From 85c07cff9cd2197a16c2d3544e4930e278513cf7 Mon Sep 17 00:00:00 2001 From: Oleg Pykhalov Date: Thu, 29 Nov 2018 20:41:40 +0300 Subject: 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. --- gnu/services/monitoring.scm | 148 +++++++++++++++++++++++++++++++++++++++++++- gnu/tests/monitoring.scm | 49 +++++++++++++++ 2 files changed, 195 insertions(+), 2 deletions(-) (limited to 'gnu') diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm index 323c0ace56..18413096e4 100644 --- a/gnu/services/monitoring.scm +++ b/gnu/services/monitoring.scm @@ -22,6 +22,7 @@ (define-module (gnu services monitoring) #: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 @@ (define-module (gnu services monitoring) #: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 @@ (define-module (gnu services monitoring) 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 @@ (define extra-options? string?) (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 @@ (define-configuration zabbix-agent-configuration 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 @@ (define (generate-zabbix-agent-documentation) `((zabbix-agent-configuration ,zabbix-agent-configuration-fields)) 'zabbix-agent-configuration)) + +(define %zabbix-front-end-configuration-nginx + (nginx-server-configuration + (root #~(string-append #$zabbix-server:front-end "/share/zabbix/php")) + (index '("index.php")) + (locations + (let ((php-location (nginx-php-location))) + (list (nginx-location-configuration + (inherit php-location) + (body (append (nginx-location-configuration-body php-location) + (list " +fastcgi_param PHP_VALUE \"post_max_size = 16M + max_execution_time = 300\"; +"))))))))) + +(define-configuration zabbix-front-end-configuration + ;; TODO: Specify zabbix front-end package. + ;; (zabbix- + ;; (package zabbix-front-end) + ;; "The zabbix-front-end package.") + (nginx + (nginx-server-configuration-list + (list %zabbix-front-end-configuration-nginx)) + "NGINX configuration.") + (db-host + (string "localhost") + "Database host name.") + (db-port + (number 5432) + "Database port.") + (db-name + (string "zabbix") + "Database name.") + (db-user + (string "zabbix") + "Database user.") + (db-password + (string "") + "Database password. Please, use @code{db-secret-file} instead.") + (db-secret-file + (string "") + "Secret file which will be appended to @file{zabbix.conf.php} file. This +file contains credentials for use by Zabbix front-end. You are expected to +create it manually.") + (zabbix-host + (string "localhost") + "Zabbix server hostname.") + (zabbix-port + (number 10051) + "Zabbix server port.")) + +(define zabbix-front-end-config + (match-lambda + (($ + _ db-host db-port db-name db-user db-password db-secret-file + zabbix-host zabbix-port) + (mixed-text-file "zabbix.conf.php" + "\ +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. + "\ +