Added basic Monitoring

script/monitor/checks/GENERIC_NGINX_CHECK.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+_SERVER="${1:?"FQDN of server missing"}"
+_PORT="${2:-"22"}"
+_USER="monitoring"
+
+#grep:
+# -F                         Use fixed text, no regexp which has to be interpreted
+
+#cut:
+# -d                         Delimiter, marker where to cut (here ;)
+# -f                         Index of column to show (One based, so there is no -f0)
+_RESULT="$(ssh -p "${_PORT}" "${_USER}"@"${_SERVER}" 'systemctl status nginx.service' | grep -F Active: | grep -F running | cut -d';' -f2)"
+! [ -z "${_RESULT}" ] && echo "OK#UPTIME:${_RESULT}" || echo "FAIL"

script/monitor/checks/GENERIC_PING_CHECK.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+_SERVER="${1:?"FQDN of server missing"}"
+
+# -4                         Use IPv4
+# -W            SECONDS      Wait seconds for an answer
+# -c            COUNT_VALUE  Count of pings being executed
+_RESULT="$(ping -4 -W 1 -c 1 "${_SERVER}" | grep "time=" | cut -d'=' -f4)"
+! [ -z "${_RESULT}" ] && echo "OK#RTT: ${_RESULT}" || echo "FAIL#PLEASE USE FALLBACK!"

script/monitor/checks/GENERIC_POOL_SIZE_CHECK.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+SERVER="${1:?"FQDN of server missing"}"
+FILE="pool-size.txt"
+
+# --connect-timeout SECONDS  Maximum time allowed for connection
+# -k                         Allow connections to SSL sites without certs (H)
+# -L                         Follow redirects (H)
+# --max-time        SECONDS  Maximum time allowed for the transfer
+# -s                         Silent mode. Don't output anything
+# -f                         Fail fast with no output on HTTP errors (otherwise no exit-code > 0 on 404)
+RESULT="$(curl --connect-timeout 10 --max-time 10 -k -s -f https://$SERVER/monitoring/$FILE || echo WARN#404 on $FILE check HTTPS)"
+echo $RESULT

script/monitor/checks/GENERIC_REMOTECHECK

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# --connect-timeout SECONDS  Maximum time allowed for connection
+# -k                         Allow connections to SSL sites without certs (H)
+# -L                         Follow redirects (H)
+# --max-time        SECONDS  Maximum time allowed for the transfer
+# -s                         Silent mode. Don't output anything
+URL="${1:?"URL missing"}"
+RESULTS="$(curl  --connect-timeout 10 --max-time 10 -k -s "$URL" 2>/dev/null)"
+CURTIME="$[ $(date +%s) - 10 * 60 ]"
+TIME="$(echo "$RESULTS" | tail -n 1)"
+if (echo $TIME | grep -E "[^0-9"] > /dev/null); then echo "FAIL"; exit; fi
+RES="$(([ "$CURTIME" -gt "$TIME" ] && echo "TIMEOUT") || (echo "$RESULTS" | head -n 1))"
+echo $RES
+echo "$RESULTS" | tail -n +2 | head -n -1
+
+

script/monitor/checks/GENERIC_URL_CHECK.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+_URL="${1:?"URL of site missing"}"
+
+#curl:
+# --connect-timeout SECONDS  Maximum time allowed for connection
+# -k                         Allow connections to SSL sites without certs (H)
+# -L                         Follow redirects (H)
+# --max-time        SECONDS  Maximum time allowed for the transfer
+# -s                         Silent mode. Don't output anything
+# --head                     Show head information only
+# --no-progress-meter        Clean output for grep
+
+#grep:
+# -q                         Quite, no output just status codes
+# -F                         Interpret search term as plain text
+((curl --connect-timeout 10 --max-time 10 -k -s --head --no-progress-meter "${_URL}" | grep -qF '200 OK') && echo OK) || echo FAIL