NFS input: Implemented new plugin for NFS metrics
This commit is contained in:
Luiz Ozaki
parent
048448aa93
commit
b146f77085
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@ -40,6 +40,7 @@ import (
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_ "github.com/influxdata/telegraf/plugins/inputs/nats_consumer"
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_ "github.com/influxdata/telegraf/plugins/inputs/net_response"
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_ "github.com/influxdata/telegraf/plugins/inputs/nginx"
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_ "github.com/influxdata/telegraf/plugins/inputs/nfs"
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_ "github.com/influxdata/telegraf/plugins/inputs/nsq"
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_ "github.com/influxdata/telegraf/plugins/inputs/nsq_consumer"
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_ "github.com/influxdata/telegraf/plugins/inputs/nstat"
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@ -0,0 +1,13 @@
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# Telegraf plugin: NFS
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#### Plugin arguments:
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- **iostat** bool: Collect only the common iostat metrics
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- **fullstat** bool: Collect all metrics available
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#### Description
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The NFS plugin collects data from /proc/self/mountstats
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#### References
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[nfsiostat](http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=summary)
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[What is in /proc/self/mountstats for NFS mounts: an introduction](https://utcc.utoronto.ca/~cks/space/blog/linux/NFSMountstatsIndex)
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@ -0,0 +1,343 @@
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package nfs
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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"strings"
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"fmt"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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type NFS struct {
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Iostat bool
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Fullstat bool
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}
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var sampleConfig = `
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# iostat = true
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# Read iostat metrics
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iostat = true
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# fullstat = true
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# Read all metrics
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fullstat = true
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`
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func (n *NFS) SampleConfig() string {
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return sampleConfig
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}
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func (n *NFS) Description() string {
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return "Read NFS metrics from /proc/self/mountstats"
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}
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var eventsFields = []string{
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"inoderevalidates",
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"dentryrevalidates",
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"datainvalidates",
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"attrinvalidates",
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"vfsopen",
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"vfslookup",
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"vfspermission",
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"vfsupdatepage",
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"vfsreadpage",
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"vfsreadpages",
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"vfswritepage",
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"vfswritepages",
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"vfsreaddir",
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"vfssetattr",
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"vfsflush",
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"vfsfsync",
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"vfslock",
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"vfsrelease",
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"congestionwait",
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"setattrtrunc",
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"extendwrite",
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"sillyrenames",
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"shortreads",
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"shortwrites",
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"delay",
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"pnfsreads",
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"pnfswrites",
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}
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var bytesFields = []string{
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"normalreadbytes",
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"normalwritebytes",
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"directreadbytes",
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"directwritebytes",
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"serverreadbytes",
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"serverwritebytes",
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"readpages",
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"writepages",
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}
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var xprtudpFields = []string{
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// "port",
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"bind_count",
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"rpcsends",
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"rpcreceives",
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"badxids",
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"inflightsends",
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"backlogutil",
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}
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var xprttcpFields = []string{
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// "port",
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"bind_count",
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"connect_count",
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"connect_time",
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"idle_time",
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"rpcsends",
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"rpcreceives",
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"badxids",
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"inflightsends",
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"backlogutil",
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}
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var nfs3Fields = []string{
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"NULL",
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"GETATTR",
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"SETATTR",
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"LOOKUP",
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"ACCESS",
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"READLINK",
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"READ",
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"WRITE",
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"CREATE",
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"MKDIR",
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"SYMLINK",
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"MKNOD",
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"REMOVE",
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"RMDIR",
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"RENAME",
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"LINK",
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"READDIR",
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"READDIRPLUS",
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"FSSTAT",
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"FSINFO",
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"PATHCONF",
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"COMMIT",
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}
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var nfs4Fields = []string{
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"NULL",
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"READ",
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"WRITE",
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"COMMIT",
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"OPEN",
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"OPEN_CONFIRM",
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"OPEN_NOATTR",
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"OPEN_DOWNGRADE",
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"CLOSE",
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"SETATTR",
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"FSINFO",
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"RENEW",
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"SETCLIENTID",
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"SETCLIENTID_CONFIRM",
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"LOCK",
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"LOCKT",
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"LOCKU",
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"ACCESS",
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"GETATTR",
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"LOOKUP",
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"LOOKUP_ROOT",
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"REMOVE",
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"RENAME",
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"LINK",
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"SYMLINK",
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"CREATE",
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"PATHCONF",
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"STATFS",
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"READLINK",
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"READDIR",
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"SERVER_CAPS",
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"DELEGRETURN",
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"GETACL",
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"SETACL",
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"FS_LOCATIONS",
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"RELEASE_LOCKOWNER",
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"SECINFO",
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"FSID_PRESENT",
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"EXCHANGE_ID",
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"CREATE_SESSION",
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"DESTROY_SESSION",
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"SEQUENCE",
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"GET_LEASE_TIME",
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"RECLAIM_COMPLETE",
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"LAYOUTGET",
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"GETDEVICEINFO",
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"LAYOUTCOMMIT",
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"LAYOUTRETURN",
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"SECINFO_NO_NAME",
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"TEST_STATEID",
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"FREE_STATEID",
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"GETDEVICELIST",
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"BIND_CONN_TO_SESSION",
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"DESTROY_CLIENTID",
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"SEEK",
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"ALLOCATE",
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"DEALLOCATE",
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"LAYOUTSTATS",
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"CLONE",
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}
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var nfsopFields = []string {
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"ops",
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"trans",
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"timeouts",
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"bytes_sent",
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"bytes_recv",
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"queue_time",
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"response_time",
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"total_time",
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}
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func convert(line []string) []float64 {
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var nline []float64
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for _, l := range line[1:] {
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f, _ := strconv.ParseFloat(l, 64)
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nline = append(nline, f)
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}
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return nline
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}
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func In(list []string, val string) bool {
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for _, v := range list {
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if v == val {
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return true
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}
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}
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return false
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}
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func (n *NFS) parseStat(mountpoint string, version string, line []string, acc telegraf.Accumulator) error {
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tags := map[string]string{"mountpoint": mountpoint}
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nline := convert(line)
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first := strings.Replace(line[0], ":", "", 1)
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var fields = make(map[string]interface{})
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if version == "3" || version == "4" {
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if In(nfs3Fields, first) {
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if first == "READ" {
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fields["read_ops"] = nline[0]
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fields["read_retrans"] = (nline[1] - nline[0])
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fields["read_bytes"] = (nline[3] + nline[4])
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fields["read_rtt"] = nline[6]
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fields["read_exe"] = nline[7]
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acc.AddFields("nfsstat_read", fields, tags)
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} else if first == "WRITE" {
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fields["write_ops"] = nline[0]
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fields["write_retrans"] = (nline[1] - nline[0])
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fields["write_bytes"] = (nline[3] + nline[4])
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fields["write_rtt"] = nline[6]
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fields["write_exe"] = nline[7]
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acc.AddFields("nfsstat_write", fields, tags)
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}
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}
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}
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return nil
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}
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func (n *NFS) parseData(mountpoint string, version string, line []string, acc telegraf.Accumulator) error {
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tags := map[string]string{"mountpoint": mountpoint}
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nline := convert(line)
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first := strings.Replace(line[0], ":", "", 1)
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var fields = make(map[string]interface{})
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if first == "events" {
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for i,t := range eventsFields {
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fields[t] = nline[i]
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}
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acc.AddFields("nfs_events", fields, tags)
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} else if first == "bytes" {
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for i,t := range bytesFields {
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fields[t] = nline[i]
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}
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acc.AddFields("nfs_bytes", fields, tags)
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} else if first == "xprt" {
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switch line[1] {
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case "tcp": {
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for i,t := range xprttcpFields {
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fields[t] = nline[i+2]
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}
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acc.AddFields("nfs_xprttcp", fields, tags)
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}
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case "udp": {
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for i,t := range xprtudpFields {
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fields[t] = nline[i+2]
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}
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acc.AddFields("nfs_xprtudp", fields, tags)
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}
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}
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} else if version == "3" {
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if In(nfs3Fields, first) {
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for i , t := range nline {
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item := fmt.Sprintf("%s_%s", first, nfsopFields[i])
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fields[item] = t
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}
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acc.AddFields("nfs_ops", fields, tags)
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}
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} else if version == "4" {
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if In(nfs4Fields, first) {
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for i , t := range nline {
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item := fmt.Sprintf("%s_%s", first, nfsopFields[i])
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fields[item] = t
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}
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acc.AddFields("nfs_ops", fields, tags)
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}
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}
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return nil
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}
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func (n *NFS) processText(scanner *bufio.Scanner, acc telegraf.Accumulator) error {
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var device string
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var version string
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for scanner.Scan() {
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line := strings.Fields(scanner.Text())
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if In(line, "fstype") && In(line, "nfs") {
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device = fmt.Sprintf("%s %s", line[1], line[4])
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} else if In(line, "(nfs)") {
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version = strings.Split(line[5], "/")[1]
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}
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if (len(line) > 0) {
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if n.Iostat == true {
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n.parseStat(device, version, line, acc)
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}
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if n.Fullstat == true {
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n.parseData(device, version, line, acc)
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}
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}
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}
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return nil
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}
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func (n *NFS) Gather(acc telegraf.Accumulator) error {
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var outerr error
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file, err := os.Open("/proc/self/mountstats")
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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n.processText(scanner, acc)
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return outerr
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}
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func init() {
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inputs.Add("nfs", func() telegraf.Input {
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return &NFS{}
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})
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}
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@ -0,0 +1,267 @@
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package nfs
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import (
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"testing"
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"bufio"
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"strings"
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"github.com/influxdata/telegraf/testutil"
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)
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const mountstatstext = `device rootfs mounted on / with fstype rootfs
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device proc mounted on /proc with fstype proc
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device sysfs mounted on /sys with fstype sysfs
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device devtmpfs mounted on /dev with fstype devtmpfs
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device devpts mounted on /dev/pts with fstype devpts
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device tmpfs mounted on /dev/shm with fstype tmpfs
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device /dev/loop0 mounted on /dev/.initramfs/live with fstype iso9660
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device /dev/loop6 mounted on / with fstype ext4
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device /proc/bus/usb mounted on /proc/bus/usb with fstype usbfs
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device none mounted on /proc/sys/fs/binfmt_misc with fstype binfmt_misc
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device /tmp mounted on /tmp with fstype tmpfs
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device /home mounted on /home with fstype tmpfs
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device /var mounted on /var with fstype tmpfs
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device /etc mounted on /etc with fstype tmpfs
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device /dev/ram1 mounted on /root with fstype ext2
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device cgroup mounted on /cgroup/cpuset with fstype cgroup
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device cgroup mounted on /cgroup/cpu with fstype cgroup
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device cgroup mounted on /cgroup/cpuacct with fstype cgroup
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device cgroup mounted on /cgroup/memory with fstype cgroup
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device cgroup mounted on /cgroup/devices with fstype cgroup
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device cgroup mounted on /cgroup/freezer with fstype cgroup
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device cgroup mounted on /cgroup/net_cls with fstype cgroup
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device cgroup mounted on /cgroup/blkio with fstype cgroup
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device sunrpc mounted on /var/lib/nfs/rpc_pipefs with fstype rpc_pipefs
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device /etc/auto.misc mounted on /misc with fstype autofs
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device -hosts mounted on /net with fstype autofs
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device 1.2.3.4:/storage/NFS mounted on /storage/NFS with fstype nfs statvers=1.1
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opts: rw,vers=3,rsize=32768,wsize=32768,namlen=255,acregmin=60,acregmax=60,acdirmin=60,acdirmax=60,hard,nolock,noacl,nordirplus,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=1.2.3.4,mountvers=3,mountport=49193,mountproto=tcp,local_lock=all
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age: 1136770
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caps: caps=0x3fe6,wtmult=512,dtsize=8192,bsize=0,namlen=255
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sec: flavor=1,pseudoflavor=1
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events: 301736 22838 410979 26188427 27525 9140 114420 30785253 5308856 5364858 30784819 79832668 170 64 18194 29294718 0 18279 0 2 785551 0 0 0 0 0 0
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bytes: 204440464584 110857586443 783170354688 296174954496 1134399088816 407107155723 85749323 30784819
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RPC iostats version: 1.0 p/v: 100003/3 (nfs)
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xprt: tcp 733 1 1 0 0 96172963 96172963 0 620878754 0 690 196347132 524706275
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per-op statistics
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NULL: 0 0 0 0 0 0 0 0
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GETATTR: 100 101 102 103 104 105 106 107
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SETATTR: 200 201 202 203 204 205 206 207
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LOOKUP: 300 301 302 303 304 305 306 307
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ACCESS: 400 401 402 403 404 405 406 407
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READLINK: 500 501 502 503 504 505 506 507
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READ: 600 601 602 603 604 605 606 607
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WRITE: 700 701 702 703 704 705 706 707
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CREATE: 800 801 802 803 804 805 806 807
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MKDIR: 900 901 902 903 904 905 906 907
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SYMLINK: 1000 1001 1002 1003 1004 1005 1006 1007
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MKNOD: 1100 1101 1102 1103 1104 1105 1106 1107
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REMOVE: 1200 1201 1202 1203 1204 1205 1206 1207
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RMDIR: 1300 1301 1302 1303 1304 1305 1306 1307
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RENAME: 1400 1401 1402 1403 1404 1405 1406 1407
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LINK: 1500 1501 1502 1503 1504 1505 1506 1507
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READDIR: 1600 1601 1602 1603 1604 1605 1606 1607
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READDIRPLUS: 1700 1701 1702 1703 1704 1705 1706 1707
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FSSTAT: 1800 1801 1802 1803 1804 1805 1806 1807
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FSINFO: 1900 1901 1902 1903 1904 1905 1906 1907
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PATHCONF: 2000 2001 2002 2003 2004 2005 2006 2007
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COMMIT: 2100 2101 2102 2103 2104 2105 2106 2107
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device 2.2.2.2:/nfsdata/ mounted on /mnt with fstype nfs4 statvers=1.1
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opts: rw,vers=4,rsize=1048576,wsize=1048576,namlen=255,acregmin=3,acregmax=60,
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acdirmin=30,acdirmax=60,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,
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clientaddr=3.3.3.3,minorversion=0,local_lock=none
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age: 19
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caps: caps=0xfff7,wtmult=512,dtsize=32768,bsize=0,namlen=255
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nfsv4: bm0=0xfdffafff,bm1=0xf9be3e,acl=0x0
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sec: flavor=1,pseudoflavor=1
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events: 0 168232 0 0 0 10095 217808 0 2 9797 0 9739 0 0 19739 19739 0 19739 0 0 0 0 0 0 0 0 0
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bytes: 1612840960 0 0 0 627536112 0 158076 0
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RPC iostats version: 1.0 p/v: 100003/4 (nfs)
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xprt: tcp 737 0 1 0 0 69698 69697 0 81817 0 2 1082 12119
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per-op statistics
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NULL: 0 0 0 0 0 0 0 0
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READ: 9797 9797 0 1000 2000 71 7953 8200
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WRITE: 0 0 0 0 0 0 0 0
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COMMIT: 0 0 0 0 0 0 0 0
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OPEN: 19740 19740 0 4737600 7343280 505 3449 4172
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OPEN_CONFIRM: 10211 10211 0 1552072 694348 74 836 1008
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OPEN_NOATTR: 0 0 0 0 0 0 0 0
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OPEN_DOWNGRADE: 0 0 0 0 0 0 0 0
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CLOSE: 19739 19739 0 3316152 2605548 334 3045 3620
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SETATTR: 0 0 0 0 0 0 0 0
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FSINFO: 1 1 0 132 108 0 0 0
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RENEW: 0 0 0 0 0 0 0 0
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SETCLIENTID: 0 0 0 0 0 0 0 0
|
||||
SETCLIENTID_CONFIRM: 0 0 0 0 0 0 0 0
|
||||
LOCK: 0 0 0 0 0 0 0 0
|
||||
LOCKT: 0 0 0 0 0 0 0 0
|
||||
LOCKU: 0 0 0 0 0 0 0 0
|
||||
ACCESS: 96 96 0 14584 19584 0 8 10
|
||||
GETATTR: 1 1 0 132 188 0 0 0
|
||||
LOOKUP: 10095 10095 0 1655576 2382420 36 898 1072
|
||||
LOOKUP_ROOT: 0 0 0 0 0 0 0 0
|
||||
REMOVE: 0 0 0 0 0 0 0 0
|
||||
RENAME: 0 0 0 0 0 0 0 0
|
||||
LINK: 0 0 0 0 0 0 0 0
|
||||
SYMLINK: 0 0 0 0 0 0 0 0
|
||||
CREATE: 0 0 0 0 0 0 0 0
|
||||
PATHCONF: 1 1 0 128 72 0 0 0
|
||||
STATFS: 0 0 0 0 0 0 0 0
|
||||
READLINK: 0 0 0 0 0 0 0 0
|
||||
READDIR: 0 0 0 0 0 0 0 0
|
||||
SERVER_CAPS: 2 2 0 256 176 0 0 0
|
||||
DELEGRETURN: 0 0 0 0 0 0 0 0
|
||||
GETACL: 0 0 0 0 0 0 0 0
|
||||
SETACL: 0 0 0 0 0 0 0 0
|
||||
FS_LOCATIONS: 0 0 0 0 0 0 0 0
|
||||
RELEASE_LOCKOWNER: 0 0 0 0 0 0 0 0
|
||||
SECINFO: 0 0 0 0 0 0 0 0
|
||||
EXCHANGE_ID: 0 0 0 0 0 0 0 0
|
||||
CREATE_SESSION: 0 0 0 0 0 0 0 0
|
||||
DESTROY_SESSION: 500 501 502 503 504 505 506 507
|
||||
SEQUENCE: 0 0 0 0 0 0 0 0
|
||||
GET_LEASE_TIME: 0 0 0 0 0 0 0 0
|
||||
RECLAIM_COMPLETE: 0 0 0 0 0 0 0 0
|
||||
LAYOUTGET: 0 0 0 0 0 0 0 0
|
||||
GETDEVICEINFO: 0 0 0 0 0 0 0 0
|
||||
LAYOUTCOMMIT: 0 0 0 0 0 0 0 0
|
||||
LAYOUTRETURN: 0 0 0 0 0 0 0 0
|
||||
|
||||
`
|
||||
|
||||
func TestNFSParsev3(t *testing.T) {
|
||||
var acc testutil.Accumulator
|
||||
|
||||
nfs := NFS{}
|
||||
data := strings.Fields(" READLINK: 500 501 502 503 504 505 506 507")
|
||||
nfs.parseData("1.2.3.4:/storage/NFS /storage/NFS", "3", data, &acc)
|
||||
|
||||
fields_ops := map[string]interface{}{
|
||||
"READLINK_ops": float64(500),
|
||||
"READLINK_trans": float64(501),
|
||||
"READLINK_timeouts": float64(502),
|
||||
"READLINK_bytes_sent": float64(503),
|
||||
"READLINK_bytes_recv": float64(504),
|
||||
"READLINK_queue_time": float64(505),
|
||||
"READLINK_response_time": float64(506),
|
||||
"READLINK_total_time": float64(507),
|
||||
}
|
||||
acc.AssertContainsFields(t, "nfs_ops", fields_ops)
|
||||
}
|
||||
|
||||
func TestNFSParsev4(t *testing.T) {
|
||||
var acc testutil.Accumulator
|
||||
|
||||
nfs := NFS{}
|
||||
data := strings.Fields(" DESTROY_SESSION: 500 501 502 503 504 505 506 507")
|
||||
nfs.parseData("2.2.2.2:/nfsdata/ /mnt", "4", data, &acc)
|
||||
|
||||
fields_ops := map[string]interface{}{
|
||||
"DESTROY_SESSION_ops": float64(500),
|
||||
"DESTROY_SESSION_trans": float64(501),
|
||||
"DESTROY_SESSION_timeouts": float64(502),
|
||||
"DESTROY_SESSION_bytes_sent": float64(503),
|
||||
"DESTROY_SESSION_bytes_recv": float64(504),
|
||||
"DESTROY_SESSION_queue_time": float64(505),
|
||||
"DESTROY_SESSION_response_time": float64(506),
|
||||
"DESTROY_SESSION_total_time": float64(507),
|
||||
}
|
||||
acc.AssertContainsFields(t, "nfs_ops", fields_ops)
|
||||
}
|
||||
|
||||
func TestNFSProcessStat(t *testing.T) {
|
||||
var acc testutil.Accumulator
|
||||
|
||||
nfs := NFS{}
|
||||
nfs.iostat = true
|
||||
scanner := bufio.NewScanner(strings.NewReader(mountstatstext))
|
||||
|
||||
nfs.processText(scanner, &acc)
|
||||
|
||||
fields_readstat := map[string]interface{}{
|
||||
"read_ops": float64(600),
|
||||
"read_retrans": float64(1),
|
||||
"read_bytes": float64(1207),
|
||||
"read_rtt": float64(606),
|
||||
"read_exe": float64(607),
|
||||
}
|
||||
fields_writestat := map[string]interface{}{
|
||||
"write_ops": float64(700),
|
||||
"write_retrans": float64(1),
|
||||
"write_bytes": float64(1407),
|
||||
"write_rtt": float64(706),
|
||||
"write_exe": float64(707),
|
||||
}
|
||||
tags := map[string]string {
|
||||
"mountpoint": "1.2.3.4:/storage/NFS /storage/NFS",
|
||||
}
|
||||
acc.AssertContainsTaggedFields(t, "nfsstat_read", fields_readstat, tags)
|
||||
acc.AssertContainsTaggedFields(t, "nfsstat_write", fields_writestat, tags)
|
||||
}
|
||||
|
||||
func TestNFSProcessFull(t *testing.T) {
|
||||
var acc testutil.Accumulator
|
||||
|
||||
nfs := NFS{}
|
||||
nfs.fullstat = true
|
||||
scanner := bufio.NewScanner(strings.NewReader(mountstatstext))
|
||||
|
||||
nfs.processText(scanner, &acc)
|
||||
|
||||
fields_events := map[string]interface{}{
|
||||
"inoderevalidates": float64(301736),
|
||||
"dentryrevalidates": float64(22838),
|
||||
"datainvalidates": float64(410979),
|
||||
"attrinvalidates": float64(26188427),
|
||||
"vfsopen": float64(27525),
|
||||
"vfslookup": float64(9140),
|
||||
"vfspermission": float64(114420),
|
||||
"vfsupdatepage": float64(30785253),
|
||||
"vfsreadpage": float64(5308856),
|
||||
"vfsreadpages": float64(5364858),
|
||||
"vfswritepage": float64(30784819),
|
||||
"vfswritepages": float64(79832668),
|
||||
"vfsreaddir": float64(170),
|
||||
"vfssetattr": float64(64),
|
||||
"vfsflush": float64(18194),
|
||||
"vfsfsync": float64(29294718),
|
||||
"vfslock": float64(0),
|
||||
"vfsrelease": float64(18279),
|
||||
"congestionwait": float64(0),
|
||||
"setattrtrunc": float64(2),
|
||||
"extendwrite": float64(785551),
|
||||
"sillyrenames": float64(0),
|
||||
"shortreads": float64(0),
|
||||
"shortwrites": float64(0),
|
||||
"delay": float64(0),
|
||||
"pnfsreads": float64(0),
|
||||
"pnfswrites": float64(0),
|
||||
}
|
||||
fields_bytes := map[string]interface{}{
|
||||
"normalreadbytes": float64(204440464584),
|
||||
"normalwritebytes": float64(110857586443),
|
||||
"directreadbytes": float64(783170354688),
|
||||
"directwritebytes": float64(296174954496),
|
||||
"serverreadbytes": float64(1134399088816),
|
||||
"serverwritebytes": float64(407107155723),
|
||||
"readpages": float64(85749323),
|
||||
"writepages": float64(30784819),
|
||||
}
|
||||
fields_xprttcp := map[string]interface{}{
|
||||
// "port": float64(733),
|
||||
"bind_count": float64(1),
|
||||
"connect_count": float64(1),
|
||||
"connect_time": float64(0),
|
||||
"idle_time": float64(0),
|
||||
"rpcsends": float64(96172963),
|
||||
"rpcreceives": float64(96172963),
|
||||
"badxids": float64(0),
|
||||
"inflightsends": float64(620878754),
|
||||
"backlogutil": float64(0),
|
||||
}
|
||||
|
||||
acc.AssertContainsFields(t, "nfs_events", fields_events)
|
||||
acc.AssertContainsFields(t, "nfs_bytes", fields_bytes)
|
||||
acc.AssertContainsFields(t, "nfs_xprttcp", fields_xprttcp)
|
||||
}
|
||||
Loading…
Reference in New Issue