baremetal: Refactor /etc/hosts configuration into a separate role
Change-Id: If65657860fc607b92dca62337fc24dd7b5d21589
This commit is contained in:
Mark Goddard
parent
60979d8c7c
commit
6236e557fd
@ -18,8 +18,6 @@ ceph_yum_gpgcheck: true
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ceph_yum_package: "ceph-common"
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epel_yum_package: "epel-release"
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customize_etc_hosts: True
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create_kolla_user: False
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kolla_user: "kolla"
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@ -1,4 +1,7 @@
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---
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- import_role:
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name: openstack.kolla.etc_hosts
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- import_tasks: pre-install.yml
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- import_tasks: install.yml
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@ -1,48 +1,4 @@
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---
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- name: Ensure localhost in /etc/hosts
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lineinfile:
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dest: /etc/hosts
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regexp: "^127.0.0.1.*"
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line: "127.0.0.1 localhost"
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create: true
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mode: 0644
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state: present
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become: True
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when: customize_etc_hosts | bool
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# NOTE(mgoddard): Ubuntu may include a line in /etc/hosts that makes the local
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# hostname and fqdn point to 127.0.1.1. This can break
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# RabbitMQ, which expects the hostname to resolve to the API network address.
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# Remove the troublesome entry.
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# see https://bugs.launchpad.net/kolla-ansible/+bug/1837699
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# and https://bugs.launchpad.net/kolla-ansible/+bug/1862739
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- name: Ensure hostname does not point to 127.0.1.1 in /etc/hosts
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lineinfile:
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dest: /etc/hosts
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regexp: "^127.0.1.1\\b.*\\s{{ ansible_facts.hostname }}\\b"
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state: absent
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become: True
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when: customize_etc_hosts | bool
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- name: Generate /etc/hosts for all of the nodes
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blockinfile:
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dest: /etc/hosts
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marker: "# {mark} ANSIBLE GENERATED HOSTS"
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block: |
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{% for host in groups['baremetal'] %}
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{% set api_interface = hostvars[host]['api_interface'] %}
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{% if host not in groups['bifrost'] or api_interface in hostvars[host].ansible_facts %}
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{% set hostnames = [hostvars[host].ansible_facts.nodename, hostvars[host].ansible_facts.hostname] %}
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{{ 'api' | kolla_address(host) }} {{ hostnames | unique | join(' ') }}
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{% endif %}
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{% endfor %}
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become: True
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when:
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- customize_etc_hosts | bool
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# Skip hosts in the bifrost group that do not have a valid api_interface.
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- inventory_hostname not in groups['bifrost'] or
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hostvars[inventory_hostname]['api_interface'] | replace('-', '_') in hostvars[inventory_hostname].ansible_facts
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- name: Ensure unprivileged users can use ping
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become: true
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sysctl:
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@ -51,23 +7,3 @@
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state: present
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sysctl_file: "{{ kolla_sysctl_conf_path }}"
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when: ansible_facts.os_family == 'RedHat'
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# NOTE(osmanlicilegi): The distribution might come with cloud-init installed, and manage_etc_hosts
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# configuration enabled. If so, it will override the file /etc/hosts from cloud-init templates at
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# every boot, which will break RabbitMQ. To prevent this happens, first we check whether cloud-init
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# has been installed, and then set manage_etc_hosts to false.
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- name: Check whether cloud-init has been installed, and ensure manage_etc_hosts is disabled
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block:
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- name: Ensure /etc/cloud/cloud.cfg exists
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stat:
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path: /etc/cloud/cloud.cfg
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register: cloud_init
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- name: Disable cloud-init manage_etc_hosts
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copy:
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content: "manage_etc_hosts: false"
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dest: /etc/cloud/cloud.cfg.d/99-kolla.cfg
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mode: "0660"
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when: cloud_init.stat.exists
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become: True
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when: customize_etc_hosts | bool
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3
roles/etc_hosts/defaults/main.yml
Normal file
3
roles/etc_hosts/defaults/main.yml
Normal file
@ -0,0 +1,3 @@
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---
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# Whether to add entries to /etc/hosts.
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customize_etc_hosts: true
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60
roles/etc_hosts/tasks/etc-hosts.yml
Normal file
60
roles/etc_hosts/tasks/etc-hosts.yml
Normal file
@ -0,0 +1,60 @@
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---
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- name: Ensure localhost in /etc/hosts
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lineinfile:
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dest: /etc/hosts
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regexp: "^127.0.0.1.*"
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line: "127.0.0.1 localhost"
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create: true
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mode: 0644
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state: present
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become: True
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# NOTE(mgoddard): Ubuntu may include a line in /etc/hosts that makes the local
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# hostname and fqdn point to 127.0.1.1. This can break
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# RabbitMQ, which expects the hostname to resolve to the API network address.
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# Remove the troublesome entry.
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# see https://bugs.launchpad.net/kolla-ansible/+bug/1837699
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# and https://bugs.launchpad.net/kolla-ansible/+bug/1862739
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- name: Ensure hostname does not point to 127.0.1.1 in /etc/hosts
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lineinfile:
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dest: /etc/hosts
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regexp: "^127.0.1.1\\b.*\\s{{ ansible_facts.hostname }}\\b"
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state: absent
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become: True
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- name: Generate /etc/hosts for all of the nodes
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blockinfile:
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dest: /etc/hosts
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marker: "# {mark} ANSIBLE GENERATED HOSTS"
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block: |
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{% for host in groups['baremetal'] %}
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{% set api_interface = hostvars[host]['api_interface'] %}
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{% if host not in groups['bifrost'] or api_interface in hostvars[host].ansible_facts %}
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{% set hostnames = [hostvars[host].ansible_facts.nodename, hostvars[host].ansible_facts.hostname] %}
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{{ 'api' | kolla_address(host) }} {{ hostnames | unique | join(' ') }}
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{% endif %}
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{% endfor %}
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become: True
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when:
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# Skip hosts in the bifrost group that do not have a valid api_interface.
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- inventory_hostname not in groups['bifrost'] or
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hostvars[inventory_hostname]['api_interface'] | replace('-', '_') in hostvars[inventory_hostname].ansible_facts
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# NOTE(osmanlicilegi): The distribution might come with cloud-init installed, and manage_etc_hosts
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# configuration enabled. If so, it will override the file /etc/hosts from cloud-init templates at
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# every boot, which will break RabbitMQ. To prevent this happens, first we check whether cloud-init
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# has been installed, and then set manage_etc_hosts to false.
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- name: Check whether cloud-init has been installed, and ensure manage_etc_hosts is disabled
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block:
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- name: Check whether /etc/cloud/cloud.cfg exists
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stat:
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path: /etc/cloud/cloud.cfg
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register: cloud_init
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- name: Disable cloud-init manage_etc_hosts
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copy:
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content: "manage_etc_hosts: false"
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dest: /etc/cloud/cloud.cfg.d/99-kolla.cfg
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mode: "0660"
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when: cloud_init.stat.exists
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become: True
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4
roles/etc_hosts/tasks/main.yml
Normal file
4
roles/etc_hosts/tasks/main.yml
Normal file
@ -0,0 +1,4 @@
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---
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- name: Include etc-hosts.yml
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include_tasks: etc-hosts.yml
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when: customize_etc_hosts | bool
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