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Enable e-mail services for auto-upgrade

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This commit is contained in:
fruchti 2023-03-07 19:35:34 +01:00
parent 1260f41dbb
commit 99ed3884f8
3 changed files with 87 additions and 79 deletions
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1
options/auto-upgrade.nix
View file

@ -18,6 +18,7 @@ in
};
config = mkIf cfg.enable {
email.enable = true;
systemd.services.nixos-upgrade.script = mkOverride 50 (
let
nixos-rebuild = "${config.system.build.nixos-rebuild}/bin/nixos-rebuild";

21
options/email.nix
View file

@ -1,7 +1,11 @@
{ config, lib, ... }:
with lib;
let
cfg = config.email;
in
{
options.email = {
enable = lib.mkEnableOption "Allow sending system status e-mails via sendmail";
fromAddress = mkOption {
type = types.str;
example = "noreply@example.com";
@ -25,4 +29,21 @@ with lib;
'';
};
};
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 = cfg.fromAddress;
from = cfg.fromAddress;
port = 465;
tls = true;
tls_starttls = false;
};
};
};
}

144
options/status-email.nix
View file

@ -10,86 +10,72 @@ in
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 = lib.mkIf cfg.enable {
email.enable = true;
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
$full_status
ERRMAIL
'';
in
{
unitConfig = {
Description = "Send a status e-mail for %I";
};
serviceConfig = {
Type = "oneshot";
ExecStart = "${sendStatusEmail} %i";
};
};
};
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";
};
};
}