2017-11-14 20:34:00 +03:00
|
|
|
// Copyright 2017 The go-ethereum Authors
|
|
|
|
// This file is part of the go-ethereum library.
|
|
|
|
//
|
|
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
|
|
// (at your option) any later version.
|
|
|
|
//
|
|
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
// GNU Lesser General Public License for more details.
|
|
|
|
//
|
|
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
package dashboard
|
|
|
|
|
2018-03-08 11:22:21 +03:00
|
|
|
//go:generate yarn --cwd ./assets install
|
|
|
|
//go:generate yarn --cwd ./assets build
|
|
|
|
//go:generate go-bindata -nometadata -o assets.go -prefix assets -nocompress -pkg dashboard assets/index.html assets/bundle.js
|
2018-01-15 12:20:00 +03:00
|
|
|
//go:generate sh -c "sed 's#var _bundleJs#//nolint:misspell\\\n&#' assets.go > assets.go.tmp && mv assets.go.tmp assets.go"
|
2018-03-08 11:22:21 +03:00
|
|
|
//go:generate sh -c "sed 's#var _indexHtml#//nolint:misspell\\\n&#' assets.go > assets.go.tmp && mv assets.go.tmp assets.go"
|
2018-01-08 15:15:57 +03:00
|
|
|
//go:generate gofmt -w -s assets.go
|
2017-11-14 20:34:00 +03:00
|
|
|
|
|
|
|
import (
|
|
|
|
"fmt"
|
|
|
|
"net"
|
|
|
|
"net/http"
|
2018-01-23 23:51:04 +03:00
|
|
|
"runtime"
|
2017-11-14 20:34:00 +03:00
|
|
|
"sync"
|
|
|
|
"sync/atomic"
|
|
|
|
"time"
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
"io"
|
|
|
|
|
2018-01-23 23:51:04 +03:00
|
|
|
"github.com/elastic/gosigar"
|
2017-11-14 20:34:00 +03:00
|
|
|
"github.com/ethereum/go-ethereum/log"
|
2018-02-23 12:56:08 +03:00
|
|
|
"github.com/ethereum/go-ethereum/metrics"
|
2017-11-14 20:34:00 +03:00
|
|
|
"github.com/ethereum/go-ethereum/p2p"
|
2018-01-15 12:20:00 +03:00
|
|
|
"github.com/ethereum/go-ethereum/params"
|
2017-11-14 20:34:00 +03:00
|
|
|
"github.com/ethereum/go-ethereum/rpc"
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
"github.com/mohae/deepcopy"
|
2017-11-14 20:34:00 +03:00
|
|
|
"golang.org/x/net/websocket"
|
|
|
|
)
|
|
|
|
|
|
|
|
const (
|
2018-01-23 23:51:04 +03:00
|
|
|
activeMemorySampleLimit = 200 // Maximum number of active memory data samples
|
|
|
|
virtualMemorySampleLimit = 200 // Maximum number of virtual memory data samples
|
|
|
|
networkIngressSampleLimit = 200 // Maximum number of network ingress data samples
|
|
|
|
networkEgressSampleLimit = 200 // Maximum number of network egress data samples
|
|
|
|
processCPUSampleLimit = 200 // Maximum number of process cpu data samples
|
|
|
|
systemCPUSampleLimit = 200 // Maximum number of system cpu data samples
|
|
|
|
diskReadSampleLimit = 200 // Maximum number of disk read data samples
|
|
|
|
diskWriteSampleLimit = 200 // Maximum number of disk write data samples
|
2017-11-14 20:34:00 +03:00
|
|
|
)
|
|
|
|
|
2017-12-21 18:54:38 +03:00
|
|
|
var nextID uint32 // Next connection id
|
2017-11-14 20:34:00 +03:00
|
|
|
|
|
|
|
// Dashboard contains the dashboard internals.
|
|
|
|
type Dashboard struct {
|
|
|
|
config *Config
|
|
|
|
|
|
|
|
listener net.Listener
|
|
|
|
conns map[uint32]*client // Currently live websocket connections
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
history *Message
|
2017-12-21 18:54:38 +03:00
|
|
|
lock sync.RWMutex // Lock protecting the dashboard's internals
|
2017-11-14 20:34:00 +03:00
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
logdir string
|
|
|
|
|
2017-11-14 20:34:00 +03:00
|
|
|
quit chan chan error // Channel used for graceful exit
|
|
|
|
wg sync.WaitGroup
|
|
|
|
}
|
|
|
|
|
|
|
|
// client represents active websocket connection with a remote browser.
|
|
|
|
type client struct {
|
|
|
|
conn *websocket.Conn // Particular live websocket connection
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
msg chan *Message // Message queue for the update messages
|
2017-11-14 20:34:00 +03:00
|
|
|
logger log.Logger // Logger for the particular live websocket connection
|
|
|
|
}
|
|
|
|
|
|
|
|
// New creates a new dashboard instance with the given configuration.
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
func New(config *Config, commit string, logdir string) *Dashboard {
|
2018-01-23 23:51:04 +03:00
|
|
|
now := time.Now()
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
versionMeta := ""
|
|
|
|
if len(params.VersionMeta) > 0 {
|
|
|
|
versionMeta = fmt.Sprintf(" (%s)", params.VersionMeta)
|
|
|
|
}
|
|
|
|
return &Dashboard{
|
2017-11-14 20:34:00 +03:00
|
|
|
conns: make(map[uint32]*client),
|
|
|
|
config: config,
|
|
|
|
quit: make(chan chan error),
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
history: &Message{
|
|
|
|
General: &GeneralMessage{
|
|
|
|
Commit: commit,
|
|
|
|
Version: fmt.Sprintf("v%d.%d.%d%s", params.VersionMajor, params.VersionMinor, params.VersionPatch, versionMeta),
|
|
|
|
},
|
|
|
|
System: &SystemMessage{
|
|
|
|
ActiveMemory: emptyChartEntries(now, activeMemorySampleLimit, config.Refresh),
|
|
|
|
VirtualMemory: emptyChartEntries(now, virtualMemorySampleLimit, config.Refresh),
|
|
|
|
NetworkIngress: emptyChartEntries(now, networkIngressSampleLimit, config.Refresh),
|
|
|
|
NetworkEgress: emptyChartEntries(now, networkEgressSampleLimit, config.Refresh),
|
|
|
|
ProcessCPU: emptyChartEntries(now, processCPUSampleLimit, config.Refresh),
|
|
|
|
SystemCPU: emptyChartEntries(now, systemCPUSampleLimit, config.Refresh),
|
|
|
|
DiskRead: emptyChartEntries(now, diskReadSampleLimit, config.Refresh),
|
|
|
|
DiskWrite: emptyChartEntries(now, diskWriteSampleLimit, config.Refresh),
|
|
|
|
},
|
2017-12-21 18:54:38 +03:00
|
|
|
},
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
logdir: logdir,
|
2018-01-23 23:51:04 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// emptyChartEntries returns a ChartEntry array containing limit number of empty samples.
|
|
|
|
func emptyChartEntries(t time.Time, limit int, refresh time.Duration) ChartEntries {
|
|
|
|
ce := make(ChartEntries, limit)
|
|
|
|
for i := 0; i < limit; i++ {
|
|
|
|
ce[i] = &ChartEntry{
|
|
|
|
Time: t.Add(-time.Duration(i) * refresh),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return ce
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
// Protocols implements the node.Service interface.
|
2017-11-14 20:34:00 +03:00
|
|
|
func (db *Dashboard) Protocols() []p2p.Protocol { return nil }
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
// APIs implements the node.Service interface.
|
2017-11-14 20:34:00 +03:00
|
|
|
func (db *Dashboard) APIs() []rpc.API { return nil }
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
// Start starts the data collection thread and the listening server of the dashboard.
|
|
|
|
// Implements the node.Service interface.
|
2017-11-14 20:34:00 +03:00
|
|
|
func (db *Dashboard) Start(server *p2p.Server) error {
|
2018-01-15 12:20:00 +03:00
|
|
|
log.Info("Starting dashboard")
|
|
|
|
|
2017-11-14 20:34:00 +03:00
|
|
|
db.wg.Add(2)
|
|
|
|
go db.collectData()
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
go db.streamLogs()
|
2017-11-14 20:34:00 +03:00
|
|
|
|
|
|
|
http.HandleFunc("/", db.webHandler)
|
|
|
|
http.Handle("/api", websocket.Handler(db.apiHandler))
|
|
|
|
|
|
|
|
listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", db.config.Host, db.config.Port))
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
db.listener = listener
|
|
|
|
|
|
|
|
go http.Serve(listener, nil)
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
// Stop stops the data collection thread and the connection listener of the dashboard.
|
|
|
|
// Implements the node.Service interface.
|
2017-11-14 20:34:00 +03:00
|
|
|
func (db *Dashboard) Stop() error {
|
|
|
|
// Close the connection listener.
|
|
|
|
var errs []error
|
|
|
|
if err := db.listener.Close(); err != nil {
|
|
|
|
errs = append(errs, err)
|
|
|
|
}
|
|
|
|
// Close the collectors.
|
|
|
|
errc := make(chan error, 1)
|
|
|
|
for i := 0; i < 2; i++ {
|
|
|
|
db.quit <- errc
|
|
|
|
if err := <-errc; err != nil {
|
|
|
|
errs = append(errs, err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Close the connections.
|
|
|
|
db.lock.Lock()
|
|
|
|
for _, c := range db.conns {
|
|
|
|
if err := c.conn.Close(); err != nil {
|
|
|
|
c.logger.Warn("Failed to close connection", "err", err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
db.lock.Unlock()
|
|
|
|
|
|
|
|
// Wait until every goroutine terminates.
|
|
|
|
db.wg.Wait()
|
|
|
|
log.Info("Dashboard stopped")
|
|
|
|
|
|
|
|
var err error
|
|
|
|
if len(errs) > 0 {
|
|
|
|
err = fmt.Errorf("%v", errs)
|
|
|
|
}
|
|
|
|
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
// webHandler handles all non-api requests, simply flattening and returning the dashboard website.
|
|
|
|
func (db *Dashboard) webHandler(w http.ResponseWriter, r *http.Request) {
|
|
|
|
log.Debug("Request", "URL", r.URL)
|
|
|
|
|
|
|
|
path := r.URL.String()
|
|
|
|
if path == "/" {
|
2018-03-08 11:22:21 +03:00
|
|
|
path = "/index.html"
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
2018-01-15 12:20:00 +03:00
|
|
|
blob, err := Asset(path[1:])
|
2017-11-14 20:34:00 +03:00
|
|
|
if err != nil {
|
|
|
|
log.Warn("Failed to load the asset", "path", path, "err", err)
|
|
|
|
http.Error(w, "not found", http.StatusNotFound)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
w.Write(blob)
|
|
|
|
}
|
|
|
|
|
|
|
|
// apiHandler handles requests for the dashboard.
|
|
|
|
func (db *Dashboard) apiHandler(conn *websocket.Conn) {
|
2017-12-21 18:54:38 +03:00
|
|
|
id := atomic.AddUint32(&nextID, 1)
|
2017-11-14 20:34:00 +03:00
|
|
|
client := &client{
|
|
|
|
conn: conn,
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
msg: make(chan *Message, 128),
|
2017-11-14 20:34:00 +03:00
|
|
|
logger: log.New("id", id),
|
|
|
|
}
|
2017-12-21 18:54:38 +03:00
|
|
|
done := make(chan struct{})
|
2017-11-14 20:34:00 +03:00
|
|
|
|
|
|
|
// Start listening for messages to send.
|
|
|
|
db.wg.Add(1)
|
|
|
|
go func() {
|
|
|
|
defer db.wg.Done()
|
|
|
|
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-done:
|
|
|
|
return
|
|
|
|
case msg := <-client.msg:
|
|
|
|
if err := websocket.JSON.Send(client.conn, msg); err != nil {
|
|
|
|
client.logger.Warn("Failed to send the message", "msg", msg, "err", err)
|
|
|
|
client.conn.Close()
|
|
|
|
return
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}()
|
2018-01-15 12:20:00 +03:00
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
db.lock.Lock()
|
2017-11-14 20:34:00 +03:00
|
|
|
// Send the past data.
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
client.msg <- deepcopy.Copy(db.history).(*Message)
|
2017-11-14 20:34:00 +03:00
|
|
|
// Start tracking the connection and drop at connection loss.
|
|
|
|
db.conns[id] = client
|
|
|
|
db.lock.Unlock()
|
|
|
|
defer func() {
|
|
|
|
db.lock.Lock()
|
|
|
|
delete(db.conns, id)
|
|
|
|
db.lock.Unlock()
|
|
|
|
}()
|
|
|
|
for {
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
r := new(Request)
|
|
|
|
if err := websocket.JSON.Receive(conn, r); err != nil {
|
|
|
|
if err != io.EOF {
|
|
|
|
client.logger.Warn("Failed to receive request", "err", err)
|
|
|
|
}
|
2017-11-14 20:34:00 +03:00
|
|
|
close(done)
|
|
|
|
return
|
|
|
|
}
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
if r.Logs != nil {
|
|
|
|
db.handleLogRequest(r.Logs, client)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// meterCollector returns a function, which retrieves a specific meter.
|
|
|
|
func meterCollector(name string) func() int64 {
|
|
|
|
if metric := metrics.DefaultRegistry.Get(name); metric != nil {
|
|
|
|
m := metric.(metrics.Meter)
|
|
|
|
return func() int64 {
|
|
|
|
return m.Count()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return func() int64 {
|
|
|
|
return 0
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// collectData collects the required data to plot on the dashboard.
|
|
|
|
func (db *Dashboard) collectData() {
|
|
|
|
defer db.wg.Done()
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
|
2018-01-23 23:51:04 +03:00
|
|
|
systemCPUUsage := gosigar.Cpu{}
|
|
|
|
systemCPUUsage.Get()
|
|
|
|
var (
|
2018-03-08 11:22:21 +03:00
|
|
|
mem runtime.MemStats
|
|
|
|
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
collectNetworkIngress = meterCollector("p2p/InboundTraffic")
|
|
|
|
collectNetworkEgress = meterCollector("p2p/OutboundTraffic")
|
|
|
|
collectDiskRead = meterCollector("eth/db/chaindata/disk/read")
|
|
|
|
collectDiskWrite = meterCollector("eth/db/chaindata/disk/write")
|
|
|
|
|
|
|
|
prevNetworkIngress = collectNetworkIngress()
|
|
|
|
prevNetworkEgress = collectNetworkEgress()
|
2018-01-23 23:51:04 +03:00
|
|
|
prevProcessCPUTime = getProcessCPUTime()
|
|
|
|
prevSystemCPUUsage = systemCPUUsage
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
prevDiskRead = collectDiskRead()
|
|
|
|
prevDiskWrite = collectDiskWrite()
|
2018-01-23 23:51:04 +03:00
|
|
|
|
|
|
|
frequency = float64(db.config.Refresh / time.Second)
|
|
|
|
numCPU = float64(runtime.NumCPU())
|
|
|
|
)
|
2017-11-14 20:34:00 +03:00
|
|
|
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case errc := <-db.quit:
|
|
|
|
errc <- nil
|
|
|
|
return
|
|
|
|
case <-time.After(db.config.Refresh):
|
2018-01-23 23:51:04 +03:00
|
|
|
systemCPUUsage.Get()
|
|
|
|
var (
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
curNetworkIngress = collectNetworkIngress()
|
|
|
|
curNetworkEgress = collectNetworkEgress()
|
2018-01-23 23:51:04 +03:00
|
|
|
curProcessCPUTime = getProcessCPUTime()
|
|
|
|
curSystemCPUUsage = systemCPUUsage
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
curDiskRead = collectDiskRead()
|
|
|
|
curDiskWrite = collectDiskWrite()
|
2018-01-23 23:51:04 +03:00
|
|
|
|
|
|
|
deltaNetworkIngress = float64(curNetworkIngress - prevNetworkIngress)
|
|
|
|
deltaNetworkEgress = float64(curNetworkEgress - prevNetworkEgress)
|
|
|
|
deltaProcessCPUTime = curProcessCPUTime - prevProcessCPUTime
|
2018-03-08 11:22:21 +03:00
|
|
|
deltaSystemCPUUsage = curSystemCPUUsage.Delta(prevSystemCPUUsage)
|
2018-01-23 23:51:04 +03:00
|
|
|
deltaDiskRead = curDiskRead - prevDiskRead
|
|
|
|
deltaDiskWrite = curDiskWrite - prevDiskWrite
|
|
|
|
)
|
|
|
|
prevNetworkIngress = curNetworkIngress
|
|
|
|
prevNetworkEgress = curNetworkEgress
|
|
|
|
prevProcessCPUTime = curProcessCPUTime
|
|
|
|
prevSystemCPUUsage = curSystemCPUUsage
|
|
|
|
prevDiskRead = curDiskRead
|
|
|
|
prevDiskWrite = curDiskWrite
|
|
|
|
|
2017-11-14 20:34:00 +03:00
|
|
|
now := time.Now()
|
2018-01-23 23:51:04 +03:00
|
|
|
|
|
|
|
runtime.ReadMemStats(&mem)
|
|
|
|
activeMemory := &ChartEntry{
|
2017-11-14 20:34:00 +03:00
|
|
|
Time: now,
|
2018-01-23 23:51:04 +03:00
|
|
|
Value: float64(mem.Alloc) / frequency,
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
2018-01-23 23:51:04 +03:00
|
|
|
virtualMemory := &ChartEntry{
|
2017-11-14 20:34:00 +03:00
|
|
|
Time: now,
|
2018-01-23 23:51:04 +03:00
|
|
|
Value: float64(mem.Sys) / frequency,
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
2018-01-23 23:51:04 +03:00
|
|
|
networkIngress := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: deltaNetworkIngress / frequency,
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
2018-01-23 23:51:04 +03:00
|
|
|
networkEgress := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: deltaNetworkEgress / frequency,
|
|
|
|
}
|
|
|
|
processCPU := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: deltaProcessCPUTime / frequency / numCPU * 100,
|
|
|
|
}
|
|
|
|
systemCPU := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: float64(deltaSystemCPUUsage.Sys+deltaSystemCPUUsage.User) / frequency / numCPU,
|
|
|
|
}
|
|
|
|
diskRead := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: float64(deltaDiskRead) / frequency,
|
|
|
|
}
|
|
|
|
diskWrite := &ChartEntry{
|
|
|
|
Time: now,
|
|
|
|
Value: float64(deltaDiskWrite) / frequency,
|
2017-11-14 20:34:00 +03:00
|
|
|
}
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
sys := db.history.System
|
|
|
|
db.lock.Lock()
|
|
|
|
sys.ActiveMemory = append(sys.ActiveMemory[1:], activeMemory)
|
|
|
|
sys.VirtualMemory = append(sys.VirtualMemory[1:], virtualMemory)
|
|
|
|
sys.NetworkIngress = append(sys.NetworkIngress[1:], networkIngress)
|
|
|
|
sys.NetworkEgress = append(sys.NetworkEgress[1:], networkEgress)
|
|
|
|
sys.ProcessCPU = append(sys.ProcessCPU[1:], processCPU)
|
|
|
|
sys.SystemCPU = append(sys.SystemCPU[1:], systemCPU)
|
|
|
|
sys.DiskRead = append(sys.DiskRead[1:], diskRead)
|
2018-07-30 12:48:16 +03:00
|
|
|
sys.DiskWrite = append(sys.DiskWrite[1:], diskWrite)
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
db.lock.Unlock()
|
2017-12-21 18:54:38 +03:00
|
|
|
|
|
|
|
db.sendToAll(&Message{
|
2018-03-08 11:22:21 +03:00
|
|
|
System: &SystemMessage{
|
2018-01-23 23:51:04 +03:00
|
|
|
ActiveMemory: ChartEntries{activeMemory},
|
|
|
|
VirtualMemory: ChartEntries{virtualMemory},
|
|
|
|
NetworkIngress: ChartEntries{networkIngress},
|
|
|
|
NetworkEgress: ChartEntries{networkEgress},
|
|
|
|
ProcessCPU: ChartEntries{processCPU},
|
|
|
|
SystemCPU: ChartEntries{systemCPU},
|
|
|
|
DiskRead: ChartEntries{diskRead},
|
|
|
|
DiskWrite: ChartEntries{diskWrite},
|
2017-12-21 18:54:38 +03:00
|
|
|
},
|
2017-11-14 20:34:00 +03:00
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// sendToAll sends the given message to the active dashboards.
|
2017-12-21 18:54:38 +03:00
|
|
|
func (db *Dashboard) sendToAll(msg *Message) {
|
2017-11-14 20:34:00 +03:00
|
|
|
db.lock.Lock()
|
|
|
|
for _, c := range db.conns {
|
|
|
|
select {
|
cmd, dashboard, log: log collection and exploration (#17097)
* cmd, dashboard, internal, log, node: logging feature
* cmd, dashboard, internal, log: requested changes
* dashboard, vendor: gofmt, govendor, use vendored file watcher
* dashboard, log: gofmt -s -w, goimports
* dashboard, log: gosimple
2018-07-11 10:59:04 +03:00
|
|
|
case c.msg <- msg:
|
2017-11-14 20:34:00 +03:00
|
|
|
default:
|
|
|
|
c.conn.Close()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
db.lock.Unlock()
|
|
|
|
}
|