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 $USER  ALL=(ALL)  NOPASSWD: ALL
 222 Defaults  env_keep += SUDOD
 223 # makes ubuntu be like debian
 224 # https://unix.stackexchange.com/a/91572
 225 Defaults always_set_home
 226 # default setting is to have  minimum umask of 0022
 227 # This lets us have user-specific umasks which are more permissive.
 228 # I did this for transmission and set it's umask gecos on install,
 229 # see there for more info.
 230 Defaults !umask
 231 EOF
 232
 233
 234 #### setup firefox backport
 235 ## ian: disabled. backports are not being published atm due to rust packaging issue
 236 # if isdeb; then
 237 #     codename=$(debian-codename)
 238 #         if isdebian-stable && has_x; then
 239 #             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 240 #     deb http://mozilla.debian.net/ $codename-backports firefox-release
 241 #     deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 242 # EOF
 243 #             p update
 244 #             # take care of mozilla signing errors in previous command
 245 #             pi pkg-mozilla-archive-keyring
 246 #         fi
 247 #     p update
 248 # fi
 249
 250
 251 ######  arch aur wrapper setup
 252 if isarch; then
 253     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 254     sudo pacman -S --noconfirm --needed base-devel jq
 255     # pacaur seems to be the best, although it + cower has a few minor bugs,
 256     # its design goals seem good, so, going for it.
 257
 258     aurpi() {
 259         for p in "$@"; do
 260             tempdir=$(mktemp -d)
 261             pushd $tempdir
 262             aurex "$p"
 263             makepkg -sri --skippgpcheck --noconfirm
 264             popd
 265             rm -rf $tempdir
 266         done
 267     }
 268     aurpi cower pacaur
 269
 270     pi pacserve
 271
 272     x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 273     sudo dd of=/etc/pacman.conf if=$x; rm $x
 274     sudo systemctl enable pacserve.service
 275     sudo systemctl start pacserve.service
 276
 277 fi
 278
 279 #### update all packages
 280 pup
 281
 282
 283 ###### p1 packages install ######
 284 if isarch; then
 285     # requirement for trash-cli.
 286     # background: strange error if just installing trash-cli: "pyalpm requires python",
 287     # so I see that it requires python2, and installing that manually fixes it.
 288     # I didn\'t see this on earlier installation, main thing which changed was
 289     # pacserve, so not sure if it\'s related.
 290     pi python2
 291 fi
 292 pi ${p1[@]}
 293
 294
 295 ######## fix evbug bug ######
 296 case $distro in
 297     trisquel|ubuntu)
 298         # noticed in flidas.
 299         #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
 300         #https://wiki.debian.org/KernelModuleBlacklisting
 301         #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
 302         #but that file won't work and will get automatically reverted
 303         sudo rmmod evbug ||: # might not be loaded yet
 304         file=/etc/modprobe.d/evbug.conf
 305         line="blacklist evbug"
 306         if ! grep -xFq "$line" $file; then
 307             sudo dd of=$file 2>/dev/null <<<"$line"
 308             sudo depmod -a
 309             sudo update-initramfs -u
 310         fi
 311         ;;
 312 esac
 313
 314
 315 ###### link files
 316 # convenient to just do all file linking in one place
 317 s lnf -T /a/bin /b
 318 s lnf -T /nocow/t /t
 319 if has_p; then
 320     lnf -T /p/News ~/News
 321 fi
 322 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 323   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 324 rootsshsync
 325 s lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 326 if has_p; then
 327     # for dovecot
 328     lnf -T /i/k/mboxes ~/mail
 329 fi
 330
 331
 332
 333
 334 ##### install xinput
 335 if has_x; then
 336     case $(distro-name) in
 337         trisquel|ubuntu|debian)
 338             pi xinput
 339             ;;
 340         fedora)
 341             pi xinput_calibrator
 342             ;;
 343         arch)
 344             pi xorg-xinput
 345             ;;
 346     esac
 347
 348     #### install redshift
 349     case $(distro-name) in
 350         trisquel|ubuntu|debian)
 351             # recommends gets us geoclue (for darkening automatically at night i assume),
 352             # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
 353             pi --no-install-recommends gtk-redshift
 354             ;;&
 355         fedora)
 356             pi redshift-gtk
 357             ;;&
 358         arch)
 359             pi redshift
 360             ;;&
 361     esac
 362 fi
 363
 364
 365 #### arch specific early packages
 366 case $(distro-name) in
 367     arch)
 368         # pkgfile is like apt-cache
 369         pi pkgfile
 370         s pkgfile --update
 371         ;;
 372 esac
 373
 374 #### fedora specific packages
 375 case $(distro-name) in
 376     fedora)
 377         # todo, this could probably come later
 378         p -y groupinstall development-tools c-development books admin-tools
 379         pi man-pages
 380         ;;
 381     # other distros unknown
 382 esac
 383
 384 #### enable trim
 385 # enable trim for volume delete, other rare commands
 386 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 387 if encrypted; then
 388     if isdeb; then
 389         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 390     fi
 391     # does weekly trim
 392     sudo systemctl enable fstrim.timer
 393 fi
 394
 395 ##### make extra dirs
 396 dirs=(/mnt/{1,2,3,4,5,6,7,8,9} /nocow/t)
 397 s mkdir -p "${dirs[@]}"
 398 s chown $USER:$USER  "${dirs[@]}"
 399
 400 ###### setup /i
 401 tu /etc/fstab <<'EOF'
 402 /i/w  /w  none  bind,noauto  0 0
 403 /i/k  /k  none  bind,noauto  0 0
 404 EOF
 405 if ! mountpoint /kr; then
 406     s mkdir -p /kr
 407     s chown $USER:traci /kr
 408 fi
 409 if home_network; then
 410     if [[ $HOSTNAME == frodo ]]; then
 411         tu /etc/fstab <<'EOF'
 412 /k  /kr  none  bind,noauto  0 0
 413 EOF
 414     else
 415         tu /etc/fstab <<'EOF'
 416 frodo:/k  /kr  nfs  noauto  0 0
 417 EOF
 418     fi
 419 fi
 420 s mkdir -p /q /i/{w,k}
 421 for dir in /{i,w,k}; do
 422     if mountpoint $dir; then continue; fi # already mounted
 423     s mkdir -p $dir
 424     s chown $USER:$USER $dir
 425 done
 426 # not needed for all hosts, but rather just keep it uniform
 427 s mkdir -p /mnt/iroot
 428 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 429 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 430 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 431 # then waits endlessly for them on bootup, after the /dev/mapper disks
 432 # have already been created and exist. todo: create a simple repro
 433 # for this in a vm and report it upstream.
 434 if has_btrfs || home_network; then
 435     pi nfs-common
 436     s dd of=/root/imount <<'EOF'
 437 #!/bin/bash
 438 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 439 set -eE -o pipefail
 440 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 441 for dir in /i /mnt/iroot /k /kr /w; do
 442     if ! mountpoint $dir &>/dev/null && \
 443             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 444         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 445             mount $dir || echo "warning: failed to mount nfs on $dir"
 446         else
 447             mount $dir
 448         fi
 449     fi
 450 done
 451 EOF
 452     s chmod +x /root/imount
 453
 454     s dd of=/etc/systemd/system/imount.service <<EOF
 455 [Unit]
 456 Description=Mount /i and related mountpoints
 457 Before=syncthing@$USER.service
 458
 459 [Service]
 460 Type=oneshot
 461 ExecStart=/root/imount
 462
 463 [Install]
 464 RequiredBy=syncthing@$USER.service
 465 # note /kr needs networking, this target is the simplest way to
 466 # time it when the network should be up, but not do something
 467 # dumb like delay startup until the network is up. It happens
 468 # at some time after network.target
 469 WantedBy=multi-user.target
 470 EOF
 471     sudo systemctl daemon-reload # needed if the file was already there
 472     sudo systemctl enable imount.service
 473     sudo systemctl start imount.service
 474 fi
 475
 476 ##### setup /nocow.
 477 # a nocow dir that is common to multiple distros installed on the same system
 478 dir=/nocow
 479 if has_btrfs; then
 480     if ! mountpoint $dir; then
 481         subvol=/mnt/root/nocow
 482         if [[ ! -e $subvol ]]; then
 483             s btrfs subvolume create $subvol
 484             s chown root:1000 $subvol
 485             s chattr +C $subvol
 486         fi
 487
 488         first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 489         tu /etc/fstab <<EOF
 490 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 491 EOF
 492         s mkdir -p $dir
 493         s chown $USER:$USER $dir
 494         s mount $dir
 495     fi
 496 else
 497     sudo mkdir -p $dir
 498 fi
 499
 500
 501 ###### fix mouse on jessie
 502 #  it comes with stretch and arch, but not jessie.
 503 # propogate /etc/udev/hwdb.d
 504 if which systemd-hwdb; then
 505     s systemd-hwdb update
 506     ser restart systemd-udev-trigger
 507 fi
 508
 509
 510 ##### setup email
 511 if isdeb; then
 512     mail-setup exim4
 513 else
 514     # todo: probably broken
 515     mail-setup postfix
 516 fi
 517
 518 #### ubuntu nicety
 519 if isubuntu; then
 520     # disable crash report annoying dialogs.
 521     s dd of=/etc/default/apport <<<'enabled=0'
 522 fi
 523
 524 ###### setup time zone
 525 # fai sets this an old way that doesn't work for stretch.
 526 # no harm in setting it universally here.
 527 # using debconf-set-selection, the area gets reset to ETC
 528 # on my linode test machine after doing a dpkg-reconfigure, or a reinstall,
 529 # so we are using expect :(
 530 # I got a random error when running this, so I added a sleep
 531 # rather than trying to write a whole detect and wait loop.
 532 # E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
 533 # E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 534 sleep 1
 535 # todo: this is not idempotent, it fails when running twice, due to prepopulated values.
 536 # check into unsetting them using debconf-set-selection.
 537 s apt-get -y install --no-install-recommends expect
 538 s expect <<EOF ||:
 539 set force_conservative 0
 540 spawn dpkg-reconfigure tzdata -freadline
 541 expect -nocase timeout {exit 1} "Geographic area:"
 542 send "\02512\r"
 543 expect -nocase timeout {exit 1} "Time zone:"
 544 send "\0255\r"
 545 expect eof
 546 exit
 547 EOF
 548
 549
 550 ##### install  emacs
 551 if has_x; then
 552     if isarch; then
 553         # emacs git build was broken last time i checked,
 554         x=$(mktemp -d)
 555         pushd $x
 556         aurex emacs-git
 557         makepkg -si --noconfirm
 558         popd
 559         rm -rf $x
 560         pi hunspell hunspell-en
 561     else
 562         if $recompile; then
 563             /a/bin/buildscripts/emacs
 564         else
 565             /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 566         fi
 567     fi
 568 fi
 569
 570 ##### install laptop hardware packages
 571 if tp || x2; then
 572     case $distro in
 573         debian)
 574             pi task-laptop
 575             ;;
 576         ubuntu|trisquel)
 577             # the exact packages that task-laptop would install, since ubuntu
 578             # doesn\'t have this virtual in practice package.
 579             pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 580             ;;
 581         # todo: other distros unknown
 582     esac
 583 fi
 584
 585
 586 ##### install xmonad
 587 if has_x; then
 588     pi ${p2[@]}
 589     # note: on older ubuntu I used cabal xmonad + xfce, using cabal versin
 590     # see /w/archive/programming/xmonad-cabal.sh
 591     if isarch; then
 592         # xorg-xmessage for displaying error messages.
 593         # optional dependency in arch, standard elsewhere.
 594         pi xorg-server xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 595     else
 596         pi suckless-tools
 597     fi
 598 fi
 599
 600
 601 ##### setup X autostart
 602 if has_x; then
 603     if isarch; then
 604         # https://wiki.archlinux.org/index.php/Xinitrc
 605         for homedir in /home/*; do
 606             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 607             $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 608             tee -a $homedir/.xinitrc <<'EOF'
 609 /a/bin/desktop-20-autostart.sh
 610 xsetroot -cursor_name left_ptr
 611 exec xmonad
 612 EOF
 613         done
 614         else
 615         # todo, figure this out for arch if we ever try out gnome.
 616         # install for multiple display managers in case we use one
 617         if isdeb; then
 618             dir=/etc/gdm3
 619         elif isfedora; then
 620             # fedora didn\'t have the 3.
 621             dir=/etc/gdm
 622         fi
 623         s mkdir -p $dir/PostLogin
 624         s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 625         s mkdir /etc/lightdm/lightdm.conf.d
 626         s dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 627 [SeatDefaults]
 628 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 629 EOF
 630     fi
 631 fi
 632
 633
 634 #### refix interactive ssh terminal
 635 # the first pup command can kill off our /etc/ mod, so rerun this
 636 /a/exe/ssh-emacs-setup
 637
 638
 639 echo "$0: $(date): ending now"
 640 exit 0