openstack/bifrost
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playbooks: roles: bifrost-ironic-install: Set defaults for /etc/hosts

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If /etc/hosts is not properly configured for localhost, then mysql will
fail with the following error:

Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Creating MySQL privilege database...
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Neither host 'vagrant-openSUSE-Leap' nor 'localhost' could be looked up with
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: '/usr/bin/resolveip'
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: Please configure the 'hostname' command to return a correct
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: hostname.
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: If you want to solve this at a later stage, restart this script
Aug 31 16:06:43 vagrant-openSUSE-Leap mysql-systemd-helper[20301]: with the --force option
Aug 31 16:06:43 vagrant-openSUSE-Leap systemd[1]: mysql.service: Control process exited, code=exited status=1
Aug 31 16:06:43 vagrant-openSUSE-Leap systemd[1]: Failed to start MySQL server.

As such, we need to ensure that /etc/hosts is configured before starting
the mysql service.

Change-Id: I5f1151ab86b6190cf2310bd7fade5290d88abc1e
This commit is contained in:
Markos Chandras 2017-08-31 15:29:15 +01:00
parent 53c7656d65
commit 60b9a9917e
1 changed files with 9 additions and 9 deletions
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18
playbooks/roles/bifrost-ironic-install/tasks/bootstrap.yml
View File

@ -27,21 +27,21 @@
enable_venv: true enable_venv: true
when: lookup('env', 'VENV') | length > 0 when: lookup('env', 'VENV') | length > 0
- name: "Ensure /etc/hosts has good defaults"
lineinfile:
dest: "/etc/hosts"
regexp: "{{ item.regexp }}.*({{ ansible_hostname }}|localhost).*"
line: "{{ item.contents }}"
with_items:
- { regexp: '^127\.0\.0\.1', contents: '127.0.0.1 {{ ansible_hostname }} {{ ansible_fqdn }} localhost' }
- { regexp: '^::1', contents: '::1 {{ ansible_hostname }} {{ ansible_fqdn }} localhost ipv6-localhost ipv6-loopback' }
# NOTE(sean-k-mooney) only the RabbitMQ server and MySQL db are started # NOTE(sean-k-mooney) only the RabbitMQ server and MySQL db are started
# during bootstrapping. all other services are started in the Start phase. # during bootstrapping. all other services are started in the Start phase.
- name: "Start database service" - name: "Start database service"
service: name={{ mysql_service_name }} state=started enabled=yes service: name={{ mysql_service_name }} state=started enabled=yes
when: ironic.database.host == 'localhost' when: ironic.database.host == 'localhost'
- name: "RabbitMQ - Testing if hostname is defined in /etc/hosts"
command: grep -i "{{ ansible_hostname }}" /etc/hosts
ignore_errors: yes
register: test_grep_fix_hostname
# NOTE(sean-k-mooney) in a docker container this will fail so /etc/hosts
# should be fixed before running the bootstrap phase in a container.
- name: "RabbitMQ - Fixing /etc/hosts"
command: sed -i 's/localhost/{{ ansible_hostname }} localhost/' /etc/hosts
when: test_grep_fix_hostname.rc != 0
# NOTE(hwoarang): The erlang SUSE package forces epmd to listen on localhost # NOTE(hwoarang): The erlang SUSE package forces epmd to listen on localhost
# address which breaks rabbitmq-server when listening on a different address. # address which breaks rabbitmq-server when listening on a different address.
# Make sure the systemd service and socket are stopped so rabbitmq-server will # Make sure the systemd service and socket are stopped so rabbitmq-server will