iankelling.org Git - automated-distro-installer/blob - arch-init-chroot

   1 #!/bin/bash -x
   2 set -eE -o pipefail
   3 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
   4
   5 for x in /etc/*.pacorig; do
   6     mv $x ${x%.pacorig}
   7 done
   8
   9 echo $hostname > /etc/hostname
  10 ln -s /usr/share/zoneinfo/America/Los_Angeles /etc/localtime
  11 l=en_US.UTF-8
  12 echo "$l UTF-8" > /etc/locale.gen
  13 locale-gen
  14 echo "LANG=$l" > /etc/locale.conf
  15 # if coming from windows, and you had to set the time, do this
  16 # hwclock --systohc --utc
  17
  18 # A password is required to access the  volume:
  19 # Command requires device and ampped name as arguments
  20
  21 # If we were using btrfs raid, we supposedly would need this.
  22 # # add btrfs as module instead of hook due to
  23 # # https://wiki.archlinux.org/index.php/Btrfs,
  24 # # https://bugs.archlinux.org/task/42884
  25 # # disabled, as with just the module, startup spammed something about
  26 # # command takes a device name and something else.
  27 # sed -ri '/^ *MODULES *=.*btrfs/!s/^( *MODULES *=.*)"/\1 btrfs"/' /etc/mkinitcpio.conf
  28 # # remove extra space
  29 # sed -ri 's/^( *MODULES *=[^"]*)" */\1"/' /etc/mkinitcpio.conf
  30
  31 # https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Configuring_mkinitcpio_2
  32 # used to have lvm2 after encrypt for lvm.
  33 for x in encrypt encrypt1 btrfs; do sed -ri -f - /etc/mkinitcpio.conf <<EOF
  34 /^ *HOOKS.*\b$x\b/!s/^( *HOOKS=.*)filesystems/\1$x filesystems/
  35 EOF
  36 done
  37
  38
  39
  40 # for desktop without full fs encryption, use this:
  41 #cat > /etc/crypttab <<'EOF'
  42 #tmp  /dev/lvm/tmp  /dev/urandom  tmp,cipher=aes-xts-plain64,size=256
  43
  44 # otgherwise ERROR: file not found: `fsck.btrfs'
  45 pacman -S --noconfirm btrfs-progs
  46
  47 pacman -S --noconfirm grub gptfdisk
  48
  49 if [[ $hostname == x2 || $hostname == demohost ]]; then
  50     echo "$0: fstab:"
  51     cat /etc/fstab
  52     # https://wiki.archlinux.org/index.php/Dm-crypt/System_configuration#Boot_loader
  53     # if cryptdevice was lvm, it woulde be in this format,
  54     # where x2-vg is from lvdisplay, VG Name field.
  55     # cryptdevice=/dev/disk/by-uuid/585dff23-136f-446f-815f-01053b70c957:x2-vg
  56     # but, if you are using your own fstab, it seems you just give it a name,
  57     # which will be the crypt device name under /dev/mapper/
  58     # https://wiki.archlinux.org/index.php/GRUB#Additional_arguments
  59     crypt_dev=(/dev/?da3)
  60     crypt_name=crypt_dev_${crypt_dev##/dev/}
  61     k_args=(
  62         cryptdevice=$crypt_dev:$crypt_name:allow-discards
  63         root=/dev/mapper/$crypt_name
  64         resume=${crypt_dev%3}2
  65     )
  66     crypt_mapper_devs=(/dev/mapper/crypt_dev_?d[a-z]3)
  67     keyfile_vars=()
  68     for ((i=1; i < ${#crypt_mapper_devs[@]}; i++)); do
  69         ((i!=1)) || dup_keys=(" ")
  70         cp /crypto_keyfile.bin /crypto_keyfile$i.bin
  71         dup_keys+=(/crypto_keyfile$i.bin)
  72         base=/usr/lib/initcpio
  73         cp $base/hooks/encrypt{,$i}
  74         cp $base/install/encrypt{,$i}
  75         sed -i "s/cryptdevice/cryptdevice$i/" $base/hooks/encrypt$i
  76         sed -i "s/cryptkey/cryptkey$i/" $base/hooks/encrypt$i
  77         crypt_name=${crypt_mapper_devs[i]#/dev/mapper/}
  78         crypt_dev=/dev/${crypt_name#crypt_dev_}
  79         k_args+=(cryptdevice$i=$crypt_dev:$crypt_name:allow-discards
  80                  cryptkey$i=rootfs:/crypto_keyfile$i.bin)
  81     done
  82     # this is the default file, otherwise you use cryptkey=device:fstype:path
  83     sed -ri -f - /etc/mkinitcpio.conf <<EOF
  84 s#^\s*FILES=.*#FILES="/crypto_keyfile.bin${dup_keys[*]}"#
  85 EOF
  86     echo "$0: FILES:"
  87     grep FILES /etc/mkinitcpio.conf
  88     k_args="${k_args[*]}"
  89     echo "$0: grub cmdline additions: $k_args"
  90     sed -ri -f - /etc/default/grub <<EOF
  91 \%$k_args%!s%^ *GRUB_CMDLINE_LINUX_DEFAULT *= *"%\0$k_args %
  92 EOF
  93 fi
  94
  95 mkinitcpio -p linux
  96
  97
  98 # remove the default quiet arg.
  99 # this doesn't seem to affect anything, so leave it alone.
 100 #sed -ri 's/^( *GRUB_CMDLINE_LINUX_DEFAULT *= *.*) ?\bquiet\b(.*)/\1\2/' /etc/default/grub
 101
 102 # https://wiki.archlinux.org/index.php/GRUB#Install_to_disk
 103 grub-install --recheck $grubdisk
 104 grub-mkconfig -o /boot/grub/grub.cfg
 105 pacman -S --noconfirm openssh unison
 106
 107 echo "root:$ROOTPW" | chpasswd -e
 108
 109 pacman -S --noconfirm sudo
 110
 111 useradd -m -p "$ROOTPW" ian
 112
 113 /root/distro-install-common/end
 114 systemctl enable sshd
 115
 116 rm -rf /home/ian/.ssh
 117 cp -r /root/.ssh /home/ian
 118 chown ian:ian /home/ian/.ssh
 119 # the groups recommended by
 120 # https://wiki.archlinux.org/index.php/Users_and_groups#Group_list
 121 usermod -aG games,rfkill,users,uucp,wheel ian
 122
 123 # setup a bridge, so we can have 1st class vms.
 124 cat > /etc/systemd/network/wired.network <<EOF
 125 [Match]
 126 Name=en*
 127
 128 [Network]
 129 Bridge=br0
 130 EOF
 131
 132 cat > /etc/systemd/network/br0.network <<EOF
 133 [Match]
 134 Name=br0
 135
 136 [Network]
 137 DHCP=ipv4
 138 EOF
 139
 140 pacman -S --noconfirm net-tools # for route
 141 mac=$(cat /sys/class/net/$(route -n | sed -rn 's/^0\.0\.0\.0.*[[:space:]]([^[:space:]]+)[[:space:]]*$/\1/p')/address)
 142 cat > /etc/systemd/network/br0.netdev <<EOF
 143 [NetDev]
 144 Name=br0
 145 Kind=bridge
 146 # use the same mac as the physical port,
 147 # which is mapped to a static ip in our dhcp server.
 148 MACAddress=$mac
 149 EOF
 150
 151 for x in networkd resolved; do systemctl enable systemd-$x; done