openstack-ansible/playbooks/roles/openstack_hosts/defaults/main.yml
Jesse Pretorius 06fadf9dca Shift irqbalance package from lxc_hosts to openstack_hosts
The irqbalance daemon is expected by the lxc_hosts playbook in its
pre_tasks. This patch ensures that it's there by adding the
package to the openstack_hosts role which runs before the the
lxc_hosts playbook.

Change-Id: I88e34aedf727c9a9698ddefcdd05eb4debfa5619
Closes-Bug: #1482146
2015-09-10 07:41:05 +00:00

111 lines
3.7 KiB
YAML

---
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
openstack_code_name: 1AndOne=11
openstack_release: master
openstack_host_systat_enabled: true
openstack_host_systat_interval: 1
openstack_host_systat_statistics_hour: 23
openstack_host_disbale_auto_updates: true
## Defined required kernel. presently 3.13.0-32-generic
openstack_host_required_kernel: 3.13.0-34-generic
## Kernel modules loaded on hosts
openstack_host_kernel_modules:
- 8021q
- dm_multipath
- dm_snapshot
- ip6table_filter
- ip6_tables
- ip_tables
- ipt_MASQUERADE
- ipt_REJECT
- iptable_filter
- iptable_mangle
- iptable_nat
- iscsi_tcp
- nbd
- nf_conntrack
- nf_conntrack_ipv4
- nf_defrag_ipv4
- nf_nat
- nf_nat_ipv4
- scsi_dh
- vhost_net
- x_tables
## Base packages
openstack_host_apt_packages:
- apparmor-utils
- apt-transport-https
- bridge-utils
- build-essential
- cgroup-lite
- curl
- dmeventd
- dstat
- htop
- iptables
- irqbalance
- libkmod-dev
- libkmod2
- lvm2
- python-software-properties
- python-dev
- rsync
- rsyslog
- sshpass
- sysstat
- time
- vlan
- wget
# The following garbage collection values are set to better support lots of neutron networks/routers.
# Used for setting the net.ipv4/6.neigh.default.gc_thresh* values. This assumes that facts were
# gathered to obtain the total amount of memory available on a given host. If no facts are gathered
# the default set will be 1024 unless its defined by the user.
gc_val: "{{ ansible_memtotal_mb | default(1024) | bit_length_power_of_2 }}"
# The ste value has a Max allowable value of 8192 unless set by the user.
set_gc_val: "{{ gc_val if (gc_val | int <= 8192) else 8192 }}"
# System control kernel tuning
openstack_kernel_options:
- { key: 'fs.inotify.max_user_watches', value: 36864 }
- { key: 'net.ipv4.conf.all.rp_filter', value: 0 }
- { key: 'net.ipv4.conf.default.rp_filter', value: 0 }
- { key: 'net.ipv4.ip_forward', value: 1 }
- { key: 'net.netfilter.nf_conntrack_max', value: 262144 }
- { key: 'vm.dirty_background_ratio', value: 5 }
- { key: 'vm.dirty_ratio', value: 10 }
- { key: 'vm.swappiness', value: 5 }
- { key: 'net.bridge.bridge-nf-call-ip6tables', value: 0 }
- { key: 'net.bridge.bridge-nf-call-iptables', value: 0 }
- { key: 'net.bridge.bridge-nf-call-arptables', value: 0 }
- { key: 'net.ipv4.neigh.default.gc_thresh1', value: "{{ set_gc_val | int // 2 }}" }
- { key: 'net.ipv4.neigh.default.gc_thresh2', value: "{{ set_gc_val | int }}" }
- { key: 'net.ipv4.neigh.default.gc_thresh3', value: "{{ set_gc_val | int * 2 }}" }
- { key: 'net.ipv4.route.gc_thresh', value: "{{ set_gc_val | int * 2 }}" }
- { key: 'net.ipv4.neigh.default.gc_interval', value: 60 }
- { key: 'net.ipv4.neigh.default.gc_stale_time', value: 120 }
- { key: 'net.ipv6.neigh.default.gc_thresh1', value: "{{ set_gc_val | int // 2 }}" }
- { key: 'net.ipv6.neigh.default.gc_thresh2', value: "{{ set_gc_val | int }}" }
- { key: 'net.ipv6.neigh.default.gc_thresh3', value: "{{ set_gc_val | int * 2 }}" }
- { key: 'net.ipv6.route.gc_thresh', value: "{{ set_gc_val | int * 2 }}" }
- { key: 'net.ipv6.neigh.default.gc_interval', value: 60 }
- { key: 'net.ipv6.neigh.default.gc_stale_time', value: 120 }