From c54aa25f3460e0d08ac4f66621e639a2b46ccc6d Mon Sep 17 00:00:00 2001
From: Michel Jonathan Schmitz <michel.jonathan.schmitz@its.thm.de>
Date: Tue, 3 Nov 2020 12:53:37 +0100
Subject: [PATCH] feat: add systemd service examples

---
 config/RECIPIENTS                        |  1 +
 systemd/stapps-proxy.service             | 23 +++++++++++++++++++++++
 systemd/stapps-unit-status-mail.sh       | 22 ++++++++++++++++++++++
 systemd/stapps-unit-status-mail@.service |  7 +++++++
 4 files changed, 53 insertions(+)
 create mode 100644 config/RECIPIENTS
 create mode 100644 systemd/stapps-proxy.service
 create mode 100755 systemd/stapps-unit-status-mail.sh
 create mode 100644 systemd/stapps-unit-status-mail@.service

diff --git a/config/RECIPIENTS b/config/RECIPIENTS
new file mode 100644
index 00000000..e680ab4c
--- /dev/null
+++ b/config/RECIPIENTS
@@ -0,0 +1 @@
+your.mail@address.heres
\ No newline at end of file
diff --git a/systemd/stapps-proxy.service b/systemd/stapps-proxy.service
new file mode 100644
index 00000000..36d0b008
--- /dev/null
+++ b/systemd/stapps-proxy.service
@@ -0,0 +1,23 @@
+[Unit]
+Description=@openstapps/proxy
+Documentation=https://gitlab.com/openstapps/proxy
+After=network-online.target
+Requires=network-online.target
+OnFailure=stapps-unit-status-mail@%n.service
+
+[Service]
+ExecStart=/usr/bin/env docker run --rm --net="host" \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v /opt/stapps-compose/proxy/ssl/chain.crt:/etc/nginx/certs/ssl.crt \
+  -v /opt/stapps-compose/proxy/ssl/private.key:/etc/nginx/certs/ssl.key \
+  -v /opt/stapps-compose/proxy/static:/static \
+  registry.gitlab.com/openstapps/proxy/master
+StartLimitBurst=2
+StartLimitIntervalSec=100s
+Restart=always
+RestartSec=20s
+WorkingDirectory=/opt/stapps-compose/proxy
+User=root
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/stapps-unit-status-mail.sh b/systemd/stapps-unit-status-mail.sh
new file mode 100755
index 00000000..645f4390
--- /dev/null
+++ b/systemd/stapps-unit-status-mail.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+MAILTO=`cat ../config/RECIPIENTS`
+UNIT=$1
+
+EXTRA=""
+for e in "${@:2}"; do
+  EXTRA+="$e"$'\n'
+done
+
+UNITSTATUS=$(systemctl status --lines=50 $UNIT)
+
+ssmtp $MAILTO <<EndOfMessage
+To:$MAILTO
+Subject:Status mail for unit: $UNIT
+
+Status report for unit: $UNIT
+$EXTRA
+
+$UNITSTATUS
+EndOfMessage
+
+echo -e "Status mail sent to: $MAILTO for unit: $UNIT"
diff --git a/systemd/stapps-unit-status-mail@.service b/systemd/stapps-unit-status-mail@.service
new file mode 100644
index 00000000..81b2bf2d
--- /dev/null
+++ b/systemd/stapps-unit-status-mail@.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=Unit Status Mailer Service
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/opt/stapps-compose/proxy/systemd/stapps-unit-status-mail.sh %I "Hostname: %H" "Machine ID: %m" "Boot ID: %b"