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Code Issues Releases Wiki Activity

Scaling (#109)

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Make PWD scalable
This commit is contained in:
Marcos Nils
2017-03-13 18:07:20 -03:00
committed by Jonathan Leibiusky
parent 7df7a7c68f
commit a4b0a98df3
9 changed files with 103 additions and 21 deletions
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13
services/session.go
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@@ -14,6 +14,7 @@ import (
"github.com/docker/docker/api"
"github.com/docker/docker/client"
"github.com/franela/play-with-docker/config"
"github.com/googollee/go-socket.io"
"github.com/prometheus/client_golang/prometheus"
"github.com/twinj/uuid"
@@ -241,13 +242,13 @@ func NewSession(duration time.Duration) (*Session, error) {
log.Printf("Network [%s] created for session [%s]\n", s.Id, s.Id)
// Connect PWD daemon to the new network
ip, err := ConnectNetwork("pwd", s.Id, "")
ip, err := ConnectNetwork(config.PWDContainerName, s.Id, "")
if err != nil {
log.Println("ERROR NETWORKING")
return nil, err
}
s.PwdIpAddress = ip
log.Printf("Connected pwd to network [%s]\n", s.Id)
log.Printf("Connected %s to network [%s]\n", config.PWDContainerName, s.Id)
// Schedule peridic tasks execution
s.SchedulePeriodicTasks()
@@ -290,7 +291,7 @@ func setGauges() {
}
func LoadSessionsFromDisk() error {
file, err := os.Open("./pwd/sessions.gob")
file, err := os.Open(config.SessionsFile)
if err == nil {
decoder := gob.NewDecoder(file)
err = decoder.Decode(&sessions)
@@ -322,7 +323,7 @@ func LoadSessionsFromDisk() error {
if s.PwdIpAddress == "" {
log.Fatal("Cannot load stored sessions as they don't have the pwd ip address stored with them")
}
if _, err := ConnectNetwork("pwd", s.Id, s.PwdIpAddress); err != nil {
if _, err := ConnectNetwork(config.PWDContainerName, s.Id, s.PwdIpAddress); err != nil {
if strings.Contains(err.Error(), "Could not attach to network") {
log.Printf("Network for session [%s] doesn't exist. Removing all instances and session.", s.Id)
CloseSession(s)
@@ -331,7 +332,7 @@ func LoadSessionsFromDisk() error {
return err
}
} else {
log.Printf("Connected pwd to network [%s]\n", s.Id)
log.Printf("Connected %s to network [%s]\n", config.PWDContainerName, s.Id)
// Schedule peridic tasks execution
s.SchedulePeriodicTasks()
@@ -346,7 +347,7 @@ func LoadSessionsFromDisk() error {
func saveSessionsToDisk() error {
rw.Lock()
defer rw.Unlock()
file, err := os.Create("./pwd/sessions.gob")
file, err := os.Create(config.SessionsFile)
if err == nil {
encoder := gob.NewEncoder(file)
err = encoder.Encode(&sessions)