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authorFabricio Voznika <fvoznika@google.com>2019-04-11 17:53:24 -0700
committerShentubot <shentubot@google.com>2019-04-11 17:54:34 -0700
commit546a1df7d15fd80f510d4203c5f9255bba4b4211 (patch)
treefd65630e6685d2952e6fc079bb81289d213ed728 /runsc/main.go
parent6b24f7ab0863004a30c2f1aff88440fbb4cf3b3c (diff)
Add 'runsc do' command
It provides an easy way to run commands to quickly test gVisor. By default it maps the host root as the container root with a writable overlay on top (so the host root is not modified). Example: sudo runsc do ls -lh --color sudo runsc do ~/src/test/my-test.sh PiperOrigin-RevId: 243178711 Change-Id: I05f3d6ce253fe4b5f1362f4a07b5387f6ddb5dd9
Diffstat (limited to 'runsc/main.go')
-rw-r--r--runsc/main.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/runsc/main.go b/runsc/main.go
index bbf08228c..74253a844 100644
--- a/runsc/main.go
+++ b/runsc/main.go
@@ -20,6 +20,7 @@ import (
"context"
"fmt"
"io"
+ "io/ioutil"
"os"
"path/filepath"
"strings"
@@ -80,6 +81,7 @@ func main() {
subcommands.Register(new(cmd.Checkpoint), "")
subcommands.Register(new(cmd.Create), "")
subcommands.Register(new(cmd.Delete), "")
+ subcommands.Register(new(cmd.Do), "")
subcommands.Register(new(cmd.Events), "")
subcommands.Register(new(cmd.Exec), "")
subcommands.Register(new(cmd.Gofer), "")
@@ -168,6 +170,8 @@ func main() {
log.SetLevel(log.Debug)
}
+ subcommand := flag.CommandLine.Arg(0)
+
var logFile io.Writer = os.Stderr
if *logFD > -1 {
logFile = os.NewFile(uintptr(*logFD), "log file")
@@ -180,11 +184,12 @@ func main() {
cmd.Fatalf("error opening log file %q: %v", *logFilename, err)
}
logFile = f
+ } else if subcommand == "do" {
+ logFile = ioutil.Discard
}
e := newEmitter(*logFormat, logFile)
- subcommand := flag.CommandLine.Arg(0)
if *debugLogFD > -1 {
f := os.NewFile(uintptr(*debugLogFD), "debug log file")