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Give containers a writable /nix/var/nix/{profiles,gcroots}

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These are stored on the host in
/nix/var/nix/{profiles,gcroots}/per-container/<container-name> to
ensure that container profiles/roots are not garbage-collected.
This commit is contained in:
Eelco Dolstra 2014-03-17 15:23:20 +01:00
parent ef8e0266a2
commit ac215779dd
1 changed files with 10 additions and 1 deletions
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11
nixos/modules/virtualisation/containers.nix
View file

@ -110,10 +110,19 @@ with pkgs.lib;
if ! [ -e ${container.root}/etc/os-release ]; then
touch ${container.root}/etc/os-release
fi
mkdir -p -m 0755 \
/nix/var/nix/profiles/per-container/${name} \
/nix/var/nix/gcroots/per-container/${name}
'';
serviceConfig.ExecStart =
"${config.systemd.package}/bin/systemd-nspawn -M ${name} -D ${container.root} --bind-ro=/nix ${container.path}/init";
"${config.systemd.package}/bin/systemd-nspawn"
+ " -M ${name} -D ${container.root}"
+ " --bind-ro=/nix/store --bind-ro=/nix/var/nix/db --bind-ro=/nix/var/nix/daemon-socket"
+ " --bind=/nix/var/nix/profiles/per-container/${name}:/nix/var/nix/profiles"
+ " --bind=/nix/var/nix/gcroots/per-container/${name}:/nix/var/nix/gcroots"
+ " ${container.path}/init";
preStop =
''