Monorepo for Tangled
nix: use disk-backed nix store in alpine image
Signed-off-by: dawn <dawn@tangled.org>
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nix/pkgs/spindle-alpine-image.nix
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nix/pkgs/spindle-alpine-image.nix
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modprobe vsock_loopback
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modprobe ext4
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# /dev/vda is the squashfs root; the first spindle volume backs /workspace
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if [ -b /dev/vdb ]; then
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# setup disk backed nix store
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mount -t ext4 /dev/vdb /workspace
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install -d -o spindle-workflow -g spindle-workflow /workspace /workspace/repo
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install -d /workspace/.nix/rw-store /workspace/.nix/rw-store-work /workspace/.nix/build
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mount -t overlay overlay \
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-o lowerdir=/nix/store,upperdir=/workspace/.nix/rw-store,workdir=/workspace/.nix/rw-store-work \
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/nix/store
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fi
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ip link set lo up
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inittab = writeText "inittab" ''
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::sysinit:/sbin/spindle-setup
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::respawn:/usr/local/bin/nix-daemon
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::respawn:env TMPDIR=/workspace/.nix/build /usr/local/bin/nix-daemon
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::respawn:env NIX_REMOTE=daemon /usr/bin/shuttle
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::ctrlaltdel:/sbin/reboot
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'';
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trusted-users = root
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allowed-users = spindle-workflow
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post-build-hook = /usr/libexec/spindle-post-build-hook
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# keep build sandboxes on the /workspace disk, not the RAM-backed root tmpfs
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build-dir = /workspace/.nix/build
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!include /run/spindle/nix.conf
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'';
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