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[Openstack] unexpected distribution of compute instances in queens


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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