Add Rupert’s configuration

2023-02-26 16:42:49 +01:00 · 2023-02-26 16:42:49 +01:00 · 2b4264d32d
commit 2b4264d32d
31 changed files with 1742 additions and 0 deletions
--- a/options/status-email.nix
+++ b/options/status-email.nix
@ -0,0 +1,95 @@
+{ pkgs, lib, config, ... }:
+let
+    fromAddress = config.email.fromAddress;
+    fromIdentity = config.email.fromIdentity;
+    toAddress = config.email.adminEmail;
+    cfg = config.services.statusEmail;
+in
+{
+    options.services.statusEmail = {
+        enable = lib.mkEnableOption "Send systemd status e-mails";
+    };
+
+    config.programs.msmtp = lib.mkIf cfg.enable {
+        enable = true;
+        setSendmail = true;
+        accounts = {
+            default = {
+                auth = true;
+                host = "gvfr.de";
+                passwordeval = "cat /secrets/email_password.txt";
+                user = fromAddress;
+                from = fromAddress;
+                port = 465;
+                tls = true;
+                tls_starttls = false;
+            };
+        };
+    };
+
+    config.systemd.services."status-email@" = let
+        sendStatusEmail = pkgs.writeScript "send-status-email" ''
+            #!${pkgs.bash}/bin/bash
+
+            from="${fromIdentity}"
+            to="${toAddress}"
+            service="$1"
+            full_status="$(systemctl status --full --lines 200 "$service")"
+            exit_code="$(echo "$full_status" | head -n5 | tail -1 | sed -e 's/.*status=\(.*\))$/\1/g')"
+            # state="$(systemctl is-failed "$service")"
+
+            fail_priority=1
+            fail_subject="Unit \"$service\" failure report (exit code $exit_code)"
+            success_priority=3
+            success_subject="Unit \"$service\" report (success)"
+
+            shift
+            while [ $# -gt 0 ] ; do
+                case "$1" in
+                    '-s'|'--fail-subject')
+                        fail_subject="$2"
+                        shift 2
+                        ;;
+                    '-p'|'--fail-priority')
+                        fail_priority="$2"
+                        shift 2
+                        ;;
+                    *)
+                        break
+                        ;;
+                esac
+            done
+
+            if [ "$exit_code" != "0/SUCCESS" ] ; then
+                subject="$fail_subject"
+                priority="$fail_priority"
+            else
+                subject="$success_subject"
+                priority="$success_priority"
+            fi
+
+            echo "Sending e-mail \"$subject\" to \"$to\"."
+
+            ${pkgs.system-sendmail}/bin/sendmail -t -X - <<ERRMAIL
+            To: $to
+            From: $from
+            Subject: $subject
+            Content-Transfer-Encoding: 8bit
+            Content-Type: text/plain; charset=UTF-8
+            X-Priority: $priority
+
+            $full_status
+
+            ERRMAIL
+        '';
+    in
+    lib.mkIf cfg.enable {
+        unitConfig = {
+            Description = "Send a status e-mail for %I";
+        };
+        serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${sendStatusEmail} %i";
+        };
+    };
+}