func processResponse(acc plugins.Accumulator, prefix string, tags map[string]string, v interface{}) {
switch t := v.(type) {
case map[string]interface{}:
for k, v := range t {
processResponse(acc, prefix+"_"+k, tags, v)
}
case float64:
acc.Add(prefix, v, tags)
}
}
func (e *Engine) AddEngineStats(keys []string, acc plugins.Accumulator, tags map[string]string) {
engine := reflect.ValueOf(e).Elem()
for _, key := range keys {
acc.Add(
key,
engine.FieldByName(engineStats[key]).Interface(),
tags,
)
}
}
func (s *NetIOStats) Gather(acc plugins.Accumulator) error {
netio, err := s.ps.NetIO()
if err != nil {
return fmt.Errorf("error getting net io info: %s", err)
}
for _, io := range netio {
if len(s.Interfaces) != 0 {
var found bool
for _, name := range s.Interfaces {
if name == io.Name {
found = true
break
}
}
if !found {
continue
}
} else if !s.skipChecks {
iface, err := net.InterfaceByName(io.Name)
if err != nil {
continue
}
if iface.Flags&net.FlagLoopback == net.FlagLoopback {
continue
}
if iface.Flags&net.FlagUp == 0 {
continue
}
}
tags := map[string]string{
"interface": io.Name,
}
acc.Add("bytes_sent", io.BytesSent, tags)
acc.Add("bytes_recv", io.BytesRecv, tags)
acc.Add("packets_sent", io.PacketsSent, tags)
acc.Add("packets_recv", io.PacketsRecv, tags)
acc.Add("err_in", io.Errin, tags)
acc.Add("err_out", io.Errout, tags)
acc.Add("drop_in", io.Dropin, tags)
acc.Add("drop_out", io.Dropout, tags)
}
return nil
}
func (l *Lustre2) GetLustreProcStats(fileglob string, wanted_fields []*mapping, acc plugins.Accumulator) error {
files, err := filepath.Glob(fileglob)
if err != nil {
return err
}
for _, file := range files {
/* Turn /proc/fs/lustre/obdfilter/<ost_name>/stats and similar
* into just the object store target name
* Assumpion: the target name is always second to last,
* which is true in Lustre 2.1->2.5
*/
path := strings.Split(file, "/")
name := path[len(path)-2]
tags := map[string]string{
"name": name,
}
lines, err := common.ReadLines(file)
if err != nil {
return err
}
for _, line := range lines {
fields := strings.Fields(line)
for _, wanted := range wanted_fields {
var data uint64
if fields[0] == wanted.inProc {
wanted_field := wanted.field
// if not set, assume field[1]. Shouldn't be field[0], as
// that's a string
if wanted_field == 0 {
wanted_field = 1
}
data, err = strconv.ParseUint((fields[wanted_field]), 10, 64)
if err != nil {
return err
}
report_name := wanted.inProc
if wanted.reportAs != "" {
report_name = wanted.reportAs
}
acc.Add(report_name, data, tags)
}
}
}
}
return nil
}
func (s *SwapStats) Gather(acc plugins.Accumulator) error {
swap, err := s.ps.SwapStat()
if err != nil {
return fmt.Errorf("error getting swap memory info: %s", err)
}
swaptags := map[string]string(nil)
acc.Add("total", swap.Total, swaptags)
acc.Add("used", swap.Used, swaptags)
acc.Add("free", swap.Free, swaptags)
acc.Add("used_perc", swap.UsedPercent, swaptags)
acc.Add("in", swap.Sin, swaptags)
acc.Add("out", swap.Sout, swaptags)
return nil
}
func (e *Elasticsearch) parseInterface(acc plugins.Accumulator, prefix string, tags map[string]string, v interface{}) error {
switch t := v.(type) {
case map[string]interface{}:
for k, v := range t {
if err := e.parseInterface(acc, prefix+"_"+k, tags, v); err != nil {
return err
}
}
case float64:
acc.Add(prefix, t, tags)
case bool, string, []interface{}:
// ignored types
return nil
default:
return fmt.Errorf("elasticsearch: got unexpected type %T with value %v (%s)", t, t, prefix)
}
return nil
}
func (_ *SystemStats) Gather(acc plugins.Accumulator) error {
loadavg := sigar.LoadAverage{}
if err := loadavg.Get(); err != nil {
return err
}
uptime := sigar.Uptime{}
if err := uptime.Get(); err != nil {
return err
}
acc.Add("load1", loadavg.One, nil)
acc.Add("load5", loadavg.Five, nil)
acc.Add("load15", loadavg.Fifteen, nil)
acc.Add("uptime", uptime.Length, nil)
acc.Add("uptime_format", uptime.Format(), nil)
return nil
}
func emitMetrics(k *Kafka, acc plugins.Accumulator, metricConsumer <-chan []byte) error {
timeout := time.After(1 * time.Second)
for {
select {
case batch := <-metricConsumer:
var points []tsdb.Point
var err error
if points, err = tsdb.ParsePoints(batch); err != nil {
return err
}
for _, point := range points {
acc.AddValuesWithTime(point.Name(), point.Fields(), point.Tags(), point.Time())
}
case <-timeout:
return nil
}
}
}
func (p *Ping) Gather(acc plugins.Accumulator) error {
var wg sync.WaitGroup
errorChannel := make(chan error, len(p.Urls)*2)
// Spin off a go routine for each url to ping
for _, url := range p.Urls {
wg.Add(1)
go func(url string, acc plugins.Accumulator) {
defer wg.Done()
args := p.args(url)
out, err := p.pingHost(args...)
if err != nil {
// Combine go err + stderr output
errorChannel <- errors.New(
strings.TrimSpace(out) + ", " + err.Error())
}
tags := map[string]string{"url": url}
trans, rec, avg, err := processPingOutput(out)
if err != nil {
// fatal error
errorChannel <- err
return
}
// Calculate packet loss percentage
loss := float64(trans-rec) / float64(trans) * 100.0
acc.Add("packets_transmitted", trans, tags)
acc.Add("packets_received", rec, tags)
acc.Add("percent_packet_loss", loss, tags)
acc.Add("average_response_ms", avg, tags)
}(url, acc)
}
wg.Wait()
close(errorChannel)
// Get all errors and return them as one giant error
errorStrings := []string{}
for err := range errorChannel {
errorStrings = append(errorStrings, err.Error())
}
if len(errorStrings) == 0 {
return nil
}
return errors.New(strings.Join(errorStrings, "\n"))
}
func (l *LeoFS) gatherServer(endpoint string, serverType ServerType, acc plugins.Accumulator) error {
cmd := exec.Command("snmpwalk", "-v2c", "-cpublic", endpoint, oid)
stdout, err := cmd.StdoutPipe()
if err != nil {
return err
}
cmd.Start()
defer cmd.Wait()
scanner := bufio.NewScanner(stdout)
if !scanner.Scan() {
return fmt.Errorf("Unable to retrieve the node name")
}
nodeName, err := retrieveTokenAfterColon(scanner.Text())
if err != nil {
return err
}
nodeNameTrimmed := strings.Trim(nodeName, "\"")
tags := map[string]string{
"node": nodeNameTrimmed,
}
i := 0
for scanner.Scan() {
key := KeyMapping[serverType][i]
val, err := retrieveTokenAfterColon(scanner.Text())
if err != nil {
return err
}
fVal, err := strconv.ParseFloat(val, 64)
if err != nil {
return fmt.Errorf("Unable to parse the value:%s, err:%s", val, err)
}
acc.Add(key, fVal, tags)
i++
}
return nil
}
func (n *Apache) gatherUrl(addr *url.URL, acc plugins.Accumulator) error {
resp, err := 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)
}
tags := getTags(addr)
sc := bufio.NewScanner(resp.Body)
for sc.Scan() {
line := sc.Text()
if strings.Contains(line, ":") {
parts := strings.SplitN(line, ":", 2)
key, part := strings.Replace(parts[0], " ", "", -1), strings.TrimSpace(parts[1])
switch key {
case "Scoreboard":
n.gatherScores(part, acc, tags)
default:
value, err := strconv.ParseFloat(part, 32)
if err != nil {
continue
}
acc.Add(key, value, tags)
}
}
}
return nil
}
func importCsvResult(r io.Reader, acc plugins.Accumulator, host string) ([][]string, error) {
csv := csv.NewReader(r)
result, err := csv.ReadAll()
for _, row := range result {
for field, v := range row {
tags := map[string]string{
"host": host,
"proxy": row[HF_PXNAME],
"sv": row[HF_SVNAME],
}
switch field {
case HF_QCUR:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("qcur", ival, tags)
}
case HF_QMAX:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("qmax", ival, tags)
}
case HF_SCUR:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("scur", ival, tags)
}
case HF_SMAX:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("smax", ival, tags)
}
case HF_BIN:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("bin", ival, tags)
}
case HF_BOUT:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("bout", ival, tags)
}
case HF_DREQ:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("dreq", ival, tags)
}
case HF_DRESP:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("dresp", ival, tags)
}
case HF_RATE:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("rate", ival, tags)
}
case HF_RATE_MAX:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("rate_max", ival, tags)
}
case HF_STOT:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("stot", ival, tags)
}
case HF_HRSP_1xx:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("http_response.1xx", ival, tags)
}
case HF_HRSP_2xx:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("http_response.2xx", ival, tags)
}
case HF_HRSP_3xx:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("http_response.3xx", ival, tags)
}
case HF_HRSP_4xx:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("http_response.4xx", ival, tags)
}
case HF_EREQ:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("ereq", ival, tags)
}
case HF_ERESP:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("eresp", ival, tags)
}
case HF_ECON:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("econ", ival, tags)
}
case HF_WRETR:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("wretr", ival, tags)
}
case HF_WREDIS:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("wredis", ival, tags)
}
case HF_REQ_RATE:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("req_rate", ival, tags)
}
case HF_REQ_RATE_MAX:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("req_rate_max", ival, tags)
}
case HF_REQ_TOT:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("req_tot", ival, tags)
}
case HF_THROTTLE:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("throttle", ival, tags)
}
case HF_LBTOT:
ival, err := strconv.ParseUint(v, 10, 64)
if err == nil {
acc.Add("lbtot", ival, tags)
}
}
}
}
return result, err
}
func (s *MemStats) Gather(acc plugins.Accumulator) error {
vm, err := s.ps.VMStat()
if err != nil {
return fmt.Errorf("error getting virtual memory info: %s", err)
}
vmtags := map[string]string(nil)
acc.Add("total", vm.Total, vmtags)
acc.Add("available", vm.Available, vmtags)
acc.Add("used", vm.Used, vmtags)
acc.Add("used_perc", vm.UsedPercent, vmtags)
acc.Add("free", vm.Free, vmtags)
acc.Add("active", vm.Active, vmtags)
acc.Add("inactive", vm.Inactive, vmtags)
acc.Add("buffers", vm.Buffers, vmtags)
acc.Add("cached", vm.Cached, vmtags)
acc.Add("wired", vm.Wired, vmtags)
acc.Add("shared", vm.Shared, vmtags)
return nil
}
func (g *Disque) gatherServer(addr *url.URL, acc plugins.Accumulator) error {
if g.c == nil {
_, _, err := net.SplitHostPort(addr.Host)
if err != nil {
addr.Host = addr.Host + ":" + defaultPort
}
c, err := net.Dial("tcp", addr.Host)
if err != nil {
return fmt.Errorf("Unable to connect to disque server '%s': %s", addr.Host, err)
}
if addr.User != nil {
pwd, set := addr.User.Password()
if set && pwd != "" {
c.Write([]byte(fmt.Sprintf("AUTH %s\r\n", pwd)))
r := bufio.NewReader(c)
line, err := r.ReadString('\n')
if err != nil {
return err
}
if line[0] != '+' {
return fmt.Errorf("%s", strings.TrimSpace(line)[1:])
}
}
}
g.c = c
}
g.c.Write([]byte("info\r\n"))
r := bufio.NewReader(g.c)
line, err := r.ReadString('\n')
if err != nil {
return err
}
if line[0] != '$' {
return fmt.Errorf("bad line start: %s", ErrProtocolError)
}
line = strings.TrimSpace(line)
szStr := line[1:]
sz, err := strconv.Atoi(szStr)
if err != nil {
return fmt.Errorf("bad size string <<%s>>: %s", szStr, ErrProtocolError)
}
var read int
for read < sz {
line, err := r.ReadString('\n')
if err != nil {
return err
}
read += len(line)
if len(line) == 1 || line[0] == '#' {
continue
}
parts := strings.SplitN(line, ":", 2)
name := string(parts[0])
metric, ok := Tracking[name]
if !ok {
continue
}
tags := map[string]string{"host": addr.String()}
val := strings.TrimSpace(parts[1])
ival, err := strconv.ParseUint(val, 10, 64)
if err == nil {
acc.Add(metric, ival, tags)
continue
}
fval, err := strconv.ParseFloat(val, 64)
if err != nil {
return err
}
acc.Add(metric, fval, tags)
}
return nil
}
func (s *DockerStats) Gather(acc plugins.Accumulator) error {
containers, err := s.ps.DockerStat()
if err != nil {
return fmt.Errorf("error getting docker info: %s", err)
}
for _, cont := range containers {
tags := map[string]string{
"id": cont.Id,
"name": cont.Name,
"command": cont.Command,
}
cts := cont.CPU
acc.Add("user", cts.User, tags)
acc.Add("system", cts.System, tags)
acc.Add("idle", cts.Idle, tags)
acc.Add("nice", cts.Nice, tags)
acc.Add("iowait", cts.Iowait, tags)
acc.Add("irq", cts.Irq, tags)
acc.Add("softirq", cts.Softirq, tags)
acc.Add("steal", cts.Steal, tags)
acc.Add("guest", cts.Guest, tags)
acc.Add("guestNice", cts.GuestNice, tags)
acc.Add("stolen", cts.Stolen, tags)
acc.Add("cache", cont.Mem.Cache, tags)
acc.Add("rss", cont.Mem.RSS, tags)
acc.Add("rss_huge", cont.Mem.RSSHuge, tags)
acc.Add("mapped_file", cont.Mem.MappedFile, tags)
acc.Add("swap_in", cont.Mem.Pgpgin, tags)
acc.Add("swap_out", cont.Mem.Pgpgout, tags)
acc.Add("page_fault", cont.Mem.Pgfault, tags)
acc.Add("page_major_fault", cont.Mem.Pgmajfault, tags)
acc.Add("inactive_anon", cont.Mem.InactiveAnon, tags)
acc.Add("active_anon", cont.Mem.ActiveAnon, tags)
acc.Add("inactive_file", cont.Mem.InactiveFile, tags)
acc.Add("active_file", cont.Mem.ActiveFile, tags)
acc.Add("unevictable", cont.Mem.Unevictable, tags)
acc.Add("memory_limit", cont.Mem.HierarchicalMemoryLimit, tags)
acc.Add("total_cache", cont.Mem.TotalCache, tags)
acc.Add("total_rss", cont.Mem.TotalRSS, tags)
acc.Add("total_rss_huge", cont.Mem.TotalRSSHuge, tags)
acc.Add("total_mapped_file", cont.Mem.TotalMappedFile, tags)
acc.Add("total_swap_in", cont.Mem.TotalPgpgIn, tags)
acc.Add("total_swap_out", cont.Mem.TotalPgpgOut, tags)
acc.Add("total_page_fault", cont.Mem.TotalPgFault, tags)
acc.Add("total_page_major_fault", cont.Mem.TotalPgMajFault, tags)
acc.Add("total_inactive_anon", cont.Mem.TotalInactiveAnon, tags)
acc.Add("total_active_anon", cont.Mem.TotalActiveAnon, tags)
acc.Add("total_inactive_file", cont.Mem.TotalInactiveFile, tags)
acc.Add("total_active_file", cont.Mem.TotalActiveFile, tags)
acc.Add("total_unevictable", cont.Mem.TotalUnevictable, tags)
}
return nil
}
func (n *Nginx) gatherUrl(addr *url.URL, acc plugins.Accumulator) error {
resp, err := 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)
// Active connections
_, err = r.ReadString(':')
if err != nil {
return err
}
line, err := r.ReadString('\n')
if err != nil {
return err
}
active, err := strconv.ParseUint(strings.TrimSpace(line), 10, 64)
if err != nil {
return err
}
// Server accepts handled requests
_, err = r.ReadString('\n')
if err != nil {
return err
}
line, err = r.ReadString('\n')
if err != nil {
return err
}
data := strings.SplitN(strings.TrimSpace(line), " ", 3)
accepts, err := strconv.ParseUint(data[0], 10, 64)
if err != nil {
return err
}
handled, err := strconv.ParseUint(data[1], 10, 64)
if err != nil {
return err
}
requests, err := strconv.ParseUint(data[2], 10, 64)
if err != nil {
return err
}
// Reading/Writing/Waiting
line, err = r.ReadString('\n')
if err != nil {
return err
}
data = strings.SplitN(strings.TrimSpace(line), " ", 6)
reading, err := strconv.ParseUint(data[1], 10, 64)
if err != nil {
return err
}
writing, err := strconv.ParseUint(data[3], 10, 64)
if err != nil {
return err
}
waiting, err := strconv.ParseUint(data[5], 10, 64)
if err != nil {
return err
}
tags := getTags(addr)
acc.Add("active", active, tags)
acc.Add("accepts", accepts, tags)
acc.Add("handled", handled, tags)
acc.Add("requests", requests, tags)
acc.Add("reading", reading, tags)
acc.Add("writing", writing, tags)
acc.Add("waiting", waiting, tags)
return nil
}
func (s *Storage) AddStats(acc plugins.Accumulator, tags map[string]string) {
acc.Add("cache_bytes_in_use", s.Cache.BytesInUse, tags)
acc.Add("disk_read_bytes_per_sec", s.Disk.ReadBytesPerSec, tags)
acc.Add("disk_read_bytes_total", s.Disk.ReadBytesTotal, tags)
acc.Add("disk_written_bytes_per_sec", s.Disk.WriteBytesPerSec, tags)
acc.Add("disk_written_bytes_total", s.Disk.WriteBytesTotal, tags)
acc.Add("disk_usage_data_bytes", s.Disk.SpaceUsage.Data, tags)
acc.Add("disk_usage_garbage_bytes", s.Disk.SpaceUsage.Garbage, tags)
acc.Add("disk_usage_metadata_bytes", s.Disk.SpaceUsage.Metadata, tags)
acc.Add("disk_usage_preallocated_bytes", s.Disk.SpaceUsage.Prealloc, tags)
}
func (p *Postgresql) accRow(row scanner, acc plugins.Accumulator, server string) error {
var ignore interface{}
var name string
var commit, rollback, read, hit int64
var returned, fetched, inserted, updated, deleted int64
var conflicts, temp_files, temp_bytes, deadlocks int64
var read_time, write_time float64
err := row.Scan(&ignore, &name, &ignore,
&commit, &rollback,
&read, &hit,
&returned, &fetched, &inserted, &updated, &deleted,
&conflicts, &temp_files, &temp_bytes,
&deadlocks, &read_time, &write_time,
&ignore,
)
if err != nil {
return err
}
tags := map[string]string{"server": server, "db": name}
acc.Add("xact_commit", commit, tags)
acc.Add("xact_rollback", rollback, tags)
acc.Add("blks_read", read, tags)
acc.Add("blks_hit", hit, tags)
acc.Add("tup_returned", returned, tags)
acc.Add("tup_fetched", fetched, tags)
acc.Add("tup_inserted", inserted, tags)
acc.Add("tup_updated", updated, tags)
acc.Add("tup_deleted", deleted, tags)
acc.Add("conflicts", conflicts, tags)
acc.Add("temp_files", temp_files, tags)
acc.Add("temp_bytes", temp_bytes, tags)
acc.Add("deadlocks", deadlocks, tags)
acc.Add("blk_read_time", read_time, tags)
acc.Add("blk_write_time", read_time, tags)
return nil
}
func (n *Apache) gatherScores(data string, acc plugins.Accumulator, tags map[string]string) {
var waiting, open int = 0, 0
var S, R, W, K, D, C, L, G, I int = 0, 0, 0, 0, 0, 0, 0, 0, 0
for _, s := range strings.Split(data, "") {
switch s {
case "_":
waiting++
case "S":
S++
case "R":
R++
case "W":
W++
case "K":
K++
case "D":
D++
case "C":
C++
case "L":
L++
case "G":
G++
case "I":
I++
case ".":
open++
}
}
acc.Add("scboard_waiting", float64(waiting), tags)
acc.Add("scboard_starting", float64(S), tags)
acc.Add("scboard_reading", float64(R), tags)
acc.Add("scboard_sending", float64(W), tags)
acc.Add("scboard_keepalive", float64(K), tags)
acc.Add("scboard_dnslookup", float64(D), tags)
acc.Add("scboard_closing", float64(C), tags)
acc.Add("scboard_logging", float64(L), tags)
acc.Add("scboard_finishing", float64(G), tags)
acc.Add("scboard_idle_cleanup", float64(I), tags)
acc.Add("scboard_open", float64(open), tags)
}
func (s *DiskIOStats) Gather(acc plugins.Accumulator) error {
diskio, err := s.ps.DiskIO()
if err != nil {
return fmt.Errorf("error getting disk io info: %s", err)
}
for _, io := range diskio {
tags := map[string]string{}
if len(io.Name) != 0 {
tags["name"] = io.Name
}
if len(io.SerialNumber) != 0 {
tags["serial"] = io.SerialNumber
}
acc.Add("reads", io.ReadCount, tags)
acc.Add("writes", io.WriteCount, tags)
acc.Add("read_bytes", io.ReadBytes, tags)
acc.Add("write_bytes", io.WriteBytes, tags)
acc.Add("read_time", io.ReadTime, tags)
acc.Add("write_time", io.WriteTime, tags)
acc.Add("io_time", io.IoTime, tags)
}
return nil
}
func (s *DiskStats) Gather(acc plugins.Accumulator) error {
disks, err := s.ps.DiskUsage()
if err != nil {
return fmt.Errorf("error getting disk usage info: %s", err)
}
for _, du := range disks {
tags := map[string]string{
"path": du.Path,
"fstype": du.Fstype,
}
acc.Add("total", du.Total, tags)
acc.Add("free", du.Free, tags)
acc.Add("used", du.Total-du.Free, tags)
acc.Add("inodes_total", du.InodesTotal, tags)
acc.Add("inodes_free", du.InodesFree, tags)
acc.Add("inodes_used", du.InodesTotal-du.InodesFree, tags)
}
return nil
}
func (r *RabbitMQ) gatherServer(serv *Server, acc plugins.Accumulator) error {
overview := &OverviewResponse{}
err := r.requestJSON(serv, "/api/overview", &overview)
if err != nil {
return err
}
tags := map[string]string{}
acc.Add("messages", overview.QueueTotals.Messages, tags)
acc.Add("messages_ready", overview.QueueTotals.MessagesReady, tags)
acc.Add("messages_unacked", overview.QueueTotals.MessagesUnacknowledged, tags)
acc.Add("channels", overview.ObjectTotals.Channels, tags)
acc.Add("connections", overview.ObjectTotals.Connections, tags)
acc.Add("consumers", overview.ObjectTotals.Consumers, tags)
acc.Add("exchanges", overview.ObjectTotals.Exchanges, tags)
acc.Add("queues", overview.ObjectTotals.Queues, tags)
if overview.MessageStats != nil {
acc.Add("messages_acked", overview.MessageStats.Ack, tags)
acc.Add("messages_delivered", overview.MessageStats.Deliver, tags)
acc.Add("messages_published", overview.MessageStats.Publish, tags)
}
nodes := make([]Node, 0)
err = r.requestJSON(serv, "/api/nodes", &nodes)
if err != nil {
return err
}
for _, node := range nodes {
if !shouldGatherNode(node, serv) {
continue
}
tags = map[string]string{"node": node.Name}
acc.Add("disk_free", node.DiskFree, tags)
acc.Add("disk_free_limit", node.DiskFreeLimit, tags)
acc.Add("fd_total", node.FdTotal, tags)
acc.Add("fd_used", node.FdUsed, tags)
acc.Add("mem_limit", node.MemLimit, tags)
acc.Add("mem_used", node.MemUsed, tags)
acc.Add("proc_total", node.ProcTotal, tags)
acc.Add("proc_used", node.ProcUsed, tags)
acc.Add("run_queue", node.RunQueue, tags)
acc.Add("sockets_total", node.SocketsTotal, tags)
acc.Add("sockets_used", node.SocketsUsed, tags)
}
return nil
}
func (m *Memcached) gatherServer(address string, acc plugins.Accumulator) error {
_, _, err := net.SplitHostPort(address)
if err != nil {
address = address + ":11211"
}
// Connect
conn, err := net.DialTimeout("tcp", address, defaultTimeout)
if err != nil {
return err
}
defer conn.Close()
// Extend connection
conn.SetDeadline(time.Now().Add(defaultTimeout))
// Read and write buffer
rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
// Send command
if _, err = fmt.Fprint(rw, "stats\r\n"); err != nil {
return err
}
if err = rw.Flush(); err != nil {
return err
}
// Read response
values := make(map[string]string)
for {
// Read line
line, _, errRead := rw.Reader.ReadLine()
if errRead != nil {
return errRead
}
// Done
if bytes.Equal(line, []byte("END")) {
break
}
// Read values
s := bytes.SplitN(line, []byte(" "), 3)
if len(s) != 3 || !bytes.Equal(s[0], []byte("STAT")) {
return fmt.Errorf("unexpected line in stats response: %q", line)
}
// Save values
values[string(s[1])] = string(s[2])
}
// Add server address as a tag
tags := map[string]string{"server": address}
// Process values
for _, key := range sendAsIs {
if value, ok := values[key]; ok {
// Mostly it is the number
if iValue, errParse := strconv.ParseInt(value, 10, 64); errParse != nil {
acc.Add(key, value, tags)
} else {
acc.Add(key, iValue, tags)
}
}
}
return nil
}
func (m *Mysql) gatherServer(serv string, acc plugins.Accumulator) error {
if serv == "localhost" {
serv = ""
}
db, err := sql.Open("mysql", serv)
if err != nil {
return err
}
defer db.Close()
rows, err := db.Query(`SHOW /*!50002 GLOBAL */ STATUS`)
if err != nil {
return err
}
for rows.Next() {
var name string
var val interface{}
err = rows.Scan(&name, &val)
if err != nil {
return err
}
var found bool
// Parse out user/password from server address tag if given
var servtag string
if strings.Contains(serv, "@") {
servtag = strings.Split(serv, "@")[1]
} else {
servtag = serv
}
tags := map[string]string{"server": servtag}
for _, mapped := range mappings {
if strings.HasPrefix(name, mapped.onServer) {
i, _ := strconv.Atoi(string(val.([]byte)))
acc.Add(mapped.inExport+name[len(mapped.onServer):], i, tags)
found = true
}
}
if found {
continue
}
switch name {
case "Queries":
i, err := strconv.ParseInt(string(val.([]byte)), 10, 64)
if err != nil {
return err
}
acc.Add("queries", i, tags)
case "Slow_queries":
i, err := strconv.ParseInt(string(val.([]byte)), 10, 64)
if err != nil {
return err
}
acc.Add("slow_queries", i, tags)
}
}
return nil
}
func (_ *SystemStats) add(acc plugins.Accumulator,
name string, val float64, tags map[string]string) {
if val >= 0 {
acc.Add(name, val, tags)
}
}