iankelling.org Git - distro-setup/blob - distro-begin

   1 #!/bin/bash -l
   2 # Copyright (C) 2016 Ian Kelling
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 # for setting up a new machine
  17 # usage: $0 [-r] [HOSTNAME]
  18 # HOSTNAME changes the machine's hostname
  19
  20 # tips:
  21 # run any sudo command first so your pass is cached
  22 # set the scrollback to unlimited in case something goes wrong
  23
  24
  25 ####### begin setup environment #######
  26
  27
  28 ### make ssh interactive shell run better. for when running line interactively line by line
  29 sudo bash -c 'source /a/c/.bashrc && source /a/exe/ssh-emacs-setup'
  30
  31
  32 ##### setup error handling
  33 interactive=true  # set this to false to force set -x
  34 [[ $- == *i* ]] || interactive=false
  35 if ! $interactive; then
  36   set -x
  37 fi
  38 source /a/bin/errhandle/err
  39
  40 _errcatch_cleanup() {
  41   echo 1 >~/.local/distro-begin
  42 }
  43
  44 source /a/bin/distro-functions/src/package-manager-abstractions
  45
  46 ### setup logging
  47 exec &> >(sudo tee -a /var/log/distro-begin)
  48 echo "$0: $(date): starting now)"
  49
  50
  51 ### sanity checking
  52 if [[ $EUID == 0 ]]; then
  53   if getent passwd iank || getent passwd ian ; then
  54     echo "$0: error: running as root. unprivileged user exists. use it."
  55     exit 1
  56   else
  57     echo "$0: warning: running as root. I will setup users then exit"
  58   fi
  59 fi
  60
  61
  62 ### arg parsing
  63 recompile=false
  64 emacs=true
  65 while [[ $1 == -* ]]; do
  66   case $1 in
  67     -r) recompile=true; shift ;;
  68     -e) emacs=false; shift ;;
  69   esac
  70 done
  71 if [[ $1 ]]; then
  72   export HOSTNAME=$1
  73 fi
  74
  75
  76 ##### variables/env setup
  77 script_dir="$(readlink -f "${BASH_SOURCE[@]}")"; script_dir=${script_dir%/*}
  78 # shellcheck source=./pkgs
  79 source $script_dir/pkgs
  80 set +x
  81 source /a/bin/distro-functions/src/identify-distros
  82 $interactive || set -x
  83 for f in kd x2 x3 frodo tp li lj demohost kw; do
  84   eval "$f() { [[ $HOSTNAME == $f ]]; }"
  85 done
  86 codename=$(debian-codename)
  87 has_wayland() { has_monitor && [[ $codename == buster ]]; }
  88 has_x() { has_monitor && [[ $codename != buster ]]; }
  89 has_monitor() { ! linode ; }
  90 linode() { lj || li; }
  91 # linode actually has btrfs now, but we dont do anything with it.
  92 has_btrfs() { ! linode; }
  93 home_network() { ! linode && ! kw; }
  94 has_p() { ! linode; }
  95 encrypted() { true; }
  96 shopt -s extglob
  97 export GLOBIGNORE="*/.:*/.."
  98 umask 022
  99 PATH="/a/exe:$PATH"
 100 sed="sed --follow-symlinks"
 101
 102 ####### end setup environment #######
 103
 104
 105
 106
 107 ##### begin setup encryption scripts ######
 108 if encrypted; then
 109   # I tried making a service which was dependent on reboot.target,
 110   # but it happened too late in the shutdown process.
 111   sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
 112 [Unit]
 113 Description=Turn on automatic decryption of drives on boot
 114 # This is triggered by reboot and when keyscriptoff stops.
 115
 116 # tried using graphical.target, but it made my display manager restart before rebooting.
 117 # generally, I don't think targets order shutdown like they do startup.
 118 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
 119 # service that happens late in the game.
 120 After=ntp.service
 121 DefaultDependencies=no
 122 # not sure if needed, makes sure we shut down before reboot.target
 123 Conflicts=reboot.target
 124
 125 [Service]
 126 Type=oneshot
 127 RemainAfterExit=yes
 128 ExecStart=/bin/true
 129 ExecStop=/a/exe/keyscript-on
 130
 131 [Install]
 132 WantedBy=keyscriptoff.service
 133 EOF
 134   sudo systemctl daemon-reload # needed if the file was already there
 135   sudo systemctl enable keyscripton.service
 136
 137   sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 138 [Unit]
 139 Description=Turn off automatic decryption of drives on boot
 140
 141 [Service]
 142 Type=oneshot
 143 ExecStart=/a/exe/keyscript-off
 144
 145 [Install]
 146 WantedBy=multi-user.target
 147 EOF
 148   sudo systemctl daemon-reload # needed if the file was already there
 149   sudo systemctl enable keyscriptoff.service
 150   sudo systemctl start keyscriptoff.service
 151
 152   pi rsync
 153
 154   # from /usr/share/doc/dropbear-initramfs/README.initramfs.gz
 155   tmp=$(mktemp)
 156   while read -r m _; do /sbin/modinfo -F filename "$m"; done </proc/modules | \
 157     sed -nr "s@^/lib/modules/$(uname -r)/kernel/drivers/net(/.*)?/([^/]+)\.ko\$@\2@p" \
 158     | sudo dd of=$tmp
 159   if ! diff -q /etc/initramfs-tools/modules $tmp &>/dev/null; then
 160     sudo dd if=$tmp of=/etc/initramfs-tools/modules
 161     sudo /usr/sbin/update-initramfs -u -k all
 162   fi
 163   # initram auth keys get setup with rootsshsync
 164   $script_dir/rootsshsync
 165   # then for remote unlock, ssh and do this once per crypt disk:
 166   # echo -n PASS >/lib/cryptsetup/passfifo
 167   # or for buster+
 168   # cryptroot-unlock
 169
 170 fi
 171 ##### end setup encryption scripts ######
 172
 173
 174 # disabled until its fixed up
 175 # install-myqueue
 176
 177 # todo, it would be nice to cut down on some of the output
 178
 179
 180 #### rerun my fai-time scripts
 181 # already ran for pxe installs, but used for vps & updates
 182 distro=$(distro-name)
 183 case $distro in
 184   ubuntu|debian|trisquel)
 185     sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-iank"
 186     ;;
 187   *)
 188     sudo bash -c ". /a/bin/fai/fai-wrapper &&
 189 /a/bin/fai/fai/config/distro-install-common/end"
 190     ;;
 191 esac
 192
 193 ###### setup hostname
 194 if [[ $HOSTNAME != $(cat /etc/hostname) ]]; then
 195   echo $HOSTNAME > /etc/hostname
 196   hostname -F /etc/hostname
 197 fi
 198 sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
 199 echo "127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME" | sudo tee -a /etc/hosts
 200
 201
 202 ##### exit first stage if running as root
 203 if [[ $EUID == 0 ]]; then
 204   echo "$0: running as root. exiting now that users are setup"
 205   exit 0
 206 fi
 207
 208
 209 #### setup bash for root
 210 for x in /a/c/{.bashrc,brc,brc2,.bash_profile,.profile,.inputrc,path_add_function}; do
 211   sudo -i <<EOF
 212 PATH="/a/exe:$PATH"
 213 lnf $x /root
 214 EOF
 215 done
 216
 217 ###### do conflink
 218 # li needs the bind group before conflink
 219 if [[ $HOSTNAME == li ]]; then
 220   getent group bind &>/dev/null || sudo groupadd -r bind
 221 fi
 222 # this needs to be before installing pacserve so we have gpg conf.
 223 conflink
 224
 225 ###### bash environment setup
 226 set +x
 227 err-allow
 228 source /etc/profile.d/environment.sh
 229 # shellcheck source=./.bashrc
 230 source ~/.bashrc
 231 err-catch
 232 $interactive || set -x
 233
 234
 235 #### setup passwordless sudo
 236
 237 # always_set_home
 238 # makes ubuntu be like debian
 239 # https://unix.stackexchange.com/a/91572
 240
 241 # umask: default setting is to have  minimum umask of 0022
 242 # This lets us have user-specific umasks which are more permissive.
 243 # I did this for transmission and set it's umask gecos on install,
 244 # see there for more info.
 245
 246 tu /etc/sudoers <<EOF
 247 $USER  ALL=(ALL)  NOPASSWD: ALL
 248 Defaults  env_keep += SUDOD
 249 Defaults always_set_home
 250 Defaults !umask
 251 EOF
 252
 253
 254 #### setup firefox backport
 255 ## ian: disabled. backports are not being published atm due to rust packaging issue
 256 # if isdeb; then
 257 #     codename=$(debian-codename)
 258 #         if isdebian-stable && has_x; then
 259 #             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 260 #     deb http://mozilla.debian.net/ $codename-backports firefox-release
 261 #     deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 262 # EOF
 263 #             p update
 264 #             # take care of mozilla signing errors in previous command
 265 #             pi pkg-mozilla-archive-keyring
 266 #         fi
 267 #     p update
 268 # fi
 269
 270
 271 ######  arch aur wrapper setup
 272 if isarch; then
 273   #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 274   sudo pacman -S --noconfirm --needed base-devel jq
 275   # pacaur seems to be the best, although it + cower has a few minor bugs,
 276   # its design goals seem good, so, going for it.
 277
 278   aurpi() {
 279     for p in "$@"; do
 280       tempdir=$(mktemp -d)
 281       pushd $tempdir
 282       aurex "$p"
 283       makepkg -sri --skippgpcheck --noconfirm
 284       popd
 285       rm -rf $tempdir
 286     done
 287   }
 288   aurpi cower pacaur
 289
 290   pi pacserve
 291
 292   x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 293   sudo dd of=/etc/pacman.conf if=$x; rm $x
 294   sudo systemctl enable pacserve.service
 295   sudo systemctl start pacserve.service
 296
 297 fi
 298
 299 #### update all packages
 300 pup
 301
 302
 303 ###### p1 packages install ######
 304 pi ${p1[@]}
 305
 306
 307 ######## fix evbug bug ######
 308 case $distro in
 309   trisquel|ubuntu)
 310     # noticed in flidas.
 311     #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
 312     #https://wiki.debian.org/KernelModuleBlacklisting
 313     #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
 314     #but that file won't work and will get automatically reverted
 315     sudo rmmod evbug ||: # might not be loaded yet
 316     file=/etc/modprobe.d/evbug.conf
 317     line="blacklist evbug"
 318     if ! grep -xFq "$line" $file; then
 319       sudo dd of=$file 2>/dev/null <<<"$line"
 320       sudo depmod -a
 321       sudo update-initramfs -u
 322     fi
 323     ;;
 324 esac
 325
 326
 327 ###### link files
 328 # convenient to just do all file linking in one place
 329 s /a/exe/lnf -T /a/bin /b
 330 s /a/exe/lnf -T /nocow/t /t
 331 if has_p; then
 332   lnf -T /p/News ~/News
 333 fi
 334 s /a/exe/lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 335   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 336 /a/bin/ds/install-my-scripts # needed for rootsshsync cronjob
 337 s /a/exe/lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 338
 339
 340
 341
 342
 343 #### arch specific early packages
 344 case $(distro-name) in
 345   arch)
 346     # pkgfile is like apt-cache
 347     pi pkgfile
 348     s pkgfile --update
 349     ;;
 350 esac
 351
 352 #### enable trim
 353 # enable trim for volume delete, other rare commands
 354 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 355 if encrypted; then
 356   # flidas or so, these units arent built-in
 357   if isdeb && ! systemctl list-unit-files | grep ^fstrim.timer &>/dev/null ; then
 358     sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 359   fi
 360   # does weekly trim
 361   sudo systemctl enable fstrim.timer
 362 fi
 363
 364 ##### make extra dirs
 365 dirs=(/mnt/{1,2,3,4,5,6,7,8,9} /nocow/t)
 366 s mkdir -p "${dirs[@]}"
 367 s chown $USER:$USER  "${dirs[@]}"
 368
 369 ###### setup /i
 370 if home_network; then
 371   tu /etc/fstab <<'EOF'
 372 /i/w  /w  none  bind,noauto  0 0
 373 /i/k  /k  none  bind,noauto  0 0
 374 EOF
 375   if ! mountpoint /kr; then
 376     s mkdir -p /kr
 377     s chown $USER:user2 /kr
 378   fi
 379   if [[ $HOSTNAME == frodo ]]; then
 380     tu /etc/fstab <<'EOF'
 381 /k  /kr  none  bind,noauto  0 0
 382 EOF
 383   else
 384     tu /etc/fstab <<'EOF'
 385 frodo:/k  /kr  nfs  noauto  0 0
 386 EOF
 387   fi
 388   s mkdir -p /q /i/{w,k}
 389   for dir in /{i,w,k}; do
 390     if mountpoint $dir; then continue; fi # already mounted
 391     s mkdir -p $dir
 392     s chown $USER:$USER $dir
 393   done
 394   # not needed for all hosts, but rather just keep it uniform
 395   s mkdir -p /mnt/iroot
 396   # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 397   # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 398   # based on 3 of those, it creates .device units for /dev/mapper/dev...
 399   # then waits endlessly for them on bootup, after the /dev/mapper disks
 400   # have already been created and exist. todo: create a simple repro
 401   # for this in a vm and report it upstream.
 402   pi nfs-common
 403   s dd of=/root/imount <<'EOF'
 404 #!/bin/bash
 405 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
 406 set -eE -o pipefail
 407 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 408 for dir in /i /mnt/iroot /k /kr /w; do
 409     if ! mountpoint $dir &>/dev/null && \
 410             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 411         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 412             mount $dir || echo "warning: failed to mount nfs on $dir"
 413         else
 414             mount $dir
 415         fi
 416     fi
 417 done
 418 EOF
 419   s chmod +x /root/imount
 420   s dd of=/etc/systemd/system/imount.service <<EOF
 421 [Unit]
 422 Description=Mount /i and related mountpoints
 423 Before=syncthing@$USER.service
 424
 425 [Service]
 426 Type=oneshot
 427 ExecStart=/root/imount
 428
 429 [Install]
 430 RequiredBy=syncthing@$USER.service
 431 # note /kr needs networking, this target is the simplest way to
 432 # time it when the network should be up, but not do something
 433 # dumb like delay startup until the network is up. It happens
 434 # at some time after network.target
 435 WantedBy=multi-user.target
 436 EOF
 437   sudo systemctl daemon-reload # needed if the file was already there
 438   sudo systemctl enable imount.service
 439   sudo systemctl start imount.service
 440 fi
 441 ###### end setup /i
 442
 443 ##### setup /nocow.
 444 # a nocow dir that is common to multiple distros installed on the same system
 445 dir=/nocow
 446 if has_btrfs; then
 447   if ! mountpoint $dir; then
 448     subvol=/mnt/root/nocow
 449     if [[ ! -e $subvol ]]; then
 450       s btrfs subvolume create $subvol
 451       s chown root:1000 $subvol
 452       s chattr +C $subvol
 453     fi
 454
 455     first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 456     tu /etc/fstab <<EOF
 457 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 458 EOF
 459     s mkdir -p $dir
 460     s chown $USER:$USER $dir
 461     s mount $dir
 462   fi
 463 else
 464   sudo mkdir -p $dir
 465 fi
 466
 467
 468 ##### setup email
 469 mail-setup
 470
 471 #### ubuntu nicety
 472 if isubuntu; then
 473   # disable crash report annoying dialogs.
 474   s dd of=/etc/default/apport <<<'enabled=0'
 475 fi
 476
 477
 478
 479 ##### install laptop hardware packages
 480 if tp || x2 || x3; then
 481   case $distro in
 482     debian)
 483       pi task-laptop
 484       ;;
 485     ubuntu|trisquel)
 486       # the exact packages that task-laptop would install, since ubuntu
 487       # doesn\'t have this virtual in practice package.
 488       pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 489       ;;
 490     # todo: other distros unknown
 491   esac
 492 fi
 493
 494 if has_x; then
 495   ###### install X
 496   pi i3
 497   if isarch; then
 498     # xorg-xmessage for displaying error messages.
 499     # optional dependency in arch, standard elsewhere.
 500     pi xorg-server xorg-xmessage xorg-xsetroot xorg-xinit
 501   fi
 502
 503   ##### install xinput
 504   case $(distro-name) in
 505     trisquel|ubuntu|debian)
 506       pi xinput
 507       ;;
 508     arch)
 509       pi xorg-xinput
 510       ;;
 511   esac
 512
 513   #### install redshift
 514   case $(distro-name) in
 515     trisquel|ubuntu|debian)
 516       # recommends gets us geoclue (for darkening automatically at night i assume),
 517       # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
 518       pi --no-install-recommends gtk-redshift
 519       ;;&
 520     arch)
 521       pi redshift
 522       ;;&
 523   esac
 524
 525   ##### setup X autostart
 526   if isarch; then
 527     # https://wiki.archlinux.org/index.php/Xinitrc
 528     for homedir in /home/*; do
 529       cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 530       # shellcheck disable=SC2016
 531       $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 532       tee -a $homedir/.xinitrc <<'EOF'
 533 /a/bin/desktop-20-autostart.sh
 534 xsetroot -cursor_name left_ptr
 535 exec xmonad
 536 EOF
 537     done
 538   else
 539     # todo, figure this out for arch if we ever try out gnome.
 540     # install for multiple display managers in case we use one
 541     dir=/etc/gdm3
 542     s mkdir -p $dir/PostLogin
 543     s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 544     s mkdir /etc/lightdm/lightdm.conf.d
 545     s dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 546 [SeatDefaults]
 547 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 548 EOF
 549   fi
 550
 551 fi
 552
 553 ### install and configure wayland
 554 if has_wayland; then
 555   pi sway xwayland
 556   # originally used xkbcomp, documented in input-setup.sh, this doesnt
 557   # work under wayland, but its still useful for creating the config,
 558   # then modifying the system files.
 559   s sed -i.orig '/key *<KPMU> *{/,/}/s/KP_Multiply/underscore/g' /usr/share/X11/xkb/symbols/keypad
 560 fi
 561
 562 ##### basic graphical packages
 563 if has_monitor; then
 564   pi konsole suckless-tools
 565 fi
 566
 567
 568 ##### install  emacs
 569 if $emacs; then
 570   if isarch; then
 571     # emacs git build was broken last time i checked,
 572     x=$(mktemp -d)
 573     pushd $x
 574     aurex emacs-git
 575     makepkg -si --noconfirm
 576     popd
 577     rm -rf $x
 578     pi hunspell hunspell-en
 579   else
 580     if $recompile; then
 581       /a/bin/buildscripts/emacs
 582     else
 583       /a/bin/buildscripts/emacs --no-r
 584     fi
 585   fi
 586   # the first pup command can kill off our /etc/ mod, so rerun this
 587   /a/exe/ssh-emacs-setup
 588 fi
 589
 590
 591 echo 0 >~/.local/distro-begin
 592 echo "$0: $(date): ending now"
 593 exit 0