summaryrefslogtreecommitdiff
path: root/gnu/services/monitoring.scm
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/services/monitoring.scm')
-rw-r--r--gnu/services/monitoring.scm191
1 files changed, 190 insertions, 1 deletions
diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm
index aa3b63a0e4..cb1f71ebff 100644
--- a/gnu/services/monitoring.scm
+++ b/gnu/services/monitoring.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Sou Bunnbu <iyzsong@member.fsf.org>
;;; Copyright © 2018 Gábor Boskovits <boskovits@gmail.com>
+;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -19,17 +20,23 @@
(define-module (gnu services monitoring)
#:use-module (gnu services)
+ #:use-module (gnu services configuration)
#:use-module (gnu services shepherd)
#:use-module (gnu packages admin)
#:use-module (gnu packages monitoring)
#:use-module (gnu system shadow)
#:use-module (guix gexp)
+ #:use-module (guix packages)
#:use-module (guix records)
#:use-module (ice-9 match)
+ #:use-module (srfi srfi-26)
#:export (darkstat-configuration
prometheus-node-exporter-configuration
darkstat-service-type
- prometheus-node-exporter-service-type))
+ prometheus-node-exporter-service-type
+
+ zabbix-server-configuration
+ zabbix-server-service-type))
;;;
@@ -125,3 +132,185 @@ prometheus.")
(list (service-extension
shepherd-root-service-type
(compose list prometheus-node-exporter-shepherd-service))))))
+
+
+;;;
+;;; Zabbix server
+;;;
+
+(define (uglify-field-name field-name)
+ (apply string-append
+ (map (lambda (str)
+ (if (member (string->symbol str) '(ca db ssl))
+ (string-upcase str)
+ (string-capitalize str)))
+ (string-split (string-delete #\?
+ (symbol->string field-name))
+ #\-))))
+
+(define (serialize-field field-name val)
+ (format #t "~a=~a~%" (uglify-field-name field-name) val))
+
+(define (serialize-number field-name val)
+ (serialize-field field-name (number->string val)))
+
+(define (serialize-list field-name val)
+ (if (null? val) "" (serialize-field field-name (string-join val ","))))
+
+(define (serialize-string field-name val)
+ (if (and (string? val) (string=? val ""))
+ ""
+ (serialize-field field-name val)))
+
+(define group? string?)
+
+(define serialize-group
+ (const ""))
+
+(define include-files? list?)
+
+(define (serialize-include-files field-name val)
+ (if (null? val) "" (for-each (cut serialize-field 'include <>) val)))
+
+(define extra-options? string?)
+
+(define (serialize-extra-options field-name val)
+ (if (null? val) "" (display val)))
+
+(define-configuration zabbix-server-configuration
+ (zabbix-server
+ (package zabbix-server)
+ "The zabbix-server package.")
+ (user
+ (string "zabbix")
+ "User who will run the Zabbix server.")
+ (group ;for zabbix-server-account procedure
+ (group "zabbix")
+ "Group who will run the Zabbix server.")
+ (db-host
+ (string "127.0.0.1")
+ "Database host name.")
+ (db-name
+ (string "zabbix")
+ "Database name.")
+ (db-user
+ (string "zabbix")
+ "Database user.")
+ (db-password
+ (string "")
+ "Database password. Please, use @code{include-files} with
+@code{DBPassword=SECRET} inside a specified file instead.")
+ (db-port
+ (number 5432)
+ "Database port.")
+ (log-type
+ (string "")
+ "Specifies where log messages are written to:
+@itemize
+@item @code{system} - syslog.
+@item @code{file} - file specified with @code{log-file} parameter.
+@item @code{console} - standard output.
+@end itemize\n")
+ (log-file
+ (string "/var/log/zabbix/server.log")
+ "Log file name for @code{log-type} @code{file} parameter.")
+ (pid-file
+ (string "/var/run/zabbix/zabbix_server.pid")
+ "Name of PID file.")
+ (ssl-ca-location
+ (string "/etc/ssl/certs/ca-certificates.crt")
+ "The location of certificate authority (CA) files for SSL server
+certificate verification.")
+ (ssl-cert-location
+ (string "/etc/ssl/certs")
+ "Location of SSL client certificates.")
+ (extra-options
+ (extra-options "")
+ "Extra options will be appended to Zabbix server configuration file.")
+ (include-files
+ (include-files '())
+ "You may include individual files or all files in a directory in the
+configuration file."))
+
+(define (zabbix-server-account config)
+ "Return the user accounts and user groups for CONFIG."
+ (let ((zabbix-user (zabbix-server-configuration-user config))
+ (zabbix-group (zabbix-server-configuration-group config)))
+ (list (user-group (name zabbix-group) (system? #t))
+ (user-account
+ (name zabbix-user)
+ (system? #t)
+ (group zabbix-group)
+ (comment "zabbix privilege separation user")
+ (home-directory (string-append "/var/run/" zabbix-user))
+ (shell #~(string-append #$shadow "/sbin/nologin"))))))
+
+(define (zabbix-server-config-file config)
+ "Return the zabbix-server configuration file corresponding to CONFIG."
+ (computed-file
+ "zabbix_server.conf"
+ #~(begin
+ (call-with-output-file #$output
+ (lambda (port)
+ (display "# Generated by 'zabbix-server-service'.\n" port)
+ (display #$(with-output-to-string
+ (lambda ()
+ (serialize-configuration
+ config zabbix-server-configuration-fields)))
+ port)
+ #t)))))
+
+(define (zabbix-server-activation config)
+ "Return the activation gexp for CONFIG."
+ (with-imported-modules '((guix build utils)
+ (ice-9 rdelim))
+ #~(begin
+ (use-modules (guix build utils)
+ (ice-9 rdelim))
+ (let ((user (getpw #$(zabbix-server-configuration-user config))))
+ (for-each (lambda (file)
+ (let ((directory (dirname file)))
+ (mkdir-p directory)
+ (chown directory (passwd:uid user) (passwd:gid user))
+ (chmod directory #o755)))
+ (list #$(zabbix-server-configuration-log-file config)
+ #$(zabbix-server-configuration-pid-file config)
+ "/etc/zabbix/maintenance.inc.php"))))))
+
+(define (zabbix-server-shepherd-service config)
+ "Return a <shepherd-service> for Zabbix server with CONFIG."
+ (list (shepherd-service
+ (provision '(zabbix-server))
+ (documentation "Run Zabbix server daemon.")
+ (start #~(make-forkexec-constructor
+ (list #$(file-append (zabbix-server-configuration-zabbix-server config)
+ "/sbin/zabbix_server")
+ "--config" #$(zabbix-server-config-file config)
+ "--foreground")
+ #:user #$(zabbix-server-configuration-user config)
+ #:group #$(zabbix-server-configuration-group config)
+ #:pid-file #$(zabbix-server-configuration-pid-file config)
+ #:environment-variables
+ (list "SSL_CERT_DIR=/run/current-system/profile\
+/etc/ssl/certs"
+ "SSL_CERT_FILE=/run/current-system/profile\
+/etc/ssl/certs/ca-certificates.crt")))
+ (stop #~(make-kill-destructor)))))
+
+(define zabbix-server-service-type
+ (service-type
+ (name 'zabbix-server)
+ (extensions
+ (list (service-extension shepherd-root-service-type
+ zabbix-server-shepherd-service)
+ (service-extension account-service-type
+ zabbix-server-account)
+ (service-extension activation-service-type
+ zabbix-server-activation)))
+ (default-value (zabbix-server-configuration))))
+
+(define (generate-zabbix-server-documentation)
+ (generate-documentation
+ `((zabbix-server-configuration
+ ,zabbix-server-configuration-fields))
+ 'zabbix-server-configuration))