Fixed formatting
This commit is contained in:
Greg Linton
parent
f4c8d2f683
commit
08c548d408
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@ -1,30 +1,29 @@
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package haproxy
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import (
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"encoding/csv"
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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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"io"
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"net"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"sync"
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"time"
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"encoding/csv"
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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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"io"
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"net"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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type haproxy struct {
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Servers []string
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Servers []string
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client *http.Client
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client *http.Client
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}
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var sampleConfig = `
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## An array of address to gather stats about. Specify an ip on hostname
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## with optional port. ie localhost, 10.10.3.33:1936, etc.
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## If no servers are specified, then default to 127.0.0.1:1936
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servers = ["http://myhaproxy.com:1936", "http://anotherhaproxy.com:1936"]
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## Or you can also use local socket
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@ -32,215 +31,214 @@ var sampleConfig = `
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`
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func (r *haproxy) SampleConfig() string {
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return sampleConfig
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return sampleConfig
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}
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func (r *haproxy) Description() string {
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return "Read metrics of haproxy, via socket or csv stats page"
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return "Read metrics of haproxy, via socket or csv stats page"
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}
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// Reads stats from all configured servers accumulates stats.
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// Returns one of the errors encountered while gather stats (if any).
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func (g *haproxy) Gather(acc telegraf.Accumulator) error {
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if len(g.Servers) == 0 {
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return g.gatherServer("http://127.0.0.1:1936", acc)
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}
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if len(g.Servers) == 0 {
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return g.gatherServer("http://127.0.0.1:1936", acc)
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}
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var wg sync.WaitGroup
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var wg sync.WaitGroup
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var outerr error
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var outerr error
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for _, serv := range g.Servers {
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wg.Add(1)
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go func(serv string) {
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defer wg.Done()
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outerr = g.gatherServer(serv, acc)
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}(serv)
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}
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for _, serv := range g.Servers {
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wg.Add(1)
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go func(serv string) {
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defer wg.Done()
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outerr = g.gatherServer(serv, acc)
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}(serv)
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}
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wg.Wait()
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wg.Wait()
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return outerr
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return outerr
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}
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func (g *haproxy) gatherServerSocket(addr string, acc telegraf.Accumulator) error {
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var socketPath string
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socketAddr := strings.Split(addr, ":")
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var socketPath string
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socketAddr := strings.Split(addr, ":")
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if len(socketAddr) >= 2 {
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socketPath = socketAddr[1]
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} else {
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socketPath = socketAddr[0]
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}
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if len(socketAddr) >= 2 {
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socketPath = socketAddr[1]
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} else {
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socketPath = socketAddr[0]
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}
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c, err := net.Dial("unix", socketPath)
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c, err := net.Dial("unix", socketPath)
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if err != nil {
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return fmt.Errorf("Could not connect to socket '%s': %s", addr, err)
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}
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if err != nil {
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return fmt.Errorf("Could not connect to socket '%s': %s", addr, err)
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}
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_, errw := c.Write([]byte("show stat\n"))
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_, errw := c.Write([]byte("show stat\n"))
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if errw != nil {
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return fmt.Errorf("Could not write to socket '%s': %s", addr, errw)
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}
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if errw != nil {
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return fmt.Errorf("Could not write to socket '%s': %s", addr, errw)
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}
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return importCsvResult(c, acc, socketPath)
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return importCsvResult(c, acc, socketPath)
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}
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func (g *haproxy) gatherServer(addr string, acc telegraf.Accumulator) error {
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if !strings.HasPrefix(addr, "http") {
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return g.gatherServerSocket(addr, acc)
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}
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if !strings.HasPrefix(addr, "http") {
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return g.gatherServerSocket(addr, acc)
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}
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if g.client == nil {
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tr := &http.Transport{ResponseHeaderTimeout: time.Duration(3 * time.Second)}
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client := &http.Client{
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Transport: tr,
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Timeout: time.Duration(4 * time.Second),
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}
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g.client = client
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}
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if g.client == nil {
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tr := &http.Transport{ResponseHeaderTimeout: time.Duration(3 * time.Second)}
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client := &http.Client{
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Transport: tr,
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Timeout: time.Duration(4 * time.Second),
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}
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g.client = client
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}
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u, err := url.Parse(addr)
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if err != nil {
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return fmt.Errorf("Unable parse server address '%s': %s", addr, err)
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}
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u, err := url.Parse(addr)
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if err != nil {
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return fmt.Errorf("Unable parse server address '%s': %s", addr, err)
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}
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req, err := http.NewRequest("GET", fmt.Sprintf("%s://%s%s/;csv", u.Scheme, u.Host, u.Path), nil)
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if u.User != nil {
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p, _ := u.User.Password()
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req.SetBasicAuth(u.User.Username(), p)
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}
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req, err := http.NewRequest("GET", fmt.Sprintf("%s://%s%s/;csv", u.Scheme, u.Host, u.Path), nil)
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if u.User != nil {
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p, _ := u.User.Password()
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req.SetBasicAuth(u.User.Username(), p)
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}
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res, err := g.client.Do(req)
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if err != nil {
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return fmt.Errorf("Unable to connect to haproxy server '%s': %s", addr, err)
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}
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res, err := g.client.Do(req)
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if err != nil {
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return fmt.Errorf("Unable to connect to haproxy server '%s': %s", addr, err)
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}
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if res.StatusCode != 200 {
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return fmt.Errorf("Unable to get valid stat result from '%s': %s", addr, err)
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}
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if res.StatusCode != 200 {
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return fmt.Errorf("Unable to get valid stat result from '%s': %s", addr, err)
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}
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return importCsvResult(res.Body, acc, u.Host)
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return importCsvResult(res.Body, acc, u.Host)
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}
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func importCsvResult(r io.Reader, acc telegraf.Accumulator, host string) error {
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csv := csv.NewReader(r)
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result, err := csv.ReadAll()
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now := time.Now()
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csv := csv.NewReader(r)
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result, err := csv.ReadAll()
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now := time.Now()
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var keys []string
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px_sv_status := make(map[string]map[string]int)
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non_stat_fields := map[string]bool {
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"pxname": true,
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"svname": true,
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"status": true,
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"tracked": true,
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"check_status": true,
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"last_chk": true,
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"pid": true,
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"iid": true,
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"sid": true,
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"lastchg": true,
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"type": true,
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"check_code": true,
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}
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var keys []string
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px_sv_status := make(map[string]map[string]int)
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non_stat_fields := map[string]bool{
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"pxname": true,
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"svname": true,
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"status": true,
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"tracked": true,
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"check_status": true,
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"last_chk": true,
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"pid": true,
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"iid": true,
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"sid": true,
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"lastchg": true,
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"type": true,
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"check_code": true,
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}
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for i := range result {
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if i == 0 {
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keys = result[i]
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keys[0] = strings.Replace(keys[0], "# ", "", -1)
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} else {
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row := make(map[string]string, len(result[i]))
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for i := range result {
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if i == 0 {
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keys = result[i]
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keys[0] = strings.Replace(keys[0], "# ", "", -1)
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} else {
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for f, v := range result[i] {
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row[keys[f]] = v
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}
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tags := map[string]string{
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"server": host,
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"proxy": row["pxname"],
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"sv": row["svname"],
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}
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row := make(map[string]string, len(result[i]))
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if row["svname"] != "BACKEND" && row["svname"] != "FRONTEND" {
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if len(px_sv_status[row["pxname"]]) == 0 {
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px_sv_status[row["pxname"]] = map[string]int{
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"_status_act": 0,
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"_status_act_up": 0,
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"_status_act_down": 0,
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"_status_act_maint": 0,
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"_status_act_drain": 0,
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"_status_act_other": 0,
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"_status_bck": 0,
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"_status_bck_up": 0,
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"_status_bck_down": 0,
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"_status_bck_maint": 0,
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"_status_bck_drain": 0,
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"_status_bck_other": 0,
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}
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}
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if row["act"] == "1" {
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px_sv_status[row["pxname"]]["_status_act"]++
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switch row["status"] {
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case "UP":
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px_sv_status[row["pxname"]]["_status_act_up"]++
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case "DOWN":
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px_sv_status[row["pxname"]]["_status_act_down"]++
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case "MAINT":
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px_sv_status[row["pxname"]]["_status_act_maint"]++
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case "DRAIN":
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px_sv_status[row["pxname"]]["_status_act_drain"]++
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default:
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px_sv_status[row["pxname"]]["_status_act_other"]++
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}
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} else {
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px_sv_status[row["pxname"]]["_status_bck"]++
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switch row["status"] {
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case "UP":
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px_sv_status[row["pxname"]]["_status_bck_up"]++
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case "DOWN":
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px_sv_status[row["pxname"]]["_status_bck_down"]++
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case "MAINT":
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px_sv_status[row["pxname"]]["_status_bck_maint"]++
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case "DRAIN":
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px_sv_status[row["pxname"]]["_status_bck_drain"]++
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default:
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px_sv_status[row["pxname"]]["_status_bck_other"]++
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}
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}
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}
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for f, v := range result[i] {
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row[keys[f]] = v
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}
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if row["svname"] == "BACKEND" && len(px_sv_status[row["pxname"]]) > 0 {
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for s, c := range px_sv_status[row["pxname"]] {
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row[s] = strconv.Itoa(c)
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}
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}
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fields := make(map[string]interface{})
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for field, v := range row {
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if non_stat_fields[field] {
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continue
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}
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tags := map[string]string{
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"server": host,
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"proxy": row["pxname"],
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"sv": row["svname"],
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}
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ival, err := strconv.ParseUint(v, 10, 64)
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if err == nil {
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fields[field] = ival
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}
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}
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acc.AddFields("haproxy", fields, tags, now)
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}
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}
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return err
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if row["svname"] != "BACKEND" && row["svname"] != "FRONTEND" {
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if len(px_sv_status[row["pxname"]]) == 0 {
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px_sv_status[row["pxname"]] = map[string]int{
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"_status_act": 0,
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"_status_act_up": 0,
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"_status_act_down": 0,
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"_status_act_maint": 0,
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"_status_act_drain": 0,
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"_status_act_other": 0,
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"_status_bck": 0,
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"_status_bck_up": 0,
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"_status_bck_down": 0,
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"_status_bck_maint": 0,
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"_status_bck_drain": 0,
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"_status_bck_other": 0,
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}
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}
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if row["act"] == "1" {
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px_sv_status[row["pxname"]]["_status_act"]++
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switch row["status"] {
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case "UP":
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px_sv_status[row["pxname"]]["_status_act_up"]++
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case "DOWN":
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px_sv_status[row["pxname"]]["_status_act_down"]++
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case "MAINT":
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px_sv_status[row["pxname"]]["_status_act_maint"]++
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case "DRAIN":
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px_sv_status[row["pxname"]]["_status_act_drain"]++
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default:
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px_sv_status[row["pxname"]]["_status_act_other"]++
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}
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} else {
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px_sv_status[row["pxname"]]["_status_bck"]++
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switch row["status"] {
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case "UP":
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px_sv_status[row["pxname"]]["_status_bck_up"]++
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case "DOWN":
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px_sv_status[row["pxname"]]["_status_bck_down"]++
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case "MAINT":
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px_sv_status[row["pxname"]]["_status_bck_maint"]++
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case "DRAIN":
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px_sv_status[row["pxname"]]["_status_bck_drain"]++
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default:
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px_sv_status[row["pxname"]]["_status_bck_other"]++
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}
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}
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}
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if row["svname"] == "BACKEND" && len(px_sv_status[row["pxname"]]) > 0 {
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for s, c := range px_sv_status[row["pxname"]] {
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row[s] = strconv.Itoa(c)
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}
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}
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fields := make(map[string]interface{})
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for field, v := range row {
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if non_stat_fields[field] {
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continue
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}
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ival, err := strconv.ParseUint(v, 10, 64)
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if err == nil {
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fields[field] = ival
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}
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}
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acc.AddFields("haproxy", fields, tags, now)
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}
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}
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return err
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}
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func init() {
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inputs.Add("haproxy", func() telegraf.Input {
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return &haproxy{}
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})
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inputs.Add("haproxy", func() telegraf.Input {
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return &haproxy{}
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})
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}
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