From 51a5e4362eb85d7a743da2c28d46e12fcfce59a4 Mon Sep 17 00:00:00 2001
From: Andy Grunwald <andy.grunwald@aiven.io>
Date: Mon, 6 Jan 2025 17:07:02 +0100
Subject: [PATCH] Alertmanager: Change the way how the systemd unit file is
 written to disk

Co-authored-by: Michel Roegl-Brunner <73236783+michelroegl-brunner@users.noreply.github.com>
---
 install/prometheus-alertmanager-install.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/install/prometheus-alertmanager-install.sh b/install/prometheus-alertmanager-install.sh
index 824bba3d..10d20c7b 100644
--- a/install/prometheus-alertmanager-install.sh
+++ b/install/prometheus-alertmanager-install.sh
@@ -33,7 +33,7 @@ echo "${RELEASE}" >/opt/${APPLICATION}_version.txt
 msg_ok "Installed Prometheus Alertmanager"
 
 msg_info "Creating Service"
-service_path="/etc/systemd/system/prometheus-alertmanager.service"
+cat <<EOF >/etc/systemd/system/prometheus-alertmanager.service
 echo "[Unit]
 Description=Prometheus Alertmanager
 Wants=network-online.target
@@ -50,7 +50,8 @@ ExecStart=/usr/local/bin/alertmanager \
 ExecReload=/bin/kill -HUP \$MAINPID
 
 [Install]
-WantedBy=multi-user.target" >$service_path
+WantedBy=multi-user.target"
+EOF
 systemctl enable -q --now prometheus-alertmanager
 msg_ok "Created Service"