diff options
| -rw-r--r-- | runsc/cmd/spec.go | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/runsc/cmd/spec.go b/runsc/cmd/spec.go index 8e2b36e85..a2b0a4b14 100644 --- a/runsc/cmd/spec.go +++ b/runsc/cmd/spec.go @@ -16,6 +16,7 @@ package cmd import ( "context" + "fmt" "io/ioutil" "os" "path/filepath" @@ -24,7 +25,8 @@ import ( "gvisor.dev/gvisor/runsc/flag" ) -var specTemplate = []byte(`{ +func genSpec(cwd string) []byte { + var template = fmt.Sprintf(`{ "ociVersion": "1.0.0", "process": { "terminal": true, @@ -39,7 +41,7 @@ var specTemplate = []byte(`{ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "TERM=xterm" ], - "cwd": "/", + "cwd": "%s", "capabilities": { "bounding": [ "CAP_AUDIT_WRITE", @@ -123,11 +125,15 @@ var specTemplate = []byte(`{ } ] } -}`) +}`, cwd) + + return []byte(template) +} // Spec implements subcommands.Command for the "spec" command. type Spec struct { bundle string + cwd string } // Name implements subcommands.Command.Name. @@ -165,6 +171,8 @@ EXAMPLE: // SetFlags implements subcommands.Command.SetFlags. func (s *Spec) SetFlags(f *flag.FlagSet) { f.StringVar(&s.bundle, "bundle", ".", "path to the root of the OCI bundle") + f.StringVar(&s.cwd, "cwd", "/", "working directory that will be set for the executable, "+ + "this value MUST be an absolute path") } // Execute implements subcommands.Command.Execute. @@ -174,7 +182,9 @@ func (s *Spec) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) Fatalf("file %q already exists", confPath) } - if err := ioutil.WriteFile(confPath, specTemplate, 0664); err != nil { + var spec = genSpec(s.cwd) + + if err := ioutil.WriteFile(confPath, spec, 0664); err != nil { Fatalf("writing to %q: %v", confPath, err) } |