mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-03 15:31:05 +01:00
332232c22c
Signed-off-by: Gavin Lam <gavin.oss@tutamail.com>
229 lines
9.5 KiB
Go
229 lines
9.5 KiB
Go
// Copyright 2023 The Prometheus Authors
|
||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
// you may not use this file except in compliance with the License.
|
||
// You may obtain a copy of the License at
|
||
//
|
||
// http://www.apache.org/licenses/LICENSE-2.0
|
||
//
|
||
// Unless required by applicable law or agreed to in writing, software
|
||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
// See the License for the specific language governing permissions and
|
||
// limitations under the License.
|
||
|
||
//go:build !noxfrm
|
||
// +build !noxfrm
|
||
|
||
package collector
|
||
|
||
import (
|
||
"fmt"
|
||
|
||
"github.com/go-kit/log"
|
||
"github.com/prometheus/client_golang/prometheus"
|
||
"github.com/prometheus/procfs"
|
||
)
|
||
|
||
type xfrmCollector struct {
|
||
fs procfs.FS
|
||
logger log.Logger
|
||
}
|
||
|
||
func init() {
|
||
registerCollector("xfrm", defaultDisabled, NewXfrmCollector)
|
||
}
|
||
|
||
// NewXfrmCollector returns a new Collector exposing XFRM stats.
|
||
func NewXfrmCollector(logger log.Logger) (Collector, error) {
|
||
fs, err := procfs.NewFS(*procPath)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("failed to open procfs: %w", err)
|
||
}
|
||
|
||
return &xfrmCollector{
|
||
fs: fs,
|
||
logger: logger,
|
||
}, nil
|
||
}
|
||
|
||
var (
|
||
xfrmInErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_error_packets_total"),
|
||
"All errors not matched by other",
|
||
nil, nil,
|
||
)
|
||
xfrmInBufferErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_buffer_error_packets_total"),
|
||
"No buffer is left",
|
||
nil, nil,
|
||
)
|
||
xfrmInHdrErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_hdr_error_packets_total"),
|
||
"Header error",
|
||
nil, nil,
|
||
)
|
||
xfrmInNoStatesDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_no_states_packets_total"),
|
||
"No state is found i.e. Either inbound SPI, address, or IPsec protocol at SA is wrong",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateProtoErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_proto_error_packets_total"),
|
||
"Transformation protocol specific error e.g. SA key is wrong",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateModeErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_mode_error_packets_total"),
|
||
"Transformation mode specific error",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateSeqErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_seq_error_packets_total"),
|
||
"Sequence error i.e. Sequence number is out of window",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateExpiredDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_expired_packets_total"),
|
||
"State is expired",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateMismatchDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_mismatch_packets_total"),
|
||
"State has mismatch option e.g. UDP encapsulation type is mismatch",
|
||
nil, nil,
|
||
)
|
||
xfrmInStateInvalidDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_state_invalid_packets_total"),
|
||
"State is invalid",
|
||
nil, nil,
|
||
)
|
||
xfrmInTmplMismatchDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_tmpl_mismatch_packets_total"),
|
||
"No matching template for states e.g. Inbound SAs are correct but SP rule is wrong",
|
||
nil, nil,
|
||
)
|
||
xfrmInNoPolsDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_no_pols_packets_total"),
|
||
"No policy is found for states e.g. Inbound SAs are correct but no SP is found",
|
||
nil, nil,
|
||
)
|
||
xfrmInPolBlockDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_pol_block_packets_total"),
|
||
"Policy discards",
|
||
nil, nil,
|
||
)
|
||
xfrmInPolErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "in_pol_error_packets_total"),
|
||
"Policy error",
|
||
nil, nil,
|
||
)
|
||
xfrmOutErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_error_packets_total"),
|
||
"All errors which is not matched others",
|
||
nil, nil,
|
||
)
|
||
xfrmOutBundleGenErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_bundle_gen_error_packets_total"),
|
||
"Bundle generation error",
|
||
nil, nil,
|
||
)
|
||
xfrmOutBundleCheckErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_bundle_check_error_packets_total"),
|
||
"Bundle check error",
|
||
nil, nil,
|
||
)
|
||
xfrmOutNoStatesDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_no_states_packets_total"),
|
||
"No state is found",
|
||
nil, nil,
|
||
)
|
||
xfrmOutStateProtoErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_state_proto_error_packets_total"),
|
||
"Transformation protocol specific error",
|
||
nil, nil,
|
||
)
|
||
xfrmOutStateModeErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_state_mode_error_packets_total"),
|
||
"Transformation mode specific error",
|
||
nil, nil,
|
||
)
|
||
xfrmOutStateSeqErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_state_seq_error_packets_total"),
|
||
"Sequence error i.e. Sequence number overflow",
|
||
nil, nil,
|
||
)
|
||
xfrmOutStateExpiredDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_state_expired_packets_total"),
|
||
"State is expired",
|
||
nil, nil,
|
||
)
|
||
xfrmOutPolBlockDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_pol_block_packets_total"),
|
||
"Policy discards",
|
||
nil, nil,
|
||
)
|
||
xfrmOutPolDeadDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_pol_dead_packets_total"),
|
||
"Policy is dead",
|
||
nil, nil,
|
||
)
|
||
xfrmOutPolErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_pol_error_packets_total"),
|
||
"Policy error",
|
||
nil, nil,
|
||
)
|
||
xfrmFwdHdrErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "fwd_hdr_error_packets_total"),
|
||
"Forward routing of a packet is not allowed",
|
||
nil, nil,
|
||
)
|
||
xfrmOutStateInvalidDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "out_state_invalid_packets_total"),
|
||
"State is invalid, perhaps expired",
|
||
nil, nil,
|
||
)
|
||
xfrmAcquireErrorDesc = prometheus.NewDesc(
|
||
prometheus.BuildFQName(namespace, "xfrm", "acquire_error_packets_total"),
|
||
"State hasn’t been fully acquired before use",
|
||
nil, nil,
|
||
)
|
||
)
|
||
|
||
func (c *xfrmCollector) Update(ch chan<- prometheus.Metric) error {
|
||
stat, err := c.fs.NewXfrmStat()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
ch <- prometheus.MustNewConstMetric(xfrmInErrorDesc, prometheus.CounterValue, float64(stat.XfrmInError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInBufferErrorDesc, prometheus.CounterValue, float64(stat.XfrmInBufferError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInHdrErrorDesc, prometheus.CounterValue, float64(stat.XfrmInHdrError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInNoStatesDesc, prometheus.CounterValue, float64(stat.XfrmInNoStates))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateProtoErrorDesc, prometheus.CounterValue, float64(stat.XfrmInStateProtoError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateModeErrorDesc, prometheus.CounterValue, float64(stat.XfrmInStateModeError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateSeqErrorDesc, prometheus.CounterValue, float64(stat.XfrmInStateSeqError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateExpiredDesc, prometheus.CounterValue, float64(stat.XfrmInStateExpired))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateMismatchDesc, prometheus.CounterValue, float64(stat.XfrmInStateMismatch))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInStateInvalidDesc, prometheus.CounterValue, float64(stat.XfrmInStateInvalid))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInTmplMismatchDesc, prometheus.CounterValue, float64(stat.XfrmInTmplMismatch))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInNoPolsDesc, prometheus.CounterValue, float64(stat.XfrmInNoPols))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInPolBlockDesc, prometheus.CounterValue, float64(stat.XfrmInPolBlock))
|
||
ch <- prometheus.MustNewConstMetric(xfrmInPolErrorDesc, prometheus.CounterValue, float64(stat.XfrmInPolError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutBundleGenErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutBundleGenError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutBundleCheckErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutBundleCheckError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutNoStatesDesc, prometheus.CounterValue, float64(stat.XfrmOutNoStates))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutStateProtoErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutStateProtoError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutStateModeErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutStateModeError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutStateSeqErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutStateSeqError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutStateExpiredDesc, prometheus.CounterValue, float64(stat.XfrmOutStateExpired))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutPolBlockDesc, prometheus.CounterValue, float64(stat.XfrmOutPolBlock))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutPolDeadDesc, prometheus.CounterValue, float64(stat.XfrmOutPolDead))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutPolErrorDesc, prometheus.CounterValue, float64(stat.XfrmOutPolError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmFwdHdrErrorDesc, prometheus.CounterValue, float64(stat.XfrmFwdHdrError))
|
||
ch <- prometheus.MustNewConstMetric(xfrmOutStateInvalidDesc, prometheus.CounterValue, float64(stat.XfrmOutStateInvalid))
|
||
ch <- prometheus.MustNewConstMetric(xfrmAcquireErrorDesc, prometheus.CounterValue, float64(stat.XfrmAcquireError))
|
||
|
||
return err
|
||
}
|