diff options
Diffstat (limited to 'runsc/main.go')
| -rw-r--r-- | runsc/main.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/runsc/main.go b/runsc/main.go index 10ae44b5e..b36100cca 100644 --- a/runsc/main.go +++ b/runsc/main.go @@ -57,7 +57,7 @@ var ( // Flags that control sandbox runtime behavior. platform = flag.String("platform", "ptrace", "specifies which platform to use: ptrace (default), kvm") network = flag.String("network", "sandbox", "specifies which network to use: sandbox (default), host, none. Using network inside the sandbox is more secure because it's isolated from the host network.") - fileAccess = flag.String("file-access", "proxy", "specifies which filesystem to use: proxy (default), direct. Using a proxy is more secure because it disallows the sandbox from opennig files directly in the host.") + fileAccess = flag.String("file-access", "proxy-exclusive", "specifies which filesystem to use: proxy-exclusive (default), proxy-shared, or direct. Using a proxy is more secure because it disallows the sandbox from opening files directly in the host. Setting 'proxy-shared' will disable caches and should be used if external modifications to the filesystem are expected.") overlay = flag.Bool("overlay", false, "wrap filesystem mounts with writable overlay. All modifications are stored in memory inside the sandbox.") multiContainer = flag.Bool("multi-container", false, "enable *experimental* multi-container support.") watchdogAction = flag.String("watchdog-action", "log", "sets what action the watchdog takes when triggered: log (default), panic.") @@ -119,6 +119,10 @@ func main() { cmd.Fatalf("%v", err) } + if *fileAccess == "proxy" && *overlay { + cmd.Fatalf("overlay flag is incompatible with file-access=proxy") + } + // Create a new Config from the flags. conf := &boot.Config{ RootDir: *rootDir, |