diff options
| -rw-r--r-- | doc/guix.texi | 36 | ||||
| -rw-r--r-- | gnu/local.mk | 3 | ||||
| -rw-r--r-- | gnu/packages/monitoring.scm | 1 | ||||
| -rw-r--r-- | gnu/services/monitoring.scm | 38 | ||||
| -rw-r--r-- | gnu/tests/monitoring.scm | 97 |
5 files changed, 172 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index a458c7c8dd..3f0eedd0d9 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -48,7 +48,8 @@ Copyright @copyright{} 2017 nee@* Copyright @copyright{} 2018 Rutger Helling@* Copyright @copyright{} 2018 Oleg Pykhalov@* Copyright @copyright{} 2018 Mike Gerwitz@* -Copyright @copyright{} 2018 Pierre-Antoine Rouby +Copyright @copyright{} 2018 Pierre-Antoine Rouby@* +Copyright @copyright{} 2018 Gábor Boskovits@* Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or @@ -15649,6 +15650,39 @@ Specify the path of the base URL. This can be useful if @end table @end deftp +@subsubheading Prometheus Node Exporter Service + +@cindex prometheus-node-exporter +The Prometheus ``node exporter'' makes hardware and operating system statistics +provided by the Linux kernel available for the Prometheus monitoring system. +This service should be deployed on all physical nodes and virtual machines, +where monitoring these statistics is desirable. + +@defvr {Scheme variable} prometheus-node-exporter-service-type +This is the service type for the +@uref{https://github.com/prometheus/node_exporter/, prometheus-node-exporter} +service, its value must be a @code{prometheus-node-exporter-configuration} +record as in this example: + +@example +(service prometheus-node-exporter-service-type + (prometheus-node-exporter-configuration + (web-listen-address ":9100"))) +@end example +@end defvar + +@deftp {Data Type} prometheus-node-exporter-configuration +Data type representing the configuration of @command{node_exporter}. + +@table @asis +@item @code{package} (default: @code{go-github-com-prometheus-node-exporter}) +The prometheus-node-exporter package to use. + +@item @code{web-listen-address} (default: @code{":9100"}) +Bind the web interface to the specified address. + +@end table +@end deftp @node Kerberos Services @subsubsection Kerberos Services diff --git a/gnu/local.mk b/gnu/local.mk index dad664ca15..eb245e3268 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -15,7 +15,7 @@ # Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr> # Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org> # Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> -# Copyright © 2017 Gábor Boskovits <boskovits@gmail.com> +# Copyright © 2017, 2018 Gábor Boskovits <boskovits@gmail.com> # Copyright © 2018 Amirouche Boubekki <amirouche@hypermove.net> # Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com> # @@ -530,6 +530,7 @@ GNU_SYSTEM_MODULES = \ %D%/tests/databases.scm \ %D%/tests/desktop.scm \ %D%/tests/dict.scm \ + %D%/tests/monitoring.scm \ %D%/tests/nfs.scm \ %D%/tests/install.scm \ %D%/tests/mail.scm \ diff --git a/gnu/packages/monitoring.scm b/gnu/packages/monitoring.scm index db6c22a69c..fae62d5493 100644 --- a/gnu/packages/monitoring.scm +++ b/gnu/packages/monitoring.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2018 Sou Bunnbu <iyzsong@member.fsf.org> ;;; Copyright © 2017, 2018 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr> +;;; Copyright © 2018 Gábor Boskovits <boskovits@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm index 49a65db4b5..aa3b63a0e4 100644 --- a/gnu/services/monitoring.scm +++ b/gnu/services/monitoring.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Sou Bunnbu <iyzsong@member.fsf.org> +;;; Copyright © 2018 Gábor Boskovits <boskovits@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -26,7 +27,9 @@ #:use-module (guix records) #:use-module (ice-9 match) #:export (darkstat-configuration - darkstat-service-type)) + prometheus-node-exporter-configuration + darkstat-service-type + prometheus-node-exporter-service-type)) ;;; @@ -89,3 +92,36 @@ HTTP.") (const %darkstat-accounts)) (service-extension shepherd-root-service-type (compose list darkstat-shepherd-service)))))) + +(define-record-type* <prometheus-node-exporter-configuration> + prometheus-node-exporter-configuration + make-prometheus-node-exporter-configuration + prometheus-node-exporter-configuration? + (package prometheus-node-exporter-configuration-package + (default go-github-com-prometheus-node-exporter)) + (web-listen-address prometheus-node-exporter-web-listen-address + (default ":9100"))) + +(define prometheus-node-exporter-shepherd-service + (match-lambda + (( $ <prometheus-node-exporter-configuration> + package web-listen-address) + (shepherd-service + (documentation "Prometheus node exporter.") + (provision '(prometheus-node-exporter)) + (requirement '(networking)) + (start #~(make-forkexec-constructor + (list #$(file-append package "/bin/node_exporter") + "--web.listen-address" #$web-listen-address))) + (stop #~(make-kill-destructor)))))) + +(define prometheus-node-exporter-service-type + (service-type + (name 'prometheus-node-exporter) + (description + "Run @command{node_exporter} to serve hardware and OS metrics to +prometheus.") + (extensions + (list (service-extension + shepherd-root-service-type + (compose list prometheus-node-exporter-shepherd-service)))))) diff --git a/gnu/tests/monitoring.scm b/gnu/tests/monitoring.scm new file mode 100644 index 0000000000..67899987ce --- /dev/null +++ b/gnu/tests/monitoring.scm @@ -0,0 +1,97 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2018 Gábor Boskovits <boskovits@gmail.com> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (gnu tests monitoring) + #:use-module (gnu services) + #:use-module (gnu services monitoring) + #:use-module (gnu services networking) + #:use-module (gnu system vm) + #:use-module (gnu tests) + #:use-module (guix gexp) + #:export (%test-prometheus-node-exporter)) + + +;;; +;;; Prometheus Node Exporter +;;; + +(define* (run-prometheus-node-exporter-server-test name test-os) + "Run tests in %PROMETHEUS-NODE-EXPORTER-OS, which has prometheus-node-exporter running." + (define os + (marionette-operating-system + test-os + #:imported-modules '((gnu services herd)))) + + (define vm + (virtual-machine + (operating-system os) + (port-forwardings '((8080 . 9100))))) + + (define test + (with-imported-modules '((gnu build marionette)) + #~(begin + (use-modules (srfi srfi-11) + (srfi srfi-64) + (gnu build marionette) + (web client) + (web response)) + + (define marionette + (make-marionette (list #$vm))) + + (mkdir #$output) + (chdir #$output) + + (test-begin #$name) + + (test-assert "prometheus-node-exporter running" + (marionette-eval + '(begin + (use-modules (gnu services herd)) + (match (start-service 'prometheus-node-exporter) + (#f #f) + (('service response-parts ...) + (match (assq-ref response-parts 'running) + ((pid) (number? pid)))))) + marionette)) + + (test-equal "http-get" + 200 + (begin + (wait-for-tcp-port 9100 marionette) + (let-values (((response text) + (http-get "http://localhost:8080"))) + (response-code response)))) + + (test-end) + (exit (= (test-runner-fail-count (test-runner-current)) 0))))) + + (gexp->derivation (string-append name "-test") test)) + +(define %prometheus-node-exporter-os + (simple-operating-system + (dhcp-client-service) + (service prometheus-node-exporter-service-type + (prometheus-node-exporter-configuration)))) + +(define %test-prometheus-node-exporter + (system-test + (name "prometheus-node-exporter") + (description "Connect to a running prometheus-node-exporter server.") + (value (run-prometheus-node-exporter-server-test + name %prometheus-node-exporter-os)))) |