blob: 140a317b143da816d5a242a2fa854ba062629134 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
#! /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 $config | jq -r .rootpass)
export SSHPASS
export RSYNC_RSH
main="$hostname.nix"
target="root@$address"
./networking-configuration $cac_servername $hostname \
> modules/$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
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/
ln -s $main /mnt/etc/nixos/configuration.nix
nixos-install
rsync -va --force /int/ /
# find / -type f -mtime +1 -exec rm -v {} \; 2>&1 > rm.log
# ^ too aggressive, kills journal which is bad
# shutdown -r now
# nix-channel --add https://nixos.org/channels/nixos-unstable nixos
# nix-channel --remove nixpkgs
# nix-channel --update
)' \
| sshpass -e ssh \
-o StrictHostKeyChecking=no \
-o UserKnownHostsFile=/dev/null \
"root@$address" \
-T /usr/bin/env \
nix_url="$nix_url" \
nix_basename="$(basename $nix_url .tar.bz2)" \
nix_sha256="$nix_sha256" \
nix_find_sha1sum="$nix_find_sha1sum" \
main="$main" \
/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 $binaryPrefix | tr -d 0 | wc -c
}
main "$@"
|
