Removed service extensions are not unloaded from Shepherd upon reconfiguring

DoneSubmitted by Maxim Cournoyer.
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2 participants
  • Ludovic Courtès
  • Maxim Cournoyer
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unassigned
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normal
M
M
Maxim Cournoyer wrote 4 days ago
(name . bug-guix)(address . bug-guix@gnu.org)
874ki3alfe.fsf@gmail.com
Hello Guix!
After fixing https://issues.guix.gnu.org/36117and reconfiguring mysystem with it, one thing bothered me: the 'ps -eFww | grep guix-daemon'would still show something like:
Toggle snippet (282 lines)root 32139 1 0 3434 3504 0 10:28 ? 00:00:00/gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon11422 guixbuild --max-silent-time 0 --timeout 0--log-compression none --discover=no --substitute-urlshttp://127.0.0.1:8080 https://ci.guix.gnu.org --max-jobs=4--chroot-directory/gnu/store/mmhimfwmmidf09jw1plw3aw1g1zn2nkh-bash-static-5.0.16--chroot-directory/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31--chroot-directory/gnu/store/01b4w3m6mp55y531kyi1g8shh722kwqm-gcc-7.5.0-lib--chroot-directory/gnu/store/zzkly5rbfvahwqgcs7crz0ilpi7x5g5p-ncurses-6.2--chroot-directory/gnu/store/z1iyvbvnkd7zkjxsx157n6qx2iwzxq7p-alsa-lib-1.2.4--chroot-directory/gnu/store/yg1qj1kzf7wwkvls8n5p9cjq96xrwx03-libcap-ng-0.8.2--chroot-directory/gnu/store/xwl0p4m34bcan0v9vkjkyzwi6znsv4dm-pixman-0.38.4--chroot-directory/gnu/store/zqr3v3czlqlsamlp5kvvf15q0h13g6jn-orc-0.4.32--chroot-directory/gnu/store/vfr3y4j0hqrf2vg8cdb7999604gg6xwc-libjpeg-turbo-2.0.5--chroot-directory/gnu/store/rykm237xkmq7rl1p0nwass01p090p88x-zlib-1.2.11--chroot-directory/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16--chroot-directory/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18--chroot-directory/gnu/store/jdsrgf5k9xys81z4mwnwm94mk73h160h-opus-1.3.1--chroot-directory/gnu/store/knp4rkdm39ph4brkbzsp07q248nfffi1-readline-8.0.4--chroot-directory/gnu/store/imh5xxqw10dql4crlngbbjh4r24raf4j-expat-2.2.9--chroot-directory/gnu/store/bw15z9kh9c65ycc2vbhl2izwfwfva7p1-libffi-3.3--chroot-directory/gnu/store/a9f7wmc75hbpg520phw9z4l9asm3qvsw-bzip2-1.0.8--chroot-directory/gnu/store/9h9153akbd6g2520mcl2d0vgbvyfi5qm-openssl-1.1.1i--chroot-directory 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/gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0--chroot-directory/gnu/store/mz5fvdfks10rmwxf29n95bp9bim6wq7g-nettle-3.5.1--chroot-directory/gnu/store/i5a9qb07y9xjh9ry8hp6km43kji16nmd-libltdl-2.4.6--chroot-directory/gnu/store/fvhj74pghapbjvsvj27skvkra1by1965-bash-minimal-5.0.16--chroot-directory/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2--chroot-directory/gnu/store/198dw01d3mp26ghdxym5hsi60lfynm9m-gnutls-3.6.15--chroot-directory/gnu/store/78rc8isxy90n5xs0ci84ym14fxkpc2ap-cups-minimal-2.3.3--chroot-directory/gnu/store/4gwakx3vkmyzpk72dap8mpckyzhlf1jk-jbig2dec-0.18--chroot-directory/gnu/store/yf81h4xdajc6jbxs5amqajai9w0yfixb-ghostscript-with-cups-9.52--chroot-directory/gnu/store/yav4zlcwczvpq26s8q149if8n6amvkyi-qpdf-10.0.1--chroot-directory 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/gnu/store/66qbwqdaw53pfim2yqqhjx5pbkdygdha-sbc-1.5--chroot-directory/gnu/store/30lpkdz8bvs13ps2qf55mjzv09v08741-libsm-1.2.3--chroot-directory/gnu/store/2rc3mpcdrc7ywrhpxyhx1rjpmifdw4md-jack-0.125.0--chroot-directory/gnu/store/02z5vgdhgxw4gcjvhx51mvy1ax4lzxmp-fftwf-3.3.8--chroot-directory/gnu/store/lpdwh8j6xpfgg716d4lny6j0mjdn1fis-pulseaudio-14.0--chroot-directory/gnu/store/vkvsf3g91sfpxz9imlairxqm2hh8qlwb-libpcap-1.9.1--chroot-directory/gnu/store/003ny8nsfmcbpm6mmivggyzj58ld9fzd-openssl-1.0.2u--chroot-directory/gnu/store/bymn22y4irfn9hkp6z8jc03xxbz3i6ly-vde2-2.3.2--chroot-directory/gnu/store/6j8k26az3603pabrkgq5rilj07jmvxy9-libaio-0.3.112--chroot-directory/gnu/store/2zq80i8hbhxv2z35h03hpyghlclsqfch-sdl2-2.0.12--chroot-directory/gnu/store/xji0gbq0axvbk9fvk7hry48sshcji5y5-qemu-5.1.0
Even after restarting both the guix-daemon and qemu-binfmt services.
The guix-daemon.scm service definition referenced by my system is this:
$ guix gc -R /run/current-system | grep guix-daemon.scm/gnu/store/m3b1d3awnnjal093hqc5qjxhxskn5px2-shepherd-guix-daemon.scm
Toggle snippet (147 lines)(eval-when (expand load eval) (let ((extensions (quote ())) (prepend (lambda (items lst) (let loop ((items items) (lst lst)) (if (null? items) lst (loop (cdr items) (cons (car items) (delete (car items) lst)))))))) (set! %load-path (prepend (cons "/gnu/store/hbvk7jym815f4xqhpkpjhqs3rh30y437-module-import" (map (lambda (extension) (string-append extension "/share/guile/site/" (effective-version))) extensions)) %load-path)) (set! %load-compiled-path (prepend (cons "/gnu/store/viyhk32c77k0bz0ww2r9kq44gj30gq25-module-import-compiled" (map (lambda (extension) (string-append extension "/lib/guile/" (effective-version) "/site-ccache")) extensions)) %load-compiled-path))))(begin (use-modules (srfi srfi-1) (ice-9 match) (gnu build shepherd)) (make <service> #:docstring (quote "Run the Guix daemon.") #:provides (quote (guix-daemon)) #:requires (quote (user-processes)) #:one-shot? (quote #f) #:respawn? (quote #t) #:start (lambda args (define proxy (or (getenv "http_proxy") #f)) (define discover? (or (getenv "discover") #f)) (fork+exec-command/container (cons* "/gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon" "--build-users-group" "guixbuild" "--max-silent-time" "0" "--timeout" "0" "--log-compression" "none" (string-append "--discover=" (if discover? "yes" "no")) "--substitute-urls" "http://127.0.0.1:8080 https://ci.guix.gnu.org" "--max-jobs=4" (append-map (lambda (file) (append-map (lambda (directory) (list "--chroot-directory" directory)) (call-with-input-file file read))) (quote ()))) #:pid (match args ((pid) (string->number pid)) (else (getpid))) #:environment-variables (append (list (string-append "GUIX_LOCPATH=" "/gnu/store/395pvii4bcjqxvdv7h0drq10lxi01sv1-glibc-utf8-locales-2.31" "/lib/locale") "LC_ALL=en_US.utf8") (if proxy (list (string-append "http_proxy=" proxy) (string-append "https_proxy=" proxy)) (quote ()))) #:log-file "/var/log/guix-daemon.log")) #:stop (make-kill-destructor) #:actions (make-actions (set-http-proxy "Change the HTTP(S) proxy used by 'guix-daemon' and restart it." (lambda* (_ #:optional proxy) (let ((environment (environ))) (if proxy (begin (format #t "changing HTTP/HTTPS proxy of 'guix-daemon' to ~s...~%" proxy) (setenv "http_proxy" proxy)) (begin (format #t "clearing HTTP/HTTPS proxy of 'guix-daemon'...~%") (unsetenv "http_proxy"))) (action (quote guix-daemon) (quote restart)) (environ environment) #t))) (discover "Enable or disable substitute servers discovery and restart the\n'guix-daemon'." (lambda* (_ status) (let ((environment (environ))) (if (and status (string=? status "on")) (begin (format #t "enable substitute servers discovery~%") (setenv "discover" "on")) (begin (format #t "disable substitute servers discovery~%") (unsetenv "discover"))) (action (quote guix-daemon) (quote restart)) (environ environment) #t))))))
It seems to be that service extensions are not unloaded when removedfrom the services that caused them to be loaded?
Thanks,
Maxim
L
L
Ludovic Courtès wrote 3 days ago
(name . Maxim Cournoyer)(address . maxim.cournoyer@gmail.com)(address . 46712@debbugs.gnu.org)
87a6ru4x3e.fsf@gnu.org
Hi!
At the Shepherd level, there’s no notion of service extension.Normally, after reconfiguring, “herd restart guix-daemon” (really“restart”, not “stop” + “start”) should start the new service, whichdoesn’t have all these ‘--chroot-directory’ options.
Note that the guix-daemon process you should seems to be a child process(presumably because there was still a client running when you restartedthe service), not the main guix-daemon process.
You should check the command line of the main process, the one returnedby “herd status guix-daemon”.
HTH!
Ludo’.
M
M
Maxim Cournoyer wrote 31 hours ago
(name . Ludovic Courtès)(address . ludo@gnu.org)(address . 46712-done@debbugs.gnu.org)
87tuq08e31.fsf@gmail.com
Hello!
Ludovic Courtès <ludo@gnu.org> writes:
Toggle quote (7 lines)> Hi!>> At the Shepherd level, there’s no notion of service extension.> Normally, after reconfiguring, “herd restart guix-daemon” (really> “restart”, not “stop” + “start”) should start the new service, which> doesn’t have all these ‘--chroot-directory’ options.
FTR, I had used 'guix deploy' and issued 'sudo herd restart guix-daemon'on the remote after it completed successfully. Why should stop + startbe different than restart though? That seems counter-intuitive.
Toggle quote (7 lines)> Note that the guix-daemon process you should seems to be a child process> (presumably because there was still a client running when you restarted> the service), not the main guix-daemon process.>> You should check the command line of the main process, the one returned> by “herd status guix-daemon”.
You are right that this process has the correct arguments:
$ sudo herd status guix-daemonStatus of guix-daemon: It is started. Running value is 25628. It is enabled. Provides (guix-daemon). Requires (user-processes). Conflicts with (). Will be respawned.
$ cat /proc/25628/cmdline/gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon--build-users-groupguixbuild--max-silent-time0--timeout0--log-compressionnone--discover=no--substitute-urlshttps://ci.guix.gnu.org--max-jobs=20
Some of the other process were apparently caused by 'guix environment' shells still running in screen; I've terminated them allnow and ran 'sudo herd stop guix-daemon'; surprisingly I still had tworemaining guix-daemon processes that were launched manually for testingpurposes. That's on a Guix system with an uptime of 174 days andcounting :-).
Thank you for the answer and sorry for the noise! It works as designed.
Closing.
Maxim
Closed
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