cc-metric-collector/collectors/lustreMetric.go

229 lines
5.8 KiB
Go
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package collectors
import (
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"encoding/json"
"errors"
"fmt"
"os/exec"
"os/user"
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"strconv"
"strings"
"time"
cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
Modularize the whole thing (#16) * Use channels, add a metric router, split up configuration and use extended version of Influx line protocol internally * Use central timer for collectors and router. Add expressions to router * Add expression to router config * Update entry points * Start with README * Update README for CCMetric * Formatting * Update README.md * Add README for MultiChanTicker * Add README for MultiChanTicker * Update README.md * Add README to metric router * Update main README * Remove SinkEntity type * Update README for sinks * Update go files * Update README for receivers * Update collectors README * Update collectors README * Use seperate page per collector * Fix for tempstat page * Add docs for customcmd collector * Add docs for ipmistat collector * Add docs for topprocs collector * Update customCmdMetric.md * Use seconds when calculating LIKWID metrics * Add IB metrics ib_recv_pkts and ib_xmit_pkts * Drop domain part of host name * Updated to latest stable version of likwid * Define source code dependencies in Makefile * Add GPFS / IBM Spectrum Scale collector * Add vet and staticcheck make targets * Add vet and staticcheck make targets * Avoid go vet warning: struct field tag `json:"..., omitempty"` not compatible with reflect.StructTag.Get: suspicious space in struct tag value struct field tag `json:"...", omitempty` not compatible with reflect.StructTag.Get: key:"value" pairs not separated by spaces * Add sample collector to README.md * Add CPU frequency collector * Avoid staticcheck warning: redundant return statement * Avoid staticcheck warning: unnecessary assignment to the blank identifier * Simplified code * Add CPUFreqCollectorCpuinfo a metric collector to measure the current frequency of the CPUs as obtained from /proc/cpuinfo Only measure on the first hyperthread * Add collector for NFS clients * Move publication of metrics into Flush() for NatsSink * Update GitHub actions * Refactoring * Avoid vet warning: Println arg list ends with redundant newline * Avoid vet warning struct field commands has json tag but is not exported * Avoid vet warning: return copies lock value. * Corrected typo * Refactoring * Add go sources in internal/... * Bad separator in Makefile * Fix Infiniband collector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
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)
const LUSTRE_SYSFS = `/sys/fs/lustre`
const LCTL_CMD = `lctl`
const LCTL_OPTION = `get_param`
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type LustreCollectorConfig struct {
LCtlCommand string `json:"lctl_command"`
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ExcludeMetrics []string `json:"exclude_metrics"`
SendAllMetrics bool `json:"send_all_metrics"`
Sudo bool `json:"use_sudo"`
}
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type LustreCollector struct {
Modularize the whole thing (#16) * Use channels, add a metric router, split up configuration and use extended version of Influx line protocol internally * Use central timer for collectors and router. Add expressions to router * Add expression to router config * Update entry points * Start with README * Update README for CCMetric * Formatting * Update README.md * Add README for MultiChanTicker * Add README for MultiChanTicker * Update README.md * Add README to metric router * Update main README * Remove SinkEntity type * Update README for sinks * Update go files * Update README for receivers * Update collectors README * Update collectors README * Use seperate page per collector * Fix for tempstat page * Add docs for customcmd collector * Add docs for ipmistat collector * Add docs for topprocs collector * Update customCmdMetric.md * Use seconds when calculating LIKWID metrics * Add IB metrics ib_recv_pkts and ib_xmit_pkts * Drop domain part of host name * Updated to latest stable version of likwid * Define source code dependencies in Makefile * Add GPFS / IBM Spectrum Scale collector * Add vet and staticcheck make targets * Add vet and staticcheck make targets * Avoid go vet warning: struct field tag `json:"..., omitempty"` not compatible with reflect.StructTag.Get: suspicious space in struct tag value struct field tag `json:"...", omitempty` not compatible with reflect.StructTag.Get: key:"value" pairs not separated by spaces * Add sample collector to README.md * Add CPU frequency collector * Avoid staticcheck warning: redundant return statement * Avoid staticcheck warning: unnecessary assignment to the blank identifier * Simplified code * Add CPUFreqCollectorCpuinfo a metric collector to measure the current frequency of the CPUs as obtained from /proc/cpuinfo Only measure on the first hyperthread * Add collector for NFS clients * Move publication of metrics into Flush() for NatsSink * Update GitHub actions * Refactoring * Avoid vet warning: Println arg list ends with redundant newline * Avoid vet warning struct field commands has json tag but is not exported * Avoid vet warning: return copies lock value. * Corrected typo * Refactoring * Add go sources in internal/... * Bad separator in Makefile * Fix Infiniband collector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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metricCollector
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tags map[string]string
matches map[string]map[string]int
stats map[string]map[string]int64
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config LustreCollectorConfig
lctl string
sudoCmd string
}
func (m *LustreCollector) getDeviceDataCommand(device string) []string {
var command *exec.Cmd
statsfile := fmt.Sprintf("llite.%s.stats", device)
if m.config.Sudo {
command = exec.Command(m.sudoCmd, m.lctl, LCTL_OPTION, statsfile)
} else {
command = exec.Command(m.lctl, LCTL_OPTION, statsfile)
}
command.Wait()
stdout, _ := command.Output()
return strings.Split(string(stdout), "\n")
}
func (m *LustreCollector) getDevices() []string {
devices := make([]string, 0)
// //Version reading devices from sysfs
// globPattern := filepath.Join(LUSTRE_SYSFS, "llite/*/stats")
// files, err := filepath.Glob(globPattern)
// if err != nil {
// return devices
// }
// for _, f := range files {
// pathlist := strings.Split(f, "/")
// devices = append(devices, pathlist[4])
// }
data := m.getDeviceDataCommand("*")
for _, line := range data {
if strings.HasPrefix(line, "llite") {
linefields := strings.Split(line, ".")
if len(linefields) > 2 {
devices = append(devices, linefields[1])
}
}
}
return devices
}
// //Version reading the stats data of a device from sysfs
// func (m *LustreCollector) getDeviceDataSysfs(device string) []string {
// llitedir := filepath.Join(LUSTRE_SYSFS, "llite")
// devdir := filepath.Join(llitedir, device)
// statsfile := filepath.Join(devdir, "stats")
// buffer, err := ioutil.ReadFile(statsfile)
// if err != nil {
// return make([]string, 0)
// }
// return strings.Split(string(buffer), "\n")
// }
Modularize the whole thing (#16) * Use channels, add a metric router, split up configuration and use extended version of Influx line protocol internally * Use central timer for collectors and router. Add expressions to router * Add expression to router config * Update entry points * Start with README * Update README for CCMetric * Formatting * Update README.md * Add README for MultiChanTicker * Add README for MultiChanTicker * Update README.md * Add README to metric router * Update main README * Remove SinkEntity type * Update README for sinks * Update go files * Update README for receivers * Update collectors README * Update collectors README * Use seperate page per collector * Fix for tempstat page * Add docs for customcmd collector * Add docs for ipmistat collector * Add docs for topprocs collector * Update customCmdMetric.md * Use seconds when calculating LIKWID metrics * Add IB metrics ib_recv_pkts and ib_xmit_pkts * Drop domain part of host name * Updated to latest stable version of likwid * Define source code dependencies in Makefile * Add GPFS / IBM Spectrum Scale collector * Add vet and staticcheck make targets * Add vet and staticcheck make targets * Avoid go vet warning: struct field tag `json:"..., omitempty"` not compatible with reflect.StructTag.Get: suspicious space in struct tag value struct field tag `json:"...", omitempty` not compatible with reflect.StructTag.Get: key:"value" pairs not separated by spaces * Add sample collector to README.md * Add CPU frequency collector * Avoid staticcheck warning: redundant return statement * Avoid staticcheck warning: unnecessary assignment to the blank identifier * Simplified code * Add CPUFreqCollectorCpuinfo a metric collector to measure the current frequency of the CPUs as obtained from /proc/cpuinfo Only measure on the first hyperthread * Add collector for NFS clients * Move publication of metrics into Flush() for NatsSink * Update GitHub actions * Refactoring * Avoid vet warning: Println arg list ends with redundant newline * Avoid vet warning struct field commands has json tag but is not exported * Avoid vet warning: return copies lock value. * Corrected typo * Refactoring * Add go sources in internal/... * Bad separator in Makefile * Fix Infiniband collector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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func (m *LustreCollector) Init(config json.RawMessage) error {
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var err error
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m.name = "LustreCollector"
if len(config) > 0 {
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err = json.Unmarshal(config, &m.config)
if err != nil {
return err
}
}
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m.setup()
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m.tags = map[string]string{"type": "node"}
Modularize the whole thing (#16) * Use channels, add a metric router, split up configuration and use extended version of Influx line protocol internally * Use central timer for collectors and router. Add expressions to router * Add expression to router config * Update entry points * Start with README * Update README for CCMetric * Formatting * Update README.md * Add README for MultiChanTicker * Add README for MultiChanTicker * Update README.md * Add README to metric router * Update main README * Remove SinkEntity type * Update README for sinks * Update go files * Update README for receivers * Update collectors README * Update collectors README * Use seperate page per collector * Fix for tempstat page * Add docs for customcmd collector * Add docs for ipmistat collector * Add docs for topprocs collector * Update customCmdMetric.md * Use seconds when calculating LIKWID metrics * Add IB metrics ib_recv_pkts and ib_xmit_pkts * Drop domain part of host name * Updated to latest stable version of likwid * Define source code dependencies in Makefile * Add GPFS / IBM Spectrum Scale collector * Add vet and staticcheck make targets * Add vet and staticcheck make targets * Avoid go vet warning: struct field tag `json:"..., omitempty"` not compatible with reflect.StructTag.Get: suspicious space in struct tag value struct field tag `json:"...", omitempty` not compatible with reflect.StructTag.Get: key:"value" pairs not separated by spaces * Add sample collector to README.md * Add CPU frequency collector * Avoid staticcheck warning: redundant return statement * Avoid staticcheck warning: unnecessary assignment to the blank identifier * Simplified code * Add CPUFreqCollectorCpuinfo a metric collector to measure the current frequency of the CPUs as obtained from /proc/cpuinfo Only measure on the first hyperthread * Add collector for NFS clients * Move publication of metrics into Flush() for NatsSink * Update GitHub actions * Refactoring * Avoid vet warning: Println arg list ends with redundant newline * Avoid vet warning struct field commands has json tag but is not exported * Avoid vet warning: return copies lock value. * Corrected typo * Refactoring * Add go sources in internal/... * Bad separator in Makefile * Fix Infiniband collector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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m.meta = map[string]string{"source": m.name, "group": "Lustre"}
defmatches := map[string]map[string]int{
"read_bytes": {"lustre_read_bytes": 6, "lustre_read_requests": 1},
"write_bytes": {"lustre_write_bytes": 6, "lustre_write_requests": 1},
"open": {"lustre_open": 1},
"close": {"lustre_close": 1},
"setattr": {"lustre_setattr": 1},
"getattr": {"lustre_getattr": 1},
"statfs": {"lustre_statfs": 1},
"inode_permission": {"lustre_inode_permission": 1}}
// Lustre file system statistics can only be queried by user root
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if !m.config.Sudo {
user, err := user.Current()
if err != nil {
cclog.ComponentError(m.name, "Failed to get current user:", err.Error())
return err
}
if user.Uid != "0" {
cclog.ComponentError(m.name, "Lustre file system statistics can only be queried by user root")
return err
}
}
m.matches = make(map[string]map[string]int)
for lineprefix, names := range defmatches {
for metricname, offset := range names {
_, skip := stringArrayContains(m.config.ExcludeMetrics, metricname)
if skip {
continue
}
if _, prefixExist := m.matches[lineprefix]; !prefixExist {
m.matches[lineprefix] = make(map[string]int)
}
if _, metricExist := m.matches[lineprefix][metricname]; !metricExist {
m.matches[lineprefix][metricname] = offset
}
}
}
p, err := exec.LookPath(m.config.LCtlCommand)
if err != nil {
p, err = exec.LookPath(LCTL_CMD)
if err != nil {
return err
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}
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}
m.lctl = p
if m.config.Sudo {
p, err := exec.LookPath("sudo")
if err != nil {
m.sudoCmd = p
}
}
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devices := m.getDevices()
if len(devices) == 0 {
return errors.New("no metrics to collect")
}
m.stats = make(map[string]map[string]int64)
for _, d := range devices {
m.stats[d] = make(map[string]int64)
for _, names := range m.matches {
for metricname := range names {
m.stats[d][metricname] = 0
}
}
}
m.init = true
return nil
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}
Modularize the whole thing (#16) * Use channels, add a metric router, split up configuration and use extended version of Influx line protocol internally * Use central timer for collectors and router. Add expressions to router * Add expression to router config * Update entry points * Start with README * Update README for CCMetric * Formatting * Update README.md * Add README for MultiChanTicker * Add README for MultiChanTicker * Update README.md * Add README to metric router * Update main README * Remove SinkEntity type * Update README for sinks * Update go files * Update README for receivers * Update collectors README * Update collectors README * Use seperate page per collector * Fix for tempstat page * Add docs for customcmd collector * Add docs for ipmistat collector * Add docs for topprocs collector * Update customCmdMetric.md * Use seconds when calculating LIKWID metrics * Add IB metrics ib_recv_pkts and ib_xmit_pkts * Drop domain part of host name * Updated to latest stable version of likwid * Define source code dependencies in Makefile * Add GPFS / IBM Spectrum Scale collector * Add vet and staticcheck make targets * Add vet and staticcheck make targets * Avoid go vet warning: struct field tag `json:"..., omitempty"` not compatible with reflect.StructTag.Get: suspicious space in struct tag value struct field tag `json:"...", omitempty` not compatible with reflect.StructTag.Get: key:"value" pairs not separated by spaces * Add sample collector to README.md * Add CPU frequency collector * Avoid staticcheck warning: redundant return statement * Avoid staticcheck warning: unnecessary assignment to the blank identifier * Simplified code * Add CPUFreqCollectorCpuinfo a metric collector to measure the current frequency of the CPUs as obtained from /proc/cpuinfo Only measure on the first hyperthread * Add collector for NFS clients * Move publication of metrics into Flush() for NatsSink * Update GitHub actions * Refactoring * Avoid vet warning: Println arg list ends with redundant newline * Avoid vet warning struct field commands has json tag but is not exported * Avoid vet warning: return copies lock value. * Corrected typo * Refactoring * Add go sources in internal/... * Bad separator in Makefile * Fix Infiniband collector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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func (m *LustreCollector) Read(interval time.Duration, output chan lp.CCMetric) {
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if !m.init {
return
}
for device, devData := range m.stats {
stats := m.getDeviceDataCommand(device)
processed := []string{}
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for _, line := range stats {
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lf := strings.Fields(line)
if len(lf) > 1 {
if fields, ok := m.matches[lf[0]]; ok {
for name, idx := range fields {
x, err := strconv.ParseInt(lf[idx], 0, 64)
if err != nil {
continue
}
value := x - devData[name]
devData[name] = x
if value < 0 {
value = 0
}
y, err := lp.New(name, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
if err == nil {
y.AddTag("device", device)
if strings.Contains(name, "byte") {
y.AddMeta("unit", "Byte")
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}
output <- y
if m.config.SendAllMetrics {
processed = append(processed, name)
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}
}
}
}
}
}
if m.config.SendAllMetrics {
for name := range devData {
if _, done := stringArrayContains(processed, name); !done {
y, err := lp.New(name, m.tags, m.meta, map[string]interface{}{"value": 0}, time.Now())
if err == nil {
y.AddTag("device", device)
if strings.Contains(name, "byte") {
y.AddMeta("unit", "Byte")
}
output <- y
}
}
}
}
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}
}
func (m *LustreCollector) Close() {
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m.init = false
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}