127 lines
4.1 KiB
Scheme
127 lines
4.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Mathieu Othacehe <othacehe@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu installer dump)
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#:use-module (gnu installer utils)
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#:use-module (guix build utils)
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#:use-module (srfi srfi-11)
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#:use-module (ice-9 iconv)
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#:use-module (ice-9 match)
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#:use-module (ice-9 popen)
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#:use-module (ice-9 textual-ports)
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#:use-module (web client)
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#:use-module (web http)
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#:use-module (web response)
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#:use-module (webutils multipart)
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#:export (%core-dump
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prepare-dump
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make-dump
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send-dump-report))
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;; The installer crash dump type.
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(define %dump-type "installer-dump")
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;; The core dump file.
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(define %core-dump "/tmp/installer-core-dump")
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(define (result->list result)
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"Return the alist for the given RESULT."
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(hash-map->list (lambda (k v)
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(cons k v))
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result))
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(define* (prepare-dump key args #:key result)
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"Create a crash dump directory. KEY and ARGS represent the thrown error.
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RESULT is the installer result hash table. Returns the created directory path."
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(define now (localtime (current-time)))
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(define dump-dir
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(format #f "/tmp/dump.~a"
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(strftime "%F.%H.%M.%S" now)))
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(mkdir-p dump-dir)
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(with-directory-excursion dump-dir
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;; backtrace
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(call-with-output-file "installer-backtrace"
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(lambda (port)
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(display-backtrace (make-stack #t) port)
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(print-exception port
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(stack-ref (make-stack #t) 1)
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key args)))
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;; installer result
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(call-with-output-file "installer-result"
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(lambda (port)
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(write (result->list result) port)))
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;; syslog
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(copy-file "/var/log/messages" "syslog")
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;; core dump
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(when (file-exists? %core-dump)
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(copy-file %core-dump "core-dump"))
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;; dmesg
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(let ((pipe (open-pipe* OPEN_READ "dmesg")))
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(call-with-output-file "dmesg"
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(lambda (port)
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(dump-port pipe port)
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(close-pipe pipe)))))
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dump-dir)
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(define* (make-dump dump-dir file-choices)
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"Create a crash dump archive from DUMP-DIR containing FILE-CHOICES.
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Returns the archive path."
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(define output (string-append (basename dump-dir) ".tar.gz"))
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(with-directory-excursion (dirname dump-dir)
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(apply system* "tar" "-zcf" output
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(map (lambda (f)
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(string-append (basename dump-dir) "/" f))
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file-choices)))
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(canonicalize-path (string-append (dirname dump-dir) "/" output)))
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(define* (send-dump-report dump
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#:key
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(url "https://dump.guix.gnu.org"))
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"Turn the DUMP archive into a multipart body and send it to the Guix crash
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dump server at URL."
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(define (match-boundary kont)
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(match-lambda
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(('boundary . (? string? b))
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(kont b))
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(x #f)))
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(define (response->string response)
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(bytevector->string
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(read-response-body response)
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"UTF-8"))
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(let-values (((body boundary)
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(call-with-input-file dump
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(lambda (port)
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(format-multipart-body
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`((,%dump-type . ,port)))))))
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(false-if-exception
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(response->string
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(http-post
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(string-append url "/upload")
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#:keep-alive? #t
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#:streaming? #t
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#:headers `((content-type
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. (multipart/form-data
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(boundary . ,boundary))))
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#:body body)))))
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