mirror of
https://github.com/prometheus/node_exporter.git
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177 lines
11 KiB
Go
177 lines
11 KiB
Go
// Copyright 2017-2019 The Prometheus Authors
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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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//go:build linux && !noinfiniband
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// +build linux,!noinfiniband
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package collector
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import (
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"errors"
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"fmt"
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"os"
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"strconv"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/procfs/sysfs"
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)
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type infinibandCollector struct {
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fs sysfs.FS
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metricDescs map[string]*prometheus.Desc
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logger log.Logger
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subsystem string
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}
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func init() {
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registerCollector("infiniband", defaultEnabled, NewInfiniBandCollector)
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}
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// NewInfiniBandCollector returns a new Collector exposing InfiniBand stats.
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func NewInfiniBandCollector(logger log.Logger) (Collector, error) {
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var i infinibandCollector
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var err error
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i.fs, err = sysfs.NewFS(*sysPath)
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if err != nil {
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return nil, fmt.Errorf("failed to open sysfs: %w", err)
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}
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i.logger = logger
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// Detailed description for all metrics.
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descriptions := map[string]string{
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"legacy_multicast_packets_received_total": "Number of multicast packets received",
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"legacy_multicast_packets_transmitted_total": "Number of multicast packets transmitted",
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"legacy_data_received_bytes_total": "Number of data octets received on all links",
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"legacy_packets_received_total": "Number of data packets received on all links",
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"legacy_unicast_packets_received_total": "Number of unicast packets received",
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"legacy_unicast_packets_transmitted_total": "Number of unicast packets transmitted",
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"legacy_data_transmitted_bytes_total": "Number of data octets transmitted on all links",
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"legacy_packets_transmitted_total": "Number of data packets received on all links",
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"excessive_buffer_overrun_errors_total": "Number of times that OverrunErrors consecutive flow control update periods occurred, each having at least one overrun error.",
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"link_downed_total": "Number of times the link failed to recover from an error state and went down",
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"link_error_recovery_total": "Number of times the link successfully recovered from an error state",
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"local_link_integrity_errors_total": "Number of times that the count of local physical errors exceeded the threshold specified by LocalPhyErrors.",
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"multicast_packets_received_total": "Number of multicast packets received (including errors)",
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"multicast_packets_transmitted_total": "Number of multicast packets transmitted (including errors)",
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"physical_state_id": "Physical state of the InfiniBand port (0: no change, 1: sleep, 2: polling, 3: disable, 4: shift, 5: link up, 6: link error recover, 7: phytest)",
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"port_constraint_errors_received_total": "Number of packets received on the switch physical port that are discarded",
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"port_constraint_errors_transmitted_total": "Number of packets not transmitted from the switch physical port",
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"port_data_received_bytes_total": "Number of data octets received on all links",
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"port_data_transmitted_bytes_total": "Number of data octets transmitted on all links",
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"port_discards_received_total": "Number of inbound packets discarded by the port because the port is down or congested",
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"port_discards_transmitted_total": "Number of outbound packets discarded by the port because the port is down or congested",
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"port_errors_received_total": "Number of packets containing an error that were received on this port",
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"port_packets_received_total": "Number of packets received on all VLs by this port (including errors)",
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"port_packets_transmitted_total": "Number of packets transmitted on all VLs from this port (including errors)",
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"port_transmit_wait_total": "Number of ticks during which the port had data to transmit but no data was sent during the entire tick",
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"rate_bytes_per_second": "Maximum signal transfer rate",
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"state_id": "State of the InfiniBand port (0: no change, 1: down, 2: init, 3: armed, 4: active, 5: act defer)",
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"unicast_packets_received_total": "Number of unicast packets received (including errors)",
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"unicast_packets_transmitted_total": "Number of unicast packets transmitted (including errors)",
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"port_receive_remote_physical_errors_total": "Number of packets marked with the EBP (End of Bad Packet) delimiter received on the port.",
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"port_receive_switch_relay_errors_total": "Number of packets that could not be forwarded by the switch.",
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"symbol_error_total": "Number of minor link errors detected on one or more physical lanes.",
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"vl15_dropped_total": "Number of incoming VL15 packets dropped due to resource limitations.",
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}
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i.metricDescs = make(map[string]*prometheus.Desc)
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i.subsystem = "infiniband"
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for metricName, description := range descriptions {
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i.metricDescs[metricName] = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, i.subsystem, metricName),
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description,
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[]string{"device", "port"},
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nil,
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)
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}
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return &i, nil
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}
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func (c *infinibandCollector) pushMetric(ch chan<- prometheus.Metric, name string, value uint64, deviceName string, port string, valueType prometheus.ValueType) {
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ch <- prometheus.MustNewConstMetric(c.metricDescs[name], valueType, float64(value), deviceName, port)
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}
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func (c *infinibandCollector) pushCounter(ch chan<- prometheus.Metric, name string, value *uint64, deviceName string, port string) {
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if value != nil {
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c.pushMetric(ch, name, *value, deviceName, port, prometheus.CounterValue)
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}
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}
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func (c *infinibandCollector) Update(ch chan<- prometheus.Metric) error {
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devices, err := c.fs.InfiniBandClass()
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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level.Debug(c.logger).Log("msg", "infiniband statistics not found, skipping")
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return ErrNoData
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}
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return fmt.Errorf("error obtaining InfiniBand class info: %w", err)
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}
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for _, device := range devices {
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infoDesc := prometheus.NewDesc(
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prometheus.BuildFQName(namespace, c.subsystem, "info"),
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"Non-numeric data from /sys/class/infiniband/<device>, value is always 1.",
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[]string{"device", "board_id", "firmware_version", "hca_type"},
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nil,
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)
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infoValue := 1.0
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ch <- prometheus.MustNewConstMetric(infoDesc, prometheus.GaugeValue, infoValue, device.Name, device.BoardID, device.FirmwareVersion, device.HCAType)
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for _, port := range device.Ports {
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portStr := strconv.FormatUint(uint64(port.Port), 10)
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c.pushMetric(ch, "state_id", uint64(port.StateID), port.Name, portStr, prometheus.GaugeValue)
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c.pushMetric(ch, "physical_state_id", uint64(port.PhysStateID), port.Name, portStr, prometheus.GaugeValue)
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c.pushMetric(ch, "rate_bytes_per_second", port.Rate, port.Name, portStr, prometheus.GaugeValue)
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c.pushCounter(ch, "legacy_multicast_packets_received_total", port.Counters.LegacyPortMulticastRcvPackets, port.Name, portStr)
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c.pushCounter(ch, "legacy_multicast_packets_transmitted_total", port.Counters.LegacyPortMulticastXmitPackets, port.Name, portStr)
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c.pushCounter(ch, "legacy_data_received_bytes_total", port.Counters.LegacyPortRcvData64, port.Name, portStr)
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c.pushCounter(ch, "legacy_packets_received_total", port.Counters.LegacyPortRcvPackets64, port.Name, portStr)
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c.pushCounter(ch, "legacy_unicast_packets_received_total", port.Counters.LegacyPortUnicastRcvPackets, port.Name, portStr)
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c.pushCounter(ch, "legacy_unicast_packets_transmitted_total", port.Counters.LegacyPortUnicastXmitPackets, port.Name, portStr)
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c.pushCounter(ch, "legacy_data_transmitted_bytes_total", port.Counters.LegacyPortXmitData64, port.Name, portStr)
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c.pushCounter(ch, "legacy_packets_transmitted_total", port.Counters.LegacyPortXmitPackets64, port.Name, portStr)
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c.pushCounter(ch, "excessive_buffer_overrun_errors_total", port.Counters.ExcessiveBufferOverrunErrors, port.Name, portStr)
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c.pushCounter(ch, "link_downed_total", port.Counters.LinkDowned, port.Name, portStr)
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c.pushCounter(ch, "link_error_recovery_total", port.Counters.LinkErrorRecovery, port.Name, portStr)
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c.pushCounter(ch, "local_link_integrity_errors_total", port.Counters.LocalLinkIntegrityErrors, port.Name, portStr)
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c.pushCounter(ch, "multicast_packets_received_total", port.Counters.MulticastRcvPackets, port.Name, portStr)
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c.pushCounter(ch, "multicast_packets_transmitted_total", port.Counters.MulticastXmitPackets, port.Name, portStr)
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c.pushCounter(ch, "port_constraint_errors_received_total", port.Counters.PortRcvConstraintErrors, port.Name, portStr)
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c.pushCounter(ch, "port_constraint_errors_transmitted_total", port.Counters.PortXmitConstraintErrors, port.Name, portStr)
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c.pushCounter(ch, "port_data_received_bytes_total", port.Counters.PortRcvData, port.Name, portStr)
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c.pushCounter(ch, "port_data_transmitted_bytes_total", port.Counters.PortXmitData, port.Name, portStr)
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c.pushCounter(ch, "port_discards_received_total", port.Counters.PortRcvDiscards, port.Name, portStr)
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c.pushCounter(ch, "port_discards_transmitted_total", port.Counters.PortXmitDiscards, port.Name, portStr)
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c.pushCounter(ch, "port_errors_received_total", port.Counters.PortRcvErrors, port.Name, portStr)
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c.pushCounter(ch, "port_packets_received_total", port.Counters.PortRcvPackets, port.Name, portStr)
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c.pushCounter(ch, "port_packets_transmitted_total", port.Counters.PortXmitPackets, port.Name, portStr)
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c.pushCounter(ch, "port_transmit_wait_total", port.Counters.PortXmitWait, port.Name, portStr)
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c.pushCounter(ch, "unicast_packets_received_total", port.Counters.UnicastRcvPackets, port.Name, portStr)
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c.pushCounter(ch, "unicast_packets_transmitted_total", port.Counters.UnicastXmitPackets, port.Name, portStr)
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c.pushCounter(ch, "port_receive_remote_physical_errors_total", port.Counters.PortRcvRemotePhysicalErrors, port.Name, portStr)
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c.pushCounter(ch, "port_receive_switch_relay_errors_total", port.Counters.PortRcvSwitchRelayErrors, port.Name, portStr)
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c.pushCounter(ch, "symbol_error_total", port.Counters.SymbolError, port.Name, portStr)
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c.pushCounter(ch, "vl15_dropped_total", port.Counters.VL15Dropped, port.Name, portStr)
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}
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}
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return nil
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}
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