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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 149 |
1 files changed, 115 insertions, 34 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index bff0788b2f..ff306a4575 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -14000,52 +14000,133 @@ Local accounts with lower values will silently fail to authenticate. The @code{(gnu services web)} module provides the nginx web server and also a fastcgi wrapper daemon. -@deffn {Scheme Procedure} nginx-service [#:nginx nginx] @ - [#:log-directory ``/var/log/nginx''] @ - [#:run-directory ``/var/run/nginx''] @ - [#:server-list '()] @ - [#:upstream-list '()] @ - [#:config-file @code{#f}] - -Return a service that runs @var{nginx}, the nginx web server. - -The nginx daemon loads its runtime configuration from @var{config-file}. -Log files are written to @var{log-directory} and temporary runtime data -files are written to @var{run-directory}. For proper operation, these -arguments should match what is in @var{config-file} to ensure that the -directories are created when the service is activated. - -As an alternative to using a @var{config-file}, @var{server-list} can be -used to specify the list of @dfn{server blocks} required on the host and -@var{upstream-list} can be used to specify a list of @dfn{upstream -blocks} to configure. For this to work, use the default value for -@var{config-file}. - -At startup, @command{nginx} has not yet read its configuration file, so it -uses a default file to log error messages. If it fails to load its -configuration file, that is where error messages are logged. After the -configuration file is loaded, the default error log file changes as per -configuration. In our case, startup error messages can be found in -@file{/var/run/nginx/logs/error.log}, and after configuration in -@file{/var/log/nginx/error.log}. The second location can be changed with the -@var{log-directory} configuration option. +@deffn {Scheme Variable} nginx-service-type +Service type for the @uref{https://nginx.org/,NGinx} web server. The +value for this service type is a @code{<nginx-configuration>} record. -@end deffn +A simple example configuration is given below. -@deffn {Scheme Variable} nginx-service-type -This is type for the nginx web server. +@example +(service nginx-service-type + (nginx-configuration + (server-list + (list (nginx-server-configuration + (server-name '("www.example.com")) + (root "/srv/http/www.example.com") + (https-port #f) + (ssl-certificate #f) + (ssl-certificate-key #f)))))) +@end example -This service can be extended to add server blocks in addition to the -default one, as in this example: +In addition to adding server blocks to the service configuration +directly, this service can be extended by other services to add server +blocks, as in this example: @example (simple-service 'my-extra-server nginx-service-type (list (nginx-server-configuration (https-port #f) + (ssl-certificate #f) + (ssl-certificate-key #f) (root "/srv/http/extra-website")))) @end example @end deffn +At startup, @command{nginx} has not yet read its configuration file, so +it uses a default file to log error messages. If it fails to load its +configuration file, that is where error messages are logged. After the +configuration file is loaded, the default error log file changes as per +configuration. In our case, startup error messages can be found in +@file{/var/run/nginx/logs/error.log}, and after configuration in +@file{/var/log/nginx/error.log}. The second location can be changed +with the @var{log-directory} configuration option. + +@deffn {Data Type} nginx-configuration +This data type represents the configuration for NGinx. Some +configuration can be done through this and the other provided record +types, or alternatively, a config file can be provided. + +@table @asis +@item @code{nginx} (default: @code{nginx}) +The nginx package to use. + +@item @code{log-directory} (default: @code{"/var/log/nginx"}) +The directory to which NGinx will write log files. + +@item @code{run-directory} (default: @code{"/var/run/nginx"}) +The directory in which NGinx will create a pid file, and write temporary +files. + +@item @code{server-list} (default: @code{'()}) +A list of @dfn{server blocks} to create in the generated configuration +file, the elements should be of type +@code{<nginx-server-configuration>}. + +The following example would setup NGinx to serve @code{www.example.com} +from the @code{/srv/http/www.example.com} directory, without using +HTTPS. +@example +(service nginx-service-type + (nginx-configuration + (server-list + (list (nginx-server-configuration + (server-name '("www.example.com")) + (root "/srv/http/www.example.com") + (https-port #f) + (ssl-certificate #f) + (ssl-certificate-key #f)))))) +@end example + +@item @code{upstream-list} (default: @code{'()}) +A list of @dfn{upstream blocks} to create in the generated configuration +file, the elements should be of type +@code{<nginx-upstream-configuration>}. + +Configuring upstreams through the @code{upstream-list} can be useful +when combined with @code{locations} in the +@code{<nginx-server-configuration>} records. The following example +creates a server configuration with one location configuration, that +will proxy requests to a upstream configuration, which will handle +requests with two servers. + +@example +(service + nginx-service-type + (nginx-configuration + (server-list + (list (nginx-server-configuration + (server-name '("www.example.com")) + (root "/srv/http/www.example.com") + (https-port #f) + (ssl-certificate #f) + (ssl-certificate-key #f) + (locations + (list + (nginx-location-configuration + (uri "/path1") + (body '("proxy_pass http://server-proxy;")))))))) + (upstream-list + (list (nginx-upstream-configuration + (name "server-proxy") + (servers (list "server1.example.com" + "server2.example.com"))))))) +@end example + +@item @code{config-file} (default: @code{#f}) +If the @var{config-file} is provided, this will be used, rather than +generating a configuration file from the provided @code{log-directory}, +@code{run-directory}, @code{server-list} and @code{upstream-list}. For +proper operation, these arguments should match what is in +@var{config-file} to ensure that the directories are created when the +service is activated. + +This can be useful if you have an existing configuration file, or it's +not possible to do what is required through the other parts of the +nginx-configuration record. + +@end table +@end deffn + @deftp {Data Type} nginx-server-configuration Data type representing the configuration of an nginx server block. This type has the following parameters: |