From f64567d58ccdb6d1846c1f8c7fba1f1588d81610 Mon Sep 17 00:00:00 2001 From: Christopher Baines Date: Mon, 20 Apr 2020 22:17:43 +0100 Subject: services: Add a service for Alertmanager. --- gnu/services/monitoring.scm | 82 +++++++++++++++++++++++++++++++++++++++++++++ gnu/tests/monitoring.scm | 71 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 153 insertions(+) diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm index a37dfd80d8..50a4b7302c 100644 --- a/gnu/services/monitoring.scm +++ b/gnu/services/monitoring.scm @@ -51,6 +51,17 @@ prometheus-configuration-storage-tsdb-path prometheus-configuration-extra-options + alertmanager-service-type + + alertmanager-configuration + alertmanager-configuration-package + alertmanager-configuration-user + alertmanager-configuration-group + alertmanager-configuration-config-file + alertmanager-configuration-web-listen-address + alertmanager-configuration-storage-path + alertmanager-configuration-extra-options + zabbix-server-configuration zabbix-server-service-type zabbix-agent-configuration @@ -226,6 +237,77 @@ prometheus.") (compose list prometheus-node-exporter-shepherd-service)))) (default-value (prometheus-node-exporter-configuration)))) + +;;; +;;; Alertmanager +;;; + +(define-record-type* + alertmanager-configuration + make-alertmanager-configuration + alertmanager-configuration? + (package alertmanager-configuration-package + (default alertmanager)) + (user alertmanager-configuration-user + (default "alertmanager")) + (group alertmanagerconfiguration-group + (default "alertmanager")) + (config-file alertmanager-config-file + (default (plain-file "alertmanager.yml" ""))) + (web-listen-address alertmanager-web-listen-address + (default ":9093")) + (storage-tsdb-path alertmanager-storage-tsdb-path + (default "/var/lib/alertmanager/data/")) + (extra-options alertmanager-configuration-extra-options + (default '()))) + +(define alertmanager-shepherd-service + (match-lambda + (($ package user group + config-file web-listen-address + storage-tsdb-path extra-options) + (shepherd-service + (documentation "Alertmanager monitoring system and time series database.") + (provision '(alertmanager)) + (requirement '(networking)) + (start #~(make-forkexec-constructor + (list #$(file-append package "/bin/alertmanager") + "--config.file" #$config-file + "--web.listen-address" #$web-listen-address + "--storage.path" #$storage-tsdb-path + #$@extra-options) + #:user #$user + #:group #$group + #:log-file "/var/log/alertmanager.log")) + (stop #~(make-kill-destructor)))))) + +(define (alertmanager-account config) + (match-record config + (user group) + (list (user-group + (name group) + (system? #t)) + (user-account + (name user) + (group group) + (system? #t) + (comment "Alertmanager user") + (home-directory "/var/lib/alertmanager") + (shell (file-append shadow "/sbin/nologin")))))) + +(define alertmanager-service-type + (service-type + (name 'alertmanager) + (description + "Run @command{alertmanager} to scrape targets for mertrics and provide the +web interface.") + (extensions + (list (service-extension shepherd-root-service-type + (compose list alertmanager-shepherd-service)) + (service-extension account-service-type + alertmanager-account))) + (default-value (alertmanager-configuration)))) + ;;; ;;; Zabbix server diff --git a/gnu/tests/monitoring.scm b/gnu/tests/monitoring.scm index e8c0847229..b77b654abc 100644 --- a/gnu/tests/monitoring.scm +++ b/gnu/tests/monitoring.scm @@ -33,6 +33,7 @@ #:use-module (guix gexp) #:export (%test-prometheus %test-prometheus-node-exporter + %test-alertmanager %test-zabbix)) @@ -176,6 +177,76 @@ (value (run-prometheus-node-exporter-server-test name %prometheus-node-exporter-os)))) + +;;; +;;; Alertmanager +;;; + +(define* (run-alertmanager-test name test-os) + "Run tests in %TEST-OS, which has Alertmanager running." + (define os + (marionette-operating-system + test-os + #:imported-modules '((gnu services herd)))) + + (define vm + (virtual-machine + (operating-system os) + (port-forwardings '((8080 . 9093))))) + + (define test + (with-imported-modules '((gnu build marionette)) + #~(begin + (use-modules (srfi srfi-11) + (srfi srfi-64) + (gnu build marionette) + (web client) + (web response)) + + (define marionette + (make-marionette (list #$vm))) + + (mkdir #$output) + (chdir #$output) + + (test-begin #$name) + + (test-assert "alertmanager running" + (marionette-eval + '(begin + (use-modules (gnu services herd)) + (match (start-service 'alertmanager) + (#f #f) + (('service response-parts ...) + (match (assq-ref response-parts 'running) + ((pid) (number? pid)))))) + marionette)) + + (test-equal "alertmanager healthy" + 200 + (begin + (wait-for-tcp-port 9090 marionette) + (let-values (((response text) + (http-get "http://localhost:8080/-/healthy"))) + (response-code response)))) + + (test-end) + (exit (= (test-runner-fail-count (test-runner-current)) 0))))) + + (gexp->derivation (string-append name "-test") test)) + +(define %alertmanager-test-os + (simple-operating-system + (service dhcp-client-service-type) + (service alertmanager-service-type))) + +(define %test-alertmanager + (system-test + (name "alertmanager") + (description "Connect to a running Alertmanager service.") + (value (run-alertmanager-test name + %alertmanager-test-os)))) + ;;; ;;; Zabbix -- cgit v1.2.3