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services: monitoring: Add 'zabbix-front-end'. 

* gnu/services/monitoring.scm (nginx-server-configuration-list?,
serialize-nginx-server-configuration-list, zabbix-front-end-configuration,
zabbix-front-end-config, zabbix-front-end-activation,
generate-zabbix-front-end-documentation): New procedures.
(%zabbix-front-end-configuration-nginx, %maintenance.inc.php,
zabbix-front-end-service-type): New variables.
* doc/guix.texi (Monitoring Services): Document this.
master
Oleg Pykhalov 2018-11-29 20:41:40 +03:00
parent 1a3e7534d0
commit 85c07cff9c
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3 changed files with 270 additions and 2 deletions
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75
doc/guix.texi
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@ -16904,6 +16904,81 @@ Defaults to @samp{()}.
@end deftypevr
@c %end of fragment
@subsubheading Zabbix front-end
@cindex zabbix zabbix-front-end
This service provides a WEB interface to Zabbix server.
@c %start of fragment
Available @code{zabbix-front-end-configuration} fields are:
@deftypevr {@code{zabbix-front-end-configuration} parameter} nginx-server-configuration-list nginx
NGINX configuration.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string db-host
Database host name.
Defaults to @samp{"localhost"}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} number db-port
Database port.
Defaults to @samp{5432}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string db-name
Database name.
Defaults to @samp{"zabbix"}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string db-user
Database user.
Defaults to @samp{"zabbix"}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string db-password
Database password. Please, use @code{db-secret-file} instead.
Defaults to @samp{""}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string db-secret-file
Secret file which will be appended to @file{zabbix.conf.php} file. This
file contains credentials for use by Zabbix front-end. You are expected
to create it manually.
Defaults to @samp{""}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} string zabbix-host
Zabbix server hostname.
Defaults to @samp{"localhost"}.
@end deftypevr
@deftypevr {@code{zabbix-front-end-configuration} parameter} number zabbix-port
Zabbix server port.
Defaults to @samp{10051}.
@end deftypevr
@c %end of fragment
@node Kerberos Services

148
gnu/services/monitoring.scm
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@ -22,6 +22,7 @@
#:use-module (gnu services)
#:use-module (gnu services configuration)
#:use-module (gnu services shepherd)
#:use-module (gnu services web)
#:use-module (gnu packages admin)
#:use-module (gnu packages monitoring)
#:use-module (gnu system shadow)
@ -29,6 +30,7 @@
#:use-module (guix packages)
#:use-module (guix records)
#:use-module (ice-9 match)
#:use-module (ice-9 rdelim)
#:use-module (srfi srfi-26)
#:export (darkstat-configuration
prometheus-node-exporter-configuration
@ -38,7 +40,10 @@
zabbix-server-configuration
zabbix-server-service-type
zabbix-agent-configuration
zabbix-agent-service-type))
zabbix-agent-service-type
zabbix-front-end-configuration
zabbix-front-end-service-type
%zabbix-front-end-configuration-nginx))
;;;
@ -179,6 +184,12 @@ prometheus.")
(define (serialize-extra-options field-name val)
(if (null? val) "" (display val)))
(define (nginx-server-configuration-list? val)
(and (list? val) (and-map nginx-server-configuration? val)))
(define (serialize-nginx-server-configuration-list field-name val)
"")
(define-configuration zabbix-server-configuration
(zabbix-server
(package zabbix-server)
@ -356,7 +367,7 @@ the hosts listed here.")
proxies for active checks. If port is not specified, default port is used.
If this parameter is not specified, active checks are disabled.")
(extra-options
(string "")
(extra-options "")
"Extra options will be appended to Zabbix server configuration file.")
(include-files
(include-files '())
@ -445,3 +456,136 @@ configuration file."))
`((zabbix-agent-configuration
,zabbix-agent-configuration-fields))
'zabbix-agent-configuration))
(define %zabbix-front-end-configuration-nginx
(nginx-server-configuration
(root #~(string-append #$zabbix-server:front-end "/share/zabbix/php"))
(index '("index.php"))
(locations
(let ((php-location (nginx-php-location)))
(list (nginx-location-configuration
(inherit php-location)
(body (append (nginx-location-configuration-body php-location)
(list "
fastcgi_param PHP_VALUE \"post_max_size = 16M
max_execution_time = 300\";
")))))))))
(define-configuration zabbix-front-end-configuration
;; TODO: Specify zabbix front-end package.
;; (zabbix-
;; (package zabbix-front-end)
;; "The zabbix-front-end package.")
(nginx
(nginx-server-configuration-list
(list %zabbix-front-end-configuration-nginx))
"NGINX configuration.")
(db-host
(string "localhost")
"Database host name.")
(db-port
(number 5432)
"Database port.")
(db-name
(string "zabbix")
"Database name.")
(db-user
(string "zabbix")
"Database user.")
(db-password
(string "")
"Database password. Please, use @code{db-secret-file} instead.")
(db-secret-file
(string "")
"Secret file which will be appended to @file{zabbix.conf.php} file. This
file contains credentials for use by Zabbix front-end. You are expected to
create it manually.")
(zabbix-host
(string "localhost")
"Zabbix server hostname.")
(zabbix-port
(number 10051)
"Zabbix server port."))
(define zabbix-front-end-config
(match-lambda
(($ <zabbix-front-end-configuration>
_ db-host db-port db-name db-user db-password db-secret-file
zabbix-host zabbix-port)
(mixed-text-file "zabbix.conf.php"
"\
<?php
// Zabbix GUI configuration file.
global $DB;
$DB['TYPE'] = 'POSTGRESQL';
$DB['SERVER'] = '" db-host "';
$DB['PORT'] = '" (number->string db-port) "';
$DB['DATABASE'] = '" db-name "';
$DB['USER'] = '" db-user "';
$DB['PASSWORD'] = '" (if (string-null? db-password)
(if (string-null? db-secret-file)
(display "Provide a `db-secret-file' \
or `db-password' field.
"
(current-error-port))
(string-trim-both
(with-input-from-file db-secret-file
read-string)))
(begin
(display "
Hint: Consider use `db-secret-file' instead of `db-password' and unset
`db-password' for security in `zabbix-front-end-configuration'.
")
db-password)) "';
// Schema name. Used for IBM DB2 and PostgreSQL.
$DB['SCHEMA'] = '';
$ZBX_SERVER = '" zabbix-host "';
$ZBX_SERVER_PORT = '" (number->string zabbix-port) "';
$ZBX_SERVER_NAME = '';
$IMAGE_FORMAT_DEFAULT = IMAGE_FORMAT_PNG;
"))))
(define %maintenance.inc.php
;; Empty php file to allow us move zabbix-frontend configs to ‘/etc/zabbix’
;; directory. See ‘install-front-end’ phase in
;; (@ (gnu packages monitoring) zabbix-server) package.
"\
<?php
")
(define (zabbix-front-end-activation config)
"Return the activation gexp for CONFIG."
#~(begin
(use-modules (guix build utils))
(mkdir-p "/etc/zabbix")
(call-with-output-file "/etc/zabbix/maintenance.inc.php"
(lambda (port)
(display #$%maintenance.inc.php port)))
(copy-file #$(zabbix-front-end-config config)
"/etc/zabbix/zabbix.conf.php")))
(define zabbix-front-end-service-type
(service-type
(name 'zabbix-front-end)
(extensions
(list (service-extension activation-service-type
zabbix-front-end-activation)
(service-extension nginx-service-type
zabbix-front-end-configuration-nginx)
;; Make sure php-fpm is instantiated.
(service-extension php-fpm-service-type
(const #t))))
(default-value (zabbix-front-end-configuration))
(description
"Run the zabbix-front-end web interface, which allows users to interact
with Zabbix server.")))
(define (generate-zabbix-front-end-documentation)
(generate-documentation
`((zabbix-front-end-configuration
,zabbix-front-end-configuration-fields))
'zabbix-front-end-configuration))

49
gnu/tests/monitoring.scm
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@ -20,11 +20,13 @@
(define-module (gnu tests monitoring)
#:use-module (gnu packages databases)
#:use-module (gnu packages monitoring)
#:use-module (gnu packages php)
#:use-module (gnu services)
#:use-module (gnu services monitoring)
#:use-module (gnu services networking)
#:use-module (gnu services databases)
#:use-module (gnu services shepherd)
#:use-module (gnu services web)
#:use-module (gnu system vm)
#:use-module (gnu system)
#:use-module (gnu tests)
@ -249,6 +251,44 @@ zabbix||{}
'(file-exists? "/var/run/zabbix/zabbix_agent.pid")
marionette))
;; Wait for php-fpm to be up and running.
(test-assert "php-fpm running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'php-fpm))
marionette))
;; Wait for nginx to be up and running.
(test-assert "nginx running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nginx))
marionette))
;; Make sure the PID file is created.
(test-assert "nginx PID file"
(marionette-eval
'(file-exists? "/var/run/nginx/pid")
marionette))
;; Make sure we can access pages that correspond to our repository.
(letrec-syntax ((test-url
(syntax-rules ()
((_ path code)
(test-equal (string-append "GET " path)
code
(let-values (((response body)
(http-get (string-append
"http://localhost:8080"
path))))
(response-code response))))
((_ path)
(test-url path 200)))))
(test-url "/")
(test-url "/does-not-exist" 404))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
@ -261,6 +301,15 @@ zabbix||{}
(simple-operating-system
(service dhcp-client-service-type)
(postgresql-service)
(service zabbix-front-end-service-type
(zabbix-front-end-configuration
(db-password "zabbix")))
(service php-fpm-service-type
(php-fpm-configuration
(timezone "Europe/Paris")
(php php-with-bcmath)))
(service zabbix-server-service-type
(zabbix-server-configuration
(db-password "zabbix")