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authortv <tv@shackspace.de>2015-03-19 22:49:33 +0100
committertv <tv@shackspace.de>2015-05-19 23:10:57 +0200
commitae80d9d648fa5e3375b4ee903c644c46c16860ba (patch)
treeebac02039f490c403626414b078356c9d3181898
parent61fc66a2d2047dce1012d7d31c35ce096963d43c (diff)
infest: initial commit
-rwxr-xr-xinfest205
1 files changed, 205 insertions, 0 deletions
diff --git a/infest b/infest
new file mode 100755
index 000000000..670c4d06c
--- /dev/null
+++ b/infest
@@ -0,0 +1,205 @@
+#! /bin/sh
+set -xeuf
+
+noexec=1 . ./run
+
+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() {
+ listservers=$(cac_listservers)
+
+ listserversstatus=$(echo $listservers | jq -r .status)
+ case $listserversstatus in
+ ok) : ;;
+ *)
+ echo $0: bad listservers status: $listserversstatus >&2
+ exit 1
+ esac
+
+ config=$(echo $listservers \
+ | jq -r ".data|map(select(.servername == \"$cac_servername\"))[]")
+
+ serverstatus=$(echo $config | jq -r .status)
+ case $serverstatus in
+ 'Powered On') : ;;
+ *)
+ echo $0: bad server status: $serverstatus >&2
+ exit 2
+ esac
+
+ template=$(echo $config | jq -r .template)
+ case $template in
+ 'CentOS-7-64bit') infest_centos7_64bit "$config";;
+ *)
+ echo $0: bad template: $template >&2
+ exit 3
+ esac
+}
+
+
+cac_listservers() {
+ if test -z "${cac_via-}"; then
+ curl -fsS \
+ "https://panel.cloudatcost.com/api/v1/listservers.php?key=$cac_key\&login=$cac_login"
+ else
+ ssh -q $cac_via -t curl -fsS \
+ "https://panel.cloudatcost.com/api/v1/listservers.php?key=$cac_key\\&login=$cac_login"
+ fi
+}
+
+
+infest_centos7_64bit() {
+ config=$1
+ address=$(echo $config | jq -r .ip)
+ gateway=$(echo $config | jq -r .gateway)
+ nameserver=8.8.8.8
+ netmask=$(echo $config | jq -r .netmask)
+ prefixLength=$(netmaskToPrefixLengh $netmask)
+ RSYNC_RSH='sshpass -e ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'
+ SSHPASS=$(echo $config | jq -r .rootpass)
+ export SSHPASS
+ export RSYNC_RSH
+
+ ./networking-configuration $cac_servername $hostname \
+ > modules/networking-$hostname.nix
+
+ rsync_filter "$main" \
+ | rsync -f '. -' -zvrlptD --delete-excluded ./ "$target":/etc/nixos/
+
+ #
+ #
+ #
+ echo '(
+ set -xeuf
+ type bzip2 || yum install -y bzip2
+ type rsync || yum install -y rsync
+ 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
+ wget -c $nix_url || :
+ if ! echo $nix_sha256 $nix_tar | sha256sum -c; then
+ wget $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/
+
+ nixos-install
+
+ 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="$nix_find_sha1sum" \
+ /bin/sh
+}
+
+netmaskToPrefixLengh() {
+ binaryNetmask=$(echo $1 | sed 's/^/obase=2;/;s/\./;/g' | bc | tr -d \\n)
+ binaryPrefix=$(echo $binaryNetmask | sed -n 's/^\(1*\)0*$/\1/p')
+ if ! echo $binaryPrefix | grep -q .; then
+ echo $0: bad netmask: $netmask >&2
+ exit 4
+ fi
+ printf %s $binaryPrefix | tr -d 0 | wc -c
+}
+
+
+main "$@"