services: cuirass: Add SQL queries logging support.

* gnu/services/cuirass.scm (<cuirass-configuration>)[queries-log-file]: New
field.
(cuirass-shepherd-service): Honor it.
(cuirass-log-rotations): If defined, add the queries log file to the log
rotation.

1 files changed, 19 insertions, 4 deletions

diff --git a/gnu/services/cuirass.scm b/gnu/services/cuirass.scm
index 0f4f0f9948..44f40a632c 100644
--- a/gnu/services/cuirass.scm
+++ b/gnu/services/cuirass.scm
@@ -54,6 +54,8 @@
                     (default "/var/log/cuirass.log"))
   (web-log-file     cuirass-configuration-web-log-file ;string
                     (default "/var/log/cuirass-web.log"))
+  (queries-log-file cuirass-configuration-queries-log-file ;string
+                    (default #f))
   (cache-directory  cuirass-configuration-cache-directory ;string (dir-name)
                     (default "/var/cache/cuirass"))
   (ttl              cuirass-configuration-ttl     ;integer
@@ -87,6 +89,7 @@
         (cache-directory  (cuirass-configuration-cache-directory config))
         (web-log-file     (cuirass-configuration-web-log-file config))
         (log-file         (cuirass-configuration-log-file config))
+        (queries-log-file (cuirass-configuration-queries-log-file config))
         (user             (cuirass-configuration-user config))
         (group            (cuirass-configuration-group config))
         (interval         (cuirass-configuration-interval config))
@@ -111,6 +114,10 @@
                            "--database" #$database
                            "--ttl" #$(string-append (number->string ttl) "s")
                            "--interval" #$(number->string interval)
+                           #$@(if queries-log-file
+                                  (list (string-append "--log-queries="
+                                                       queries-log-file))
+                                  '())
                            #$@(if use-substitutes? '("--use-substitutes") '())
                            #$@(if one-shot? '("--one-shot") '())
                            #$@(if fallback? '("--fallback") '())
@@ -140,6 +147,10 @@
                            "--port" #$(number->string port)
                            "--listen" #$host
                            "--interval" #$(number->string interval)
+                           #$@(if queries-log-file
+                                  (list (string-append "--log-queries="
+                                                       queries-log-file))
+                                  '())
                            #$@(if use-substitutes? '("--use-substitutes") '())
                            #$@(if fallback? '("--fallback") '())
                            #$@extra-options)
@@ -187,10 +198,14 @@
 
 (define (cuirass-log-rotations config)
   "Return the list of log rotations that corresponds to CONFIG."
-  (list (log-rotation
-         (files (list (cuirass-configuration-log-file config)))
-         (frequency 'weekly)
-         (options '("rotate 40")))))              ;worth keeping
+  (let ((queries-log-file (cuirass-configuration-queries-log-file config)))
+    (list (log-rotation
+           (files `(,(cuirass-configuration-log-file config)
+                    ,@(if queries-log-file
+                          (list queries-log-file)
+                          '())))
+           (frequency 'weekly)
+           (options '("rotate 40"))))))              ;worth keeping
 
 (define cuirass-service-type
   (service-type