57c5f2c77e
This patch adds a configurable delay time for retrying the ssh connection when waiting for the containers to restart. This is useful for environments where resources are constrained and containers may take longer to restart. Change-Id: I0383e34a273b93e1b2651460c853cf1ceba89029 Closes-Bug: #1476885
114 lines
4.1 KiB
YAML
114 lines
4.1 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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- name: Check galera cluster status
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hosts: galera_all
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max_fail_percentage: 0
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tasks:
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- name: Check if mysql is running
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command: /usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping
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ignore_errors: true
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register: mysql_running
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- fail:
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msg: "The cluster may be broken, mysql is not running but appears to be installed. Fix it before re-running the playbook or override with 'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'."
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when:
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- not galera_ignore_cluster_state | bool
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- mysql_running.rc == 1
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- mysql_running.stderr | search("Check that mysqld is running and that the socket")
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- name: Gather mysql facts
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mysql_status_facts:
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ignore_errors: true
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- fail:
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msg: "The cluster may be broken, mysql is running but unable to gather mysql facts. Fix it before re-running the playbook or override with 'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'."
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when:
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- not galera_ignore_cluster_state | bool
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- mysql_running.rc == 0
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- "{{ 'mysql_status' not in hostvars[inventory_hostname] }}"
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- fail:
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msg: "wsrep_incoming_addresses does not match across the cluster. Please fix before re-running the playbooks or override with 'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'."
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with_items: play_hosts
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when:
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- not galera_ignore_cluster_state | bool
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- mysql_running.rc == 0
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- hostvars[item]['mysql_running']['rc'] == 0
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- hostvars[inventory_hostname]['mysql_status']['wsrep_incoming_addresses'] != hostvars[item]['mysql_status']['wsrep_incoming_addresses']
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- set_fact:
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galera_existing_cluster: false
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- set_fact:
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galera_existing_cluster: true
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with_items: play_hosts
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when: hostvars[item].mysql_running.rc == 0
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vars:
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galera_ignore_cluster_state: false
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tags:
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- discover-galera-cluster-state
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- name: Install galera server
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hosts: galera_all
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serial: 1
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max_fail_percentage: 20
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user: root
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pre_tasks:
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- name: Galera extra lxc config
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lxc_container:
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name: "{{ container_name }}"
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container_command: |
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[[ ! -d "/var/lib/mysql" ]] && mkdir -p "/var/lib/mysql"
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container_config:
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- "lxc.mount.entry=/openstack/{{ container_name }} var/lib/mysql none bind 0 0"
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delegate_to: "{{ physical_host }}"
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when: is_metal == false or is_metal == "False"
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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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delay: "{{ ssh_delay }}"
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search_regex: "OpenSSH"
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host: "{{ ansible_ssh_host }}"
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delegate_to: "{{ physical_host }}"
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tags:
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- galera-ssh-wait
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roles:
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- { role: "galera_server", tags: [ "galera-server" ] }
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- role: "rsyslog_client"
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rsyslog_client_log_dir: "/var/log/mysql_logs"
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rsyslog_client_log_files:
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- /var/log/mysql.log
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- /var/log/mysql.err
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rsyslog_client_config_name: "99-galera-rsyslog-client.conf"
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tags:
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- "galera-rsyslog-client"
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- "rsyslog-client"
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- role: "system_crontab_coordination"
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tags:
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- "system-crontab-coordination"
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vars:
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galera_wsrep_node_name: "{{ container_name }}"
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ansible_hostname: "{{ container_name }}"
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ansible_ssh_host: "{{ container_address }}"
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is_metal: "{{ properties.is_metal|default(false) }}"
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