mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-09 23:24:09 -08:00
Merge pull request #360 from EdSchouten/nfs
Add a collector for NFS client statistics.
This commit is contained in:
Johannes 'fish' Ziemke
GitHub
commit
ff5b901065
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@ -49,6 +49,7 @@ ksmd | Exposes kernel and system statistics from `/sys/kernel/mm/ksm`. | Linux
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logind | Exposes session counts from [logind](http://www.freedesktop.org/wiki/Software/systemd/logind/). | Linux
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megacli | Exposes RAID statistics from MegaCLI. | Linux
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meminfo_numa | Exposes memory statistics from `/proc/meminfo_numa`. | Linux
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nfs | Exposes NFS client statistics from `/proc/net/rpc/nfs`. This is the same information as `nfsstat -c`. | Linux
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ntp | Exposes time drift from an NTP server. | _any_
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runit | Exposes service status from [runit](http://smarden.org/runit/). | _any_
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supervisord | Exposes service status from [supervisord](http://supervisord.org/). | _any_
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@ -1743,6 +1743,112 @@ node_nf_conntrack_entries 123
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# HELP node_nf_conntrack_entries_limit Maximum size of connection tracking table.
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# TYPE node_nf_conntrack_entries_limit gauge
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node_nf_conntrack_entries_limit 65536
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# HELP node_nfs_net_connections Number of connections at the network layer.
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# TYPE node_nfs_net_connections counter
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node_nfs_net_connections{protocol="tcp"} 45
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# HELP node_nfs_net_reads Number of reads at the network layer.
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# TYPE node_nfs_net_reads counter
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node_nfs_net_reads{protocol="tcp"} 69
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node_nfs_net_reads{protocol="udp"} 70
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# HELP node_nfs_procedures Number of NFS procedures invoked.
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# TYPE node_nfs_procedures counter
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node_nfs_procedures{procedure="access",version="3"} 1.17661341e+08
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node_nfs_procedures{procedure="access",version="4"} 58
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node_nfs_procedures{procedure="close",version="4"} 28
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node_nfs_procedures{procedure="commit",version="3"} 23729
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node_nfs_procedures{procedure="commit",version="4"} 83
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node_nfs_procedures{procedure="create",version="2"} 52
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node_nfs_procedures{procedure="create",version="3"} 2.993289e+06
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node_nfs_procedures{procedure="create",version="4"} 15
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node_nfs_procedures{procedure="create_session",version="4"} 32
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node_nfs_procedures{procedure="delegreturn",version="4"} 97
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node_nfs_procedures{procedure="destroy_session",version="4"} 67
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node_nfs_procedures{procedure="exchange_id",version="4"} 58
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node_nfs_procedures{procedure="fs_locations",version="4"} 32
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node_nfs_procedures{procedure="fsid_present",version="4"} 11
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node_nfs_procedures{procedure="fsinfo",version="3"} 2
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node_nfs_procedures{procedure="fsinfo",version="4"} 68
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node_nfs_procedures{procedure="fsstat",version="3"} 13332
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node_nfs_procedures{procedure="get_lease_time",version="4"} 28
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node_nfs_procedures{procedure="getacl",version="4"} 36
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node_nfs_procedures{procedure="getattr",version="2"} 57
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node_nfs_procedures{procedure="getattr",version="3"} 1.061909262e+09
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node_nfs_procedures{procedure="getattr",version="4"} 88
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node_nfs_procedures{procedure="getdeviceinfo",version="4"} 1
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node_nfs_procedures{procedure="layoutcommit",version="4"} 26
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node_nfs_procedures{procedure="layoutget",version="4"} 90
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node_nfs_procedures{procedure="layoutreturn",version="4"} 0
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node_nfs_procedures{procedure="link",version="2"} 17
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node_nfs_procedures{procedure="link",version="3"} 0
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node_nfs_procedures{procedure="link",version="4"} 21
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node_nfs_procedures{procedure="lock",version="4"} 39
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node_nfs_procedures{procedure="lockt",version="4"} 68
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node_nfs_procedures{procedure="locku",version="4"} 59
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node_nfs_procedures{procedure="lookup",version="2"} 71
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node_nfs_procedures{procedure="lookup",version="3"} 4.077635e+06
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node_nfs_procedures{procedure="lookup",version="4"} 29
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node_nfs_procedures{procedure="lookup_root",version="4"} 74
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node_nfs_procedures{procedure="mkdir",version="2"} 50
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node_nfs_procedures{procedure="mkdir",version="3"} 590
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node_nfs_procedures{procedure="mknod",version="3"} 0
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node_nfs_procedures{procedure="null",version="2"} 16
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node_nfs_procedures{procedure="null",version="3"} 0
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node_nfs_procedures{procedure="null",version="4"} 98
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node_nfs_procedures{procedure="open",version="4"} 85
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node_nfs_procedures{procedure="open_confirm",version="4"} 23
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node_nfs_procedures{procedure="open_downgrade",version="4"} 1
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node_nfs_procedures{procedure="open_noattr",version="4"} 24
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node_nfs_procedures{procedure="pathconf",version="3"} 1
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node_nfs_procedures{procedure="pathconf",version="4"} 53
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node_nfs_procedures{procedure="read",version="2"} 45
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node_nfs_procedures{procedure="read",version="3"} 2.9391916e+07
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node_nfs_procedures{procedure="read",version="4"} 51
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node_nfs_procedures{procedure="readdir",version="2"} 70
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node_nfs_procedures{procedure="readdir",version="3"} 3983
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node_nfs_procedures{procedure="readdir",version="4"} 66
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node_nfs_procedures{procedure="readdirplus",version="3"} 92385
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node_nfs_procedures{procedure="readlink",version="2"} 73
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node_nfs_procedures{procedure="readlink",version="3"} 5
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node_nfs_procedures{procedure="readlink",version="4"} 54
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node_nfs_procedures{procedure="reclaim_complete",version="4"} 35
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node_nfs_procedures{procedure="release_lockowner",version="4"} 85
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node_nfs_procedures{procedure="remove",version="2"} 83
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node_nfs_procedures{procedure="remove",version="3"} 7815
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node_nfs_procedures{procedure="remove",version="4"} 69
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node_nfs_procedures{procedure="rename",version="2"} 61
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node_nfs_procedures{procedure="rename",version="3"} 1130
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node_nfs_procedures{procedure="rename",version="4"} 96
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node_nfs_procedures{procedure="renew",version="4"} 83
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node_nfs_procedures{procedure="rmdir",version="2"} 23
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node_nfs_procedures{procedure="rmdir",version="3"} 15
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node_nfs_procedures{procedure="root",version="2"} 52
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node_nfs_procedures{procedure="secinfo",version="4"} 81
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node_nfs_procedures{procedure="sequence",version="4"} 13
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node_nfs_procedures{procedure="server_caps",version="4"} 56
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node_nfs_procedures{procedure="setacl",version="4"} 49
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node_nfs_procedures{procedure="setattr",version="2"} 74
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node_nfs_procedures{procedure="setattr",version="3"} 48906
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node_nfs_procedures{procedure="setattr",version="4"} 73
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node_nfs_procedures{procedure="setclientid",version="4"} 12
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node_nfs_procedures{procedure="setclientid_confirm",version="4"} 84
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node_nfs_procedures{procedure="statfs",version="2"} 82
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node_nfs_procedures{procedure="statfs",version="4"} 86
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node_nfs_procedures{procedure="symlink",version="2"} 53
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node_nfs_procedures{procedure="symlink",version="3"} 0
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node_nfs_procedures{procedure="symlink",version="4"} 84
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node_nfs_procedures{procedure="write",version="2"} 0
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node_nfs_procedures{procedure="write",version="3"} 2.570425e+06
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node_nfs_procedures{procedure="write",version="4"} 54
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node_nfs_procedures{procedure="writecache",version="2"} 86
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# HELP node_nfs_rpc_authentication_refreshes Number of RPC authentication refreshes performed.
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# TYPE node_nfs_rpc_authentication_refreshes counter
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node_nfs_rpc_authentication_refreshes 1.218815394e+09
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# HELP node_nfs_rpc_operations Number of RPCs performed.
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# TYPE node_nfs_rpc_operations counter
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node_nfs_rpc_operations 1.218785755e+09
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# HELP node_nfs_rpc_retransmissions Number of RPC transmissions performed.
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# TYPE node_nfs_rpc_retransmissions counter
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node_nfs_rpc_retransmissions 374636
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# HELP node_procs_blocked Number of processes blocked waiting for I/O to complete.
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# TYPE node_procs_blocked gauge
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node_procs_blocked 0
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5
collector/fixtures/proc/net/rpc/nfs
Normal file
5
collector/fixtures/proc/net/rpc/nfs
Normal file
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@ -0,0 +1,5 @@
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net 70 70 69 45
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rpc 1218785755 374636 1218815394
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proc2 18 16 57 74 52 71 73 45 86 0 52 83 61 17 53 50 23 70 82
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proc3 22 0 1061909262 48906 4077635 117661341 5 29391916 2570425 2993289 590 0 0 7815 15 1130 0 3983 92385 13332 2 1 23729
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proc4 48 98 51 54 83 85 23 24 1 28 73 68 83 12 84 39 68 59 58 88 29 74 69 96 21 84 15 53 86 54 66 56 97 36 49 32 85 81 11 58 32 67 13 28 35 90 1 26 0
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176
collector/nfs_linux.go
Normal file
176
collector/nfs_linux.go
Normal file
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@ -0,0 +1,176 @@
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// Copyright 2016 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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package collector
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import (
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"errors"
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"io/ioutil"
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"os"
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"regexp"
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"strconv"
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"strings"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/log"
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)
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var (
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netLineRE = regexp.MustCompile(`^net \d+ (\d+) (\d+) (\d+)$`)
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rpcLineRE = regexp.MustCompile(`^rpc (\d+) (\d+) (\d+)$`)
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procLineRE = regexp.MustCompile(`^proc(\d+) \d+ (\d+( \d+)*)$`)
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nfsProcedures = map[string][]string{
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"2": []string{
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"null", "getattr", "setattr", "root", "lookup",
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"readlink", "read", "writecache", "write", "create",
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"remove", "rename", "link", "symlink", "mkdir",
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"rmdir", "readdir", "statfs",
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},
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"3": []string{
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"null", "getattr", "setattr", "lookup", "access",
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"readlink", "read", "write", "create", "mkdir",
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"symlink", "mknod", "remove", "rmdir", "rename",
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"link", "readdir", "readdirplus", "fsstat", "fsinfo",
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"pathconf", "commit",
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},
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"4": []string{
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"null", "read", "write", "commit", "open",
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"open_confirm", "open_noattr", "open_downgrade",
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"close", "setattr", "fsinfo", "renew", "setclientid",
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"setclientid_confirm", "lock", "lockt", "locku",
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"access", "getattr", "lookup", "lookup_root", "remove",
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"rename", "link", "symlink", "create", "pathconf",
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"statfs", "readlink", "readdir", "server_caps",
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"delegreturn", "getacl", "setacl", "fs_locations",
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"release_lockowner", "secinfo", "fsid_present",
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"exchange_id", "create_session", "destroy_session",
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"sequence", "get_lease_time", "reclaim_complete",
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"layoutget", "getdeviceinfo", "layoutcommit",
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"layoutreturn", "secinfo_no_name", "test_stateid",
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"free_stateid", "getdevicelist",
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"bind_conn_to_session", "destroy_clientid", "seek",
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"allocate", "deallocate", "layoutstats", "clone",
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"copy",
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},
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}
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nfsNetReadsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "net_reads"),
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"Number of reads at the network layer.",
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[]string{"protocol"},
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nil,
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)
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nfsNetConnectionsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "net_connections"),
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"Number of connections at the network layer.",
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[]string{"protocol"},
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nil,
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)
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nfsRpcOperationsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "rpc_operations"),
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"Number of RPCs performed.",
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nil,
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nil,
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)
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nfsRpcRetransmissionsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "rpc_retransmissions"),
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"Number of RPC transmissions performed.",
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nil,
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nil,
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)
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nfsRpcAuthenticationRefreshesDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "rpc_authentication_refreshes"),
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"Number of RPC authentication refreshes performed.",
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nil,
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nil,
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)
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nfsProceduresDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "nfs", "procedures"),
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"Number of NFS procedures invoked.",
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[]string{"version", "procedure"},
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nil,
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)
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)
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type nfsCollector struct{}
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func init() {
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Factories["nfs"] = NewNfsCollector
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}
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func NewNfsCollector() (Collector, error) {
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return &nfsCollector{}, nil
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}
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func (c *nfsCollector) Update(ch chan<- prometheus.Metric) (err error) {
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statsFile := procFilePath("net/rpc/nfs")
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content, err := ioutil.ReadFile(statsFile)
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if err != nil {
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if os.IsNotExist(err) {
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log.Debugf("Not collecting NFS statistics, as %s does not exist: %s", statsFile)
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return nil
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}
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return err
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}
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for _, line := range strings.Split(string(content), "\n") {
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if fields := netLineRE.FindStringSubmatch(line); fields != nil {
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value, _ := strconv.ParseFloat(fields[1], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsNetReadsDesc, prometheus.CounterValue,
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value, "udp")
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value, _ = strconv.ParseFloat(fields[2], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsNetReadsDesc, prometheus.CounterValue,
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value, "tcp")
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value, _ = strconv.ParseFloat(fields[3], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsNetConnectionsDesc, prometheus.CounterValue,
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value, "tcp")
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} else if fields := rpcLineRE.FindStringSubmatch(line); fields != nil {
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value, _ := strconv.ParseFloat(fields[1], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsRpcOperationsDesc,
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prometheus.CounterValue, value)
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value, _ = strconv.ParseFloat(fields[2], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsRpcRetransmissionsDesc,
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prometheus.CounterValue, value)
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value, _ = strconv.ParseFloat(fields[3], 64)
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ch <- prometheus.MustNewConstMetric(
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nfsRpcAuthenticationRefreshesDesc,
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prometheus.CounterValue, value)
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} else if fields := procLineRE.FindStringSubmatch(line); fields != nil {
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version := fields[1]
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for procedure, count := range strings.Split(fields[2], " ") {
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value, _ := strconv.ParseFloat(count, 64)
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ch <- prometheus.MustNewConstMetric(
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nfsProceduresDesc,
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prometheus.CounterValue,
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value,
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version,
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nfsProcedures[version][procedure])
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}
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} else if line != "" {
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return errors.New("Failed to parse line: " + line)
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}
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}
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return nil
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}
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@ -15,6 +15,7 @@ collectors=$(cat << COLLECTORS
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meminfo_numa
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netdev
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netstat
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nfs
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sockstat
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stat
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textfile
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|
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