private/hosts/encrypt.sh

   1 #!/usr/bin/env sh
   2 set -eux
   3 set -o pipefail
   4 dir=${0%/*}
   5 key=$1
   6 host=${key#*/}
   7 host=${host%%/*}
   8 hostkey=${key#*/*/}
   9 mkdir -p "$dir/$host/credentials/${hostkey%/*}"
  10 pass "$key" |
  11 sudo unshare --mount sh -xc "
  12   mount --bind $dir/$host/root/credential.secret /var/lib/systemd/credential.secret &&
  13   mount --bind $dir/$host/root/machine-id /etc/machine-id &&
  14   systemd-creds encrypt --with-key=host --name '${hostkey##*/}' - - |
  15   install -m 400 -o $USER -g users /dev/stdin '$dir/$host/credentials/$hostkey.cred'
  16 "