribe :
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>
>>
>>
>>
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