From 0d37a5df7e709cadca97cfbbf9c680dfe54b8302 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <othacehe@gnu.org>
Date: Wed, 29 Dec 2021 13:45:26 +0100
Subject: installer: Add crash dump upload support.

Suggested-by: Josselin Poiret <dev@jpoiret.xyz>

* gnu/installer/dump.scm: New file.
* gnu/installer/newt/dump.scm: New file.
* gnu/local.mk (INSTALLER_MODULES): Add them.
* gnu/installer/record.scm (<installer>)[dump-page]: New field.
* gnu/installer/steps.scm (%current-result): New variable.
(run-installer-steps): Update it.
* gnu/installer.scm (installer-program): Add tar and gip to the installer
path. Add guile-webutils and gnutls to the Guile extensions. Generate and send
the crash dump report.
* gnu/installer/newt.scm (exit-error): Add a report argument. Display the
report id.
(dump-page): New procedure.
(newt-installer): Update it.
---
 gnu/installer/dump.scm | 103 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 gnu/installer/dump.scm

(limited to 'gnu/installer/dump.scm')

diff --git a/gnu/installer/dump.scm b/gnu/installer/dump.scm
new file mode 100644
index 0000000000..49c40a26af
--- /dev/null
+++ b/gnu/installer/dump.scm
@@ -0,0 +1,103 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2021 Mathieu Othacehe <othacehe@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu installer dump)
+  #:use-module (gnu installer utils)
+  #:use-module (guix build utils)
+  #:use-module (srfi srfi-11)
+  #:use-module (ice-9 iconv)
+  #:use-module (ice-9 match)
+  #:use-module (ice-9 popen)
+  #:use-module (ice-9 textual-ports)
+  #:use-module (web client)
+  #:use-module (web http)
+  #:use-module (web response)
+  #:use-module (webutils multipart)
+  #:export (make-dump
+            send-dump-report))
+
+;; The installer crash dump type.
+(define %dump-type "installer-dump")
+
+(define (result->list result)
+  "Return the alist for the given RESULT."
+  (hash-map->list (lambda (k v)
+                    (cons k v))
+                  result))
+
+(define* (make-dump output
+                    #:key
+                    result
+                    backtrace)
+  "Create a crash dump archive in OUTPUT.  RESULT is the installer result hash
+table.  BACKTRACE is the installer Guile backtrace."
+  (let ((dump-dir "/tmp/dump"))
+    (mkdir-p dump-dir)
+    (with-directory-excursion dump-dir
+      ;; backtrace
+      (copy-file backtrace "installer-backtrace")
+
+      ;; installer result
+      (call-with-output-file "installer-result"
+        (lambda (port)
+          (write (result->list result) port)))
+
+      ;; syslog
+      (copy-file "/var/log/messages" "syslog")
+
+      ;; dmesg
+      (let ((pipe (open-pipe* OPEN_READ "dmesg")))
+        (call-with-output-file "dmesg"
+          (lambda (port)
+            (dump-port pipe port)
+            (close-pipe pipe)))))
+
+    (with-directory-excursion (dirname dump-dir)
+      (system* "tar" "-zcf" output (basename dump-dir)))))
+
+(define* (send-dump-report dump
+                           #:key
+                           (url "https://dump.guix.gnu.org"))
+  "Turn the DUMP archive into a multipart body and send it to the Guix crash
+dump server at URL."
+  (define (match-boundary kont)
+    (match-lambda
+      (('boundary . (? string? b))
+       (kont b))
+      (x #f)))
+
+  (define (response->string response)
+    (bytevector->string
+     (read-response-body response)
+     "UTF-8"))
+
+  (let-values (((body boundary)
+                (call-with-input-file dump
+                  (lambda (port)
+                    (format-multipart-body
+                     `((,%dump-type . ,port)))))))
+    (false-if-exception
+     (response->string
+      (http-post
+       (string-append url "/upload")
+       #:keep-alive? #t
+       #:streaming? #t
+       #:headers `((content-type
+                    . (multipart/form-data
+                       (boundary . ,boundary))))
+       #:body body)))))
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