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     set -e -o pipefail
  37 fi
  38 set -E
  39 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
  40 for x in /a/bin/errhandle/*-function; do
  41     source $x
  42 done
  43 set +e
  44 $interactive || errcatch
  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 # for copying to a new data fs
  65 bootstrapfs=false # old flag, needs new look before using.
  66 while [[ $1 == -* ]]; do
  67     case $1 in
  68         -r) recompile=true; 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")"
  78 source $script_dir/pkgs
  79 set +x
  80 source /a/bin/distro-functions/src/identify-distros
  81 $interactive || set -x
  82 for f in iank-dev htpc treetowl x2 frodo tp li lj demohost kw fz; do
  83     eval "$f() { [[ $HOSTNAME == $f ]]; }"
  84 done
  85 has_p() { ! linode; } # when tp is tracis, then not tp either
  86 has_x() { ! linode; }
  87 linode() { lj || li; }
  88 has_btrfs() { ! linode; }
  89 home_network() { ! linode; }
  90 encrypted() { has_p; }
  91 shopt -s extglob
  92 export GLOBIGNORE=*/.:*/..
  93 umask 022
  94 PATH="/a/exe:$PATH"
  95 sed="sed --follow-symlinks"
  96
  97 ####### end setup environment #######
  98
  99
 100
 101
 102 ##### begin setup encryption scripts ######
 103 if encrypted; then
 104     # I tried making a service which was dependent on reboot.target,
 105     # but it happened too late in the shutdown process.
 106     sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
 107 [Unit]
 108 Description=Turn on automatic decryption of drives on boot
 109 # tried using graphical.target, but it made my display manager restart before rebooting.
 110 # generally, I don't think targets order shutdown like they do startup.
 111 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
 112 # service that happens late in the game.
 113 After=ntp.service
 114 DefaultDependencies=no
 115 # not sure if needed, makes sure we shut down before reboot.target
 116 Conflicts=reboot.target
 117
 118 [Service]
 119 Type=oneshot
 120 RemainAfterExit=yes
 121 ExecStart=/bin/true
 122 ExecStop=/a/exe/keyscript-on
 123
 124 [Install]
 125 WantedBy=keyscriptoff.service
 126 EOF
 127     sudo systemctl daemon-reload # needed if the file was already there
 128     sudo systemctl stop keyscripton.service
 129     #    sudo systemctl start keyscripton.service
 130     sudo systemctl enable keyscripton.service
 131
 132     sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 133 [Unit]
 134 Description=Turn off automatic decryption of drives on boot
 135
 136 [Service]
 137 Type=oneshot
 138 ExecStart=/a/exe/keyscript-off
 139
 140 [Install]
 141 WantedBy=multi-user.target
 142 EOF
 143     sudo systemctl daemon-reload # needed if the file was already there
 144     sudo systemctl enable keyscriptoff.service
 145     sudo systemctl start keyscriptoff.service
 146 fi
 147 ##### end setup encryption scripts ######
 148
 149
 150 # disabled until its fixed up
 151 # install-myqueue
 152
 153 # todo, it would be nice to cut down on some of the output
 154
 155 ##### fedora prereq/fundamental settings
 156 if isfedora; then
 157     # comment out line disallowing calling sudo in scripts
 158     sudo $sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
 159     # turn on magic sysrq commands
 160     echo 1 > sudo dd of=/proc/sys/kernel/sysrq
 161     echo "kernel.sysrq = 1" > /etc/sysctl.d/90-sysrq.conf
 162     # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
 163     # and you have no idea why.
 164     sudo $sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
 165     selinuxenabled && sudo setenforce 0
 166 fi
 167
 168
 169 #### rerun my fai-time scripts
 170 # already ran for pxe installs, but used for vps & updates
 171 distro=$(distro-name)
 172 case $distro in
 173     ubuntu|debian|trisquel)
 174         sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-iank"
 175         ;;
 176     *)
 177         sudo bash -c ". /a/bin/fai/fai-wrapper &&
 178 /a/bin/fai/fai/config/distro-install-common/end"
 179         ;;
 180 esac
 181
 182 ###### setup hostname
 183 sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
 184 echo "127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME" | sudo tee -a /etc/hosts
 185
 186
 187 ##### exit first stage if running as root
 188 if [[ $EUID == 0 ]]; then
 189     echo "$0: running as root. exiting now that users are setup"
 190     exit 0
 191 fi
 192
 193
 194 #### setup bash for root
 195 for x in /a/c/{.bashrc,brc,.bash_profile,.profile,.inputrc,path_add_function}; do
 196     sudo -i <<EOF
 197 PATH="/a/exe:$PATH"
 198 lnf $x /root
 199 EOF
 200 done
 201
 202 ###### do conflink
 203 # li needs the bind group before conflink
 204 if [[ $HOSTNAME == li ]]; then
 205     getent group bind &>/dev/null || sudo groupadd -r bind
 206 fi
 207 # this needs to be before installing pacserve so we have gpg conf.
 208 conflink
 209
 210 ###### bash environment setup
 211 set +x
 212 errallow
 213 source /etc/profile.d/environment.sh
 214 source ~/.bashrc
 215 $interactive || errcatch
 216 $interactive || set -x
 217
 218
 219 #### setup passwordless sudo
 220 tu /etc/sudoers <<EOF
 221 $USER  ALL=(ALL)  NOPASSWD: ALL
 222 Defaults  env_keep += SUDOD
 223 # makes ubuntu be like debian
 224 # https://unix.stackexchange.com/a/91572
 225 Defaults always_set_home
 226 EOF
 227
 228
 229 #### setup firefox backport
 230 ## ian: disabled. backports are not being published atm due to rust packaging issue
 231 # if isdeb; then
 232 #     codename=$(debian-codename)
 233 #         if isdebian-stable && has_x; then
 234 #             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 235 #     deb http://mozilla.debian.net/ $codename-backports firefox-release
 236 #     deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 237 # EOF
 238 #             p update
 239 #             # take care of mozilla signing errors in previous command
 240 #             pi pkg-mozilla-archive-keyring
 241 #         fi
 242 #     p update
 243 # fi
 244
 245
 246 ######  arch aur wrapper setup
 247 if isarch; then
 248     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 249     sudo pacman -S --noconfirm --needed base-devel jq
 250     # pacaur seems to be the best, although it + cower has a few minor bugs,
 251     # its design goals seem good, so, going for it.
 252
 253     aurpi() {
 254         for p in "$@"; do
 255             tempdir=$(mktemp -d)
 256             pushd $tempdir
 257             aurex "$p"
 258             makepkg -sri --skippgpcheck --noconfirm
 259             popd
 260             rm -rf $tempdir
 261         done
 262     }
 263     aurpi cower pacaur
 264
 265     pi pacserve
 266
 267     x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 268     sudo dd of=/etc/pacman.conf if=$x; rm $x
 269     sudo systemctl enable pacserve.service
 270     sudo systemctl start pacserve.service
 271
 272 fi
 273
 274 #### update all packages
 275 pup
 276
 277
 278 ###### p1 packages install ######
 279 if isarch; then
 280     # requirement for trash-cli.
 281     # background: strange error if just installing trash-cli: "pyalpm requires python",
 282     # so I see that it requires python2, and installing that manually fixes it.
 283     # I didn\'t see this on earlier installation, main thing which changed was
 284     # pacserve, so not sure if it\'s related.
 285     pi python2
 286 fi
 287 pi ${p1[@]}
 288
 289
 290 ######## fix evbug bug ######
 291 case $distro in
 292     trisquel|ubuntu)
 293         # noticed in flidas.
 294         #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
 295         #https://wiki.debian.org/KernelModuleBlacklisting
 296         #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
 297         #but that file won't work and will get automatically reverted
 298         sudo rmmod evbug ||: # might not be loaded yet
 299         file=/etc/modprobe.d/evbug.conf
 300         line="blacklist evbug"
 301         if ! grep -xFq "$line" $file; then
 302             sudo dd of=$file 2>/dev/null <<<"$line"
 303             sudo depmod -a
 304             sudo update-initramfs -u
 305         fi
 306         ;;
 307 esac
 308
 309
 310 ###### link files
 311 # convenient to just do all file linking in one place
 312 s lnf -T /a/bin /b
 313 s lnf -T /nocow/t /t
 314 if has_p; then
 315     lnf -T /p/News ~/News
 316 fi
 317 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 318   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 319 rootsshsync
 320 s lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 321 if has_p; then
 322     # for dovecot
 323     lnf -T /i/k/mboxes ~/mail
 324 fi
 325
 326
 327
 328
 329 ##### install xinput
 330 if has_x; then
 331     case $(distro-name) in
 332         trisquel|ubuntu|debian)
 333             pi xinput
 334             ;;
 335         fedora)
 336             pi xinput_calibrator
 337             ;;
 338         arch)
 339             pi xorg-xinput
 340             ;;
 341     esac
 342
 343     #### install redshift
 344     case $(distro-name) in
 345         trisquel|ubuntu|debian)
 346             # recommends gets us geoclue (for darkening automatically at night i assume),
 347             # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
 348             pi --no-install-recommends gtk-redshift
 349             ;;&
 350         fedora)
 351             pi redshift-gtk
 352             ;;&
 353         arch)
 354             pi redshift
 355             ;;&
 356     esac
 357 fi
 358
 359
 360 #### arch specific early packages
 361 case $(distro-name) in
 362     arch)
 363         # pkgfile is like apt-cache
 364         pi pkgfile
 365         s pkgfile --update
 366         ;;
 367 esac
 368
 369 #### fedora specific packages
 370 case $(distro-name) in
 371     fedora)
 372         # todo, this could probably come later
 373         p -y groupinstall development-tools c-development books admin-tools
 374         pi man-pages
 375         ;;
 376     # other distros unknown
 377 esac
 378
 379 #### enable trim
 380 # enable trim for volume delete, other rare commands
 381 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 382 if encrypted; then
 383     if isdeb; then
 384         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 385     fi
 386     # does weekly trim
 387     sudo systemctl enable fstrim.timer
 388 fi
 389
 390 ##### make extra dirs
 391 dirs=(/mnt/{1,2,3,4,5,6,7,8,9} /nocow/t)
 392 s mkdir -p "${dirs[@]}"
 393 s chown $USER:$USER  "${dirs[@]}"
 394
 395 ###### setup /i
 396 tu /etc/fstab <<'EOF'
 397 /i/w  /w  none  bind,noauto  0 0
 398 /i/k  /k  none  bind,noauto  0 0
 399 EOF
 400 if ! mountpoint /kr; then
 401     s mkdir -p /kr
 402     s chown $USER:traci /kr
 403 fi
 404 if home_network; then
 405     if [[ $HOSTNAME == frodo ]]; then
 406         tu /etc/fstab <<'EOF'
 407 /k  /kr  none  bind,noauto  0 0
 408 EOF
 409     else
 410         tu /etc/fstab <<'EOF'
 411 frodo:/k  /kr  nfs  noauto  0 0
 412 EOF
 413     fi
 414 fi
 415 s mkdir -p /q /i/{w,k}
 416 for dir in /{i,w,k}; do
 417     if mountpoint $dir; then continue; fi # already mounted
 418     s mkdir -p $dir
 419     s chown $USER:$USER $dir
 420 done
 421 # not needed for all hosts, but rather just keep it uniform
 422 s mkdir -p /mnt/iroot
 423 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 424 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 425 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 426 # then waits endlessly for them on bootup, after the /dev/mapper disks
 427 # have already been created and exist. todo: create a simple repro
 428 # for this in a vm and report it upstream.
 429 if has_btrfs || home_network; then
 430     pi nfs-common
 431     s dd of=/root/imount <<'EOF'
 432 #!/bin/bash
 433 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 434 set -eE -o pipefail
 435 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 436 for dir in /i /mnt/iroot /k /kr /w; do
 437     if ! mountpoint $dir &>/dev/null && \
 438             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 439         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 440             mount $dir || echo "warning: failed to mount nfs on $dir"
 441         else
 442             mount $dir
 443         fi
 444     fi
 445 done
 446 EOF
 447     s chmod +x /root/imount
 448
 449     s dd of=/etc/systemd/system/imount.service <<EOF
 450 [Unit]
 451 Description=Mount /i and related mountpoints
 452 Before=syncthing@$USER.service
 453
 454 [Service]
 455 Type=oneshot
 456 ExecStart=/root/imount
 457
 458 [Install]
 459 RequiredBy=syncthing@$USER.service
 460 # note /kr needs networking, this target is the simplest way to
 461 # time it when the network should be up, but not do something
 462 # dumb like delay startup until the network is up. It happens
 463 # at some time after network.target
 464 WantedBy=multi-user.target
 465 EOF
 466     sudo systemctl daemon-reload # needed if the file was already there
 467     sudo systemctl enable imount.service
 468     sudo systemctl start imount.service
 469 fi
 470
 471 ##### setup /nocow.
 472 # a nocow dir that is common to multiple distros installed onthe same system
 473 dir=/nocow
 474 if has_btrfs; then
 475     if ! mountpoint $dir; then
 476         subvol=/mnt/root/nocow
 477         if [[ ! -e $subvol ]]; then
 478             s btrfs subvolume create $subvol
 479             s chown root:1000 $subvol
 480             s chattr +C $subvol
 481         fi
 482
 483         first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 484         tu /etc/fstab <<EOF
 485 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 486 EOF
 487         s mkdir -p $dir
 488         s chown $USER:$USER $dir
 489         s mount $dir
 490     fi
 491 else
 492     sudo mkdir -p $dir
 493 fi
 494
 495
 496 ###### fix mouse on jessie
 497 #  it comes with stretch and arch, but not jessie.
 498 # propogate /etc/udev/hwdb.d
 499 if which systemd-hwdb; then
 500     s systemd-hwdb update
 501     ser restart systemd-udev-trigger
 502 fi
 503
 504
 505 ##### setup email
 506 if isdeb; then
 507     mail-setup exim4
 508 else
 509     # todo: probably broken
 510     mail-setup postfix
 511 fi
 512
 513 #### ubuntu nicety
 514 if isubuntu; then
 515     # disable crash report annoying dialogs.
 516     s dd of=/etc/default/apport <<<'enabled=0'
 517 fi
 518
 519 ###### setup time zone
 520 # fai sets this an old way that doesn't work for stretch.
 521 # no harm in setting it universally here.
 522 # using debconf-set-selection, the area gets reset to ETC
 523 # on my linode test machine after doing a dpkg-reconfigure, or a reinstall,
 524 # so we are using expect :(
 525 # I got a random error when running this, so I added a sleep
 526 # rather than trying to write a whole detect and wait loop.
 527 # E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
 528 # E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 529 sleep 1
 530 # todo: this is not idempotent, it fails when running twice, due to prepopulated values.
 531 # check into unsetting them using debconf-set-selection.
 532 s apt-get -y install --no-install-recommends expect
 533 s expect <<EOF ||:
 534 set force_conservative 0
 535 spawn dpkg-reconfigure tzdata -freadline
 536 expect -nocase timeout {exit 1} "Geographic area:"
 537 send "\02512\r"
 538 expect -nocase timeout {exit 1} "Time zone:"
 539 send "\0255\r"
 540 expect eof
 541 exit
 542 EOF
 543
 544
 545 ##### install  emacs
 546 if has_x; then
 547     if isarch; then
 548         # emacs git build was broken last time i checked,
 549         x=$(mktemp -d)
 550         pushd $x
 551         aurex emacs-git
 552         makepkg -si --noconfirm
 553         popd
 554         rm -rf $x
 555         pi hunspell hunspell-en
 556     else
 557         if $recompile; then
 558             /a/bin/buildscripts/emacs
 559         else
 560             /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 561         fi
 562     fi
 563 fi
 564
 565 ##### install laptop hardware packages
 566 if tp || x2; then
 567     case $distro in
 568         debian)
 569             pi task-laptop
 570             ;;
 571         ubuntu|trisquel)
 572             # the exact packages that task-laptop would install, since ubuntu
 573             # doesn\'t have this virtual in practice package.
 574             pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 575             ;;
 576         # todo: other distros unknown
 577     esac
 578 fi
 579
 580
 581 ##### install xmonad
 582 if has_x; then
 583     pi ${p2[@]}
 584     # note: on older ubuntu I used cabal xmonad + xfce, using cabal versin
 585     # see /w/archive/programming/xmonad-cabal.sh
 586     if isarch; then
 587         # xorg-xmessage for displaying error messages.
 588         # optional dependency in arch, standard elsewhere.
 589         pi xorg-server xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 590     else
 591         pi suckless-tools
 592     fi
 593 fi
 594
 595
 596 ##### setup X autostart
 597 if has_x; then
 598     if isarch; then
 599         # https://wiki.archlinux.org/index.php/Xinitrc
 600         for homedir in /home/*; do
 601             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 602             $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 603             tee -a $homedir/.xinitrc <<'EOF'
 604 /a/bin/desktop-20-autostart.sh
 605 xsetroot -cursor_name left_ptr
 606 exec xmonad
 607 EOF
 608         done
 609         else
 610         # todo, figure this out for arch if we ever try out gnome.
 611         # install for multiple display managers in case we use one
 612         if isdeb; then
 613             dir=/etc/gdm3
 614         elif isfedora; then
 615             # fedora didn\'t have the 3.
 616             dir=/etc/gdm
 617         fi
 618         s mkdir -p $dir/PostLogin
 619         s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 620         s mkdir /etc/lightdm/lightdm.conf.d
 621         s dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 622 [SeatDefaults]
 623 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 624 EOF
 625     fi
 626 fi
 627
 628
 629 #### refix interactive ssh terminal
 630 # the first pup command can kill off our /etc/ mod, so rerun this
 631 /a/exe/ssh-emacs-setup
 632
 633
 634 echo "$0: $(date): ending now"
 635 exit 0