fauno
1babe0c7e8
it requires a helper script on the host because swarm doesn't support privileged mode Reviewed-on: #25 Reviewed-by: Danny Groenewegen <247+dannygroenewegen@noreply.git.coopcloud.tech> Co-authored-by: f <f@sutty.nl>
62 lines
1.7 KiB
Bash
Executable File
62 lines
1.7 KiB
Bash
Executable File
#! /bin/bash
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# Adapted from https://github.com/prometheus-community/smartctl_exporter/blob/master/collect-smartctl-json.sh
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# Data directory to dump smartctl output
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# This directory will be created if it doesn't exist
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data_dir="/var/lib/smartmontools/json"
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# The original script used --xall but that doesn't work
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# This matches the command in readSMARTctl()
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smartctl_args="--json --info --health --attributes --tolerance=verypermissive \
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--nocheck=standby --format=brief --log=error"
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# Ignore this devices
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smartctl_ignore_dev_regex="^(/dev/bus)"
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# Determine the json query tool to use
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if command -v jq >/dev/null; then
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json_tool="jq"
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json_args="--raw-output"
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elif command -v yq >/dev/null; then
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json_tool="yq"
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json_args="--unwrapScalar"
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else
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echo -e "One of 'yq' or 'jq' is required. Please try again after \
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installing one of them"
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exit 1
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fi
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if [[ ! "${UID}" -eq 0 ]] && ! command -v sudo >/dev/null; then
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# Not root and sudo doesn't exist
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echo "sudo does not exist. Please run this as root"
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exit 1
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fi
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SUDO="sudo"
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if [[ "${UID}" -eq 0 ]]; then
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# Don't use sudo if root
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SUDO=""
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fi
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[[ ! -d "${data_dir}" ]] && mkdir --parents "${data_dir}"
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if [[ $# -ne 0 ]]; then
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devices="${1}"
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else
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devices="$(smartctl --scan --json | "${json_tool}" "${json_args}" \
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".devices[].name | select(test(\"${smartctl_ignore_dev_regex}\") | not)")"
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mapfile -t devices <<< "${devices[@]}"
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fi
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for device in "${devices[@]}"
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do
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echo -n "Collecting data for '${device}'..."
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# shellcheck disable=SC2086
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data="$($SUDO smartctl ${smartctl_args} ${device})"
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# Accommodate a smartmontools pre-7.3 bug
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data=${data#" Pending defect count:"}
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device_name="$(basename "${device}")"
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echo -e "\tSaving to ${device_name}.json"
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echo "${data}" > "${data_dir}/${device_name}.json"
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done
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