Kolla has a config_strategy option during deployment. it supports COPY_ONCE and COPY_ALWAYS. which means whether copy the configuration files defined in config.json again during starting containers.
COPY_ALWAYS: copy all configuration files always during every start ( default value now ) COPY_ONCE: copy only once for the first start, then it won't copy even the configuration is changed COPY_ALWAYS is more common for most users. change configuration, then restart containers and it works. but COPY_ONCE is not. after changing the configuration, should remove the container and start it again. for COPY_ONCE, the pro is keeping immutability of the container. the con is making thing difficult. no matter for kolla code or end-user. I am curiosity does end-user really care about the immutability cause by configuration file? how many user really need such a feature? So I propose to remove COPY_ONCE. any idea is welcome ;) -- Regards, Jeffrey Zhang Blog: http://xcodest.me
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