iankelling.org Git - automated-distro-installer/blob - fai/config/distro-install-common/end

   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 # ssh host keys
  12 # note, $BASH_SOURCE is not defined here under fai.
  13
  14 src=$(dirname "$0")/p/c/machine_specific/$HOSTNAME/filesystem/etc/ssh
  15 dst=$target/etc/ssh
  16 if [[ -e $src && -e $dst ]]; then
  17   # outside of fai context or setting up a brand new host, we skip this
  18   cp -rT $src $dst
  19 fi
  20
  21 root_pw_f=/q/root/shadow/standard
  22 if [[ ! -e $root_pw_f ]]; then
  23   root_pw_f=/q/root/shadow/$HOSTNAME
  24 fi
  25
  26 au() { # add user. i don't use adduser for portability
  27   local user=${@: -1}
  28   if ! $ROOTCMD getent passwd $user; then
  29     $ROOTCMD useradd -c $user -Um -s /bin/bash $@
  30   fi
  31 }
  32
  33
  34 # only setup root pass for bootstrap vol
  35 # for bootstrap vol, we only use root user
  36 if ifclass VOL_BULLSEYE_BOOTSTRAP || ifclass VOL_BOOKWORM_BOOTSTRAP; then
  37   sed 's/^/root:/' $root_pw_f | $ROOTCMD chpasswd -e
  38   exit 0
  39 fi
  40
  41
  42 # return of 9 = user already exists. so we are idempotent.
  43 au iank
  44 # generating a hashed password:
  45 # under debian, you can do
  46 # mkpasswd -m sha-512 -s >/q/root/shadow/standard
  47 # On arch, best seems to be copy your shadow file to a temp location,
  48 # then passwd, get out the new pass, then copy the shadow file back.
  49 if [[ -e $root_pw_f ]]; then
  50   sed 's/^/root:/' $root_pw_f | $ROOTCMD chpasswd -e
  51   sed 's/^/iank:/' $root_pw_f | $ROOTCMD chpasswd -e
  52 fi
  53
  54 au user2
  55 if ifclass frodo; then
  56   sed 's/^/user2:/' /q/root/shadow/user2 | $ROOTCMD chpasswd -e
  57 fi
  58 # comparing iank's groups to user2, I see none she should join on arch
  59 $ROOTCMD usermod -a -G user2 iank
  60
  61
  62 $ROOTCMD getent group docker &>/dev/null || $ROOTCMD groupadd -r docker
  63 $ROOTCMD usermod -a -G docker iank
  64
  65 # based on unison error, with 8192 from
  66 # sysctl -a | grep fs.inotify.max_user_watches
  67 #http://stackoverflow.com/questions/535768/what-is-a-reasonable-amount-of-inotify-watches-with-linux
  68 f=$target/etc/sysctl.d/99-sysctl.conf
  69 key=fs.inotify.max_user_watches
  70 if [[ -e $f ]]; then sed -ri --follow-symlinks "/^\s*$key\s*=/d" $f; fi
  71 echo "fs.inotify.max_user_watches = 50000" >> $f
  72 # applies it. it would be also be applied after a reboot
  73 $ROOTCMD sysctl --system
  74
  75 if getent group sudo >/dev/null; then
  76   $ROOTCMD usermod -aG sudo iank
  77 fi
  78
  79 mkdir -p $target/etc/sudoers.d
  80 cat >$target/etc/sudoers.d/ianksudoers <<'EOF'
  81 Defaults timestamp_timeout=1440
  82 # used in bashrc
  83 Defaults  env_keep += SUDOD
  84 # always_set_home
  85 # makes ubuntu be like debian
  86 # https://unix.stackexchange.com/a/91572
  87 Defaults always_set_home
  88 # umask: default setting is to have  minimum umask of 0022
  89 # This lets us have user-specific umasks which are more permissive.
  90 # I did this for transmission and set it's umask gecos on install,
  91 # see there for more info.
  92 Defaults !umask
  93 # i use sudo in cronjobs, it spams the logs rather uselessly
  94 # https://stackoverflow.com/questions/14277116/suppress-log-entry-for-single-sudo-commands
  95 Defaults:root,iank !log_allowed, !pam_session
  96 # for just the root user, set some env vars
  97 Defaults>root env_file=/etc/rootsudoenv
  98
  99 # a few commands we should be able to run with no password
 100 iank ALL = (root) NOPASSWD: /usr/local/bin/spend,/usr/local/bin/us,/usr/local/bin/off,/usr/bin/nmtui-connect,/usr/local/bin/bitcoinoff,/usr/local/bin/bitcoinon
 101
 102 EOF
 103
 104 case $HOSTNAME in
 105   li|bk|je)
 106     cat >>$target/etc/sudoers.d/ianksudoers <<'EOF'
 107 iank  ALL=(ALL)  NOPASSWD: ALL
 108 EOF
 109     ;;
 110 esac
 111
 112 # remove old config line. can be removed eventually.
 113 f=$target/etc/sudoers
 114 line='iank  ALL=(ALL)  NOPASSWD: ALL'
 115 if grep -qxF "$line" $f; then
 116   sed -i "/^$line/d" $f
 117 fi
 118
 119
 120 au --system -s /bin/false --home-dir /var/lib/bitcoind bitcoin