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generic checks
This commit is contained in:
Martin Berghaus
@@ -1,65 +0,0 @@
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#!/bin/bash
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_REMOTE_HOST="${1:?"FQDN of server missing: e.g. host.example.net[:port]"}"
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_REMOTE_PORT="${_REMOTE_HOST}:"
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_REMOTE_PORT="${_REMOTE_PORT#*:}"
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_REMOTE_PORT="${_REMOTE_PORT%%:*}"
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_REMOTE_PORT="${_REMOTE_PORT:-"22"}"
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_REMOTE_USER="monitoring"
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_SOCKET='~/.ssh/%r@%h:%p'
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function checkViaHTTP() {
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_STATUS="$(curl -I http://${_REMOTE_HOST} 2>/dev/null | head -n 1 | cut -d$' ' -f2)"
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[ "${_STATUS}" == "200" ] \
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&& echo "OK" \
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&& return 0
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return 1
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}
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function checkViaHTTPS() {
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_STATUS="$(curl -k -I https://${_REMOTE_HOST} 2>/dev/null | head -n 1 | cut -d$' ' -f2)"
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[ "${_STATUS}" == "200" ] \
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&& echo "OK" \
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&& return 0
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return 1
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}
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function checkOrStartSSHMaster() {
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timeout --preserve-status 1 "ssh -O check -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST}" &> /dev/null \
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&& return 0
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ssh -O stop -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST} &> /dev/null
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ssh -o ControlMaster=auto \
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-o ControlPath=${_SOCKET} \
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-o ControlPersist=65 \
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-p ${_REMOTE_PORT} \
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-f ${_REMOTE_USER}@${_REMOTE_HOST} exit &> /dev/null \
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&& return 0
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echo "Fail: checkOrStartMaster()"
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return 1
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}
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#grep:
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# -E Use regexp, '.*' => any chars between 'Active:' and '(running)', the round brackets are escaped.
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#cut:
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# -d Delimiter, marker where to cut (here ;)
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# -f Index of column to show (One based, so there is no -f0)
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function checkViaSSH() {
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checkOrStartSSHMaster \
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|| return 1
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_RESULT=$(ssh -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST} 'systemctl status nginx.service' | grep -E 'Active:.*\(running\)' | cut -d';' -f2)
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! [ -z "${_RESULT}" ] && echo "INFO#UPTIME:${_RESULT}" || echo "FAIL"
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}
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#checkViaHTTP && exit 0
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#checkViaHTTPS && exit 0
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checkViaSSH && exit 0
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exit 1
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@@ -1,9 +0,0 @@
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#!/bin/bash
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_SERVER="${1:?"FQDN of server missing"}"
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# -4 Use IPv4
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# -W SECONDS Wait seconds for an answer
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# -c COUNT_VALUE Count of pings being executed
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_RESULT="$(ping -4 -W 1 -c 1 "${_SERVER}" | grep "time=" | cut -d'=' -f4)"
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! [ -z "${_RESULT}" ] && echo "OK#RTT: ${_RESULT}" || echo "FAIL#PLEASE USE FALLBACK!"
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@@ -1,17 +0,0 @@
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#!/bin/bash
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# --connect-timeout SECONDS Maximum time allowed for connection
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# -k Allow connections to SSL sites without certs (H)
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# -L Follow redirects (H)
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# --max-time SECONDS Maximum time allowed for the transfer
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# -s Silent mode. Don't output anything
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URL="${1:?"URL missing"}"
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RESULTS="$(curl --connect-timeout 10 --max-time 10 -k -s "$URL" 2>/dev/null)"
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CURTIME="$[ $(date +%s) - 10 * 60 ]"
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TIME="$(echo "$RESULTS" | tail -n 1)"
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if (echo $TIME | grep -E "[^0-9"] > /dev/null); then echo "FAIL"; exit; fi
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RES="$(([ "$CURTIME" -gt "$TIME" ] && echo "TIMEOUT") || (echo "$RESULTS" | head -n 1))"
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echo $RES
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echo "$RESULTS" | tail -n +2 | head -n -1
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@@ -1,17 +0,0 @@
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#!/bin/bash
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_URL="${1:?"URL of site missing"}"
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#curl:
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# --connect-timeout SECONDS Maximum time allowed for connection
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# -k Allow connections to SSL sites without certs (H)
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# -L Follow redirects (H)
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# --max-time SECONDS Maximum time allowed for the transfer
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# -s Silent mode. Don't output anything
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# --head Show head information only
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# --no-progress-meter Clean output for grep
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#grep:
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# -q Quite, no output just status codes
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# -F Interpret search term as plain text
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((curl --connect-timeout 10 --max-time 10 -k -s --head --no-progress-meter "${_URL}" | grep -qF '200 OK') && echo OK) || echo FAIL
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@@ -1,54 +0,0 @@
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#!/bin/bash
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_REMOTE_HOST="${1:?"FQDN of server missing: e.g. host.example.net[:port]"}"
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_REMOTE_PORT="${_REMOTE_HOST}:"
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_REMOTE_PORT="${_REMOTE_PORT#*:}"
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_REMOTE_PORT="${_REMOTE_PORT%%:*}"
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_REMOTE_PORT="${_REMOTE_PORT:-"22"}"
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_REMOTE_USER="monitoring"
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_SOCKET='~/.ssh/%r@%h:%p'
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function checkOrStartSSHMaster() {
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timeout --preserve-status 1 "ssh -O check -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST}" &> /dev/null \
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&& echo "master checked" \
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&& return 0
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ssh -O stop -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST} &> /dev/null
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ssh -o ControlMaster=auto \
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-o ControlPath=${_SOCKET} \
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-o ControlPersist=65 \
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-p ${_REMOTE_PORT} \
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-f ${_REMOTE_USER}@${_REMOTE_HOST} exit &> /dev/null \
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&& return 0
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echo "Fail: checkOrStartMaster()"
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return 1
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}
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function testSpace(){
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checkOrStartSSHMaster \
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|| return 1
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local _RESULT="$(ssh -S ${_SOCKET} -p ${_REMOTE_PORT} ${_REMOTE_USER}@${_REMOTE_HOST} 'zpool list -H -o capacity,name')"
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local _SPACE_USED=$(echo "${_RESULT}" | /usr/bin/tail -n 1 | /usr/bin/cut -f1)
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local _POOL=$(echo "${_RESULT}" | /usr/bin/tail -n 1 | /usr/bin/cut -f2)
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[ -z "${_SPACE_USED}" ] \
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&& echo "FAIL#NO value" \
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&& return 0
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[ "${1:?"Missing OK_THRESHOLD"}" -ge "${_SPACE_USED%\%*}" ] \
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&& echo "OK#${_SPACE_USED} used ${_POOL}." \
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&& return 0
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[ "${2:?"Missing INFO_THRESHOLD"}" -ge "${_SPACE_USED%\%*}" ] \
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&& echo "INFO#${_SPACE_USED} already used ${_POOL}." \
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&& return 0
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echo "FAIL#${_SPACE_USED} used ${_POOL}!"
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return 0
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}
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testSpace 80 90 && exit 0
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exit 1
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