6e94a195ec
Currently, deployers can override MTUs on a per-network basis, but may be looking for a way to define the mtu globally. This implements a variable named ``lxc_container_default_mtu`` that currently defaults to 1500 (standard value). If this variable is set, it will globally override the mtu, while still keeping the per-network override. Change-Id: Ia7e4f9e929f513ddc09e6de9467ec6ff765e2e6f Closes-Bug: #1518311
83 lines
3.1 KiB
YAML
83 lines
3.1 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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lxc_container_config: /etc/lxc/lxc-openstack.conf
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# Default container template to build from
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lxc_container_template: ubuntu
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# lxc container rootfs directory and cache path
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lxc_container_directory: "/var/lib/lxc"
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lxc_container_cache_path: "/var/cache/lxc"
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lxc_container_rootfs_directory: "{{ lxc_container_directory }}/{{ container_name }}/rootfs"
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# container_fs.* is only used with building on an LVM backend
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lxc_container_fs_size: 5G
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lxc_container_fs_type: ext4
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# Default store is lvm, however will fall back to dir if the
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# container_volume_group is not found.
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lxc_container_backing_store: lvm
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lxc_container_vg_name: lxc
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# Default image to build from
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lxc_container_release: trusty
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lxc_container_user_name: ubuntu
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lxc_container_user_password: "{{ lookup('pipe', 'date --rfc-3339=ns | sha512sum | base64 | head -c 32') }}"
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lxc_container_template_options: >
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--release {{ lxc_container_release }}
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--user {{ lxc_container_user_name }}
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--password {{ lxc_container_user_password }}
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lxc_container_template_main_apt_repo: "https://mirror.rackspace.com/ubuntu"
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lxc_container_template_security_apt_repo: "https://mirror.rackspace.com/ubuntu"
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lxc_container_default_interfaces: |
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# The loopback network interface
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auto lo
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iface lo inet loopback
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# LXC interface, this is ALWAYS assumed to be DHCP.
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auto eth0
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iface eth0 inet dhcp
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# Load any additional configs
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source /etc/network/interfaces.d/*.cfg
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lxc_container_default_mtu: "1500"
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# The container interface variable is a a default object that assume the
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# Ansible iterator type is `with_dict`.
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lxc_container_interface: |
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### start generated network for [ {{ item.value.interface }} ] ###
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auto {{ item.value.interface }}
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{% if item.value.address is defined %}
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iface {{ item.value.interface }} inet static
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address {{ item.value.address }}
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netmask {{ item.value.netmask }}
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# needed to enable gratuitous arps on interface events
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post-up sysctl -w net.ipv4.conf.$IFACE.arp_notify=1
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# needed to force an interface event (setting mac to what it already is)
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post-up ip link set $IFACE address $(cat /sys/class/net/$IFACE/address)
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{% if item.value.gateway is defined %}
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gateway {{ item.value.gateway }}
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{% endif %}
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{% if item.value.static_routes is defined %}
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{% for route in item.value.static_routes %}
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post-up ip route add {{ route['cidr'] }} via {{ route['gateway'] }} || true
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{% endfor %}
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{% endif %}
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{% else %}
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iface {{ item.value.interface }} inet manual
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{% endif %}
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### end generated network for [ {{ item.value.interface }} ] ###
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