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Merge pull request #360 from EdSchouten/nfs
Add a collector for NFS client statistics.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| net 70 70 69 45 | ||
| rpc 1218785755 374636 1218815394 | ||
| proc2 18 16 57 74 52 71 73 45 86 0 52 83 61 17 53 50 23 70 82 | ||
| proc3 22 0 1061909262 48906 4077635 117661341 5 29391916 2570425 2993289 590 0 0 7815 15 1130 0 3983 92385 13332 2 1 23729 | ||
| 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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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| // Copyright 2016 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. | ||
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| package collector | ||
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| import ( | ||
| "errors" | ||
| "io/ioutil" | ||
| "os" | ||
| "regexp" | ||
| "strconv" | ||
| "strings" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/common/log" | ||
| ) | ||
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| var ( | ||
| netLineRE = regexp.MustCompile(`^net \d+ (\d+) (\d+) (\d+)$`) | ||
| rpcLineRE = regexp.MustCompile(`^rpc (\d+) (\d+) (\d+)$`) | ||
| procLineRE = regexp.MustCompile(`^proc(\d+) \d+ (\d+( \d+)*)$`) | ||
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| nfsProcedures = map[string][]string{ | ||
| "2": []string{ | ||
| "null", "getattr", "setattr", "root", "lookup", | ||
| "readlink", "read", "writecache", "write", "create", | ||
| "remove", "rename", "link", "symlink", "mkdir", | ||
| "rmdir", "readdir", "statfs", | ||
| }, | ||
| "3": []string{ | ||
| "null", "getattr", "setattr", "lookup", "access", | ||
| "readlink", "read", "write", "create", "mkdir", | ||
| "symlink", "mknod", "remove", "rmdir", "rename", | ||
| "link", "readdir", "readdirplus", "fsstat", "fsinfo", | ||
| "pathconf", "commit", | ||
| }, | ||
| "4": []string{ | ||
| "null", "read", "write", "commit", "open", | ||
| "open_confirm", "open_noattr", "open_downgrade", | ||
| "close", "setattr", "fsinfo", "renew", "setclientid", | ||
| "setclientid_confirm", "lock", "lockt", "locku", | ||
| "access", "getattr", "lookup", "lookup_root", "remove", | ||
| "rename", "link", "symlink", "create", "pathconf", | ||
| "statfs", "readlink", "readdir", "server_caps", | ||
| "delegreturn", "getacl", "setacl", "fs_locations", | ||
| "release_lockowner", "secinfo", "fsid_present", | ||
| "exchange_id", "create_session", "destroy_session", | ||
| "sequence", "get_lease_time", "reclaim_complete", | ||
| "layoutget", "getdeviceinfo", "layoutcommit", | ||
| "layoutreturn", "secinfo_no_name", "test_stateid", | ||
| "free_stateid", "getdevicelist", | ||
| "bind_conn_to_session", "destroy_clientid", "seek", | ||
| "allocate", "deallocate", "layoutstats", "clone", | ||
| "copy", | ||
| }, | ||
| } | ||
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| nfsNetReadsDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "net_reads"), | ||
| "Number of reads at the network layer.", | ||
| []string{"protocol"}, | ||
| nil, | ||
| ) | ||
| nfsNetConnectionsDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "net_connections"), | ||
| "Number of connections at the network layer.", | ||
| []string{"protocol"}, | ||
| nil, | ||
| ) | ||
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| nfsRpcOperationsDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "rpc_operations"), | ||
| "Number of RPCs performed.", | ||
| nil, | ||
| nil, | ||
| ) | ||
| nfsRpcRetransmissionsDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "rpc_retransmissions"), | ||
| "Number of RPC transmissions performed.", | ||
| nil, | ||
| nil, | ||
| ) | ||
| nfsRpcAuthenticationRefreshesDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "rpc_authentication_refreshes"), | ||
| "Number of RPC authentication refreshes performed.", | ||
| nil, | ||
| nil, | ||
| ) | ||
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| nfsProceduresDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(Namespace, "nfs", "procedures"), | ||
| "Number of NFS procedures invoked.", | ||
| []string{"version", "procedure"}, | ||
| nil, | ||
| ) | ||
| ) | ||
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| type nfsCollector struct{} | ||
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| func init() { | ||
| Factories["nfs"] = NewNfsCollector | ||
| } | ||
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| func NewNfsCollector() (Collector, error) { | ||
| return &nfsCollector{}, nil | ||
| } | ||
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| func (c *nfsCollector) Update(ch chan<- prometheus.Metric) (err error) { | ||
| statsFile := procFilePath("net/rpc/nfs") | ||
| content, err := ioutil.ReadFile(statsFile) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| log.Debugf("Not collecting NFS statistics, as %s does not exist: %s", statsFile) | ||
| return nil | ||
| } | ||
| return err | ||
| } | ||
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| for _, line := range strings.Split(string(content), "\n") { | ||
| if fields := netLineRE.FindStringSubmatch(line); fields != nil { | ||
| value, _ := strconv.ParseFloat(fields[1], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsNetReadsDesc, prometheus.CounterValue, | ||
| value, "udp") | ||
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| value, _ = strconv.ParseFloat(fields[2], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsNetReadsDesc, prometheus.CounterValue, | ||
| value, "tcp") | ||
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| value, _ = strconv.ParseFloat(fields[3], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsNetConnectionsDesc, prometheus.CounterValue, | ||
| value, "tcp") | ||
| } else if fields := rpcLineRE.FindStringSubmatch(line); fields != nil { | ||
| value, _ := strconv.ParseFloat(fields[1], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsRpcOperationsDesc, | ||
| prometheus.CounterValue, value) | ||
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| value, _ = strconv.ParseFloat(fields[2], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsRpcRetransmissionsDesc, | ||
| prometheus.CounterValue, value) | ||
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| value, _ = strconv.ParseFloat(fields[3], 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsRpcAuthenticationRefreshesDesc, | ||
| prometheus.CounterValue, value) | ||
| } else if fields := procLineRE.FindStringSubmatch(line); fields != nil { | ||
| version := fields[1] | ||
| for procedure, count := range strings.Split(fields[2], " ") { | ||
| value, _ := strconv.ParseFloat(count, 64) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| nfsProceduresDesc, | ||
| prometheus.CounterValue, | ||
| value, | ||
| version, | ||
| nfsProcedures[version][procedure]) | ||
| } | ||
| } else if line != "" { | ||
| return errors.New("Failed to parse line: " + line) | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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|
@@ -15,6 +15,7 @@ collectors=$(cat << COLLECTORS | |
| meminfo_numa | ||
| netdev | ||
| netstat | ||
| nfs | ||
| sockstat | ||
| stat | ||
| textfile | ||
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