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Simon McVittie's avatar
Simon McVittie authored
If we want to deal with strange operating systems that use a non-standard
filename for ld.so.cache, we'll have to special-case it. There's
little extra cost to doing this because we already need to understand
how ld.so.cache works, to be able to generate our own with different
search paths.

In situations where we just want a quick container to be able to inspect
the runtime, we can deal with this by mounting all of /etc read-only.

For the final container, we already iterate over all the files in the
runtime's /etc, which will "naturally" include ld.so.cache and
alternatives.

Signed-off-by: default avatarSimon McVittie <smcv@collabora.com>
23035e38
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steam-runtime-tools — Steam Runtime integration for the Steam client

The steam-runtime-tools library provides low-level Unix-specific tools and functionality for the Steam client, including the pressure-vessel tool that runs Steam games in containers.

To support multiple architectures (currently only i386 and x86_64 are supported), you will need to build it once for each architecture and install at least the helper tools in /usr/libexec/steam-runtime-tools-0 (the libsteam-runtime-tools-0-helpers package) for every architecture in parallel.

The helper tools are located relative to the shared library, so it's OK to bundle steam-runtime-tools alongside some other stack in this layout:

anything/
    lib/
        x86_64-linux-gnu/
            libsteam-runtime-tools-0.so.0
    libexec/
        steam-runtime-tools-0/
            i386-linux-gnu-*
            x86_64-linux-gnu-*

as long as the program that is linked to libsteam-runtime-tools-0.so.0 can find it (via a RPATH or RUNPATH or by setting the LD_LIBRARY_PATH environment variable).

pressure-vessel — putting Steam in containers

The pressure-vessel/ subdirectory of this project contains the pressure-vessel utilities, which are used by Steam's Steam Linux Runtime compatibility tool to run games in individual game-specific containers. For background on pressure-vessel and SteamLinuxRuntime, please see: