J'ai expérimenté un peu avec la journalisation des erreurs dans php-fpm et nginx depuis que je n'ai trouvé aucune bonne explication sur le web. La plupart des guides ont dit que je devrais changer catch_workers_output
de yes
si je veux envoyer des erreurs de l' arrière-php5 FPM à nginx. Cependant, au cours de mes expériences, j'ai constaté que même lorsqu'il catch_workers_output
est défini sur no
, les erreurs sont toujours enregistrées correctement par nginx.
Voici ma configuration virtualhost:
server {
server_name domain.com;
return 301 http://www.domain.com$request_uri;
access_log off;
}
server {
listen 80;
listen [::]:80;
root /home/websites/domain.com;
index index.php index.html index.htm;
error_log /home/websites/logs/domain.com/error.log warn;
access_log /home/websites/logs/domain.com/access.log;
#switch on gzip
gzip on;
gzip_min_length 1100;
gzip_buffers 10 32k;
gzip_types text/plain application/x-javascript text/xml text/css;
gzip_vary on;
location / {
try_files $uri $uri/ /index.php?q=$uri&$args;
}
location ~* .(gif|jpg|jpeg|png|css|js|ico)$ {
expires 30d;
access_log off;
}
error_page 404 /404.html;
location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
# With php5-cgi alone:
# With php5-fpm:
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_index index.php;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
location ~ /\.ht {
deny all;
}
}
Voici mes découvertes:
Exp 1
poolconf:
; catch_workers_output = no (commented out)
php_admin_value[error_log] = /var/log/fpm-php.www.log
php_admin_flag[log_errors] = on
; php_flag[display_errors] = 0
result:
errors not shown in browser
error written in /var/log/fpm-php.www.log
error not written in virtualhost error-log in nginx
errors not displayed in stderr when running php5-fpm non-daemonized
Exp 2
poolconf:
catch_workers_output = yes
php_admin_value[error_log] = /var/log/fpm-php.www.log
php_admin_flag[log_errors] = on
php_flag[display_errors] = 0
results:
no error in browser
error written in /var/log/fpm-php.www.log
error not written to virtualhost error-log by nginx
errors not displayed in stderr when running php5-fpm non-daemonized
Exp 3
poolconf:
catch_workers_output = yes
; php_admin_value[error_log] = /var/log/fpm-php.www.log
; php_admin_flag[log_errors] = on
php_flag[display_errors] = 0
results:
no errors in browser
error NOT written in /var/log/fpm-php.www.log
error WRITTEN to virtualhost error-log by nginx
errors DISPLAYED in stderr when running php5-fpm non-daemonized
Exp 4
poolconf:
; catch_workers_output = no (commented out)
; php_admin_value[error_log] = /var/log/fpm-php.www.log
; php_admin_flag[log_errors] = on
php_flag[display_errors] = 0
results:
no errors in browser
error NOT written in /var/log/fpm-php.www.log
error WRITTEN to virtualhost error-log by nginx
errors NOT displayed in stderr when running php5-fpm non-daemonized
Ma question est de savoir comment PHP5-FPM envoie des journaux d'erreurs à nginx même s'il n'y a pas de sortie stderr (quand catch_workers_output=no
) de php-fpm? Je ne peux le trouver documenté nulle part.