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