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 USER2PW=/q/root/shadow/user2
  22 # if doesn't exist, we dont set one
  23 ROOTPW=/q/root/shadow/standard
  24 if [[ ! -e $ROOTPW ]]; then
  25   ROOTPW=/q/root/shadow/$HOSTNAME
  26 fi
  27
  28 chpw() {
  29   # generating a hashed password:
  30   # under debian, you can do
  31   # mkpasswd -m sha-512 -s >/q/root/shadow/standard
  32   # On arch, best seems to be copy your shadow file to a temp location,
  33   # then passwd, get out the new pass, then copy the shadow file back.
  34
  35   user=$1
  36   pwfile=$2
  37   if [[ $pwfile && -e $pwfile ]]; then
  38     printf "$user:" | cat - "$pwfile" | $ROOTCMD chpasswd -e
  39   else
  40     echo "$0: warning: no pw set for $user" >&2
  41   fi
  42 }
  43 au() { # add user. i don't use adduser for portability
  44   local user=${@: -1}
  45   if ! $ROOTCMD getent passwd $user; then
  46     $ROOTCMD useradd -c $user -Um -s /bin/bash $@
  47   fi
  48 }
  49
  50 chpw root "$ROOTPW"
  51
  52 # only setup root pass for bootstrap vol
  53 if ifclass VOL_BULLSEYE_BOOTSTRAP; then
  54   exit 0
  55 fi
  56
  57
  58 # return of 9 = user already exists. so we are idempotent.
  59 au iank
  60 chpw iank "$ROOTPW"
  61
  62 au user2
  63 if ifclass frodo; then
  64   chpw user2 "$USER2PW"
  65 fi
  66 # comparing iank's groups to user2, I see none she should join on arch
  67 $ROOTCMD usermod -a -G user2 iank
  68
  69
  70 $ROOTCMD getent group docker &>/dev/null || $ROOTCMD groupadd -r docker
  71 $ROOTCMD usermod -a -G docker iank
  72
  73 # based on unison error, with 8192 from
  74 # sysctl -a | grep fs.inotify.max_user_watches
  75 #http://stackoverflow.com/questions/535768/what-is-a-reasonable-amount-of-inotify-watches-with-linux
  76 f=$target/etc/sysctl.d/99-sysctl.conf
  77 key=fs.inotify.max_user_watches
  78 if [[ -e $f ]]; then sed -ri --follow-symlinks "/^\s*$key\s*=/d" $f; fi
  79 echo "fs.inotify.max_user_watches = 50000" >> $f
  80 # applies it. it would be also be applied after a reboot
  81 $ROOTCMD sysctl --system
  82
  83 if getent group sudo >/dev/null; then
  84   usermod -aG sudo iank
  85 fi
  86
  87 cat >$target/etc/sudoers.d/ianksudoers <<'EOF'
  88 Defaults timestamp_timeout=1440
  89 # used in bashrc
  90 Defaults  env_keep += SUDOD
  91 # always_set_home
  92 # makes ubuntu be like debian
  93 # https://unix.stackexchange.com/a/91572
  94 Defaults always_set_home
  95 # umask: default setting is to have  minimum umask of 0022
  96 # This lets us have user-specific umasks which are more permissive.
  97 # I did this for transmission and set it's umask gecos on install,
  98 # see there for more info.
  99 Defaults !umask
 100 # i use sudo in cronjobs, it spams the logs rather uselessly
 101 # https://stackoverflow.com/questions/14277116/suppress-log-entry-for-single-sudo-commands
 102 Defaults:root,iank !log_allowed, !pam_session
 103 # for just the root user, set some env vars
 104 Defaults>root env_file=/etc/rootsudoenv
 105 EOF
 106
 107 case $HOSTNAME in
 108   li|bk|je)
 109     cat >>$target/etc/sudoers.d/ianksudoers <<'EOF'
 110 iank  ALL=(ALL)  NOPASSWD: ALL
 111 EOF
 112     ;;
 113 esac
 114
 115 # remove old config line. can be removed eventually.
 116 f=$target/etc/sudoers
 117 line='iank  ALL=(ALL)  NOPASSWD: ALL'
 118 if grep -qxF "$line" $f; then
 119   sed -i "/^$line/d" $f
 120 fi
 121
 122
 123 au --system -s /bin/false --home-dir /var/lib/bitcoind bitcoin