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49 lines
1.1 KiB
49 lines
1.1 KiB
2 years ago
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{
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image,
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directory,
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pkgs ? import <nixpkgs> {},
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}:
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pkgs.vmTools.runInLinuxVM (
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pkgs.runCommand "docker-preload-image" {
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memSize = 8 * 1024;
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buildInputs = with pkgs; [
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curl
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kmod
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docker
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e2fsprogs
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utillinux
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];
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}
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''
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modprobe overlay
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# from https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount
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mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
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cd /sys/fs/cgroup
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for sys in $(awk '!/^#/ { if ($4 == 1) print $1 }' /proc/cgroups); do
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mkdir -p $sys
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if ! mountpoint -q $sys; then
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if ! mount -n -t cgroup -o $sys cgroup $sys; then
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rmdir $sys || true
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fi
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fi
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done
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dockerd -H tcp://127.0.0.1:5555 -H unix:///var/run/docker.sock &
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until $(curl --output /dev/null --silent --connect-timeout 2 http://127.0.0.1:5555); do
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printf '.'
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sleep 1
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done
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echo load image
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docker load -i ${image}
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echo run image
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docker run ${image.destNameTag} tar -C '${toString directory}' -c . | tar -xv --no-same-owner -C $out || true
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echo end
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kill %1
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''
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)
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