pvv-nixos-config/hosts/bekkalokk/services/website/fetch-gallery.nix

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{ pkgs, lib, config, ... }:
let
galleryDir = config.services.pvv-nettsiden.settings.GALLERY.DIR;
transferDir = "${config.services.pvv-nettsiden.settings.GALLERY.DIR}-transfer";
in {
users.users.${config.services.pvv-nettsiden.user} = {
useDefaultShell = true;
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# This is pushed from microbel:/var/www/www-gallery/build-gallery.sh
openssh.authorizedKeys.keys = [
''command="${pkgs.rrsync}/bin/rrsync -wo ${transferDir}",restrict,no-agent-forwarding,no-port-forwarding,no-pty,no-X11-forwarding ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish''
];
};
systemd.paths.pvv-nettsiden-gallery-update = {
wantedBy = [ "multi-user.target" ];
pathConfig = {
PathChanged = "${transferDir}/gallery.tar.gz";
Unit = "pvv-nettsiden-gallery-update.service";
MakeDirectory = true;
};
};
systemd.services.pvv-nettsiden-gallery-update = {
path = with pkgs; [ imagemagick gnutar gzip ];
script = ''
tar ${lib.cli.toGNUCommandLineShell {} {
extract = true;
file = "${transferDir}/gallery.tar.gz";
directory = ".";
}}
# Delete files and directories that exists in the gallery that don't exist in the tarball
filesToRemove=$(uniq -u <(sort <(find . -not -path "./.thumbnails*") <(tar -tf ${transferDir}/gallery.tar.gz | sed 's|/$||')))
while IFS= read fname; do
rm -f "$fname" ||:
rm -f ".thumbnails/$fname.png" ||:
done <<< "$filesToRemove"
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find . -type d -empty -delete
mkdir -p .thumbnails
images=$(find . -type f -not -path "./.thumbnails*")
while IFS= read fname; do
# Skip this file if an up-to-date thumbnail already exists
if [ -f ".thumbnails/$fname.png" ] && \
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[ "$(date -R -r "$fname")" == "$(date -R -r ".thumbnails/$fname.png")" ]
then
continue
fi
echo "Creating thumbnail for $fname"
mkdir -p $(dirname ".thumbnails/$fname")
convert -define jpeg:size=200x200 "$fname" -thumbnail 300 -auto-orient ".thumbnails/$fname.png" ||:
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touch -m -d "$(date -R -r "$fname")" ".thumbnails/$fname.png"
done <<< "$images"
'';
serviceConfig = {
WorkingDirectory = galleryDir;
User = config.services.pvv-nettsiden.user;
Group = config.services.pvv-nettsiden.group;
};
};
}