// newSandbox will create a new sandbox and start it.
func newSandbox(
command []string,
env map[string]string,
proxies map[string]http.Handler,
image *image.Instance,
network *network.Network,
c *runtime.TaskContext,
e *engine,
) (*sandbox, error) {
log := e.Log.WithField("taskId", c.TaskID).WithField("runId", c.RunID)
vm, err := vm.NewVirtualMachine(
e.engineConfig.MachineOptions,
image, network, e.engineConfig.SocketFolder, "", "",
log.WithField("component", "vm"),
)
if err != nil {
return nil, err
}
// Create sandbox
s := &sandbox{
vm: vm,
context: c,
engine: e,
proxies: proxies,
log: log,
}
// Setup meta-data service
s.metaService = metaservice.New(command, env, c.LogDrain(), s.result, e.Environment)
// Create session manager
s.sessions = newSessionManager(s.metaService, s.vm)
// Setup network handler
s.vm.SetHTTPHandler(http.HandlerFunc(s.handleRequest))
// Start the VM
debug("Starting virtual machine")
s.vm.Start()
// Resolve when VM is closed
go s.waitForCrash()
return s, nil
}
func (c *Case) grepLog(context *runtime.TaskContext) {
reader, err := context.NewLogReader()
defer reader.Close()
nilOrPanic(err, "Failed to open log reader")
data, err := ioutil.ReadAll(reader)
nilOrPanic(err, "Failed to read log")
if c.MatchLog != "" {
match, err := regexp.MatchString(c.MatchLog, string(data))
nilOrPanic(err, "Invalid regular expression: ", c.MatchLog)
assert(match, "Expected log to match regular expression: ", c.MatchLog)
}
if c.NotMatchLog != "" {
match, err := regexp.MatchString(c.NotMatchLog, string(data))
nilOrPanic(err, "Invalid regular expression: ", c.NotMatchLog)
assert(!match, "Expected log to _not_ match regular expression: ", c.NotMatchLog)
}
}
// Get the child process working.
// If we could create a new user, the working is the user home
// directory, otherwise it is the parent's working dir.
func getWorkingDir(u user, context *runtime.TaskContext) string {
var cwd string
var err error
// In case of error we panic here because error at this point means
// something is terribly wrong
if u.name != "" {
userInfo, err2 := osuser.Lookup(u.name)
if err2 != nil {
context.LogError("user.Lookup failed: ", err2, "\n")
panic(err2)
}
cwd = userInfo.HomeDir
} else {
cwd, err = os.Getwd()
if err != nil {
context.LogError("Getwd failed: ", err, "\n")
panic(err)
}
}
return cwd
}
