demo-paperless-service.sh

#! /usr/bin/env bash
set -euo pipefail

nixpkgs=$(nix eval --raw '(builtins.fetchTarball https://github.com/erikarvstedt/nixpkgs/archive/paperless.tar.gz)')

if [[ $PATH != *paperlessDemoEnv* ]]; then
    nix-build --out-link /tmp/paperlessDemoEnv -E '
      with (import <nixpkgs> {});
      let
        extra-container = callPackage (builtins.fetchGit {
          url = "https://github.com/erikarvstedt/extra-container.git";
          rev = "d2d732456d478168d62124ed112396ed28f7d116";
        }) {};
      in
        buildEnv {
          name = "paperlessDemoEnv";
          paths = [ extra-container jq imagemagick ];
        }
    ' > /dev/null
    export PATH=/tmp/paperlessDemoEnv/bin${PATH:+:}$PATH
fi

## Create a container with a Paperless instance.
# For unknown reasons, when using `nixos-container create` the server process
# needs > 30 sec until it opens its socket.
# Work around this by using `extra-container`.
NIX_PATH=nixpkgs=$nixpkgs sudo extra-container create --start <<EOF
{
  containers.pldemo = {
    config = {
      services.paperless = {
        enable = true;
        address = "0.0.0.0";
      };
    };
  };
}
EOF

# Create a test document
sudo convert -size 400x40 xc:white -font "DejaVu-Sans" -pointsize 20 -fill black -annotate +5+20 \
     "hello world 16-10-2005" /var/lib/containers/pldemo/var/lib/paperless/consume/doc.png

# Wait until the document is consumed
while [[ $(curl -s localhost:28981/api/documents/ | jq .count) != 1 ]]; do sleep 0.1; done

# Show documents
curl -s localhost:28981/api/documents/ | jq

sudo extra-container destroy pldemo