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Motiejus Jakštys
2024-07-29 15:39:54 +03:00
parent 3da42ead11
commit 9ea80639a3
51 changed files with 2040 additions and 1758 deletions
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69
modules/base/unitstatus/default.nix
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@@ -3,55 +3,58 @@
lib,
pkgs,
...
}: {
}:
{
# TODO:
# - assert postfix is configured
options.mj.base.unitstatus = with lib.types; {
enable = lib.mkEnableOption "alert by email on unit failure";
email = lib.mkOption {type = str;};
email = lib.mkOption { type = str; };
units = lib.mkOption {
type = listOf str;
default = [];
default = [ ];
};
};
config = lib.mkIf config.mj.base.unitstatus.enable {
systemd.services =
{
"unit-status-mail@" = let
# https://northernlightlabs.se/2014-07-05/systemd-status-mail-on-unit-failure.html
script = pkgs.writeShellScript "unit-status-mail" ''
set -e
MAILTO="${config.mj.base.unitstatus.email}"
UNIT=$1
EXTRA=""
for e in "''${@:2}"; do
EXTRA+="$e"$'\n'
done
UNITSTATUS=$(${pkgs.systemd}/bin/systemctl status "$UNIT" || :)
${pkgs.postfix}/bin/sendmail $MAILTO <<EOF
Subject:Status mail for unit: $UNIT
"unit-status-mail@" =
let
# https://northernlightlabs.se/2014-07-05/systemd-status-mail-on-unit-failure.html
script = pkgs.writeShellScript "unit-status-mail" ''
set -e
MAILTO="${config.mj.base.unitstatus.email}"
UNIT=$1
EXTRA=""
for e in "''${@:2}"; do
EXTRA+="$e"$'\n'
done
UNITSTATUS=$(${pkgs.systemd}/bin/systemctl status "$UNIT" || :)
${pkgs.postfix}/bin/sendmail $MAILTO <<EOF
Subject:Status mail for unit: $UNIT
Status report for unit: $UNIT
$EXTRA
Status report for unit: $UNIT
$EXTRA
$UNITSTATUS
EOF
$UNITSTATUS
EOF
echo -e "Status mail sent to: $MAILTO for unit: $UNIT"
'';
in {
description = "Send an email on unit failure";
serviceConfig = {
Type = "simple";
ExecStart = ''${script} "%i" "Hostname: %H" "Machine ID: %m" "Boot ID: %b" '';
echo -e "Status mail sent to: $MAILTO for unit: $UNIT"
'';
in
{
description = "Send an email on unit failure";
serviceConfig = {
Type = "simple";
ExecStart = ''${script} "%i" "Hostname: %H" "Machine ID: %m" "Boot ID: %b" '';
};
};
};
}
// lib.genAttrs config.mj.base.unitstatus.units (
unit: {
unitConfig = {OnFailure = "unit-status-mail@${unit}.service";};
}
);
// lib.genAttrs config.mj.base.unitstatus.units (unit: {
unitConfig = {
OnFailure = "unit-status-mail@${unit}.service";
};
});
};
}