iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/GRUB_PC/11-iank

   1 #!/bin/bash -x
   2
   3 set -eE -o pipefail
   4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
   5
   6 if [[ $EUID != 0 ]]; then
   7   echo "$0: error: expected to be root."
   8   exit 1
   9 fi
  10
  11 if ! type -t fcopy &>/dev/null; then
  12   sudo apt-get -y install fai-client
  13 fi
  14
  15 if [[ -e /a/bin/fai/fai-wrapper ]]; then
  16   chroot() {
  17     shift
  18     "$@"
  19   }
  20 fi
  21
  22
  23
  24 # -r = recursive
  25 # -i = ignore non-matching class warnings, always exit 0
  26 # -B = no backup files
  27 fcopy -riB /boot
  28 # this is also done by FABASE/10-misc by default (without B)
  29 fcopy -riB /root
  30 fcopy -riB /usr/local/bin
  31
  32
  33 src=$FAI/distro-install-common/shadow
  34 dst=/q/root/shadow
  35 if [[ ! -e $dst && -e $src ]]; then
  36   # outside of fai context, we skip this
  37   mkdir -p $dst
  38   mount -o bind $src $dst
  39 fi
  40
  41 $FAI/distro-install-common/end
  42
  43
  44
  45 ### begin sources install + updates
  46 # these get copied in an earlier stage by fai, but leaving it here since
  47 # I run this as a single post-fai script to update things that have changed.
  48 tmpfile1=$(mktemp)
  49 # this can fail if we need an apt update
  50 chroot $FAI_ROOT /usr/bin/apt-cache policy >$tmpfile1 ||:
  51 fcopy -riBM /etc/apt
  52 tmpfile2=$(mktemp)
  53 chroot $FAI_ROOT /usr/bin/apt-cache policy >$tmpfile2
  54 if ! diff -q $tmpfile1 $tmpfile2; then
  55   chroot $FAI_ROOT /usr/bin/apt update
  56 fi
  57 # outside of fai, this seems to regularly lead to
  58 # E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
  59 # so add a sleep. 1 sec is probably way more than needed.
  60 sleep 1
  61 f=$FAI_ROOT/var/cache/apt/pkgcache.bin
  62 if [[ ! -r $f ]] || (( $(( $(date +%s) - $(stat -c %Y $f ) )) > 60*60*2 )); then
  63   i=0
  64   while fuser $FAI_ROOT/var/lib/dpkg/lock &>/dev/null; do
  65     sleep 1
  66     i=$(( i+1 ))
  67     if (( i > 300 )); then
  68       echo "error: timed out waiting for /var/lib/dpkg/lock" >&2
  69       exit 1
  70     fi
  71     $ROOTCMD apt-get update
  72   done
  73 fi
  74 ### end sources install + updates
  75
  76
  77 #### misc configurations
  78 chroot $FAI_ROOT bash <<'EOFOUTER'
  79 if getent group systemd-journal >/dev/null; then
  80   # makes the journal be saved to disk.
  81   mkdir -p /var/log/journal
  82   chmod 755 /var/log/journal
  83 fi
  84 debconf-set-selections <<EOF
  85 kexec-tools kexec-tools/load_kexec boolean false
  86 EOF
  87 apt-get install -y pxe-kexec
  88
  89 # this is usefull. Only thing reason I see this being disabled by default is
  90 # that a normal user can disrupt the system, eg cause a reboot.
  91 sed -i '$a kernel.sysrq=1
  92 /^kernel.sysrq=/d' /etc/sysctl.conf
  93
  94 EOFOUTER
  95
  96
  97 if [[ $FAI_ACTION != dirinstall ]] && ! ifclass NOCRYPT; then
  98   # luks options, see man systemd-cryptsetup-generator
  99   # all i know is that with luks.crypttab=no, swap still timed out on boot.
 100   # and with rd.luks.crypttab=no, it works.
 101   if ifclass LINODE; then
 102     speed=19200
 103     cmdline="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8"
 104   else
 105     speed=115200
 106     cmdline="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8 console=tty0"
 107     case $HOSTNAME in
 108       kd)
 109         fcopy -v /usr/bin/myncq
 110
 111         cat >$target/etc/systemd/system/myncq.service <<'EOF'
 112 [Unit]
 113 Description=fix ncq errors
 114
 115 [Service]
 116 Type=oneshot
 117 ExecStart=/usr/bin/myncq
 118 TimeoutStartSec=20
 119
 120 [Install]
 121 # https://www.enricozini.org/blog/2017/debian/systemd-07-devices/
 122 WantedBy=dev-disk-by\x2did-ata\x2dSamsung_SSD_870_QVO_8TB_S5VUNG0N900656V.device
 123 EOF
 124
 125         chroot $FAI_ROOT bash <<'EOFOUTER'
 126 systemctl enable myncq.service
 127 /usr/bin/myncq no-upgrub
 128 EOFOUTER
 129
 130         ;;
 131       # per rubens suggestion to make a d16 more stable
 132       kd|kw) cmdline+=" pci=realloc=off" ;;
 133     esac
 134   fi
 135
 136   cat >$FAI_ROOT/etc/grub.d/40_custom <<EOF
 137 #!/bin/sh
 138 exec tail -n +3 \$0
 139 # This file provides an easy way to add custom menu entries.  Simply type the
 140 # menu entries you want to add after this comment.  Be careful not to change
 141 # the 'exec tail' line above.
 142
 143 # https://www.coreboot.org/Serial_console # tty
 144 # but removed unneeded stuff
 145
 146 serial --speed=$speed
 147 terminal_input --append  serial
 148 terminal_output --append serial
 149 EOF
 150
 151
 152   chroot $FAI_ROOT bash <<EOF
 153 set -eE -o pipefail
 154 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
 155
 156 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")quiet/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) quiet([ "])/\1\2/' /etc/default/grub
 157 sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")splash/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) splash([ "])/\1\2/' /etc/default/grub
 158
 159 for arg in $cmdline; do
 160   if ! grep "^GRUB_CMDLINE_LINUX_DEFAULT=.*[\" ]${arg//./\\.}[\" ]" /etc/default/grub; then
 161     sed -ri "s/^GRUB_CMDLINE_LINUX_DEFAULT=\"(.*)/GRUB_CMDLINE_LINUX_DEFAULT=\"$arg \1/" /etc/default/grub
 162   fi
 163 done
 164
 165 if grep -qF "$cmdline" /etc/default/grub; then
 166   # already set things, exit
 167   exit 0
 168 fi
 169 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
 170 # on xenial, no grub is displayed at all. fix that.
 171 # found just by noticing this in the config file, and a
 172 # warning about it in error.log
 173 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
 174
 175 if type -P update-grub2 &>/dev/null; then
 176   update-grub2
 177 else
 178   update-grub
 179 fi
 180
 181 EOF
 182 fi ##### end != dirinstall && != NOCRYPT
 183
 184
 185 ###### begin network setup ####
 186
 187 # use old names. the idea of them changing between boots has never
 188 # happened to me and I usually only have 1 wired or other type.
 189 # If I ever do need to care about it, I will.
 190 # Strangely this didn't work on kw, so I added kernel cmdline parameter.
 191 # https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
 192 ln -sf /dev/null $target/etc/systemd/network/99-default.link
 193
 194
 195 # bitfolk installer handles the rest
 196 case $HOSTNAME in
 197   bk|je) exit 0 ;;
 198 esac
 199
 200
 201 # bug fix, somewhere between t9's xorg 1.19.6
 202 # and 1.20.1-3ubuntu2
 203 #  xserver-xorg-video-nouveau                 1:1.0.15-3
 204 # xorg stopped load nouveau
 205 #  https://www.linuxquestions.org/questions/slackware-14/kernel-modules-conflicting-with-nouveau-driver-4175623867/
 206 # https://nouveau.freedesktop.org/InstallNouveau.html
 207 if lspci|grep -q 'GeForce GTX 6[0-9][0-9]\]'; then
 208   mkdir -p $target/etc/X11/xorg.conf.d/
 209   cat >$target/etc/X11/xorg.conf.d/10-nouveau.conf <<'EOF'
 210 Section "Device"
 211 Identifier "Device0"
 212 Driver "nouveau"
 213 EndSection
 214 EOF
 215 fi
 216
 217 # use networkmanager if this host has wireless.
 218 if type -p iw &>/dev/null && [[ $(iw dev) ]]; then
 219   chroot $FAI_ROOT bash <<EOF
 220 apt-get -y install network-manager
 221 EOF
 222
 223   # allow networkmanager to manage interfaces
 224   #https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1638842
 225   touch $target/etc/NetworkManager/conf.d/10-globally-managed-devices.conf
 226   # in a default desktop install, it looks like netplan creates this file under
 227   # run/NetworkManager/conf.d in early boot.
 228
 229   # By default, dns=default is set in etiona, and dns is just broken.
 230   # Maybe with resolvconf it would work, but theres no need for that.
 231   # https://wiki.gnome.org/Projects/NetworkManager/DNS
 232   cat >$target/etc/NetworkManager/conf.d/99-iank.conf <<'EOF'
 233 [main]
 234 dns=systemd-resolved
 235 EOF
 236   if [[ $HOSTNAME == frodo ]]; then
 237     cat > $target/etc/network/interfaces <<-EOF
 238 # generated by FAI
 239 auto lo eth0
 240 iface lo inet loopback
 241 iface eth0 inet static
 242 address 10.3.0.2/16
 243
 244 source-directory /etc/network/interfaces.d
 245 EOF
 246   fi
 247
 248 else
 249   cat > $target/etc/network/interfaces <<-EOF
 250 # generated by FAI
 251 auto lo eth0
 252 iface lo inet loopback
 253 iface eth0 inet dhcp
 254 iface eth0 inet6 auto
 255
 256 source-directory /etc/network/interfaces.d
 257 EOF
 258
 259   # previously had an else condition after
 260   #elif ifclass VM || ifclass LINODE; then
 261   # iface $NIC1 inet manual
 262   # iface br0 inet dhcp
 263   #   bridge_ports $NIC1
 264   #   bridge_stp off
 265   #   bridge_maxwait 0
 266   # however, on t9, on startup, br0, became
 267   # rename1 and didn't come up. i dunno why,
 268   # but the bridge is for vms that I rarely use,
 269   # so not bothering to figure it out.
 270
 271
 272 fi
 273
 274 if ifclass LINODE; then
 275   mkdir -p $target/etc/initramfs-tools/conf.d
 276   cat >$target/etc/initramfs-tools/conf.d/mine <<EOF
 277 # dhcp in initramfs doesn't work on linode. i dunno why, whatever.
 278 # man 5 initramfs.conf
 279 # /usr/share/doc/klibc-utils/README.ipconfig.gz
 280 # /usr/share/initramfs-tools/scripts/functions
 281 IP=$linode_ip::$linode_gw:255.255.255.0::eth0:off
 282 EOF
 283
 284
 285   if [[ $HOSTNAME == li ]]; then
 286
 287     cat > $target/etc/network/interfaces <<-EOF
 288 # generated by FAI
 289 auto lo eth0
 290 iface lo inet loopback
 291 iface eth0 inet dhcp
 292 # for the standard network config, uncomment this and comment the lines after it.
 293 #iface eth0 inet6 auto
 294
 295 iface eth0 inet6 static
 296 # this is really a /128. it seems like we need to assign it for ipv6 to work.
 297 address 2600:3c00::f03c:91ff:fe6d:baf8/64
 298 gateway fe80::1
 299
 300 iface eth0 inet6 static
 301 # from a requested /64 pool
 302 address 2600:3c00:e000:280::2/64
 303
 304 source-directory /etc/network/interfaces.d
 305 EOF
 306   fi
 307 fi
 308
 309 # I prefer to stick with ifup/down for now. a. networkd is not in its
 310 # own package, so cant use in other init systems. b. it works fine.
 311 chroot $FAI_ROOT bash <<EOF
 312 systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
 313 systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
 314 EOF
 315
 316 ##### end network setup  #####
 317
 318
 319 if ifclass VOL_BULLSEYE_BOOTSTRAP; then
 320   fcopy /etc/systemd/system/faicheck.service
 321   chroot $FAI_ROOT bash <<'EOFOUTER'
 322 systemctl enable faicheck.service
 323 EOFOUTER
 324   exit 0 # avoid unnecessary stuff in bootstrap vol
 325 fi
 326
 327
 328 ## misc settings
 329 chroot $FAI_ROOT bash <<'EOFOUTER'
 330 #### begin .ssh setup ###
 331 set -x
 332 set -eE -o pipefail
 333 if ! [[ -s /home/iank/.ssh/authorized_keys ]]; then
 334   mkdir -p /home/iank/.ssh
 335   f=/root/.ssh/authorized_keys
 336   if [[ -e $f ]]; then
 337      cp $f /home/iank/.ssh
 338   fi
 339   chown -R 1000:1000 /home/iank/.ssh
 340   chmod -R u=Xrw,og= /home/iank/.ssh
 341   rm -rf /root/.ssh
 342   # remove broken symlinks or the following cp will fail
 343   find /home/iank/.ssh -xtype l -exec rm '{}' \;
 344   cp -rL /home/iank/.ssh /root
 345   chown -R root:root /root/.ssh
 346   chmod 700 /root/.ssh
 347 fi
 348
 349 # old link from
 350 # # https://ticktockhouse.svbtle.com/my-obligatory-ubuntu-ssh-agent-post
 351 # but that made a service that started too soon and didn't pick up our
 352 # x env vars. instead, copy from the root ssh-agent just the
 353 # appropriate things into a new service.
 354 rm -f /home/iank/.config/systemd/user/default.target.wants/ssh-agent.service
 355
 356 mkdir -p /home/iank/.local/share/systemd/user
 357 cat >/home/iank/.local/share/systemd/user/sshaiank.service <<'EOF'
 358 [Unit]
 359 Description=OpenSSH User Agent
 360 Documentation=man:ssh-agent(1)
 361 [Service]
 362 ExecStart=/usr/lib/openssh/agent-launch start
 363 ExecStopPost=/usr/lib/openssh/agent-launch stop
 364 [Install]
 365 WantedBy=default.target
 366 EOF
 367 # enable it
 368 # systemctl --user is not available at fai time, so create the link ourselves
 369 dir=/home/iank/.config/systemd/user/default.target.wants
 370 mkdir -p $dir
 371 ln -sf /home/iank/.local/share/systemd/user/sshaiank.service $dir
 372
 373 #### end .ssh setup ###
 374
 375 ## duplicated in ssh-emacs-setup
 376 # done here so its setup earlier for convenience
 377 line='AcceptEnv INSIDE_EMACS BRC COLUMNS'
 378 f=/etc/ssh/sshd_config
 379 grep -xFq "$line" $f || tee -a $f <<<"$line"
 380
 381
 382 # default debian groups (jessie through buster) + adm, root, admin
 383 for g in cdrom floppy audio dip video plugdev netdev adm sudo admin; do
 384   if getent group $g >/dev/null; then
 385     usermod -aG $g iank
 386   fi
 387 done
 388
 389 if getent group systemd-journal >/dev/null; then
 390   usermod -aG systemd-journal iank
 391 fi
 392 EOFOUTER
 393
 394 rm -f $target/etc/resolv.conf
 395 ln -s ../run/systemd/resolve/stub-resolv.conf $target/etc/resolv.conf
 396 # needed for bitfolk image
 397 if [[ -e /a/bin/fai/fai-wrapper ]]; then
 398   systemctl enable systemd-resolved
 399   systemctl start systemd-resolved
 400 fi
 401
 402
 403
 404 # reading through the groups that iank is in but user2 isn't,
 405 for g in plugdev audio video cdrom; do
 406   $ROOTCMD usermod -a -G $g user2
 407 done