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55 lines
1.6 KiB
Bash
Executable File
55 lines
1.6 KiB
Bash
Executable File
#!/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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