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|
#! /bin/sh
set -xeuf
. ./lib/prelude.sh
. ./lib/cac.sh
. ./lib/cacnixos.sh
nix_url=https://nixos.org/releases/nix/nix-1.8/nix-1.8-x86_64-linux.tar.bz2
nix_sha256=52fab207b4ce4d098a12d85357d0353e972c492bab0aa9e08e1600363e76fefb
nix_find_sha1sum=86f8775bd4f0841edd4c816df861cebf509d58c3
# This is somewhat required because cloudatcost requires whitelisting
# of hosts. If you whitelist your localhost, then leave this empty.
# cac_via=
#
# cac_key=
# cac_login=
# cac_servername=
# hostname=
main() {
server=$(cac_getserver_by_servername "$cac_servername")
serverstatus=$(echo $server | jq -r .status)
case $serverstatus in
'Powered On') : ;;
*)
echo $0: bad server status: $serverstatus >&2
exit 2
esac
template=$(echo $server | jq -r .template)
case $template in
'CentOS-7-64bit') infest_centos7_64bit "$server";;
*)
echo $0: bad template: $template >&2
exit 3
esac
}
infest_centos7_64bit() {
server=$1
address=$(echo $server | jq -r .ip)
RSYNC_RSH='sshpass -e ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'
SSHPASS=$(echo $server | jq -r .rootpass)
export SSHPASS
export RSYNC_RSH
main="modules/$hostname/default.nix"
target="root@$address"
cacnixos_networking "$server" $hostname \
> modules/$hostname/networking.nix
echo '(
set -xeuf
type bzip2 || yum install -y bzip2
type rsync || yum install -y rsync
)' \
| sshpass -e ssh \
-o StrictHostKeyChecking=no \
-o UserKnownHostsFile=/dev/null \
"root@$address" \
/bin/sh
rsync_filter "$main" \
| rsync -f '. -' -zvrlptD --delete-excluded ./ "$target":/etc/nixos/
#
#
#
echo '(
set -xeuf
groupadd -g 30000 nixbld || :
for i in `seq 1 10`; do
useradd -c "foolsgarden Nix build user $i" \
-d /var/empty \
-s /sbin/nologin \
-g 30000 \
-G 30000 \
-l -u $(expr 30000 + $i) \
nixbld$i || :
rm -f /var/spool/mail/nixbld$i
done
#curl https://nixos.org/nix/install | sh
nix_tar=$nix_basename.tar.bz2
if ! echo $nix_sha256 $nix_tar | sha256sum -c; then
curl -O -C - $nix_url || :
if ! echo $nix_sha256 $nix_tar | sha256sum -c; then
curl -O $nix_url || :
if ! echo $nix_sha256 $nix_tar | sha256sum -c; then
echo $0: cannot download $nix_url >&2
exit 5
fi
fi
fi
if ! test -d $nix_basename; then
tar jxf $nix_basename.tar.bz2
fi
nix_find=$nix_basename.find.txt
if ! echo $nix_find_sha1sum $nix_find | sha1sum -c; then
find $nix_basename | sort > $nix_find
if ! echo $nix_find_sha1sum $nix_find | sha1sum -c; then
echo $0: cannot unpack $nix_basename.tar.bz2 >&2
# TODO we could retry
exit 6
fi
fi
mkdir -p bin
PATH=$HOME/bin:$PATH
export PATH
# generate fake sudo because
# sudo: sorry, you must have a tty to run sudo
{
echo "#! /bin/sh"
echo "exec env \"\$@\""
} > bin/sudo
chmod +x bin/sudo
./$nix_basename/install
. /root/.nix-profile/etc/profile.d/nix.sh
nixpkgs_expr="import <nixpkgs> { system = builtins.currentSystem; }"
nixpkgs_path=$(
find /nix/store -mindepth 1 -maxdepth 1 -name *-nixpkgs-* -type d
)
for i in nixos-generate-config nixos-install; do
nix-env \
--arg config "{ nix.package = ($nixpkgs_expr).nix; }" \
--arg pkgs "$nixpkgs_expr" \
--arg modulesPath "throw \"no modulesPath\"" \
-f $nixpkgs_path/nixpkgs/nixos/modules/installer/tools/tools.nix \
-iA config.system.build.$i
done
# TODO following fail when aborted in-between
if ! test -d /int; then
mkdir -p /int
mount --bind /int /mnt
fi
if ! test -d /mnt/boot; then
mkdir -p /mnt/boot
mount /dev/sda1 /mnt/boot
fi
mkdir -p /mnt/etc/nixos
rsync -zvrlptD --delete-excluded /etc/nixos/ /mnt/etc/nixos/
mkdir -m 0444 -p /mnt/var/empty
ln -s $main /mnt/etc/nixos/configuration.nix
nixos-install \
-I secrets=/etc/nixos/secrets
rsync -va --force /int/ /
# find / -type f -mtime +1 -exec rm -v {} \; 2>&1 > rm.log
# ^ too aggressive, kills journal which is bad
# shutdown -r now
# nix-channel --add https://nixos.org/channels/nixos-unstable nixos
# nix-channel --remove nixpkgs
# nix-channel --update
)' \
| sshpass -e ssh \
-o StrictHostKeyChecking=no \
-o UserKnownHostsFile=/dev/null \
"root@$address" \
-T /usr/bin/env \
nix_url="$nix_url" \
nix_basename="$(basename $nix_url .tar.bz2)" \
nix_sha256="$nix_sha256" \
nix_find_sha1sum="$nix_find_sha1sum" \
main="$main" \
/bin/sh
}
main "$@"
|
