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60 lines
1.7 KiB
60 lines
1.7 KiB
#!/bin/bash
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set -eu
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# Script to read Mellanox HCA temperature using the Mellanox mget_temp_ext tool
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# Copyright 2018 The Prometheus Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Author: Jan Phillip Greimann <jan.greimann@cloud.ionos.com>
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# check if 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 mget_temp_ext >/dev/null 2>&1; then
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echo "${0##*/}: mget_temp_ext is not installed. Aborting." >&2
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exit 1
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fi
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cat <<EOF
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# HELP node_infiniband_hca_temp_celsius Celsius temperature of Mellanox InfiniBand HCA.
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# TYPE node_infiniband_hca_temp_celsius gauge
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EOF
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# run for each found Mellanox device
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for dev in /sys/class/infiniband/*; do
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if test ! -d "$dev"; then
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continue
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fi
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device="${dev##*/}"
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# get temperature
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if temperature="$(mget_temp_ext -d "${device}")"; then
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# output
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echo "node_infiniband_hca_temp_celsius{hca_device=\"${device}\"} ${temperature//[[:space:]]/}"
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else
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echo "${0##*/}: Failed to get temperature from InfiniBand HCA '${device}'!" >&2
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fi
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done
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# if device is empty, no device was found
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if [ -z "${device-}" ]; then
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echo "${0##*/}: No InfiniBand HCA device found!" >&2
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exit 1
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fi
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