87 lines
2.6 KiB
YAML
87 lines
2.6 KiB
YAML
---
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# (c) 2021, Satish Patel <satish.txt@gmail.com>
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#
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# Copyright
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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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# checking if ovn db are clustered or not, if not then this is fresh node.
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- name: Check if ovn db is clustered
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command: ovsdb-tool db-is-clustered /var/lib/ovn/ovnnb_db.db
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ignore_errors: true
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failed_when: false
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register: _check_cluster_db
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tags:
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- skip_ansible_lint
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# We need to clean existing ovn db/lock file before cluster join.
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- name: Clean up db/lock files before creating ovn cluster
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when:
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- _check_cluster_db.rc != 0
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block:
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- name: Stop ovn services
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service:
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name: "{{ item }}"
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state: stopped
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with_items:
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- ovn-northd
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- ovn-central
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- name: Clean up ovn db directory
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file:
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path: /var/lib/ovn/
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state: absent
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# We are finding leader node so new nodes use leader to join cluster.
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- name: Find leader node in ovn cluster
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shell: ovs-appctl -t /var/run/ovn/ovnnb_db.ctl cluster/status OVN_Northbound | sed 's/ //g' | grep -oP '(?<=Role:).*'
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args:
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executable: /bin/bash
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ignore_errors: true
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delegate_to: "{{ item }}"
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with_items: "{{ groups['neutron_ovn_northd'] }}"
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run_once: true
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failed_when: false
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register: _find_leader
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tags:
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- skip_ansible_lint
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# set leader_node variable
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- name: Set leader_node fact
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set_fact:
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leader_node: "{{ (_find_leader.results | selectattr('stdout', 'search', 'leader')) | map(attribute='item') | list }}"
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# This play only run first time to build cluster using primary node.
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- name: Setup ovn cluster using primary node.
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template:
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src: ovn-central.j2
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dest: "/etc/default/ovn-central"
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when:
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- "inventory_hostname == neutron_ovn_primary_cluster_node"
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- _check_cluster_db.rc != 0
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- not leader_node
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notify:
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- start ovn-central service
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- restart ovn-central service
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# This play will add nodes in existing cluster using leader_node var.
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- name: Join new nodes to ovn cluster using leader node
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template:
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src: ovn-central.j2
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dest: "/etc/default/ovn-central"
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when:
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- _check_cluster_db.rc != 0
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notify:
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- start ovn-central service
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- restart ovn-central service
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