5dee1141d1
* client/executor: refactor client to remove interpolation * executor: POC libcontainer based executor * vendor: use hashicorp libcontainer fork * vendor: add libcontainer/nsenter dep * executor: updated executor interface to simplify operations * executor: implement logging pipe * logmon: new logmon plugin to manage task logs * driver/executor: use logmon for log management * executor: fix tests and windows build * executor: fix logging key names * executor: fix test failures * executor: add config field to toggle between using libcontainer and standard executors * logmon: use discover utility to discover nomad executable * executor: only call libcontainer-shim on main in linux * logmon: use seperate path configs for stdout/stderr fifos * executor: windows fixes * executor: created reusable pid stats collection utility that can be used in an executor * executor: update fifo.Open calls * executor: fix build * remove executor from docker driver * executor: Shutdown func to kill and cleanup executor and its children * executor: move linux specific universal executor funcs to seperate file * move logmon initialization to a task runner hook * client: doc fixes and renaming from code review * taskrunner: use shared config struct for logmon fifo fields * taskrunner: logmon only needs to be started once per task
26 lines
792 B
Go
26 lines
792 B
Go
package main
|
|
|
|
import (
|
|
"os"
|
|
"runtime"
|
|
|
|
hclog "github.com/hashicorp/go-hclog"
|
|
"github.com/opencontainers/runc/libcontainer"
|
|
_ "github.com/opencontainers/runc/libcontainer/nsenter"
|
|
)
|
|
|
|
// init is only run on linux and is used when the LibcontainerExecutor starts
|
|
// a new process. The libcontainer shim takes over the process, setting up the
|
|
// configured isolation and limitions before execve into the user process
|
|
func init() {
|
|
if len(os.Args) > 1 && os.Args[1] == "libcontainer-shim" {
|
|
runtime.GOMAXPROCS(1)
|
|
runtime.LockOSThread()
|
|
factory, _ := libcontainer.New("")
|
|
if err := factory.StartInitialization(); err != nil {
|
|
hclog.L().Error("failed to initialize libcontainer-shim", "error", err)
|
|
}
|
|
panic("--this line should have never been executed, congratulations--")
|
|
}
|
|
}
|