Hi all I've prepared a Dockerfile that produces a canned Perl 5.8.8 environment based on CentOS 5 on any host with Docker. It has ccache installed and enabled, git installed, IPC::Run installed, all the mess required to make CPAN work sensibly done, etc.
Once you build the container once you can quickly re-use it to run test builds. You can map a postgres source tree, working tree and ccache directory from the host to make them persistent. Understand that this container runs code fetched directly off the 'net as root, albeit root within a container, during setup. It avoids running all the perl/cpan stuff as root though, switching to a normal user as soon as it's installed the required RPMs from centos repos and rpmforge, so it's not just curl'ing random scripts into bash/perl as root. To build the container: mkdir pgtaptest cp /path/to/Dockerfile pgtaptest cd pgtaptest docker build -t pgtaptest . To run a shell in the container environment: alias pgtaptest="docker run -i -t \ -v /path/to/my/postgres/tree:/postgres \ -v /path/to/builddir:/pgbuild \ -v /path/to/ccache:/ccache \ pgtaptest' pgtaptest Once in the working environment's shell, /postgres is the mapped source tree, /pgbuild is the mapped build tree (or an empty dir, if you didn't map it), and /ccache is the mapped ccache or - again - an empty tree if you didn't map it. Unmapped volumes get discarded when the container instance exits. There's an alias preconfigured, recovery-check, that configures and makes postgres and runs the recovery tests. To run it directly from the host, assuming you created the alias above, just: pgtaptest recovery-check I've accepted some ugly inline script generation in the dockerfile to avoid needing separate files, so it's self-contained. Happy Perl 5.8'ing! -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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