SaltStack: MySQL-Replication (Slave-Info)

init.sls

{% set query = [] %}

{% if not salt['mysql.get_slave_status']()['Master_Host'] %}
{% for host, hostinfo in salt['mine.get']("*.mysql_master?.de", 'grains.items').items() %}
{% if hostinfo['cluster'] == "active" and hostinfo['host'] == salt['grains.get']('host') %}
{% do query.append(salt['mine.get'](hostinfo['fqdn'], 'mysql.get_master_status')[hostinfo['fqdn']]) %}
{% do query.append(salt['grains.get']('ipv4')[0].split('.')[-1]) %}
{% endif %}
{% endfor %}
{% set doquery = "CHANGE MASTER TO MASTER_HOST='192.168.0."+ query[1] +"', MASTER_USER='repl', MASTER_PASSWORD='foobar', MASTER_LOG_FILE='"+ query[0]['File'] +"', MASTER_LOG_POS="+ query[0]['Position']|string +";" %}
{{ salt['mysql.query']('mysql', doquery) }}
{% endif %}

{% if salt['mysql.get_slave_status']()['Slave_SQL_Running'] == 'Yes' and salt['mysql.get_slave_status']()['Slave_IO_Running'] == 'Yes' %}
signal_true:
  cmd.run:
    - name: /bin/true
{% else %}
signal_false:
  cmd.run:
    - name: /bin/false
{% endif %}

Hello,

I have try a mysql replication of salt. But i don't understand.
How do I get the value of the position and the log file on the master to send in Application Change to master to the slave.

Can you explain me the function set doquery ?