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