Re: Need help with lazy module loading & gvisor
Hi,
On Sat, Sep 10, 2022 at 3:59 AM John Goerzen <jgoerzen@complete.org> wrote:
>
> On Mon, Sep 05 2022, Shengjing Zhu wrote:
>
> > On Sun, Sep 04, 2022 at 05:44:36PM -0500, John Goerzen wrote:
> >> Hi folks,
> >>
> >> At least two Debian packages use https://github.com/inetaf/netstack,
> >> which was a popular pure-Go TCP/IP networking stack. It was a fork of
> >> gvisor, pulling out the networking stack from what was a more ambituous
> >> pure Go operating system project.
> >>
> >> gVisor is indeed /huge/. Before one of the upstreams had switched to
> ...
> >
> > For Debian packaging, you can exclude unneeded pkgs with
> > DH_GOLANG_EXCLUDES environment in debian/rules file.
> > https://manpages.debian.org/unstable/dh-golang/Debian::Debhelper::Buildsystem::golang.3pm.en.html#DH_GOLANG_EXCLUDES
>
> So I'm going down this path. In debian/rules, I have:
>
> export DH_GOLANG_EXCLUDES := pkg/api pkg/binary pkg/bitmap pkg/bpf pkg/buffer pkg/cleanup pkg/compressio \
> pkg/control pkg/coretag pkg/coverage pkg/crypto pkg/errors pkg/eventchannel pkg/eventfd pkg/fd \
> pkg/fdchannel pkg/fdnotifier pkg/flipcall pkg/fspath pkg/hostarch pkg/hostos pkg/ilist \
> pkg/lisafs pkg/marshal pkg/memutil pkg/metric pkg/p9 pkg/pool pkg/procid pkg/ring0 pkg/safecopy \
> pkg/safemem pkg/seccomp pkg/secio pkg/segment pkg/sentry pkg/shim pkg/sighandling pkg/syncevent \
> pkg/syserr pkg/test pkg/trie pkg/unet pkg/urpc pkg/usermem pkg/xdp tools \
> tools/bazeldefs tools/bigquery tools/checkaligned tools/checkescape tools/checkinfo \
> tools/checklinkname tools/checklocks tools/checkunsafe tools/constraintutil tools/github \
> tools/go_fieldenum tools/go_generics tools/go_marshal tools/go_stateify tools/nogo \
> tools/parsers tools/tracereplay tools/xdp tools/yamltest gvisor/tools gvisor.dev/gvisor/tools \
> src/gvisor.dev/gvisor/tools/xdp gvisor.dev/gvisor/tools/xdp _build/src/gvisor.dev/gvisor/tools/xdp
> export DH_GOLANG_EXCLUDES_ALL := 1
> export DH_VERBOSE := 1
>
> But during build it is trying to do something with tools:
>
> r.dev/gvisor/tools/go_marshal/test
> found packages parsers (go_parser.go) and main (parser_main.go) in /home/jgoerzen/work/nncp-debian/golang-gvisor-gvisor/_build/src/gvisor.dev/gvisor/tools/parsers
> _build/src/gvisor.dev/gvisor/tools/xdp/main.go:53:13: pattern bpf/drop_ebpf.o: no matching files found
> cd _build && go install -trimpath -v -p 16
> package .: no Go files in /home/jgoerzen/work/nncp-debian/golang-gvisor-gvisor/_build
> dh_auto_build: error: cd _build && go install -trimpath -v -p 16 returned exit code 1
> make: *** [debian/rules:18: binary] Error 25
> dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
> debuild: fatal error at line 1182:
>
> (you can see I tried everything I could think of to stop the tools stuff
> from being installed)
>
> I've pushed the tree I have so far to
> https://salsa.debian.org/go-team/packages/golang-gvisor-gvisor so you
> can take a look if you like.
>
I haven't looked in depth, but I have looked gvsior before, I believe
you have used a wrong upstream branch.
You should use https://github.com/google/gvisor/tree/go
BTW, I have thought of packaging runsc(the binary from gvisor) before,
which is a nice container runtime.
--
Shengjing Zhu
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