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 if ifclass VOL_BULLSEYE_BOOTSTRAP || VOL_BOOKWORM_BOOTSTRAP; then
  36   exit 0
  37 fi
  38
  39
  40 # return of 9 = user already exists. so we are idempotent.
  41 au iank
  42 # generating a hashed password:
  43 # under debian, you can do
  44 # mkpasswd -m sha-512 -s >/q/root/shadow/standard
  45 # On arch, best seems to be copy your shadow file to a temp location,
  46 # then passwd, get out the new pass, then copy the shadow file back.
  47 if [[ -e $root_pw_f ]]; then
  48   sed 's/^/root:/' $root_pw_f | $ROOTCMD chpasswd -e
  49   sed 's/^/iank:/' $root_pw_f | $ROOTCMD chpasswd -e
  50 fi
  51
  52 au user2
  53 if ifclass frodo; then
  54   sed 's/^/user2:/' /q/root/shadow/user2 | $ROOTCMD chpasswd -e
  55 fi
  56 # comparing iank's groups to user2, I see none she should join on arch
  57 $ROOTCMD usermod -a -G user2 iank
  58
  59
  60 $ROOTCMD getent group docker &>/dev/null || $ROOTCMD groupadd -r docker
  61 $ROOTCMD usermod -a -G docker iank
  62
  63 # based on unison error, with 8192 from
  64 # sysctl -a | grep fs.inotify.max_user_watches
  65 #http://stackoverflow.com/questions/535768/what-is-a-reasonable-amount-of-inotify-watches-with-linux
  66 f=$target/etc/sysctl.d/99-sysctl.conf
  67 key=fs.inotify.max_user_watches
  68 if [[ -e $f ]]; then sed -ri --follow-symlinks "/^\s*$key\s*=/d" $f; fi
  69 echo "fs.inotify.max_user_watches = 50000" >> $f
  70 # applies it. it would be also be applied after a reboot
  71 $ROOTCMD sysctl --system
  72
  73 if getent group sudo >/dev/null; then
  74   $ROOTCMD usermod -aG sudo iank
  75 fi
  76
  77 cat >$target/etc/sudoers.d/ianksudoers <<'EOF'
  78 Defaults timestamp_timeout=1440
  79 # used in bashrc
  80 Defaults  env_keep += SUDOD
  81 # always_set_home
  82 # makes ubuntu be like debian
  83 # https://unix.stackexchange.com/a/91572
  84 Defaults always_set_home
  85 # umask: default setting is to have  minimum umask of 0022
  86 # This lets us have user-specific umasks which are more permissive.
  87 # I did this for transmission and set it's umask gecos on install,
  88 # see there for more info.
  89 Defaults !umask
  90 # i use sudo in cronjobs, it spams the logs rather uselessly
  91 # https://stackoverflow.com/questions/14277116/suppress-log-entry-for-single-sudo-commands
  92 Defaults:root,iank !log_allowed, !pam_session
  93 # for just the root user, set some env vars
  94 Defaults>root env_file=/etc/rootsudoenv
  95
  96 # a few commands we should be able to run with no password
  97 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
  98
  99 EOF
 100
 101 case $HOSTNAME in
 102   li|bk|je)
 103     cat >>$target/etc/sudoers.d/ianksudoers <<'EOF'
 104 iank  ALL=(ALL)  NOPASSWD: ALL
 105 EOF
 106     ;;
 107 esac
 108
 109 # remove old config line. can be removed eventually.
 110 f=$target/etc/sudoers
 111 line='iank  ALL=(ALL)  NOPASSWD: ALL'
 112 if grep -qxF "$line" $f; then
 113   sed -i "/^$line/d" $f
 114 fi
 115
 116
 117 au --system -s /bin/false --home-dir /var/lib/bitcoind bitcoin