Implemented docker health check

roles/native-docker-health-check/files/docker-health-check.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Check docker status
+OnFailure=systemd-email@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash /home/administrator/scripts/docker-health-check/docker-health-check.sh

roles/native-docker-health-check/files/docker-health-check.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+docker_ps_grep_unhealthy="$(docker ps | grep unhealthy)"
+if [ -z "$docker_ps_grep_unhealthy" ]
+then 
+   echo "All docker containers are healthy."
+   exit
+else
+   echo "Some docker containers are unhealthy: $docker_ps_grep_unhealthy"
+   exit 1
+fi

roles/native-docker-health-check/files/docker-health-check.timer

@@ -0,0 +1,8 @@
+[Unit]
+Description=starts docker-health-check.service
+
+[Timer]
+OnCalendar=10:00
+
+[Install]
+WantedBy=timers.target