30 lines
999 B
Go
30 lines
999 B
Go
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package executor
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import (
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"os"
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"runtime"
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hclog "github.com/hashicorp/go-hclog"
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"github.com/opencontainers/runc/libcontainer"
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_ "github.com/opencontainers/runc/libcontainer/nsenter"
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)
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// init is only run on linux and is used when the LibcontainerExecutor starts
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// a new process. The libcontainer shim takes over the process, setting up the
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// configured isolation and limitions before execve into the user process
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//
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// This subcommand handler is implemented as an `init`, libcontainer shim is handled anywhere
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// this package is used (including tests) without needing to write special command handler.
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func init() {
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if len(os.Args) > 1 && os.Args[1] == "libcontainer-shim" {
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runtime.GOMAXPROCS(1)
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runtime.LockOSThread()
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factory, _ := libcontainer.New("")
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if err := factory.StartInitialization(); err != nil {
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hclog.L().Error("failed to initialize libcontainer-shim", "error", err)
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os.Exit(1)
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}
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panic("--this line should have never been executed, congratulations--")
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}
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}
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