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
  19 # tips:
  20 # run any sudo command first so your pass is cached
  21 # set the scrollback to unlimited in case something goes wrong
  22
  23
  24 ####### begin setup environment #######
  25
  26
  27 ### make ssh interactive shell run better. for when running line interactively line by line
  28 sudo bash -c 'source /a/c/.bashrc && source /a/exe/ssh-emacs-setup'
  29
  30
  31 ##### setup error handling
  32 interactive=true  # set this to false to force set -x
  33 [[ $- == *i* ]] || interactive=false
  34 if ! $interactive; then
  35   set -x
  36 fi
  37 source /a/bin/errhandle/err
  38
  39 ### setup logging
  40 exec &> >(sudo tee -a /var/log/distro-begin)
  41 echo "$0: $(date): starting now)"
  42
  43
  44 ### sanity checking
  45 if [[ $EUID == 0 ]]; then
  46   if getent passwd iank || getent passwd ian ; then
  47     echo "$0: error: running as root. unprivileged user exists. use it."
  48     exit 1
  49   else
  50     echo "$0: warning: running as root. I will setup users then exit"
  51   fi
  52 fi
  53
  54
  55 ### arg parsing
  56 recompile=false
  57 while [[ $1 == -* ]]; do
  58   case $1 in
  59     -r) recompile=true; shift ;;
  60   esac
  61 done
  62 if [[ $1 ]]; then
  63   export HOSTNAME=$1
  64 fi
  65
  66
  67 ##### variables/env setup
  68 script_dir="$(readlink -f "$BASH_SOURCE")"; script_dir=${script_dir%/*}
  69 source $script_dir/pkgs
  70 set +x
  71 source /a/bin/distro-functions/src/identify-distros
  72 $interactive || set -x
  73 for f in iank-dev htpc kd x2 x3 frodo tp li lj demohost kw fz; do
  74   eval "$f() { [[ $HOSTNAME == $f ]]; }"
  75 done
  76 codename=$(debian-codename)
  77 has_wayland() { [[ $codename == buster ]]; }
  78 has_x() { [[ $codename != buster ]]; }
  79 has_monitor() { ! linode ; }
  80 linode() { lj || li; }
  81 has_btrfs() { ! linode; }
  82 home_network() { ! linode; }
  83 encrypted() { has_p; }
  84 shopt -s extglob
  85 export GLOBIGNORE=*/.:*/..
  86 umask 022
  87 PATH="/a/exe:$PATH"
  88 sed="sed --follow-symlinks"
  89
  90 ####### end setup environment #######
  91
  92
  93
  94
  95 ##### begin setup encryption scripts ######
  96 if encrypted; then
  97   # I tried making a service which was dependent on reboot.target,
  98   # but it happened too late in the shutdown process.
  99   sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
 100 [Unit]
 101 Description=Turn on automatic decryption of drives on boot
 102 # tried using graphical.target, but it made my display manager restart before rebooting.
 103 # generally, I don't think targets order shutdown like they do startup.
 104 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
 105 # service that happens late in the game.
 106 After=ntp.service
 107 DefaultDependencies=no
 108 # not sure if needed, makes sure we shut down before reboot.target
 109 Conflicts=reboot.target
 110
 111 [Service]
 112 Type=oneshot
 113 RemainAfterExit=yes
 114 ExecStart=/bin/true
 115 ExecStop=/a/exe/keyscript-on
 116
 117 [Install]
 118 WantedBy=keyscriptoff.service
 119 EOF
 120   sudo systemctl daemon-reload # needed if the file was already there
 121   sudo systemctl stop keyscripton.service
 122   #    sudo systemctl start keyscripton.service
 123   sudo systemctl enable keyscripton.service
 124
 125   sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 126 [Unit]
 127 Description=Turn off automatic decryption of drives on boot
 128
 129 [Service]
 130 Type=oneshot
 131 ExecStart=/a/exe/keyscript-off
 132
 133 [Install]
 134 WantedBy=multi-user.target
 135 EOF
 136   sudo systemctl daemon-reload # needed if the file was already there
 137   sudo systemctl enable keyscriptoff.service
 138   sudo systemctl start keyscriptoff.service
 139
 140   # from /usr/share/doc/dropbear-initramfs/README.initramfs.gz
 141   while read m _; do /sbin/modinfo -F filename "$m"; done </proc/modules | \
 142     sed -nr "s@^/lib/modules/`uname -r`/kernel/drivers/net(/.*)?/([^/]+)\.ko\$@\2@p" \
 143     | sudo dd of=/etc/initramfs-tools/modules
 144   sudo apt-get -y install initramfs-tools-core
 145   # initram auth keys get setup with rootsshsync
 146   # then for remote unlock, ssh and do this once per crypt disk:
 147   # echo -n PASS >/lib/cryptsetup/passfifo
 148 fi
 149 ##### end setup encryption scripts ######
 150
 151
 152 # disabled until its fixed up
 153 # install-myqueue
 154
 155 # todo, it would be nice to cut down on some of the output
 156
 157 ##### fedora prereq/fundamental settings
 158 if isfedora; then
 159   # comment out line disallowing calling sudo in scripts
 160   sudo $sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
 161   # turn on magic sysrq commands
 162   echo 1 > sudo dd of=/proc/sys/kernel/sysrq
 163   echo "kernel.sysrq = 1" > /etc/sysctl.d/90-sysrq.conf
 164   # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
 165   # and you have no idea why.
 166   sudo $sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
 167   selinuxenabled && sudo setenforce 0
 168 fi
 169
 170
 171 #### rerun my fai-time scripts
 172 # already ran for pxe installs, but used for vps & updates
 173 distro=$(distro-name)
 174 case $distro in
 175   ubuntu|debian|trisquel)
 176     sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-iank"
 177     ;;
 178   *)
 179     sudo bash -c ". /a/bin/fai/fai-wrapper &&
 180 /a/bin/fai/fai/config/distro-install-common/end"
 181     ;;
 182 esac
 183
 184 ###### setup hostname
 185 sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
 186 echo "127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME" | sudo tee -a /etc/hosts
 187
 188
 189 ##### exit first stage if running as root
 190 if [[ $EUID == 0 ]]; then
 191   echo "$0: running as root. exiting now that users are setup"
 192   exit 0
 193 fi
 194
 195
 196 #### setup bash for root
 197 for x in /a/c/{.bashrc,brc,.bash_profile,.profile,.inputrc,path_add_function}; do
 198   sudo -i <<EOF
 199 PATH="/a/exe:$PATH"
 200 lnf $x /root
 201 EOF
 202 done
 203
 204 ###### do conflink
 205 # li needs the bind group before conflink
 206 if [[ $HOSTNAME == li ]]; then
 207   getent group bind &>/dev/null || sudo groupadd -r bind
 208 fi
 209 # this needs to be before installing pacserve so we have gpg conf.
 210 conflink
 211
 212 ###### bash environment setup
 213 set +x
 214 err-allow
 215 source /etc/profile.d/environment.sh
 216 source ~/.bashrc
 217 err-catch
 218 $interactive || set -x
 219
 220
 221 #### setup passwordless sudo
 222 tu /etc/sudoers <<EOF
 223 $USER  ALL=(ALL)  NOPASSWD: ALL
 224 Defaults  env_keep += SUDOD
 225 # makes ubuntu be like debian
 226 # https://unix.stackexchange.com/a/91572
 227 Defaults always_set_home
 228 # default setting is to have  minimum umask of 0022
 229 # This lets us have user-specific umasks which are more permissive.
 230 # I did this for transmission and set it's umask gecos on install,
 231 # see there for more info.
 232 Defaults !umask
 233 EOF
 234
 235
 236 #### setup firefox backport
 237 ## ian: disabled. backports are not being published atm due to rust packaging issue
 238 # if isdeb; then
 239 #     codename=$(debian-codename)
 240 #         if isdebian-stable && has_x; then
 241 #             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 242 #     deb http://mozilla.debian.net/ $codename-backports firefox-release
 243 #     deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 244 # EOF
 245 #             p update
 246 #             # take care of mozilla signing errors in previous command
 247 #             pi pkg-mozilla-archive-keyring
 248 #         fi
 249 #     p update
 250 # fi
 251
 252
 253 ######  arch aur wrapper setup
 254 if isarch; then
 255   #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 256   sudo pacman -S --noconfirm --needed base-devel jq
 257   # pacaur seems to be the best, although it + cower has a few minor bugs,
 258   # its design goals seem good, so, going for it.
 259
 260   aurpi() {
 261     for p in "$@"; do
 262       tempdir=$(mktemp -d)
 263       pushd $tempdir
 264       aurex "$p"
 265       makepkg -sri --skippgpcheck --noconfirm
 266       popd
 267       rm -rf $tempdir
 268     done
 269   }
 270   aurpi cower pacaur
 271
 272   pi pacserve
 273
 274   x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 275   sudo dd of=/etc/pacman.conf if=$x; rm $x
 276   sudo systemctl enable pacserve.service
 277   sudo systemctl start pacserve.service
 278
 279 fi
 280
 281 #### update all packages
 282 pup
 283
 284
 285 ###### p1 packages install ######
 286 if isarch; then
 287   # requirement for trash-cli.
 288   # background: strange error if just installing trash-cli: "pyalpm requires python",
 289   # so I see that it requires python2, and installing that manually fixes it.
 290   # I didn\'t see this on earlier installation, main thing which changed was
 291   # pacserve, so not sure if it\'s related.
 292   pi python2
 293 fi
 294 pi ${p1[@]}
 295
 296
 297 ######## fix evbug bug ######
 298 case $distro in
 299   trisquel|ubuntu)
 300     # noticed in flidas.
 301     #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
 302     #https://wiki.debian.org/KernelModuleBlacklisting
 303     #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
 304     #but that file won't work and will get automatically reverted
 305     sudo rmmod evbug ||: # might not be loaded yet
 306     file=/etc/modprobe.d/evbug.conf
 307     line="blacklist evbug"
 308     if ! grep -xFq "$line" $file; then
 309       sudo dd of=$file 2>/dev/null <<<"$line"
 310       sudo depmod -a
 311       sudo update-initramfs -u
 312     fi
 313     ;;
 314 esac
 315
 316
 317 ###### link files
 318 # convenient to just do all file linking in one place
 319 s lnf -T /a/bin /b
 320 s lnf -T /nocow/t /t
 321 if has_p; then
 322   lnf -T /p/News ~/News
 323 fi
 324 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 325   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 326 pi rsync # needed for rootsshsync
 327 /a/bin/ds/install-my-scripts # needed for rootsshsync
 328 rootsshsync
 329 s lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 330 if has_p; then
 331   # for dovecot
 332   lnf -T /i/k/mboxes ~/mail
 333 fi
 334
 335
 336
 337 ##### install xinput
 338 if has_x; then
 339   case $(distro-name) in
 340     trisquel|ubuntu|debian)
 341       pi xinput
 342       ;;
 343     fedora)
 344       pi xinput_calibrator
 345       ;;
 346     arch)
 347       pi xorg-xinput
 348       ;;
 349   esac
 350
 351   #### install redshift
 352   case $(distro-name) in
 353     trisquel|ubuntu|debian)
 354       # recommends gets us geoclue (for darkening automatically at night i assume),
 355       # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
 356       pi --no-install-recommends gtk-redshift
 357       ;;&
 358     fedora)
 359       pi redshift-gtk
 360       ;;&
 361     arch)
 362       pi redshift
 363       ;;&
 364   esac
 365 fi
 366
 367 if has_wayland; then
 368   pi sway xwayland
 369   # originally used xkbcomp, documented in input-setup.sh, this doesnt
 370   # work under wayland, but its still useful for creating the config,
 371   # then modifying the system files.
 372   s sed -i.orig '/key *<KPMU> *{/,/}/s/KP_Multiply/underscore/g' /usr/share/X11/xkb/symbols/keypad
 373 fi
 374
 375
 376
 377 #### arch specific early packages
 378 case $(distro-name) in
 379   arch)
 380     # pkgfile is like apt-cache
 381     pi pkgfile
 382     s pkgfile --update
 383     ;;
 384 esac
 385
 386 #### fedora specific packages
 387 case $(distro-name) in
 388   fedora)
 389     # todo, this could probably come later
 390     p -y groupinstall development-tools c-development books admin-tools
 391     pi man-pages
 392     ;;
 393   # other distros unknown
 394 esac
 395
 396 #### enable trim
 397 # enable trim for volume delete, other rare commands
 398 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 399 if encrypted; then
 400   # flidas or so, these units arent built-in
 401   if isdeb && ! systemctl list-unit-files | grep -xF fstrim.timer &>/dev/null ; then
 402     sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 403   fi
 404   # does weekly trim
 405   sudo systemctl enable fstrim.timer
 406 fi
 407
 408 ##### make extra dirs
 409 dirs=(/mnt/{1,2,3,4,5,6,7,8,9} /nocow/t)
 410 s mkdir -p "${dirs[@]}"
 411 s chown $USER:$USER  "${dirs[@]}"
 412
 413 ###### setup /i
 414 tu /etc/fstab <<'EOF'
 415 /i/w  /w  none  bind,noauto  0 0
 416 /i/k  /k  none  bind,noauto  0 0
 417 EOF
 418 if ! mountpoint /kr; then
 419   s mkdir -p /kr
 420   s chown $USER:user2 /kr
 421 fi
 422 if home_network; then
 423   if [[ $HOSTNAME == frodo ]]; then
 424     tu /etc/fstab <<'EOF'
 425 /k  /kr  none  bind,noauto  0 0
 426 EOF
 427   else
 428     tu /etc/fstab <<'EOF'
 429 frodo:/k  /kr  nfs  noauto  0 0
 430 EOF
 431   fi
 432 fi
 433 s mkdir -p /q /i/{w,k}
 434 for dir in /{i,w,k}; do
 435   if mountpoint $dir; then continue; fi # already mounted
 436   s mkdir -p $dir
 437   s chown $USER:$USER $dir
 438 done
 439 # not needed for all hosts, but rather just keep it uniform
 440 s mkdir -p /mnt/iroot
 441 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 442 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 443 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 444 # then waits endlessly for them on bootup, after the /dev/mapper disks
 445 # have already been created and exist. todo: create a simple repro
 446 # for this in a vm and report it upstream.
 447 if has_btrfs || home_network; then
 448   pi nfs-common
 449   s dd of=/root/imount <<'EOF'
 450 #!/bin/bash
 451 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 452 set -eE -o pipefail
 453 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 454 for dir in /i /mnt/iroot /k /kr /w; do
 455     if ! mountpoint $dir &>/dev/null && \
 456             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 457         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 458             mount $dir || echo "warning: failed to mount nfs on $dir"
 459         else
 460             mount $dir
 461         fi
 462     fi
 463 done
 464 EOF
 465   s chmod +x /root/imount
 466
 467   s dd of=/etc/systemd/system/imount.service <<EOF
 468 [Unit]
 469 Description=Mount /i and related mountpoints
 470 Before=syncthing@$USER.service
 471
 472 [Service]
 473 Type=oneshot
 474 ExecStart=/root/imount
 475
 476 [Install]
 477 RequiredBy=syncthing@$USER.service
 478 # note /kr needs networking, this target is the simplest way to
 479 # time it when the network should be up, but not do something
 480 # dumb like delay startup until the network is up. It happens
 481 # at some time after network.target
 482 WantedBy=multi-user.target
 483 EOF
 484   sudo systemctl daemon-reload # needed if the file was already there
 485   sudo systemctl enable imount.service
 486   sudo systemctl start imount.service
 487 fi
 488
 489 ##### setup /nocow.
 490 # a nocow dir that is common to multiple distros installed on the same system
 491 dir=/nocow
 492 if has_btrfs; then
 493   if ! mountpoint $dir; then
 494     subvol=/mnt/root/nocow
 495     if [[ ! -e $subvol ]]; then
 496       s btrfs subvolume create $subvol
 497       s chown root:1000 $subvol
 498       s chattr +C $subvol
 499     fi
 500
 501     first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 502     tu /etc/fstab <<EOF
 503 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 504 EOF
 505     s mkdir -p $dir
 506     s chown $USER:$USER $dir
 507     s mount $dir
 508   fi
 509 else
 510   sudo mkdir -p $dir
 511 fi
 512
 513
 514 ##### setup email
 515 mail-setup
 516
 517 #### ubuntu nicety
 518 if isubuntu; then
 519   # disable crash report annoying dialogs.
 520   s dd of=/etc/default/apport <<<'enabled=0'
 521 fi
 522
 523
 524 ##### install  emacs
 525 if isarch; then
 526   # emacs git build was broken last time i checked,
 527   x=$(mktemp -d)
 528   pushd $x
 529   aurex emacs-git
 530   makepkg -si --noconfirm
 531   popd
 532   rm -rf $x
 533   pi hunspell hunspell-en
 534 else
 535   if $recompile; then
 536     /a/bin/buildscripts/emacs
 537   else
 538     /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 539   fi
 540 fi
 541
 542 ##### install laptop hardware packages
 543 if tp || x2 || x3; then
 544   case $distro in
 545     debian)
 546       pi task-laptop
 547       ;;
 548     ubuntu|trisquel)
 549       # the exact packages that task-laptop would install, since ubuntu
 550       # doesn\'t have this virtual in practice package.
 551       pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 552       ;;
 553     # todo: other distros unknown
 554   esac
 555 fi
 556
 557
 558 ##### install x stuff
 559 if has_monitor; then
 560   pi ${p2[@]}
 561   if has_x; then
 562     pi i3
 563     if isarch; then
 564       # xorg-xmessage for displaying error messages.
 565       # optional dependency in arch, standard elsewhere.
 566       pi xorg-server xorg-xmessage xorg-xsetroot xorg-xinit
 567     fi
 568   fi
 569 fi
 570
 571
 572 ##### setup X autostart
 573 if has_x; then
 574   if isarch; then
 575     # https://wiki.archlinux.org/index.php/Xinitrc
 576     for homedir in /home/*; do
 577       cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 578       $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 579       tee -a $homedir/.xinitrc <<'EOF'
 580 /a/bin/desktop-20-autostart.sh
 581 xsetroot -cursor_name left_ptr
 582 exec xmonad
 583 EOF
 584     done
 585   else
 586     # todo, figure this out for arch if we ever try out gnome.
 587     # install for multiple display managers in case we use one
 588     if isdeb; then
 589       dir=/etc/gdm3
 590     elif isfedora; then
 591       # fedora didn\'t have the 3.
 592       dir=/etc/gdm
 593     fi
 594     s mkdir -p $dir/PostLogin
 595     s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 596     s mkdir /etc/lightdm/lightdm.conf.d
 597     s dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 598 [SeatDefaults]
 599 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 600 EOF
 601   fi
 602 fi
 603
 604
 605 #### refix interactive ssh terminal
 606 # the first pup command can kill off our /etc/ mod, so rerun this
 607 /a/exe/ssh-emacs-setup
 608
 609
 610 echo "$0: $(date): ending now"
 611 exit 0