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Simplify the crashTest

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This commit is contained in:
Guillaume J. Charmes 2013-04-28 06:23:02 -07:00
parent 20c2a4f80f
commit 76a1a7cf5b
1 changed files with 32 additions and 8 deletions
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40
contrib/crashTest.go
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@ -1,6 +1,7 @@
package main
import (
"bufio"
"fmt"
"io"
"log"
@ -13,8 +14,10 @@ import (
var DOCKER_PATH string = path.Join(os.Getenv("DOCKERPATH"), "docker")
// WARNING: this crashTest will 1) crash your host, 2) remove all containers
func runDaemon() (*exec.Cmd, error) {
os.Remove("/var/run/docker.pid")
exec.Command("rm", "-rf", "/var/lib/docker/containers")
cmd := exec.Command(DOCKER_PATH, "-d")
outPipe, err := cmd.StdoutPipe()
if err != nil {
@ -47,7 +50,19 @@ func crashTest() error {
} else {
endpoint = ep
}
conn, _ := net.Dial("tcp", endpoint)
c := make(chan bool)
var conn io.Writer
go func() {
conn, _ = net.Dial("tcp", endpoint)
c <- false
}()
go func() {
time.Sleep(2 * time.Second)
c <- true
}()
<-c
restartCount := 0
totalTestCount := 1
@ -56,22 +71,17 @@ func crashTest() error {
if err != nil {
return err
}
if conn != nil {
fmt.Fprintf(conn, "RESTART: %d\n", restartCount)
}
restartCount++
// time.Sleep(5000 * time.Millisecond)
var stop bool
go func() error {
stop = false
for i := 0; i < 100 && !stop; i++ {
for i := 0; i < 100 && !stop; {
func() error {
if conn != nil {
fmt.Fprintf(conn, "TEST: %d\n", totalTestCount)
fmt.Fprintf(conn, "%d\n", totalTestCount)
}
totalTestCount++
cmd := exec.Command(DOCKER_PATH, "run", "base", "echo", "hello", "world")
log.Printf("%d", i)
outPipe, err := cmd.StdoutPipe()
if err != nil {
return err
@ -92,6 +102,20 @@ func crashTest() error {
go inPipe.Write([]byte("hello world!!!!!\n"))
inPipe.Close()
go func() error {
r := bufio.NewReader(outPipe)
if out, err := r.ReadString('\n'); err != nil {
return err
} else if out == "hello world\n" {
log.Printf("%d", i)
if conn != nil {
fmt.Fprintf(conn, "%d\n", totalTestCount)
}
i++
totalTestCount++
}
return nil
}()
if err := cmd.Wait(); err != nil {
return err
}