Script shell pour tester le temps de réponse d'Apache [Résolu]

[Joe Le Mort]

bonjour,

J'aimerais faire un script qui teste le temps de réponse d'Apache.
Le fonctionnement souhaité :

Si le temsp de réponse d'apache > XX sec alors restart apache.

Etant donné que je ne maitrise pas du tout le script shell, quelqu'un pourrait m'aider ?

merci

[_Mac_]

Faut utiliser un outil du style wget, c'est tout ce que je peux te dire. Pose éventuellement ta question sur le forum Linux/Shell si tu as des pbs avec wget et le shell.

Tu as la possibilité de regarder les fichiers de log, aussi : souvent, on y fait figurer le temps de traitement des requêtes, mais ce n'est pas forcément ce que tu cherches à savoir.

[Joe Le Mort]

nan, en fait je veux controler que apache réponde dans un délai suffisant.

Faire un genre de cron qui tourne toutes les 20 minutes et qui teste si le tps de rép d'apache est correct !

[ggnore]

je te conseille plutôt d'installer monit.
Sauf si bien entendu le but est d'apprendre les scripts shell ...

[gorgonite]

perso, je te conseille d'utiliser le plugin apache loadtime de munin... qui peut tourner en standalone bien sûr

http://munin.projects.linpro.no/wiki...pache-loadtime


au moins, tu as un script prêt à l'emploi (c'est du shell avec wget...)

[Joe Le Mort]

Merci pour ces liens

[ripat]

Et pourquoi pas simplement avec curl qui renvoie un timing beaucoup plus détaillé qu'un $ time wget etc....?

Exemple simple à partir duquel il sera facile de récupérer les valeurs dans des variables pour faire des tests de réactivité dans un script (avec envoi de mail si trop lent).

Code :

1
2
3
4
5
6
7
#! /bin/bash
 
URL=www.developpez.net
 
FORMAT="%{time_namelookup} %{time_connect} %{time_starttransfer} %{time_total}"
 
curl -w "$FORMAT" $URL

CURL fourni des tas de variables statistiques. Voir man curl dont voici un extrait (il y a de quoi faire):

Code :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Available variables are at this point:
 
              url_effective  The  URL  that  was fetched last. This is mostly meaningful if you’ve told curl to follow
                             location: headers.
 
              http_code      The numerical code that was found in the last retrieved HTTP(S) page.
 
              http_connect   The numerical code that was found in the last response (from a proxy) to a  curl  CONNECT
                             request. (Added in 7.12.4)
 
              time_total     The  total  time,  in seconds, that the full operation lasted. The time will be displayed
                             with millisecond resolution.
 
              time_namelookup
                             The time, in seconds, it took from the start until the name resolving was completed.
 
              time_connect   The time, in seconds, it took from the start until the connect to  the  remote  host  (or
                             proxy) was completed.
 
              time_pretransfer
                             The  time,  in  seconds,  it took from the start until the file transfer is just about to
                             begin. This includes all pre-transfer commands and negotiations that are specific to  the
                             particular protocol(s) involved.
 
              time_redirect  The  time,  in  seconds,  it took for all redirection steps include name lookup, connect,
                             pretransfer and transfer before final transaction was started.  time_redirect  shows  the
                             complete execution time for multiple redirections. (Added in 7.12.3)
 
              time_starttransfer
                             The  time,  in  seconds,  it took from the start until the first byte is just about to be
                             transferred. This includes time_pretransfer and also the time the server needs to  calcu‐
                             late the result.
 
              size_download  The total amount of bytes that were downloaded.
 
              size_upload    The total amount of bytes that were uploaded.
 
              size_header    The total amount of bytes of the downloaded headers.
 
              size_request   The total amount of bytes that were sent in the HTTP request.
 
              speed_download The average download speed that curl measured for the complete download.
 
              speed_upload   The average upload speed that curl measured for the complete upload.
 
              content_type   The Content-Type of the requested document, if there was any.
 
              num_connects   Number of new connects made in the recent transfer. (Added in 7.12.3)
 
              num_redirects  Number of redirects that were followed in the request. (Added in 7.12.3)