Split NfsCollector in Nfs3Collector and Nfs4Collector

This commit is contained in:
Thomas Roehl 2022-01-30 15:37:41 +01:00
parent 011218ab80
commit 5315a1fc4c
4 changed files with 269 additions and 47 deletions

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@ -29,6 +29,8 @@ In contrast to the configuration files for sinks and receivers, the collectors c
* [`customcmd`](./customCmdMetric.md)
* [`ipmistat`](./ipmiMetric.md)
* [`topprocs`](./topprocsMetric.md)
* [`nfs3stat`](./nfsMetric.md#nfs3stat-collector)
* [`nfs4stat`](./nfsMetric.md#nfs4stat-collector)
## Todos

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@ -31,7 +31,8 @@ var AvailableCollectors = map[string]MetricCollector{
"gpfs": new(GpfsCollector),
"cpufreq": new(CPUFreqCollector),
"cpufreq_cpuinfo": new(CPUFreqCpuInfoCollector),
"nfsstat": new(NfsCollector),
"nfs3stat": new(Nfs3Collector),
"nfs4stat": new(Nfs4Collector),
}
// Metric collector manager data structure

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@ -19,18 +19,30 @@ type NfsCollectorData struct {
last int64
}
type NfsCollector struct {
type Nfs3Collector struct {
metricCollector
tags map[string]string
config struct {
tags map[string]string
version string
config struct {
Nfsutils string `json:"nfsutils"`
ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
}
data map[string]map[string]NfsCollectorData
data map[string]NfsCollectorData
}
func (m *NfsCollector) initStats() error {
cmd := exec.Command(m.config.Nfsutils, "-l")
type Nfs4Collector struct {
metricCollector
tags map[string]string
version string
config struct {
Nfsutils string `json:"nfsutils"`
ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
}
data map[string]NfsCollectorData
}
func (m *Nfs3Collector) initStats() error {
cmd := exec.Command(m.config.Nfsutils, `-l`, `-3`)
cmd.Wait()
buffer, err := cmd.Output()
if err == nil {
@ -39,17 +51,16 @@ func (m *NfsCollector) initStats() error {
if len(lf) != 5 {
continue
}
if _, exist := m.data[lf[1]]; !exist {
m.data[lf[1]] = make(map[string]NfsCollectorData)
}
name := strings.Trim(lf[3], ":")
if _, exist := m.data[lf[1]][name]; !exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[lf[1]][name]
x.current = value
x.last = 0
m.data[lf[1]][name] = x
if lf[1] == m.version { // `v3`
name := strings.Trim(lf[3], ":")
if _, exist := m.data[name]; !exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[name]
x.current = value
x.last = 0
m.data[name] = x
}
}
}
}
@ -57,8 +68,8 @@ func (m *NfsCollector) initStats() error {
return err
}
func (m *NfsCollector) updateStats() error {
cmd := exec.Command(m.config.Nfsutils, "-l")
func (m *Nfs4Collector) initStats() error {
cmd := exec.Command(m.config.Nfsutils, `-l`, `-4`)
cmd.Wait()
buffer, err := cmd.Output()
if err == nil {
@ -67,17 +78,16 @@ func (m *NfsCollector) updateStats() error {
if len(lf) != 5 {
continue
}
if _, exist := m.data[lf[1]]; !exist {
m.data[lf[1]] = make(map[string]NfsCollectorData)
}
name := strings.Trim(lf[3], ":")
if _, exist := m.data[lf[1]][name]; exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[lf[1]][name]
x.last = x.current
x.current = value
m.data[lf[1]][name] = x
if lf[1] == m.version { // `v4`
name := strings.Trim(lf[3], ":")
if _, exist := m.data[name]; !exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[name]
x.current = value
x.last = 0
m.data[name] = x
}
}
}
}
@ -85,9 +95,64 @@ func (m *NfsCollector) updateStats() error {
return err
}
func (m *NfsCollector) Init(config json.RawMessage) error {
func (m *Nfs3Collector) updateStats() error {
cmd := exec.Command(m.config.Nfsutils, `-l`, `-3`)
cmd.Wait()
buffer, err := cmd.Output()
if err == nil {
for _, line := range strings.Split(string(buffer), "\n") {
lf := strings.Fields(line)
if len(lf) != 5 {
continue
}
if lf[1] == m.version { // `v3`
name := strings.Trim(lf[3], ":")
if _, exist := m.data[name]; exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[name]
x.last = x.current
x.current = value
m.data[name] = x
}
}
}
}
}
return err
}
func (m *Nfs4Collector) updateStats() error {
cmd := exec.Command(m.config.Nfsutils, `-l`, `-4`)
cmd.Wait()
buffer, err := cmd.Output()
if err == nil {
for _, line := range strings.Split(string(buffer), "\n") {
lf := strings.Fields(line)
if len(lf) != 5 {
continue
}
if lf[1] == m.version { // `v4`
name := strings.Trim(lf[3], ":")
if _, exist := m.data[name]; exist {
value, err := strconv.ParseInt(lf[4], 0, 64)
if err == nil {
x := m.data[name]
x.last = x.current
x.current = value
m.data[name] = x
}
}
}
}
}
return err
}
func (m *Nfs3Collector) Init(config json.RawMessage) error {
var err error
m.name = "NfsCollector"
m.name = "Nfs3Collector"
m.version = `v3`
m.setup()
// Set default mmpmon binary
@ -113,13 +178,48 @@ func (m *NfsCollector) Init(config json.RawMessage) error {
if err != nil {
return fmt.Errorf("NfsCollector.Init(): Failed to find nfsstat binary '%s': %v", m.config.Nfsutils, err)
}
m.data = make(map[string]map[string]NfsCollectorData)
m.data = make(map[string]NfsCollectorData)
m.initStats()
m.init = true
return nil
}
func (m *NfsCollector) Read(interval time.Duration, output chan lp.CCMetric) {
func (m *Nfs4Collector) Init(config json.RawMessage) error {
var err error
m.name = "Nfs4Collector"
m.version = `v4`
m.setup()
// Set default mmpmon binary
m.config.Nfsutils = "/usr/sbin/nfsstat"
// Read JSON configuration
if len(config) > 0 {
err = json.Unmarshal(config, &m.config)
if err != nil {
log.Print(err.Error())
return err
}
}
m.meta = map[string]string{
"source": m.name,
"group": "NFS",
}
m.tags = map[string]string{
"type": "node",
}
// Check if mmpmon is in executable search path
_, err = exec.LookPath(m.config.Nfsutils)
if err != nil {
return fmt.Errorf("NfsCollector.Init(): Failed to find nfsstat binary '%s': %v", m.config.Nfsutils, err)
}
m.data = make(map[string]NfsCollectorData)
m.initStats()
m.init = true
return nil
}
func (m *Nfs3Collector) Read(interval time.Duration, output chan lp.CCMetric) {
if !m.init {
return
}
@ -127,21 +227,44 @@ func (m *NfsCollector) Read(interval time.Duration, output chan lp.CCMetric) {
m.updateStats()
for version, metrics := range m.data {
for name, data := range metrics {
if _, skip := stringArrayContains(m.config.ExcludeMetrics, name); skip {
continue
}
value := data.current - data.last
y, err := lp.New(fmt.Sprintf("nfs_%s", name), m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
if err == nil {
y.AddMeta("version", version)
output <- y
}
for name, data := range m.data {
if _, skip := stringArrayContains(m.config.ExcludeMetrics, name); skip {
continue
}
value := data.current - data.last
y, err := lp.New(fmt.Sprintf("nfs3_%s", name), m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
if err == nil {
y.AddMeta("version", m.version)
output <- y
}
}
}
func (m *NfsCollector) Close() {
func (m *Nfs4Collector) Read(interval time.Duration, output chan lp.CCMetric) {
if !m.init {
return
}
timestamp := time.Now()
m.updateStats()
for name, data := range m.data {
if _, skip := stringArrayContains(m.config.ExcludeMetrics, name); skip {
continue
}
value := data.current - data.last
y, err := lp.New(fmt.Sprintf("nfs4_%s", name), m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
if err == nil {
y.AddMeta("version", m.version)
output <- y
}
}
}
func (m *Nfs3Collector) Close() {
m.init = false
}
func (m *Nfs4Collector) Close() {
m.init = false
}

96
collectors/nfsMetric.md Normal file
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@ -0,0 +1,96 @@
## `nfs3stat` collector
```json
"nfs3stat": {
"nfsutils" : "/usr/bin/nfsstat",
"exclude_metrics": [
"nfs3_total"
]
}
```
The `nfs3stat` collector reads data from `nfsstat` and outputs a handful **node** metrics. If a metric is not required, it can be excluded from forwarding it to the sink. It is not possible to get data per NFSv3 mount point at the moment.
Metrics:
-`nfs3_total`
-`nfs3_null`
-`nfs3_getattr`
-`nfs3_setattr`
-`nfs3_lookup`
-`nfs3_access`
-`nfs3_readlink`
-`nfs3_read`
-`nfs3_write`
-`nfs3_create`
-`nfs3_mkdir`
-`nfs3_symlink`
-`nfs3_remove`
-`nfs3_rmdir`
-`nfs3_rename`
-`nfs3_link`
-`nfs3_readdir`
-`nfs3_readdirplus`
-`nfs3_fsstat`
-`nfs3_fsinfo`
-`nfs3_pathconf`
-`nfs3_commit`
## `nfs4stat` collector
```json
"nfs4stat": {
"nfsutils" : "/usr/bin/nfsstat",
"exclude_metrics": [
"nfs4_total"
]
}
```
The `nfs4stat` collector reads data from `nfsstat` and outputs a handful **node** metrics. If a metric is not required, it can be excluded from forwarding it to the sink. It is not possible to get data per NFSv4 mount point at the moment.
Metrics:
-`nfs4_total`
-`nfs4_null`
-`nfs4_read`
-`nfs4_write`
-`nfs4_commit`
-`nfs4_open`
-`nfs4_open_conf`
-`nfs4_open_noat`
-`nfs4_open_dgrd`
-`nfs4_close`
-`nfs4_setattr`
-`nfs4_fsinfo`
-`nfs4_renew`
-`nfs4_setclntid`
-`nfs4_confirm`
-`nfs4_lock`
-`nfs4_lockt`
-`nfs4_locku`
-`nfs4_access`
-`nfs4_getattr`
-`nfs4_lookup`
-`nfs4_lookup_root`
-`nfs4_remove`
-`nfs4_rename`
-`nfs4_link`
-`nfs4_symlink`
-`nfs4_create`
-`nfs4_pathconf`
-`nfs4_statfs`
-`nfs4_readlink`
-`nfs4_readdir`
-`nfs4_server_caps`
-`nfs4_delegreturn`
-`nfs4_getacl`
-`nfs4_setacl`
-`nfs4_rel_lkowner`
-`nfs4_exchange_id`
-`nfs4_create_session`
-`nfs4_destroy_session`
-`nfs4_sequence`
-`nfs4_get_lease_time`
-`nfs4_reclaim_comp`
-`nfs4_secinfo_no`
-`nfs4_bind_conn_to_ses`