services: guix: Add 'set-http-proxy' action.
Fixes <https://bugs.gnu.org/25569>. Reported by Divan Santana <divan@santanas.co.za>. * gnu/services/base.scm (shepherd-set-http-proxy-action): New procedure. (guix-shepherd-service): Add 'actions' field. Change 'start' to a lambda; check the value of the "http_proxy" environment variable and add "http_proxy" and "https_proxy" to #:environment-variables as a function of that. * gnu/tests/base.scm (run-basic-test)["guix-daemon set-http-proxy action", "guix-daemon set-http-proxy action, clear"]: New tests. * doc/guix.texi (Base Services): Document it.
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Ludovic Courtès
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@ -12779,9 +12779,24 @@ List of extra command-line options for @command{guix-daemon}.
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File where @command{guix-daemon}'s standard output and standard error
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are written.
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@cindex HTTP proxy, for @code{guix-daemon}
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@cindex proxy, for @code{guix-daemon} HTTP access
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@item @code{http-proxy} (default: @code{#f})
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The HTTP proxy used for downloading fixed-output derivations and
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substitutes.
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The URL of the HTTP and HTTPS proxy used for downloading fixed-output
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derivations and substitutes.
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It is also possible to change the daemon's proxy at run time through the
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@code{set-http-proxy} action, which restarts it:
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@example
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herd set-http-proxy guix-daemon http://localhost:8118
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@end example
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To clear the proxy settings, run:
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@example
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herd set-http-proxy guix-daemon
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@end example
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@item @code{tmpdir} (default: @code{#f})
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A directory path where the @command{guix-daemon} will perform builds.
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@ -1640,6 +1640,30 @@ archive' public keys, with GUIX."
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(define %default-guix-configuration
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(guix-configuration))
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(define shepherd-set-http-proxy-action
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;; Shepherd action to change the HTTP(S) proxy.
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(shepherd-action
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(name 'set-http-proxy)
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(documentation
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"Change the HTTP(S) proxy used by 'guix-daemon' and restart it.")
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(procedure #~(lambda* (_ #:optional proxy)
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(let ((environment (environ)))
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;; A bit of a hack: communicate PROXY to the 'start'
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;; method via environment variables.
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(if proxy
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(begin
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(format #t "changing HTTP/HTTPS \
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proxy of 'guix-daemon' to ~s...~%"
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proxy)
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(setenv "http_proxy" proxy))
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(begin
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(format #t "clearing HTTP/HTTPS \
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proxy of 'guix-daemon'...~%")
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(unsetenv "http_proxy")))
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(action 'guix-daemon 'restart)
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(environ environment)
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#t)))))
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(define (guix-shepherd-service config)
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"Return a <shepherd-service> for the Guix daemon service with CONFIG."
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(match-record config <guix-configuration>
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@ -1651,47 +1675,58 @@ archive' public keys, with GUIX."
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(documentation "Run the Guix daemon.")
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(provision '(guix-daemon))
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(requirement '(user-processes))
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(actions (list shepherd-set-http-proxy-action))
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(modules '((srfi srfi-1)))
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(start
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#~(make-forkexec-constructor
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(cons* #$(file-append guix "/bin/guix-daemon")
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"--build-users-group" #$build-group
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"--max-silent-time" #$(number->string max-silent-time)
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"--timeout" #$(number->string timeout)
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"--log-compression" #$(symbol->string log-compression)
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#$@(if use-substitutes?
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'()
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'("--no-substitutes"))
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"--substitute-urls" #$(string-join substitute-urls)
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#$@extra-options
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#~(lambda _
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(define proxy
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;; HTTP/HTTPS proxy. The 'http_proxy' variable is set by
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;; the 'set-http-proxy' action.
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(or (getenv "http_proxy") #$http-proxy))
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;; Add CHROOT-DIRECTORIES and all their dependencies (if
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;; these are store items) to the chroot.
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(append-map (lambda (file)
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(append-map (lambda (directory)
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(list "--chroot-directory"
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directory))
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(call-with-input-file file
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read)))
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'#$(map references-file chroot-directories)))
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(fork+exec-command
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(cons* #$(file-append guix "/bin/guix-daemon")
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"--build-users-group" #$build-group
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"--max-silent-time" #$(number->string max-silent-time)
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"--timeout" #$(number->string timeout)
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"--log-compression" #$(symbol->string log-compression)
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#$@(if use-substitutes?
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'()
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'("--no-substitutes"))
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"--substitute-urls" #$(string-join substitute-urls)
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#$@extra-options
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#:environment-variables
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(list #$@(if http-proxy
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(list (string-append "http_proxy=" http-proxy))
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'())
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#$@(if tmpdir
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(list (string-append "TMPDIR=" tmpdir))
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'())
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;; Add CHROOT-DIRECTORIES and all their dependencies
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;; (if these are store items) to the chroot.
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(append-map (lambda (file)
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(append-map (lambda (directory)
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(list "--chroot-directory"
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directory))
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(call-with-input-file file
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read)))
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'#$(map references-file
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chroot-directories)))
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;; Make sure we run in a UTF-8 locale so that 'guix
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;; offload' correctly restores nars that contain UTF-8
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;; file names such as 'nss-certs'. See
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;; <https://bugs.gnu.org/32942>.
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(string-append "GUIX_LOCPATH="
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#$glibc-utf8-locales "/lib/locale")
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"LC_ALL=en_US.utf8")
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#:environment-variables
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(append (list #$@(if tmpdir
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(list (string-append "TMPDIR=" tmpdir))
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'())
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#:log-file #$log-file))
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;; Make sure we run in a UTF-8 locale so that
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;; 'guix offload' correctly restores nars that
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;; contain UTF-8 file names such as
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;; 'nss-certs'. See
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;; <https://bugs.gnu.org/32942>.
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(string-append "GUIX_LOCPATH="
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#$glibc-utf8-locales
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"/lib/locale")
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"LC_ALL=en_US.utf8")
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(if proxy
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(list (string-append "http_proxy=" proxy)
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(string-append "https_proxy=" proxy))
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'()))
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#:log-file #$log-file)))
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(stop #~(make-kill-destructor))))))
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(define (guix-accounts config)
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@ -459,6 +459,21 @@ info --version")
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(marionette-eval '(readlink "/var/guix/gcroots/profiles")
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marionette))
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(test-equal "guix-daemon set-http-proxy action"
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'(#t) ;one value, #t
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(marionette-eval '(with-shepherd-action 'guix-daemon
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('set-http-proxy "http://localhost:8118")
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result
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result)
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marionette))
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(test-equal "guix-daemon set-http-proxy action, clear"
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'(#t) ;one value, #t
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(marionette-eval '(with-shepherd-action 'guix-daemon
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('set-http-proxy)
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result
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result)
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marionette))
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(test-assert "screendump"
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(begin
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