177 lines
4.3 KiB
Go
177 lines
4.3 KiB
Go
|
package tomcat
|
||
|
|
||
|
import (
|
||
|
"encoding/xml"
|
||
|
"fmt"
|
||
|
"io/ioutil"
|
||
|
"net/http"
|
||
|
"net/url"
|
||
|
"strconv"
|
||
|
|
||
|
"github.com/influxdata/telegraf"
|
||
|
"github.com/influxdata/telegraf/plugins/inputs"
|
||
|
)
|
||
|
|
||
|
type TomcatStatus struct {
|
||
|
TomcatJvm TomcatJvm `xml:"jvm"`
|
||
|
TomcatConnectors []TomcatConnector `xml:"connector"`
|
||
|
}
|
||
|
|
||
|
type TomcatJvm struct {
|
||
|
JvmMemory JvmMemoryStat `xml:"memory"`
|
||
|
JvmMemoryPools []JvmMemoryPoolStat `xml:"memorypool"`
|
||
|
}
|
||
|
|
||
|
type JvmMemoryStat struct {
|
||
|
Free int64 `xml:"free,attr"`
|
||
|
Total int64 `xml:"total,attr"`
|
||
|
Max int64 `xml:"max,attr"`
|
||
|
}
|
||
|
|
||
|
type JvmMemoryPoolStat struct {
|
||
|
Name string `xml:"name,attr"`
|
||
|
Type string `xml:"type,attr"`
|
||
|
UsageInit int64 `xml:"usageInit,attr"`
|
||
|
UsageCommitted int64 `xml:"usageCommitted,attr"`
|
||
|
UsageMax int64 `xml:"usageMax,attr"`
|
||
|
UsageUsed int64 `xml:"usageUsed,attr"`
|
||
|
}
|
||
|
|
||
|
type TomcatConnector struct {
|
||
|
Name string `xml:"name,attr"`
|
||
|
ThreadInfo ThreadInfo `xml:"threadInfo"`
|
||
|
RequestInfo RequestInfo `xml:"requestInfo"`
|
||
|
}
|
||
|
|
||
|
type ThreadInfo struct {
|
||
|
MaxThreads int64 `xml:"maxThreads,attr"`
|
||
|
CurrentThreadCount int64 `xml:"currentThreadCount,attr"`
|
||
|
CurrentThreadsBusy int64 `xml:"currentThreadsBusy,attr"`
|
||
|
}
|
||
|
type RequestInfo struct {
|
||
|
MaxTime int `xml:"maxTime,attr"`
|
||
|
ProcessingTime int `xml:"processingTime,attr"`
|
||
|
RequestCount int `xml:"requestCount,attr"`
|
||
|
ErrorCount int `xml:"errorCount,attr"`
|
||
|
BytesReceived int64 `xml:"bytesReceived,attr"`
|
||
|
BytesSent int64 `xml:"bytesSent,attr"`
|
||
|
}
|
||
|
|
||
|
type Tomcat struct {
|
||
|
URL string
|
||
|
Username string
|
||
|
Password string
|
||
|
}
|
||
|
|
||
|
var sampleconfig = `
|
||
|
## A Tomcat status URI to gather stats.
|
||
|
## Default is "http://127.0.0.1:8080/manager/status/all?XML=true".
|
||
|
url = "http://127.0.0.1:8080/manager/status/all?XML=true"
|
||
|
## Credentials for status URI.
|
||
|
## Default is tomcat/s3cret.
|
||
|
username = "tomcat"
|
||
|
password = "s3cret"
|
||
|
`
|
||
|
|
||
|
func (s *Tomcat) Description() string {
|
||
|
return "A Telegraf plugin to collect tomcat metrics."
|
||
|
}
|
||
|
|
||
|
func (s *Tomcat) SampleConfig() string {
|
||
|
return sampleconfig
|
||
|
}
|
||
|
|
||
|
func (s *Tomcat) Gather(acc telegraf.Accumulator) error {
|
||
|
|
||
|
if s.URL == "" {
|
||
|
s.URL = "http://127.0.0.1:8080/manager/status/all?XML=true"
|
||
|
}
|
||
|
|
||
|
if s.Username == "" {
|
||
|
s.Username = "tomcat"
|
||
|
}
|
||
|
|
||
|
if s.Password == "" {
|
||
|
s.Password = "s3cret"
|
||
|
}
|
||
|
|
||
|
_, err := url.Parse(s.URL)
|
||
|
if err != nil {
|
||
|
return fmt.Errorf("Unable to parse address '%s': %s", s.URL, err)
|
||
|
}
|
||
|
|
||
|
req, err := http.NewRequest("GET", s.URL, nil)
|
||
|
req.SetBasicAuth(s.Username, s.Password)
|
||
|
cli := &http.Client{}
|
||
|
resp, err := cli.Do(req)
|
||
|
if err != nil {
|
||
|
return fmt.Errorf("Unable to call URL '%s': %s", s.URL, err)
|
||
|
}
|
||
|
defer resp.Body.Close()
|
||
|
body, err := ioutil.ReadAll(resp.Body)
|
||
|
|
||
|
var status TomcatStatus
|
||
|
xml.Unmarshal(body, &status)
|
||
|
|
||
|
// add tomcat_jvm_memory measurements
|
||
|
tcm := map[string]interface{}{
|
||
|
"free": status.TomcatJvm.JvmMemory.Free,
|
||
|
"total": status.TomcatJvm.JvmMemory.Total,
|
||
|
"max": status.TomcatJvm.JvmMemory.Max,
|
||
|
}
|
||
|
acc.AddFields("tomcat_jvm_memory", tcm, nil)
|
||
|
|
||
|
// add tomcat_jvm_memorypool measurements
|
||
|
for _, mp := range status.TomcatJvm.JvmMemoryPools {
|
||
|
|
||
|
tcmpTags := map[string]string{
|
||
|
"name": mp.Name,
|
||
|
"type": mp.Type,
|
||
|
}
|
||
|
|
||
|
tcmpFields := map[string]interface{}{
|
||
|
"init": mp.UsageInit,
|
||
|
"committed": mp.UsageCommitted,
|
||
|
"max": mp.UsageMax,
|
||
|
"used": mp.UsageUsed,
|
||
|
}
|
||
|
|
||
|
acc.AddFields("tomcat_jvm_memorypool", tcmpFields, tcmpTags)
|
||
|
|
||
|
}
|
||
|
|
||
|
// add tomcat_connector measurements
|
||
|
for _, c := range status.TomcatConnectors {
|
||
|
|
||
|
name, err := strconv.Unquote(c.Name)
|
||
|
if err != nil {
|
||
|
return fmt.Errorf("Unable to unquote name '%s': %s", c.Name, err)
|
||
|
}
|
||
|
|
||
|
tccTags := map[string]string{
|
||
|
"name": name,
|
||
|
}
|
||
|
|
||
|
tccFields := map[string]interface{}{
|
||
|
"max_threads": c.ThreadInfo.MaxThreads,
|
||
|
"current_thread_count": c.ThreadInfo.CurrentThreadCount,
|
||
|
"current_threads_busy": c.ThreadInfo.CurrentThreadsBusy,
|
||
|
"max_time": c.RequestInfo.MaxTime,
|
||
|
"processing_time": c.RequestInfo.ProcessingTime,
|
||
|
"request_count": c.RequestInfo.RequestCount,
|
||
|
"error_count": c.RequestInfo.ErrorCount,
|
||
|
"bytes_received": c.RequestInfo.BytesReceived,
|
||
|
"bytes_sent": c.RequestInfo.BytesSent,
|
||
|
}
|
||
|
|
||
|
acc.AddFields("tomcat_connector", tccFields, tccTags)
|
||
|
|
||
|
}
|
||
|
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
func init() {
|
||
|
inputs.Add("tomcat", func() telegraf.Input { return &Tomcat{} })
|
||
|
}
|