#20402 guix cannot download via an http proxy

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Subject: Re: HTTP and FTP proxies for guix package / guix-daemon
From: Claes Wallin (韋嘉誠)
 <gnu@clacke.user.lysator.liu.se>
To: Ludovic Courtès <ludo@gnu.org>
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Finally got around to this.

On Sat, Jun 13, 2015 at 7:44 PM, Ludovic Courtès <ludo@gnu.org> wrote:
> "Claes Wallin (韋嘉誠)" <gnu@clacke.user.lysator.liu.se> skribis:
>
>> I suppose if I have a freshly built guix with "guix package -i guix"
>> or "guix package -u guix" it should be using guile 2.0.11 then?
>> Actually looking at the head of .../bin/guix it's referring to a
>> guile-2.0.11.
>
> Yes, so that should be OK.  And it’s Guix > 0.8.2, right?

# /root/.guix-profile/bin/guix --version
guix (GNU Guix) 0.8.3

# ls -l /root/.guix-profile/bin/guix
lrwxrwxrwx 3 root 999 71 Jan  1  1970 /root/.guix-profile/bin/guix ->
/gnu/store/bja9w08pay8rqfs83f3rzlms9q63kymw-guix-0.8.2.a43b55f/bin/guix


>> But guix-daemon still doesn't seem to be honoring http_proxy.
>
> As a first test, could you check whether ‘guix download’ honors it?

It does.

> A second test would be:
>
>   1. Define ‘http_proxy’ in your user shell.
>   2. From the same shell, run ‘guix build -S gcc --no-substitutes’, say.
>
> Does that honor ‘http_proxy’?

http_proxy is set (and exported) in user shell and in the daemon process.

No.

> And a third test is for substitutes: Are they also downloaded via the
> proxy?  Here you need to:
>
>   1. Define ‘http_proxy’ in a root shell.
>   2. Run ‘guix-daemon’ from this shell.
>   3. From a user shell, run ‘guix build gcc’, say, which should normally
>      download a substitute from hydra.gnu.org rather than trying to build
>      things.
>
> Does the substitute download honor ‘http_proxy’?

No. Whenever the daemon is doing the downloading, http_proxy is
ignored and I get "Temporary failure in name resolution" because the
VM doesn't have an internet DNS.

As I said earlier, guix has guile-2.0.11 in the hashbang. But
guix-daemon seems to be making use of guile-bootstrap.

If I provoke it a bit I get this:

# find /gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/
-name '*.scm' -exec touch {} +
# guix package -i texinfo
 . . .
;;; note: source file
/gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/share/guile/2.0/ice-9/eval.scm
;;;       newer than compiled
/gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/lib/guile/2.0/ccache/ice-9/eval.go
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
. . .
;;; it seems /gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/share/guile/2.0/ice-9/receive.scm
;;; is part of the compiler; skipping auto-compilation
;;; WARNING: compilation of
/gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/share/guile/2.0/ice-9/command-line.scm
failed:
;;; ERROR: failed to create path for auto-compiled file
"/gnu/store/cyppdaliwllm1mzgka3cxwxnddk7j2cl-guile-bootstrap-2.0/share/guile/2.0/ice-9/command-line.scm"
starting download of
`/gnu/store/2zkyyw4bq0wzsxdysncrf9lmwl44w5wh-binutils-2.25.tar.bz2'
from `http://ftpmirror.gnu.org/binutils/binutils-2.25.tar.bz2'...
ERROR: In procedure getaddrinfo: Temporary failure in name resolution

... so it's pretty clear that *something* in there is still
referencing the bootstrap guile. But maybe that's expected? Are the
guile packages built using only the bootstrap and not themselves?

/gnu/store/0aq1kq37b6kr562330xz61rg08l6y5yg-guix-0.8.2.a43b55f.drv

has:
Derive([("out","/gnu/store/bja9w08pay8rqfs83f3rzlms9q63kymw-guix-0.8.2.a43b55f","","")]
. . . ("/gnu/store/4lkrvcnh2y923la3ivsbyv2m2nv3xpjy-guile-2.0.9.tar.xz.drv",["out"])
. . . ("/gnu/store/d3x2skfxhvqj21w39f6bckmxni1q3bbp-guile-2.0.11.tar.xz.drv",["out"])
. . . ("/gnu/store/hvl3gwa57p7k1qnliyy6ymbmz2509azh-guile-2.0.11.drv",["out"])
. . . ("/gnu/store/p4i1inysxx5ra0hvhcrd9liw3a5skcbx-guile-2.0.9.tar.xz.drv",["out"])
. . . ("/gnu/store/wlivhx78f1a05dx0blqy209cb1nqwgf5-guile-2.0.9.tar.xz.drv",["out"])
. . . ["/gnu/store/iylwyjzxcy3hkz1wlgpyk4zmhci97rgk-guix-0.8.2.a43b55f-guile-builder"],"x86_64-linux","/gnu/store/cnqmkmj40jmssnx6fkf9n0n3bqj5x426-guile-2.0.11/bin/guile",["--no-auto-compile","-L","/gnu/store/x2nfxrqhdsvir8l65x19bhnrwd4h41rs-module-import","/gnu/store/iylwyjzxcy3hkz1wlgpyk4zmhci97rgk-guix-0.8.2.a43b55f-guile-builder"],[("GUILE_LOAD_COMPILED_PATH","/gnu/store/07n184fk33b7gqkyrbn6b2ckdfisp09i-module-import-compiled"),("out","/gnu/store/bja9w08pay8rqfs83f3rzlms9q63kymw-guix-0.8.2.a43b55f")])

Why so many different guile drivers? Is that expected?

> Thanks in advance!

No problem!

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