339 lines
9.0 KiB
Go
339 lines
9.0 KiB
Go
package tengine
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/influxdata/telegraf"
|
|
"github.com/influxdata/telegraf/internal"
|
|
"github.com/influxdata/telegraf/internal/tls"
|
|
"github.com/influxdata/telegraf/plugins/inputs"
|
|
"io"
|
|
)
|
|
|
|
type Tengine struct {
|
|
Urls []string
|
|
ResponseTimeout internal.Duration
|
|
tls.ClientConfig
|
|
|
|
// HTTP client
|
|
client *http.Client
|
|
}
|
|
|
|
var sampleConfig = `
|
|
# An array of Tengine reqstat module URI to gather stats.
|
|
urls = ["http://127.0.0.1/us"]
|
|
|
|
## Optional TLS Config
|
|
tls_ca = "/etc/telegraf/ca.pem"
|
|
tls_cert = "/etc/telegraf/cert.cer"
|
|
tls_key = "/etc/telegraf/key.key"
|
|
## Use TLS but skip chain & host verification
|
|
insecure_skip_verify = false
|
|
|
|
# HTTP response timeout (default: 5s)
|
|
response_timeout = "5s"
|
|
`
|
|
|
|
func (n *Tengine) SampleConfig() string {
|
|
return sampleConfig
|
|
}
|
|
|
|
func (n *Tengine) Description() string {
|
|
return "Read Tengine's basic status information (ngx_http_reqstat_module)"
|
|
}
|
|
|
|
func (n *Tengine) Gather(acc telegraf.Accumulator) error {
|
|
var wg sync.WaitGroup
|
|
|
|
// Create an HTTP client that is re-used for each
|
|
// collection interval
|
|
if n.client == nil {
|
|
client, err := n.createHttpClient()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
n.client = client
|
|
}
|
|
|
|
for _, u := range n.Urls {
|
|
addr, err := url.Parse(u)
|
|
if err != nil {
|
|
acc.AddError(fmt.Errorf("Unable to parse address '%s': %s", u, err))
|
|
continue
|
|
}
|
|
|
|
wg.Add(1)
|
|
go func(addr *url.URL) {
|
|
defer wg.Done()
|
|
acc.AddError(n.gatherUrl(addr, acc))
|
|
}(addr)
|
|
}
|
|
|
|
wg.Wait()
|
|
return nil
|
|
}
|
|
|
|
func (n *Tengine) createHttpClient() (*http.Client, error) {
|
|
tlsCfg, err := n.ClientConfig.TLSConfig()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if n.ResponseTimeout.Duration < time.Second {
|
|
n.ResponseTimeout.Duration = time.Second * 5
|
|
}
|
|
|
|
client := &http.Client{
|
|
Transport: &http.Transport{
|
|
TLSClientConfig: tlsCfg,
|
|
},
|
|
Timeout: n.ResponseTimeout.Duration,
|
|
}
|
|
|
|
return client, nil
|
|
}
|
|
|
|
type TengineSatus struct {
|
|
host string
|
|
bytes_in uint64
|
|
bytes_out uint64
|
|
conn_total uint64
|
|
req_total uint64
|
|
http_2xx uint64
|
|
http_3xx uint64
|
|
http_4xx uint64
|
|
http_5xx uint64
|
|
http_other_status uint64
|
|
rt uint64
|
|
ups_req uint64
|
|
ups_rt uint64
|
|
ups_tries uint64
|
|
http_200 uint64
|
|
http_206 uint64
|
|
http_302 uint64
|
|
http_304 uint64
|
|
http_403 uint64
|
|
http_404 uint64
|
|
http_416 uint64
|
|
http_499 uint64
|
|
http_500 uint64
|
|
http_502 uint64
|
|
http_503 uint64
|
|
http_504 uint64
|
|
http_508 uint64
|
|
http_other_detail_status uint64
|
|
http_ups_4xx uint64
|
|
http_ups_5xx uint64
|
|
}
|
|
|
|
func (n *Tengine) gatherUrl(addr *url.URL, acc telegraf.Accumulator) error {
|
|
var tenginestatus TengineSatus
|
|
resp, err := n.client.Get(addr.String())
|
|
if err != nil {
|
|
return fmt.Errorf("error making HTTP request to %s: %s", addr.String(), err)
|
|
}
|
|
defer resp.Body.Close()
|
|
if resp.StatusCode != http.StatusOK {
|
|
return fmt.Errorf("%s returned HTTP status %s", addr.String(), resp.Status)
|
|
}
|
|
r := bufio.NewReader(resp.Body)
|
|
|
|
for {
|
|
line, err := r.ReadString('\n')
|
|
|
|
if err != nil || io.EOF == err {
|
|
break
|
|
}
|
|
line_split := strings.Split(strings.TrimSpace(line), ",")
|
|
if len(line_split) != 30 {
|
|
continue
|
|
}
|
|
tenginestatus.host = line_split[0]
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.bytes_in, err = strconv.ParseUint(line_split[1], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.bytes_out, err = strconv.ParseUint(line_split[2], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.conn_total, err = strconv.ParseUint(line_split[3], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.req_total, err = strconv.ParseUint(line_split[4], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_2xx, err = strconv.ParseUint(line_split[5], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_3xx, err = strconv.ParseUint(line_split[6], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_4xx, err = strconv.ParseUint(line_split[7], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_5xx, err = strconv.ParseUint(line_split[8], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_other_status, err = strconv.ParseUint(line_split[9], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.rt, err = strconv.ParseUint(line_split[10], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.ups_req, err = strconv.ParseUint(line_split[11], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.ups_rt, err = strconv.ParseUint(line_split[12], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.ups_tries, err = strconv.ParseUint(line_split[13], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_200, err = strconv.ParseUint(line_split[14], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_206, err = strconv.ParseUint(line_split[15], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_302, err = strconv.ParseUint(line_split[16], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_304, err = strconv.ParseUint(line_split[17], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_403, err = strconv.ParseUint(line_split[18], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_404, err = strconv.ParseUint(line_split[19], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_416, err = strconv.ParseUint(line_split[20], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_499, err = strconv.ParseUint(line_split[21], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_500, err = strconv.ParseUint(line_split[22], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_502, err = strconv.ParseUint(line_split[23], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_503, err = strconv.ParseUint(line_split[24], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_504, err = strconv.ParseUint(line_split[25], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_508, err = strconv.ParseUint(line_split[26], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_other_detail_status, err = strconv.ParseUint(line_split[27], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_ups_4xx, err = strconv.ParseUint(line_split[28], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tenginestatus.http_ups_5xx, err = strconv.ParseUint(line_split[29], 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tags := getTags(addr, tenginestatus.host)
|
|
fields := map[string]interface{}{
|
|
"bytes_in": tenginestatus.bytes_in,
|
|
"bytes_out": tenginestatus.bytes_out,
|
|
"conn_total": tenginestatus.conn_total,
|
|
"req_total": tenginestatus.req_total,
|
|
"http_2xx": tenginestatus.http_2xx,
|
|
"http_3xx": tenginestatus.http_3xx,
|
|
"http_4xx": tenginestatus.http_4xx,
|
|
"http_5xx": tenginestatus.http_5xx,
|
|
"http_other_status": tenginestatus.http_other_status,
|
|
"rt": tenginestatus.rt,
|
|
"ups_req": tenginestatus.ups_req,
|
|
"ups_rt": tenginestatus.ups_rt,
|
|
"ups_tries": tenginestatus.ups_tries,
|
|
"http_200": tenginestatus.http_200,
|
|
"http_206": tenginestatus.http_206,
|
|
"http_302": tenginestatus.http_302,
|
|
"http_304": tenginestatus.http_304,
|
|
"http_403": tenginestatus.http_403,
|
|
"http_404": tenginestatus.http_404,
|
|
"http_416": tenginestatus.http_416,
|
|
"http_499": tenginestatus.http_499,
|
|
"http_500": tenginestatus.http_500,
|
|
"http_502": tenginestatus.http_502,
|
|
"http_503": tenginestatus.http_503,
|
|
"http_504": tenginestatus.http_504,
|
|
"http_508": tenginestatus.http_508,
|
|
"http_other_detail_status": tenginestatus.http_other_detail_status,
|
|
"http_ups_4xx": tenginestatus.http_ups_4xx,
|
|
"http_ups_5xx": tenginestatus.http_ups_5xx,
|
|
}
|
|
acc.AddFields("tengine", fields, tags)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Get tag(s) for the tengine plugin
|
|
func getTags(addr *url.URL, server_name string) map[string]string {
|
|
h := addr.Host
|
|
host, port, err := net.SplitHostPort(h)
|
|
if err != nil {
|
|
host = addr.Host
|
|
if addr.Scheme == "http" {
|
|
port = "80"
|
|
} else if addr.Scheme == "https" {
|
|
port = "443"
|
|
} else {
|
|
port = ""
|
|
}
|
|
}
|
|
return map[string]string{"server": host, "port": port, "server_name": server_name}
|
|
}
|
|
|
|
func init() {
|
|
inputs.Add("tengine", func() telegraf.Input {
|
|
return &Tengine{}
|
|
})
|
|
}
|