98 lines
3.5 KiB
Bash
Executable File
98 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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# Dependencies: nvme-cli, jq (packages)
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# Based on code from
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# - https://github.com/prometheus/node_exporter/blob/master/text_collector_examples/smartmon.sh
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# - https://github.com/prometheus/node_exporter/blob/master/text_collector_examples/mellanox_hca_temp
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# - https://github.com/vorlon/check_nvme/blob/master/check_nvme.sh
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#
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# Author: Henk <henk@wearespindle.com>
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# Check if we are root
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if [ "$EUID" -ne 0 ]; then
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echo "${0##*/}: Please run as root!" >&2
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exit 1
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fi
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# Check if programs are installed
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if ! command -v nvme >/dev/null 2>&1; then
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echo "${0##*/}: nvme is not installed. Aborting." >&2
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exit 1
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fi
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output_format_awk="$(
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cat <<'OUTPUTAWK'
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BEGIN { v = "" }
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v != $1 {
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print "# HELP nvme_" $1 " SMART metric " $1;
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if ($1 ~ /_total$/)
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print "# TYPE nvme_" $1 " counter";
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else
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print "# TYPE nvme_" $1 " gauge";
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v = $1
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}
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{print "nvme_" $0}
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OUTPUTAWK
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)"
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format_output() {
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sort | awk -F'{' "${output_format_awk}"
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}
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# Get the nvme-cli version
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nvme_version="$(nvme version | awk '$1 == "nvme" {print $3}')"
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echo "nvmecli{version=\"${nvme_version}\"} 1" | format_output
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# Get devices
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device_list="$(nvme list | awk '/^\/dev/{print $1}')"
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# Loop through the NVMe devices
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for device in ${device_list}; do
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json_check="$(nvme smart-log -o json "${device}")"
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disk="$(echo "${device}" | cut -c6-10)"
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# The temperature value in JSON is in Kelvin, we want Celsius
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value_temperature="$(echo "$json_check" | jq '.temperature - 273')"
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echo "temperature_celcius{device=\"${disk}\"} ${value_temperature}"
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value_available_spare="$(echo "$json_check" | jq '.avail_spare / 100')"
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echo "available_spare_ratio{device=\"${disk}\"} ${value_available_spare}"
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value_available_spare_threshold="$(echo "$json_check" | jq '.spare_thresh / 100')"
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echo "available_spare_threshold_ratio{device=\"${disk}\"} ${value_available_spare_threshold}"
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value_percentage_used="$(echo "$json_check" | jq '.percent_used / 100')"
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echo "percentage_used_ratio{device=\"${disk}\"} ${value_percentage_used}"
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value_critical_warning="$(echo "$json_check" | jq '.critical_warning')"
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echo "critical_warning_total{device=\"${disk}\"} ${value_critical_warning}"
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value_media_errors="$(echo "$json_check" | jq '.media_errors')"
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echo "media_errors_total{device=\"${disk}\"} ${value_media_errors}"
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value_num_err_log_entries="$(echo "$json_check" | jq '.num_err_log_entries')"
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echo "num_err_log_entries_total{device=\"${disk}\"} ${value_num_err_log_entries}"
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value_power_cycles="$(echo "$json_check" | jq '.power_cycles')"
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echo "power_cycles_total{device=\"${disk}\"} ${value_power_cycles}"
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value_power_on_hours="$(echo "$json_check" | jq '.power_on_hours')"
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echo "power_on_hours_total{device=\"${disk}\"} ${value_power_on_hours}"
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value_controller_busy_time="$(echo "$json_check" | jq '.controller_busy_time')"
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echo "controller_busy_time_seconds{device=\"${disk}\"} ${value_controller_busy_time}"
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value_data_units_written="$(echo "$json_check" | jq '.data_units_written')"
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echo "data_units_written_total{device=\"${disk}\"} ${value_data_units_written}"
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value_data_units_read="$(echo "$json_check" | jq '.data_units_read')"
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echo "data_units_read_total{device=\"${disk}\"} ${value_data_units_read}"
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value_host_read_commands="$(echo "$json_check" | jq '.host_read_commands')"
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echo "host_read_commands_total{device=\"${disk}\"} ${value_host_read_commands}"
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value_host_write_commands="$(echo "$json_check" | jq '.host_write_commands')"
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echo "host_write_commands_total{device=\"${disk}\"} ${value_host_write_commands}"
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done | format_output
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