recover-mariadb.yaml
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recover-mariadb.yaml
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	- name: Configure kolab-node
	hosts: nodes
	gather_facts: False
	become: yes
	user: kolab
	tasks:
	- name: Initialize galera cluster
	ansible.builtin.shell: \|
	systemctl stop mariadb; \
	systemctl stop garbd; \

	# TODO in principle we should first select the correct node to bootstrap by comparing the output of:
	#sudo mysqld --wsrep-recover, which outputs something like "WSREP: Recovered position: 90823e7a-cf9e-11ef-a4e1-d69a8635a591:1873796",
	#and then use that node to bootstrap.

	- name: Initialize galera cluster
	ansible.builtin.shell: \|
	sed -i 's/safe_to_bootstrap: 0/safe_to_bootstrap: 1/' /data/mysql/grastate.dat; \
	galera_new_cluster
	when: mariadb.bootstrap

	- name: Start mariadb
	ansible.builtin.command: systemctl start mariadb
	when: not mariadb.bootstrap

	- name: Start garbd
	ansible.builtin.command: systemctl start garbd