kolla build 配置

kolla-build.conf 配置文件：

[DEFAULT]
debug = false
base = centos
base_tag = 7.7.1908
base_arch = x86_64
tag = train
install_type = binary
namespace = qianxin
push = false
threads = 3
logs_dir = /var/log/kolla-build
maintainer = wangjunqiang

[profiles]
default = memcached,kolla-toolbox,cron,mariadb,rabbitmq,keepalived,haproxy,chrony,etcd,fluentd,elasticsearch,kibana,ceph,heat,horizon,openvswitch,neutron,cinder,keystone,glance,nova,placement,prometheus,ironic,ironic-inspector