Fix pre-commit hooks and move directories

roles/ and inventory/ are now in playbooks/
also fixed issues reported by ansible-lint

playbooks/roles/healthcheck/files/Dockerfile

@@ -0,0 +1,6 @@
+FROM ubuntu
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt update -y \
+	&& apt install -y curl dnsutils msmtp gettext-base python3-matrix-nio python3-requests

playbooks/roles/healthcheck/files/data/mail

@@ -0,0 +1,17 @@
+#!/usr/bin/sh
+
+cd /opt/ || exit
+
+hc_url="https://hc-ping.com/$MAIL_HC_UID"
+
+alias curl_hc='curl -LA "$USER_AGENT" --retry 3'
+
+envsubst < template.msmtprc > /tmp/msmtprc
+envsubst < mailcheck.template.mail > /tmp/mailcheck.mail
+
+result=$(msmtp -C /tmp/msmtprc -a default "$MAIL_HC_UID@hc-ping.com" < /tmp/mailcheck.mail 2>&1)
+if [ "$?" != "0" ]
+then
+	echo "$result"
+	curl_hc --data-raw "$result" "$hc_url/fail" >/dev/null
+fi

playbooks/roles/healthcheck/files/data/mailcheck.template.mail

@@ -0,0 +1,5 @@
+To: ${MAIL_HC_UID}@hc-ping.com
+From: ${MAIL_USER}
+Subject: Healthcheck
+
+Mailserver alive

playbooks/roles/healthcheck/files/data/matrix

@@ -0,0 +1,43 @@
+#!/usr/bin/python3
+
+import datetime
+import os
+import requests
+import sys
+
+import asyncio
+from nio import AsyncClient, RoomMessageNotice
+
+def send_ping(success, msg=""):
+    url = os.environ['MATRIX_HC_URL']
+    if not success:
+        url += "/fail"
+
+    requests.get(url, data=msg, headers={'user-agent': os.environ['USER_AGENT']})
+
+async def main():
+    try:
+        client = AsyncClient(os.environ['MATRIX_SERVER'])
+        client.access_token = os.environ['MATRIX_TOKEN']
+        client.device_id = os.environ['USER_AGENT']
+        await client.room_send(
+            room_id = os.environ['MATRIX_ROOM'],
+            message_type = "m.room.message",
+            content = {
+                "msgtype": "m.text",
+                "body": "!ping"
+            }
+        )
+    except Exception as e:
+        print(e)
+
+        print("exception during login or sending")
+        send_ping(False, str(e))
+        sys.exit(1)
+    await client.close()
+
+    send_ping(True)
+    sys.exit(0)
+
+
+asyncio.new_event_loop().run_until_complete(main())

playbooks/roles/healthcheck/files/data/template.msmtprc

@@ -0,0 +1,13 @@
+defaults
+auth on
+tls on
+tls_trust_file /etc/ssl/certs/ca-certificates.crt
+logfile /tmp/msmtp.log
+
+account default
+host ${MAIL_HOST}
+port ${MAIL_PORT}
+tls_starttls on
+from ${MAIL_USER}
+user ${MAIL_USER}
+password ${MAIL_PASS}

playbooks/roles/healthcheck/files/healthcheck@.timer

@@ -0,0 +1,4 @@
+[Timer]
+OnCalendar=*:0/5
+[Install]
+WantedBy=timers.target