70 lines
3.5 KiB
YAML
70 lines
3.5 KiB
YAML
---
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# Copyright 2014, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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openstack_code_name: Mitaka
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openstack_release: master
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openstack_host_sysstat_enabled: true
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openstack_host_sysstat_interval: 1
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openstack_host_sysstat_statistics_hour: 23
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## Enable/disable /etc/hosts file management
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## You should make other arrangements for name resolution
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## of OSA containers and hosts if disabling this
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openstack_host_manage_hosts_file: true
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## kernel modules for specific group hosts
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# to include it in your play, an example is given below:
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#openstack_host_specific_kernel_modules:
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# - { name: "ebtables", pattern: "CONFIG_BRIDGE_NF_EBTABLES", group: "network_hosts" }
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## :param name: name of the kernel module
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## :param pattern: pattern to grep for in /boot/config-$kernel_version to check how module is configured inside kernel
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## :param group: group of hosts where the module will be loaded
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# The following garbage collection values are set to better support lots of neutron networks/routers.
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# Used for setting the net.ipv4/6.neigh.default.gc_thresh* values. This assumes that facts were
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# gathered to obtain the total amount of memory available on a given host. If no facts are gathered
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# the default set will be 1024 unless its defined by the user.
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gc_val: "{{ ansible_memtotal_mb | default(1024) | bit_length_power_of_2 }}"
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# The ste value has a Max allowable value of 8192 unless set by the user.
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set_gc_val: "{{ gc_val if (gc_val | int <= 8192) else 8192 }}"
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# System control kernel tuning
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openstack_kernel_options:
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- { key: 'fs.inotify.max_user_watches', value: 36864 }
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- { key: 'net.ipv4.conf.all.rp_filter', value: 0 }
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- { key: 'net.ipv4.conf.default.rp_filter', value: 0 }
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- { key: 'net.ipv4.ip_forward', value: 1 }
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- { key: 'net.netfilter.nf_conntrack_max', value: 262144 }
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- { key: 'vm.dirty_background_ratio', value: 5 }
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- { key: 'vm.dirty_ratio', value: 10 }
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- { key: 'vm.swappiness', value: 5 }
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- { key: 'net.bridge.bridge-nf-call-ip6tables', value: 0 }
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- { key: 'net.bridge.bridge-nf-call-iptables', value: 0 }
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- { key: 'net.bridge.bridge-nf-call-arptables', value: 0 }
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- { key: 'net.ipv4.neigh.default.gc_thresh1', value: "{{ set_gc_val | int // 2 }}" }
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- { key: 'net.ipv4.neigh.default.gc_thresh2', value: "{{ set_gc_val | int }}" }
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- { key: 'net.ipv4.neigh.default.gc_thresh3', value: "{{ set_gc_val | int * 2 }}" }
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- { key: 'net.ipv4.route.gc_thresh', value: "{{ set_gc_val | int * 2 }}" }
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- { key: 'net.ipv4.neigh.default.gc_interval', value: 60 }
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- { key: 'net.ipv4.neigh.default.gc_stale_time', value: 120 }
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- { key: 'net.ipv6.neigh.default.gc_thresh1', value: "{{ set_gc_val | int // 2 }}" }
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- { key: 'net.ipv6.neigh.default.gc_thresh2', value: "{{ set_gc_val | int }}" }
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- { key: 'net.ipv6.neigh.default.gc_thresh3', value: "{{ set_gc_val | int * 2 }}" }
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- { key: 'net.ipv6.route.gc_thresh', value: "{{ set_gc_val | int * 2 }}" }
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- { key: 'net.ipv6.neigh.default.gc_interval', value: 60 }
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- { key: 'net.ipv6.neigh.default.gc_stale_time', value: 120 }
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- { key: 'fs.aio-max-nr', value: 131072 }
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