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|
#!/bin/bash
set -ex
default_slave_remote_file=data/default-slave-remote
master_password_file=data/mysql-master-password
if [ -r "$default_slave_remote_file" ]
then
read default_remote_host < "$default_slave_remote_file"
fi
gen_password()
{
generated_password_length=32
generated_password=$(tr -cd a-zA-Z0-9 < /dev/urandom | head -c "$generated_password_length")
[ "${#generated_password}" -eq "$generated_password_length" ]
printf '%s\n' "$generated_password"
}
if ! [ -e "$master_password_file" ]
then
gen_password > "$master_password_file"
fi
if [ -r "$master_password_file" ]
then
read master_password < "$master_password_file"
[ "${#master_password}" -ge 30 ]
fi
our_host=$(hostname --fqdn)
remote_host=${1:-$default_remote_host}
rpc_funcs=
rpc()
{
read shellscript < <(declare -f $rpc_funcs; echo $*)
set -- $shellscript
ssh -l "$remote_user" -- "$remote_host" ${*@Q}
}
[ "$our_host" ]
[ "$remote_host" ]
[ "$master_password" ]
primarydb_create_user()
{
:
}
mariabackup_target_dir=/var/mariadb/backup
primarydb_export_backup()
{
mkdir -p "$mariabackup_target_dir"
mariabackup --backup --target-dir="$mariabackup_target_dir"
}
primarydb()
{
ssh -l root "$remote_host" -- "$@"
}
remote_user=root
rpc uptime
exit 1
ssh -l root "$remote_host" -- mariadb -t <<END
select @@hostname, @@server_id, @@gtid_slave_pos, @@sql_log_bin;
SELECT VARIABLE_NAME,SESSION_VALUE,GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME='sql_log_bin' OR VARIABLE_NAME='HOSTNAME' \G
SELECT VARIABLE_NAME,SESSION_VALUE,GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES \G
END
exit 0
ssh -l root "$remote_host" -- mariadb <<END
CHANGE MASTER TO
MASTER_HOST='$our_host',
MASTER_USER='replication',
MASTER_PASSWORD='$master_password'
END
|
