139 lines
4.2 KiB
Nix
139 lines
4.2 KiB
Nix
{pkgs, ...}:
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let
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# Import the inquisitor package and build it
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inquisitorSource = pkgs.fetchFromGitHub {
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owner = "Jaculabilis";
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repo = "Inquisitor";
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rev = "addcb4f1a56c878b58f2e1c38dfd485761b31306";
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sha256 = "0jjl92nf1y40acdly1kls0mppcadvmgbfr6qwczxni1f1zphw3as";
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};
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inquisitor = pkgs.callPackage inquisitorSource { inherit pkgs; };
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# Define the inquisitor data directory
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inquisiDir = "/var/lib/inquisitor";
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# Define an scp helper for executing in cron jobs
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scp-helper = pkgs.writeShellScriptBin "scp-helper" ''
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${pkgs.openssh}/bin/scp -i ${inquisiDir}/inquisitor.key -oStrictHostKeyChecking=no "$@"
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'';
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# Define the inquisitor service user
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inquisitorUser = {
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name = "inquisitor";
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group = "inquisitor";
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description = "Inquisitor service user";
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isSystemUser = true;
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shell = pkgs.bashInteractive;
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packages = [ inquisitor pkgs.cron ];
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};
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# Create the inquisitor config file in the nix store, pointing to /var/lib/
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inquisitorConfig = pkgs.writeTextFile {
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name = "inquisitor.conf";
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text = ''
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DataPath = ${inquisiDir}/data/
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SourcePath = ${inquisiDir}/sources/
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CachePath = ${inquisiDir}/cache/
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Verbose = false
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LogFile = ${inquisiDir}/inquisitor.log
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'';
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};
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# Create a setup script to ensure the service directory state
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inquisitorSetup = pkgs.writeShellScriptBin "inquisitor-setup.sh" ''
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# Ensure the service directory and the default source directory
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${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/data/inquisitor/
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${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/sources/
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${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/cache/
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if [ ! -f ${inquisiDir}/data/inquisitor/state ]; then
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${pkgs.coreutils}/bin/echo "{}" > ${inquisiDir}/data/inquisitor/state
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fi
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# Ensure the service owns the folders
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chown -R ${inquisitorUser.name} ${inquisiDir}
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# Ensure the scp helper is present
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if [ -f ${inquisiDir}/scp-helper ]; then
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rm ${inquisiDir}/scp-helper
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fi
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ln -s -t ${inquisiDir} ${scp-helper}/bin/scp-helper
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'';
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# Create a run script for the server
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inquisitorRun = pkgs.writeShellScriptBin "inquisitor-run.sh" ''
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cd ${inquisiDir}
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${inquisitor}/bin/gunicorn \
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--bind=localhost:24133 \
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--workers=4 \
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--timeout 120 \
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--log-level debug \
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"inquisitor.app:wsgi()"
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'';
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# Create a wrapper to execute the cli as the service user
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inquisitorWrapper = pkgs.writeShellScriptBin "inq" ''
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sudo --user=inquisitor ${inquisitor}/bin/inquisitor "$@"
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'';
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in
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{
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users.users.inquisitor = inquisitorUser;
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users.groups.inquisitor = {};
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# Link the config in /etc to avoid envvar shenanigans
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environment.etc."inquisitor.conf".source = "${inquisitorConfig}";
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# Give all users the inq wrapper
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environment.systemPackages = [ inquisitorWrapper ];
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# Allow the sudo in the cli wrapper without password
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security.sudo.extraRules = [{
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commands = [{
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command = "${inquisitor}/bin/inquisitor";
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options = [ "NOPASSWD" ];
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}];
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runAs = "${inquisitorUser.name}";
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groups = [ "users" ];
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}];
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# Run the setup script on activation
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system.activationScripts.inquisitorSetup = "${inquisitorSetup}/bin/inquisitor-setup.sh";
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# Set up the inquisitor service
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systemd.services.inquisitor =
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{
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description = "Inquisitor server";
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script = "${inquisitorRun}/bin/inquisitor-run.sh";
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serviceConfig = {
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User = "${inquisitorUser.name}";
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Type = "simple";
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};
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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enable = true;
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};
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# Set up nginx to reverse proxy from the beatific url to the inq server
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services.nginx.enable = true;
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services.nginx.virtualHosts.inquisitorHost = {
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listen = [ { addr = "10.22.20.1"; port = 80; } ];
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locations."/".extraConfig = ''
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access_log /var/log/nginx/access.inquisitor.log;
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proxy_buffering off;
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proxy_pass http://localhost:24133/;
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'';
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};
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# Allow nginx through the firewall
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networking.firewall = {
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allowedTCPPorts = [
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80 # http
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443 # https
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];
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};
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# Enable cron, but don't set up any system cron jobs
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# Inquisitor updates will be managed manually
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services.cron.enable = true;
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}
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