57 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
#
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# Cookbook:: kosmos_postgresql
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# Recipe:: replica
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#
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postgresql_version = "12"
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postgresql_service = "postgresql@#{postgresql_version}-main"
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postgresql_custom_server postgresql_version do
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  role "replica"
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end
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service postgresql_service do
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  supports restart: true, status: true, reload: true
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end
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postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')
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primary = postgresql_primary
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unless primary.nil?
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  # TODO
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  postgresql_data_dir = "/var/lib/postgresql/#{postgresql_version}/main"
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  # FIXME get zerotier IP
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  execute "set up replication" do
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    command <<-EOF
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systemctl stop #{postgresql_service}
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mv #{postgresql_data_dir} #{postgresql_data_dir}.old
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pg_basebackup -h pg.kosmos.local -U replication -D #{postgresql_data_dir} -R
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chown -R postgres:postgres #{postgresql_data_dir}
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systemctl start #{postgresql_service}
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    EOF
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    environment 'PGPASSWORD' => postgresql_data_bag_item['replication_password']
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    sensitive true
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    not_if { ::File.exist? "#{postgresql_data_dir}/standby.signal" }
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  end
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  postgresql_access "zerotier members" do
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    access_type "host"
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    access_db "all"
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    access_user "all"
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    access_addr "10.1.1.0/24"
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    access_method "md5"
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    notifies :reload, "service[#{postgresql_service}]", :immediately
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  end
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  postgresql_access "zerotier members replication" do
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    access_type "host"
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    access_db "replication"
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    access_user "replication"
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    access_addr "10.1.1.0/24"
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    access_method "md5"
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    notifies :reload, "service[#{postgresql_service}]", :immediately
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  end
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end
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