Rework processorcount limits to os_workers

JIRA: FUEL-227
Change-Id: I9186a1b0e0ef86c2efa322805c302f02c832e10f
Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

1 files changed, 284 insertions, 0 deletions

diff --git a/build/f_repos/patch/fuel-library/0002-Rework-processorcount-limits-to-os_workers.patch b/build/f_repos/patch/fuel-library/0002-Rework-processorcount-limits-to-os_workers.patch
new file mode 100644
index 000000000..6b495cbf1
--- /dev/null
+++ b/build/f_repos/patch/fuel-library/0002-Rework-processorcount-limits-to-os_workers.patch
@@ -0,0 +1,284 @@
+From 15284786b55e844fcdcc95d5865c91be03871487 Mon Sep 17 00:00:00 2001
+From: Bogdan Dobrelya <bdobrelia@mirantis.com>
+Date: Fri, 30 Sep 2016 12:03:34 +0200
+Subject: [PATCH] Rework processorcount limits to os_workers
+
+* reduce workers_max default limits of a 16 to the $::os_workers, which is limited by [2, 8] interval.
+* reduce workers/pool size/overflow limited by F($::processorcount) to F($::os_workers)
+
+Closes-bug: 1629238
+
+Change-Id: I5cc4d70b902eeaa1c9cf42911606eba13dd84aa2
+Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
+
+diff --git a/deployment/puppet/openstack/manifests/cinder.pp b/deployment/puppet/openstack/manifests/cinder.pp
+index 36747a61e..502bc94b8 100644
+--- a/deployment/puppet/openstack/manifests/cinder.pp
++++ b/deployment/puppet/openstack/manifests/cinder.pp
+@@ -44,7 +44,7 @@ class openstack::cinder(
+   $keystone_user          = 'cinder',
+   $region                 = 'RegionOne',
+   $notification_driver    = undef,
+-  $service_workers        = $::processorcount,
++  $service_workers        = $::os_workers,
+   $vmware_host_ip         = '10.10.10.10',
+   $vmware_host_username   = 'administrator@vsphere.local',
+   $vmware_host_password   = 'password',
+diff --git a/deployment/puppet/openstack_tasks/manifests/ceilometer/controller.pp b/deployment/puppet/openstack_tasks/manifests/ceilometer/controller.pp
+index 72fbe3271..e6fcf4f88 100644
+--- a/deployment/puppet/openstack_tasks/manifests/ceilometer/controller.pp
++++ b/deployment/puppet/openstack_tasks/manifests/ceilometer/controller.pp
+@@ -35,7 +35,7 @@ class openstack_tasks::ceilometer::controller {
+   $service_endpoint           = hiera('service_endpoint', $management_vip)
+   $ha_mode                    = pick($ceilometer_hash['ha_mode'], true)
+   $ssl_hash                   = hiera_hash('use_ssl', {})
+-  $workers_max                = hiera('workers_max', 16)
++  $workers_max                = hiera('workers_max', $::os_workers)
+   $service_workers            = pick($ceilometer_hash['workers'],
+   min(max($::processorcount, 2), $workers_max))
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/glance/glance.pp b/deployment/puppet/openstack_tasks/manifests/glance/glance.pp
+index 4c951999d..f3a20c5a7 100644
+--- a/deployment/puppet/openstack_tasks/manifests/glance/glance.pp
++++ b/deployment/puppet/openstack_tasks/manifests/glance/glance.pp
+@@ -21,7 +21,7 @@ class openstack_tasks::glance::glance {
+   $max_overflow        = hiera('max_overflow')
+   $ceilometer_hash     = hiera_hash('ceilometer', {})
+   $region              = hiera('region','RegionOne')
+-  $workers_max         = hiera('workers_max', 16)
++  $workers_max         = hiera('workers_max', $::os_workers)
+   $service_workers     = pick($glance_hash['glance_workers'],
+                               min(max($::processorcount, 2), $workers_max))
+   $ironic_hash         = hiera_hash('ironic', {})
+diff --git a/deployment/puppet/openstack_tasks/manifests/horizon/horizon.pp b/deployment/puppet/openstack_tasks/manifests/horizon/horizon.pp
+index 1a70af711..824c700bb 100644
+--- a/deployment/puppet/openstack_tasks/manifests/horizon/horizon.pp
++++ b/deployment/puppet/openstack_tasks/manifests/horizon/horizon.pp
+@@ -134,7 +134,7 @@ class openstack_tasks::horizon::horizon {
+     $wsgi_processes = 2
+     $wsgi_threads = 9
+   } else {
+-    $wsgi_processes = $::processorcount
++    $wsgi_processes = $::os_workers
+     $wsgi_threads = 15
+   }
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/ironic/ironic_compute.pp b/deployment/puppet/openstack_tasks/manifests/ironic/ironic_compute.pp
+index 2d26e1f19..6e7d8ca2b 100644
+--- a/deployment/puppet/openstack_tasks/manifests/ironic/ironic_compute.pp
++++ b/deployment/puppet/openstack_tasks/manifests/ironic/ironic_compute.pp
+@@ -35,8 +35,8 @@ class openstack_tasks::ironic::ironic_compute {
+   $db_name                        = pick($nova_hash['db_name'], 'nova')
+   $db_password                    = pick($nova_hash['db_password'], 'nova')
+ 
+-  $max_pool_size = hiera('max_pool_size', min($::processorcount * 5 + 0, 30 + 0))
+-  $max_overflow = hiera('max_overflow', min($::processorcount * 5 + 0, 60 + 0))
++  $max_pool_size = hiera('max_pool_size', min($::os_workers * 5 + 0, 30 + 0))
++  $max_overflow = hiera('max_overflow', min($::os_workers * 5 + 0, 60 + 0))
+   $idle_timeout = hiera('idle_timeout', '3600')
+   $max_retries = hiera('max_retries', '-1')
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/keystone/keystone.pp b/deployment/puppet/openstack_tasks/manifests/keystone/keystone.pp
+index 0d96b177a..0d3d33bff 100644
+--- a/deployment/puppet/openstack_tasks/manifests/keystone/keystone.pp
++++ b/deployment/puppet/openstack_tasks/manifests/keystone/keystone.pp
+@@ -22,7 +22,7 @@ class openstack_tasks::keystone::keystone {
+   $syslog_log_facility   = hiera('syslog_log_facility_keystone')
+   $rabbit_hash           = hiera_hash('rabbit', {})
+   $neutron_user_password = hiera('neutron_user_password', false)
+-  $workers_max           = hiera('workers_max', 16)
++  $workers_max           = hiera('workers_max', $::os_workers)
+   $service_workers       = pick($keystone_hash['workers'],
+                                 min(max($::processorcount, 2), $workers_max))
+   $default_log_levels    = hiera_hash('default_log_levels')
+diff --git a/deployment/puppet/openstack_tasks/manifests/openstack_cinder/openstack_cinder.pp b/deployment/puppet/openstack_tasks/manifests/openstack_cinder/openstack_cinder.pp
+index 6eccfc37b..644dd2440 100644
+--- a/deployment/puppet/openstack_tasks/manifests/openstack_cinder/openstack_cinder.pp
++++ b/deployment/puppet/openstack_tasks/manifests/openstack_cinder/openstack_cinder.pp
+@@ -13,7 +13,7 @@ class openstack_tasks::openstack_cinder::openstack_cinder {
+   $sahara_hash            = hiera_hash('sahara', {})
+   $rabbit_hash            = hiera_hash('rabbit', {})
+   $service_endpoint       = hiera('service_endpoint')
+-  $workers_max            = hiera('workers_max', 16)
++  $workers_max            = hiera('workers_max', $::os_workers)
+   $service_workers        = pick($cinder_hash['workers'], min(max($::processorcount, 2), $workers_max))
+   $cinder_user_password   = $cinder_hash[user_password]
+   $keystone_user          = pick($cinder_hash['user'], 'cinder')
+@@ -84,8 +84,8 @@ class openstack_tasks::openstack_cinder::openstack_cinder {
+   }
+ 
+   # SQLAlchemy backend configuration
+-  $max_pool_size = min($::processorcount * 5 + 0, 30 + 0)
+-  $max_overflow = min($::processorcount * 5 + 0, 60 + 0)
++  $max_pool_size = min($::os_workers * 5 + 0, 30 + 0)
++  $max_overflow = min($::os_workers * 5 + 0, 60 + 0)
+   $max_retries = '-1'
+   $idle_timeout = '3600'
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/openstack_controller/openstack_controller.pp b/deployment/puppet/openstack_tasks/manifests/openstack_controller/openstack_controller.pp
+index 458c34c8f..89fcb20b3 100644
+--- a/deployment/puppet/openstack_tasks/manifests/openstack_controller/openstack_controller.pp
++++ b/deployment/puppet/openstack_tasks/manifests/openstack_controller/openstack_controller.pp
+@@ -48,7 +48,7 @@ class openstack_tasks::openstack_controller::openstack_controller {
+   $keystone_user                = pick($nova_hash['user'], 'nova')
+   $keystone_tenant              = pick($nova_hash['tenant'], 'services')
+   $region_name                  = hiera('region', 'RegionOne')
+-  $workers_max                  = hiera('workers_max', 16)
++  $workers_max                  = hiera('workers_max', $::os_workers)
+   $service_workers              = pick($nova_hash['workers'],
+                                         min(max($::processorcount, 2), $workers_max))
+   $compute_nodes                = get_nodes_hash_by_roles($network_metadata, ['compute'])
+@@ -117,8 +117,8 @@ class openstack_tasks::openstack_controller::openstack_controller {
+   })
+ 
+   # SQLAlchemy backend configuration
+-  $max_pool_size = hiera('max_pool_size', min($::processorcount * 5 + 0, 30 + 0))
+-  $max_overflow = hiera('max_overflow', min($::processorcount * 5 + 0, 60 + 0))
++  $max_pool_size = hiera('max_pool_size', min($::os_workers * 5 + 0, 30 + 0))
++  $max_overflow = hiera('max_overflow', min($::os_workers * 5 + 0, 60 + 0))
+   $idle_timeout = hiera('idle_timeout', '3600')
+   $max_retries = hiera('max_retries', '-1')
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/openstack_network/agents/metadata.pp b/deployment/puppet/openstack_tasks/manifests/openstack_network/agents/metadata.pp
+index 9492493d1..240a378b7 100644
+--- a/deployment/puppet/openstack_tasks/manifests/openstack_network/agents/metadata.pp
++++ b/deployment/puppet/openstack_tasks/manifests/openstack_network/agents/metadata.pp
+@@ -9,7 +9,7 @@ class openstack_tasks::openstack_network::agents::metadata {
+   $neutron_advanced_config  = hiera_hash('neutron_advanced_configuration', { })
+   $neutron_config           = hiera_hash('neutron_config')
+   $dvr                      = pick($neutron_advanced_config['neutron_dvr'], false)
+-  $workers_max              = hiera('workers_max', 16)
++  $workers_max              = hiera('workers_max', $::os_workers)
+ 
+   if $compute {
+     $metadata_workers = pick($neutron_config['workers'],
+diff --git a/deployment/puppet/openstack_tasks/manifests/openstack_network/server_config.pp b/deployment/puppet/openstack_tasks/manifests/openstack_network/server_config.pp
+index 1d5c2d0e1..822e41750 100644
+--- a/deployment/puppet/openstack_tasks/manifests/openstack_network/server_config.pp
++++ b/deployment/puppet/openstack_tasks/manifests/openstack_network/server_config.pp
+@@ -64,7 +64,7 @@ class openstack_tasks::openstack_network::server_config {
+   $auth_url                = "${internal_auth_protocol}://${internal_auth_endpoint}:35357/"
+   $nova_admin_auth_url     = "${admin_auth_protocol}://${admin_auth_endpoint}:35357/"
+ 
+-  $workers_max             = hiera('workers_max', 16)
++  $workers_max             = hiera('workers_max', $::os_workers)
+   $service_workers         = pick($neutron_config['workers'], min(max($::processorcount, 1), $workers_max))
+ 
+   $neutron_advanced_config = hiera_hash('neutron_advanced_configuration', { })
+diff --git a/deployment/puppet/openstack_tasks/manifests/roles/cinder.pp b/deployment/puppet/openstack_tasks/manifests/roles/cinder.pp
+index b36619437..b6958b64f 100644
+--- a/deployment/puppet/openstack_tasks/manifests/roles/cinder.pp
++++ b/deployment/puppet/openstack_tasks/manifests/roles/cinder.pp
+@@ -81,8 +81,8 @@ class openstack_tasks::roles::cinder {
+   }
+ 
+   # SQLAlchemy backend configuration
+-  $max_pool_size = min($::processorcount * 5 + 0, 30 + 0)
+-  $max_overflow = min($::processorcount * 5 + 0, 60 + 0)
++  $max_pool_size = min($::os_workers * 5 + 0, 30 + 0)
++  $max_overflow = min($::os_workers * 5 + 0, 60 + 0)
+   $max_retries = '-1'
+   $idle_timeout = '3600'
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/sahara/sahara.pp b/deployment/puppet/openstack_tasks/manifests/sahara/sahara.pp
+index 9d011ceb5..0366659f0 100644
+--- a/deployment/puppet/openstack_tasks/manifests/sahara/sahara.pp
++++ b/deployment/puppet/openstack_tasks/manifests/sahara/sahara.pp
+@@ -51,8 +51,8 @@ class openstack_tasks::sahara::sahara {
+     $sahara_user     = pick($sahara_hash['user'], 'sahara')
+     $sahara_password = pick($sahara_hash['user_password'])
+     $tenant          = pick($sahara_hash['tenant'], 'services')
+-    $max_pool_size   = min($::processorcount * 5 + 0, 30 + 0)
+-    $max_overflow    = min($::processorcount * 5 + 0, 60 + 0)
++    $max_pool_size   = min($::os_workers * 5 + 0, 30 + 0)
++    $max_overflow    = min($::os_workers * 5 + 0, 60 + 0)
+     $max_retries     = '-1'
+     $idle_timeout    = '3600'
+ 
+diff --git a/deployment/puppet/openstack_tasks/manifests/swift/parts/proxy.pp b/deployment/puppet/openstack_tasks/manifests/swift/parts/proxy.pp
+index 81d64a2d8..8a68acdb3 100644
+--- a/deployment/puppet/openstack_tasks/manifests/swift/parts/proxy.pp
++++ b/deployment/puppet/openstack_tasks/manifests/swift/parts/proxy.pp
+@@ -26,7 +26,7 @@ class openstack_tasks::swift::parts::proxy (
+     'account_quotas',
+     'slo',
+     'proxy-server'],
+-  $proxy_workers                     = $::processorcount,
++  $proxy_workers                     = $::os_workers,
+   $proxy_port                        = '8080',
+   $proxy_allow_account_management    = true,
+   $proxy_account_autocreate          = true,
+diff --git a/deployment/puppet/openstack_tasks/manifests/swift/proxy_storage.pp b/deployment/puppet/openstack_tasks/manifests/swift/proxy_storage.pp
+index a221baf36..77f4ba1a0 100644
+--- a/deployment/puppet/openstack_tasks/manifests/swift/proxy_storage.pp
++++ b/deployment/puppet/openstack_tasks/manifests/swift/proxy_storage.pp
+@@ -30,7 +30,7 @@ class openstack_tasks::swift::proxy_storage {
+   $keystone_user              = pick($swift_hash['user'], 'swift')
+   $keystone_password          = pick($swift_hash['user_password'], 'passsword')
+   $keystone_tenant            = pick($swift_hash['tenant'], 'services')
+-  $workers_max                = hiera('workers_max', 16)
++  $workers_max                = hiera('workers_max', $::os_workers)
+   $service_workers            = pick($swift_hash['workers'], min(max($::processorcount, 2), $workers_max))
+   $ssl_hash                   = hiera_hash('use_ssl', {})
+   $rabbit_hash                = hiera_hash('rabbit')
+diff --git a/deployment/puppet/osnailyfacter/lib/facter/os_workers.rb b/deployment/puppet/osnailyfacter/lib/facter/os_workers.rb
+new file mode 100644
+index 000000000..404fb9018
+--- /dev/null
++++ b/deployment/puppet/osnailyfacter/lib/facter/os_workers.rb
+@@ -0,0 +1,20 @@
++#
++# We've found that using $::processorcount for workers/threads can lead to
++# unexpected memory or process counts for people deploying on baremetal or
++# if they have large number of cpus. This fact allows us to tweak the formula
++# used to determine number of workers in a single place but use it across all
++# modules.
++#
++# The value for os_workers is max between '(<# processors> / 4)' and '2' with
++# a cap of 8.
++#
++# This fact can be overloaded by an external fact from /etc/factor/facts.d if
++# a user would like to provide their own default value.
++#
++Facter.add(:os_workers) do
++  has_weight 100
++  setcode do
++    processors = Facter.value('processorcount')
++    [ [ (processors.to_i / 4), 2 ].max, 8 ].min
++  end
++end
+diff --git a/deployment/puppet/osnailyfacter/manifests/apache_mpm.pp b/deployment/puppet/osnailyfacter/manifests/apache_mpm.pp
+index 51bc3274d..70a654ae2 100644
+--- a/deployment/puppet/osnailyfacter/manifests/apache_mpm.pp
++++ b/deployment/puppet/osnailyfacter/manifests/apache_mpm.pp
+@@ -11,7 +11,7 @@ class osnailyfacter::apache_mpm inherits ::osnailyfacter::apache {
+   if ($::processorcount + 0) <= 2 {
+     $startservers = 2
+   } else {
+-    $startservers = $::processorcount
++    $startservers = $::os_workers
+   }
+ 
+   $maxrequestsperchild = 0
+diff --git a/deployment/puppet/osnailyfacter/manifests/globals/globals.pp b/deployment/puppet/osnailyfacter/manifests/globals/globals.pp
+index 99e0fa4cd..2e38b10ee 100644
+--- a/deployment/puppet/osnailyfacter/manifests/globals/globals.pp
++++ b/deployment/puppet/osnailyfacter/manifests/globals/globals.pp
+@@ -311,14 +311,14 @@ class osnailyfacter::globals::globals {
+   # The default value assumes there are 20 different types of workers limited by 100Mb each.
+   $workers_ratio = hiera('workers_ratio', 2000)
+   # Defines the maximum allowed number of workers for each service by RAM limits. Cannot exceed the value of 30.
+-  $workers_max = inline_template("<%= [(@memorysize_mb.to_i / @workers_ratio.to_i).floor + 1, 30].min %>")
++  $workers_max = inline_template("<%= [(@memorysize_mb.to_i / @workers_ratio.to_i).floor + 1, $::os_workers].min %>")
+ 
+   $node_name_prefix_for_messaging = hiera('node_name_prefix_for_messaging', 'messaging-')
+ 
+   # MySQL and SQLAlchemy backend configuration
+   $custom_mysql_setup_class = hiera('custom_mysql_setup_class', 'galera')
+-  $max_pool_size            = hiera('max_pool_size', min($::processorcount * 5 + 0, 30 + 0))
+-  $max_overflow             = hiera('max_overflow', min($::processorcount * 5 + 0, 60 + 0))
++  $max_pool_size            = hiera('max_pool_size', min($::os_workers * 5 + 0, 30 + 0))
++  $max_overflow             = hiera('max_overflow', min($::os_workers * 5 + 0, 60 + 0))
+   $max_retries              = hiera('max_retries', '-1')
+   $idle_timeout             = hiera('idle_timeout','3600')
+   $nova_db_password         = $nova_hash['db_password']