Removes over zealous arp cache flushing
This commit removes the use of the net-cache flushing from all $service plays which ensures that the cache is not overly flushed which could impact performance of services like neutron. The role lxc-container-destroy role was removed because its not used and if it were ever used it its use would result in the same situation covered by this issue. Additionally it was noted that on container restarts, the mac addresses of the container interfaces change. If *no* flushing is done at all, this results in long run times whilst the arp entry for the container IP times out. Hence, we add in here a configuration option that causes a gratuitous arp whenever an interface has it's mac set, and/or the link comes up. Because of the way the container veths work, we can't rely on that happening on a linkm up event. So we forcefully set the mac address in the post-up hook for the interface to force the issue of the gratuitous arp. Co-Authored-By: Evan Callicoat <diopter@gmail.com> Co-Authored-By: Darren Birkett <darren.birkett@gmail.com> Change-Id: I96800b2390ffbacb8341e5538545a3c3a4308cf3 Closes-Bug: 1497433
This commit is contained in:
Kevin Carter
Darren Birkett
parent
4e85ba4e53
commit
4745e709f6
@ -87,11 +87,6 @@
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when: not is_metal | bool
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tags:
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- galera-mysql-dir
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -33,4 +33,4 @@
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vars:
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ansible_hostname: "{{ container_name }}"
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is_metal: "{{ properties.is_metal|default(false) }}"
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lxc_container_release: "{{ properties.container_release|default('trusty') }}"
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lxc_container_release: "{{ properties.container_release|default('trusty') }}"
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@ -39,28 +39,3 @@
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delegate_to: "{{ physical_host }}"
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tags:
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- container-directories
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- name: Flush network cache on lxc host
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hosts: "hosts"
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max_fail_percentage: 20
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gather_facts: false
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user: root
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tasks:
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Ensure flushing network cache on local host
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hosts: 127.0.0.1
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connection: local
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max_fail_percentage: 20
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gather_facts: false
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user: root
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tasks:
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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tags:
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- flush-net-cache
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- flush-net-cache-local
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@ -27,11 +27,6 @@
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when: not is_metal | bool
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tags:
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- lxc-aa-profile
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -27,11 +27,6 @@
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when: not is_metal | bool
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tags:
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- lxc-aa-profile
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -68,11 +68,6 @@
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- cinder-container-setup
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delegate_to: "{{ physical_host }}"
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when: lxc_config is defined and lxc_config.changed
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -38,11 +38,6 @@
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when: not is_metal | bool
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tags:
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- glance-cache-dir
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -27,11 +27,6 @@
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when: not is_metal | bool
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tags:
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- lxc-aa-profile
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -27,11 +27,6 @@
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when: not is_metal | bool
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tags:
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- lxc-aa-profile
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
|
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tags:
|
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -27,11 +27,6 @@
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when: not is_metal | bool
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tags:
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- lxc-aa-profile
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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@ -43,11 +43,6 @@
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inventory_hostname in groups['neutron_agent']
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tags:
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- neutron-container-setup
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- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
|
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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|
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@ -27,11 +27,6 @@
|
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when: not is_metal | bool
|
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tags:
|
||||
- lxc-aa-profile
|
||||
- name: Flush net cache
|
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
|
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- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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|
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@ -29,11 +29,6 @@
|
||||
when: not is_metal | bool
|
||||
tags:
|
||||
- lxc-aa-profile
|
||||
- name: Flush net cache
|
||||
command: /usr/local/bin/lxc-system-manage flush-net-cache
|
||||
delegate_to: "{{ physical_host }}"
|
||||
tags:
|
||||
- flush-net-cache
|
||||
- name: Wait for container ssh
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||||
wait_for:
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port: "22"
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|
||||
@ -27,11 +27,6 @@
|
||||
when: not is_metal | bool
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tags:
|
||||
- lxc-aa-profile
|
||||
- name: Flush net cache
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command: /usr/local/bin/lxc-system-manage flush-net-cache
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delegate_to: "{{ physical_host }}"
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tags:
|
||||
- flush-net-cache
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- name: Wait for container ssh
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wait_for:
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port: "22"
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|
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@ -38,11 +38,6 @@
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when: not is_metal | bool
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tags:
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- repo-dirs
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- name: Flush net cache
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||||
command: /usr/local/bin/lxc-system-manage flush-net-cache
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||||
delegate_to: "{{ physical_host }}"
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||||
tags:
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||||
- flush-net-cache
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||||
- name: Wait for container ssh
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wait_for:
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port: "22"
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||||
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@ -63,6 +63,10 @@ lxc_container_interface: |
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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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||||
|
||||
@ -1,85 +0,0 @@
|
||||
OpenStack LXC container destroy
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||||
###############################
|
||||
:tags: openstack, lxc, container, cloud, ansible
|
||||
:category: \*nix
|
||||
|
||||
contributor guidelines
|
||||
^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
Filing Bugs
|
||||
-----------
|
||||
|
||||
Bugs should be filed on Launchpad, not GitHub: "https://bugs.launchpad.net/openstack-ansible"
|
||||
|
||||
|
||||
When submitting a bug, or working on a bug, please ensure the following criteria are met:
|
||||
* The description clearly states or describes the original problem or root cause of the problem.
|
||||
* Include historical information on how the problem was identified.
|
||||
* Any relevant logs are included.
|
||||
* The provided information should be totally self-contained. External access to web services/sites should not be needed.
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* Steps to reproduce the problem if possible.
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||||
|
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|
||||
Submitting Code
|
||||
---------------
|
||||
|
||||
Changes to the project should be submitted for review via the Gerrit tool, following
|
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the workflow documented at: "http://docs.openstack.org/infra/manual/developers.html#development-workflow"
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Pull requests submitted through GitHub will be ignored and closed without regard.
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Extra
|
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-----
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Tags:
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If it's a bug that needs fixing in a branch in addition to Master, add a '\<release\>-backport-potential' tag (eg ``juno-backport-potential``). There are predefined tags that will autocomplete.
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||||
Status:
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||||
Please leave this alone, it should be New till someone triages the issue.
|
||||
|
||||
Importance:
|
||||
Should only be touched if it is a Blocker/Gating issue. If it is, please set to High, and only use Critical if you have found a bug that can take down whole infrastructures.
|
||||
|
||||
|
||||
Style guide
|
||||
-----------
|
||||
|
||||
When creating tasks and other roles for use in Ansible please create then using the YAML dictionary format.
|
||||
|
||||
Example YAML dictionary format:
|
||||
.. code-block:: yaml
|
||||
|
||||
- name: The name of the tasks
|
||||
module_name:
|
||||
thing1: "some-stuff"
|
||||
thing2: "some-other-stuff"
|
||||
tags:
|
||||
- some-tag
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||||
- some-other-tag
|
||||
|
||||
|
||||
Example **NOT** in YAML dictionary format:
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||||
.. code-block:: yaml
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||||
|
||||
- name: The name of the tasks
|
||||
module_name: thing1="some-stuff" thing2="some-other-stuff"
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tags:
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- some-tag
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||||
- some-other-tag
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||||
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||||
Usage of the ">" and "|" operators should be limited to Ansible conditionals and command modules such as the ansible ``shell`` module.
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||||
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||||
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||||
Issues
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||||
------
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||||
|
||||
When submitting an issue, or working on an issue please ensure the following criteria are met:
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* The description clearly states or describes the original problem or root cause of the problem.
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* Include historical information on how the problem was identified.
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* If the issue is a bug that needs fixing in a branch other than Master, add the ‘backport potential’ tag TO THE ISSUE (not the PR).
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* If the issue is needed for a hotfix release, add the 'expedite' label.
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* Steps to reproduce the problem if possible.
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||||
@ -1,202 +0,0 @@
|
||||
Apache License
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||||
Version 2.0, January 2004
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||||
http://www.apache.org/licenses/
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8. Limitation of Liability. In no event and under no legal theory,
|
||||
whether in tort (including negligence), contract, or otherwise,
|
||||
unless required by applicable law (such as deliberate and grossly
|
||||
negligent acts) or agreed to in writing, shall any Contributor be
|
||||
liable to You for damages, including any direct, indirect, special,
|
||||
incidental, or consequential damages of any character arising as a
|
||||
result of this License or out of the use or inability to use the
|
||||
Work (including but not limited to damages for loss of goodwill,
|
||||
work stoppage, computer failure or malfunction, or any and all
|
||||
other commercial damages or losses), even if such Contributor
|
||||
has been advised of the possibility of such damages.
|
||||
|
||||
9. Accepting Warranty or Additional Liability. While redistributing
|
||||
the Work or Derivative Works thereof, You may choose to offer,
|
||||
and charge a fee for, acceptance of support, warranty, indemnity,
|
||||
or other liability obligations and/or rights consistent with this
|
||||
License. However, in accepting such obligations, You may act only
|
||||
on Your own behalf and on Your sole responsibility, not on behalf
|
||||
of any other Contributor, and only if You agree to indemnify,
|
||||
defend, and hold each Contributor harmless for any liability
|
||||
incurred by, or claims asserted against, such Contributor by reason
|
||||
of your accepting any such warranty or additional liability.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
APPENDIX: How to apply the Apache License to your work.
|
||||
|
||||
To apply the Apache License to your work, attach the following
|
||||
boilerplate notice, with the fields enclosed by brackets "{}"
|
||||
replaced with your own identifying information. (Don't include
|
||||
the brackets!) The text should be enclosed in the appropriate
|
||||
comment syntax for the file format. We also recommend that a
|
||||
file or class name and description of purpose be included on the
|
||||
same "printed page" as the copyright notice for easier
|
||||
identification within third-party archives.
|
||||
|
||||
Copyright {yyyy} {name of copyright owner}
|
||||
|
||||
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.
|
||||
|
||||
@ -1,81 +0,0 @@
|
||||
OpenStack LXC container destroy
|
||||
###############################
|
||||
:tags: openstack, lxc, container, cloud, ansible
|
||||
:category: \*nix
|
||||
|
||||
Role for destroying LXC containers. This role has been setup for use in OpenStack. This role will remove several directories on the LXC host which were used in bind mounted storage within the container.
|
||||
|
||||
Example Play:
|
||||
.. code-block:: yaml
|
||||
|
||||
- name: Destroy lxc containers
|
||||
hosts: all_containers
|
||||
gather_facts: false
|
||||
user: root
|
||||
roles:
|
||||
- { role: "lxc_container_destroy", tags: [ "lxc-container-destroy" ] }
|
||||
|
||||
|
||||
Example Inventory:
|
||||
.. code-block:: json
|
||||
|
||||
{
|
||||
"all_containers": {
|
||||
"children": [
|
||||
"group_of_containers"
|
||||
],
|
||||
"hosts": []
|
||||
},
|
||||
"lxc_hosts": {
|
||||
"children": [],
|
||||
"hosts": [
|
||||
"infra1"
|
||||
]
|
||||
},
|
||||
"group_of_containers": {
|
||||
"children": [],
|
||||
"hosts": [
|
||||
"container1"
|
||||
]
|
||||
},
|
||||
"_meta": {
|
||||
"hostvars": {
|
||||
"infra1": {
|
||||
"ansible_ssh_host": "192.168.0.1",
|
||||
"container_address": "192.168.0.1",
|
||||
"container_name": "infra1",
|
||||
"container_networks": {
|
||||
"management_address": {
|
||||
"bridge": "br-mgmt",
|
||||
"interface": "eth1",
|
||||
"netmask": "255.255.252.0",
|
||||
"type": "veth"
|
||||
}
|
||||
},
|
||||
"properties": {
|
||||
"container_release": "trusty",
|
||||
"is_metal": true
|
||||
}
|
||||
},
|
||||
"container1": {
|
||||
"ansible_ssh_host": "10.0.0.1",
|
||||
"container_address": "10.0.0.1",
|
||||
"container_name": "container1",
|
||||
"container_networks": {
|
||||
"management_address": {
|
||||
"address": "10.0.0.1",
|
||||
"bridge": "br-mgmt",
|
||||
"interface": "eth1",
|
||||
"netmask": "255.255.252.0",
|
||||
"type": "veth"
|
||||
}
|
||||
},
|
||||
"physical_host": "infra1",
|
||||
"physical_host_group": "lxc_hosts",
|
||||
"properties": {
|
||||
"container_release": "trusty",
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,33 +0,0 @@
|
||||
---
|
||||
# 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.
|
||||
|
||||
galaxy_info:
|
||||
author: rcbops
|
||||
description: Destroy an lxc container
|
||||
company: Rackspace
|
||||
license: Apache2
|
||||
min_ansible_version: 1.6.6
|
||||
platforms:
|
||||
- name: Ubuntu
|
||||
versions:
|
||||
- trusty
|
||||
categories:
|
||||
- cloud
|
||||
- lxc
|
||||
- container
|
||||
- python
|
||||
- development
|
||||
- openstack
|
||||
dependencies: []
|
||||
@ -1,36 +0,0 @@
|
||||
---
|
||||
# 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.
|
||||
|
||||
- name: Destroy a container
|
||||
lxc_container:
|
||||
name: "{{ container_name }}"
|
||||
state: "absent"
|
||||
delegate_to: "{{ physical_host }}"
|
||||
tags:
|
||||
- container-destroy
|
||||
|
||||
- name: Destroy container service directories
|
||||
file:
|
||||
path: "{{ item }}"
|
||||
state: "absent"
|
||||
with_items:
|
||||
- "/openstack/{{ container_name }}"
|
||||
- "/openstack/backup/{{ container_name }}"
|
||||
- "/openstack/log/{{ container_name }}"
|
||||
- "/var/lib/lxc/{{ container_name }}"
|
||||
- "{{ lxc_container_directory|default('/var/lib/lxc') }}/{{ container_name }}"
|
||||
delegate_to: "{{ physical_host }}"
|
||||
tags:
|
||||
- container-directories
|
||||
@ -46,11 +46,6 @@
|
||||
when: not is_metal | bool
|
||||
tags:
|
||||
- rsyslog-storage-dirs
|
||||
- name: Flush net cache
|
||||
command: /usr/local/bin/lxc-system-manage flush-net-cache
|
||||
delegate_to: "{{ physical_host }}"
|
||||
tags:
|
||||
- flush-net-cache
|
||||
- name: Wait for container ssh
|
||||
wait_for:
|
||||
port: "22"
|
||||
|
||||
@ -27,11 +27,6 @@
|
||||
when: not is_metal | bool
|
||||
tags:
|
||||
- lxc-aa-profile
|
||||
- name: Flush net cache
|
||||
command: /usr/local/bin/lxc-system-manage flush-net-cache
|
||||
delegate_to: "{{ physical_host }}"
|
||||
tags:
|
||||
- flush-net-cache
|
||||
- name: Wait for container ssh
|
||||
wait_for:
|
||||
port: "22"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user