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