{"id":2666,"date":"2018-04-23T08:17:29","date_gmt":"2018-04-23T07:17:29","guid":{"rendered":"https:\/\/pcll.ac-dijon.fr\/eole\/?p=2666"},"modified":"2018-04-23T08:17:29","modified_gmt":"2018-04-23T07:17:29","slug":"hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole","status":"publish","type":"post","link":"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/","title":{"rendered":"Hackathon : compte rendu du travail sur la remont\u00e9e de statistiques d&rsquo;usage des modules EOLE"},"content":{"rendered":"<p><strong>L&rsquo;objectif de ce travail \u00e9tait de tester l&rsquo;outil Prometheus pour remonter les statistiques d&rsquo;usage des modules EOLE.<\/strong><\/p>\n<p>Prometheus permet d&rsquo;agr\u00e9ger et de stocker les m\u00e9triques collect\u00e9es par les agents nomm\u00e9s Exporters. Une interface rudimentaire permet de visualiser les donn\u00e9es. Un gestionnaire d&rsquo;alarme permet l&rsquo;envoi d&rsquo;alertes aux utilisateurs.<\/p>\n<p><a href=\"https:\/\/prometheus.io\/\">https:\/\/prometheus.io\/<\/a><strong><br \/>\n<\/strong><\/p>\n<p>La visualisation des donn\u00e9es agr\u00e9g\u00e9es peut s&rsquo;effectuer avec Grafana.<\/p>\n<p><a href=\"https:\/\/grafana.com\/\">https:\/\/grafana.com\/<\/a><\/p>\n<h2>Installation de Prometheus sur Eolebase 2.6.2<\/h2>\n<p>Une installation depuis les sources 2.0.0 est un peu laborieuse.<\/p>\n<p>Sur Eolebase Prometheus est empaquet\u00e9 en version 0.16, la version date un peu.<\/p>\n<p>Le travail de packaging est effectu\u00e9 par ailleurs par un mainteneur : <a href=\"https:\/\/github.com\/jtyr\/prometheus-deb\">https:\/\/github.com\/jtyr\/prometheus-deb<\/a><\/p>\n<p>Installation de curl :<\/p>\n<p><code class=\" language-bash\"># apt-eole install curl<\/code><\/p>\n<p>Ajout du d\u00e9p\u00f4t et installation du paquet Prometheus :<\/p>\n<p><code># curl -L https:\/\/packagecloud.io\/prometheus-deb\/release\/gpgkey | apt-key add -<\/code><\/p>\n<p><code># echo 'deb https:\/\/packagecloud.io\/prometheus-deb\/release\/ubuntu\/ xenial main' &gt; \/etc\/apt\/sources.list.d\/prometheus.list<\/code><\/p>\n<p><code># apt-get update<\/code><\/p>\n<p><code># apt-get install prometheus<\/code><\/p>\n<p>Par d\u00e9faut il n&rsquo;y a pas besoin de modifier la configuration \/etc\/prometheus\/prometheus.yml.<\/p>\n<p>Pour d\u00e9marrer le service Prometheus :<\/p>\n<p><code class=\" language-bash\"># systemctl start prometheus<\/code><\/p>\n<p>En l&rsquo;\u00e9tat une ouverture du port 9090 est n\u00e9cessaire pour gagner du temps il est possible de d\u00e9sactiver le pare-feu du module :<\/p>\n<p><code class=\" language-bash\"># ouvre.firewall<code><\/code><\/code><\/p>\n<p>L&rsquo;application est disponible \u00e0 l&rsquo;adresse : <a href=\"http:\/\/&lt;adresse_du_serveur&gt;:9090\">http:\/\/&lt;adresse_du_serveur&gt;:9090<\/a><\/p>\n<p><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2667\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus.png\" alt=\"\" width=\"871\" height=\"523\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus.png 871w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus-300x180.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus-768x461.png 768w\" sizes=\"auto, (max-width: 871px) 100vw, 871px\" \/><\/a><\/p>\n<p>Les journaux permettent de d\u00e9boguer la configuration de Promotheus :<\/p>\n<p><code># tail -f \/var\/log\/rsyslog\/local\/prometheus\/prometheus.info.log<\/code><\/p>\n<h2>Installation d&rsquo;un Exporter sur le serveur lui-m\u00eame<\/h2>\n<p><code class=\" language-bash\"># apt-eole install prometheus-node-exporter<\/code><\/p>\n<p>Il est possible de rafra\u00eechir la configuration \u00e0 l&rsquo;aide d&rsquo;une commande curl.<\/p>\n<p>Rafra\u00eechir la configuration :<\/p>\n<p><code class=\" language-bash\"># curl -X POST http:\/\/localhost:9090\/-\/reload<\/code><\/p>\n<p>La visualisation des donn\u00e9es peut se faire dans l&rsquo;interface, choisir dans le menu d\u00e9roulant l&rsquo;information souhait\u00e9e et cliquer sur Execute.<\/p>\n<p><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2680 size-full\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu.png\" alt=\"\" width=\"1600\" height=\"305\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu.png 1600w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu-300x57.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu-768x146.png 768w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpu-1024x195.png 1024w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/a><\/p>\n<p>Pour afficher sous forme de graphe, cliquer sur Graph.<\/p>\n<p><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2682 size-full\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1.png\" alt=\"\" width=\"1600\" height=\"675\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1.png 1600w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1-300x127.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1-768x324.png 768w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/cpuGraphe-1-1024x432.png 1024w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/a><\/p>\n<p>Les informations du n\u0153ud sont disponibles sur le port 9100 :\u00a0 <a href=\"http:\/\/&lt;adresse_du_serveur&gt;:9100\/metrics\">http:\/\/&lt;adresse_du_serveur&gt;:9100\/metrics<\/a><\/p>\n<p><code># HELP go_gc_duration_seconds A summary of the GC invocation durations.<br \/>\n# TYPE go_gc_duration_seconds summary<br \/>\ngo_gc_duration_seconds{quantile=\"0\"} 0.00039782<br \/>\ngo_gc_duration_seconds{quantile=\"0.25\"} 0.00065545<br \/>\ngo_gc_duration_seconds{quantile=\"0.5\"} 0.0008008770000000001<br \/>\ngo_gc_duration_seconds{quantile=\"0.75\"} 0.000986045<br \/>\ngo_gc_duration_seconds{quantile=\"1\"} 0.005430900000000001<br \/>\ngo_gc_duration_seconds_sum 3.6383615049999998<br \/>\ngo_gc_duration_seconds_count 3921<\/code><\/p>\n<h2>Installation de Grafana<\/h2>\n<p>L&rsquo;installation peut se faire de plusieurs mani\u00e8res document\u00e9s ici : <a href=\"http:\/\/docs.grafana.org\/installation\/debian\/\">http:\/\/docs.grafana.org\/installation\/debian\/<\/a><\/p>\n<p>Ajout du d\u00e9p\u00f4t et installation du paquet Grafana :<\/p>\n<p><code class=\" language-bash\"># curl https:\/\/packagecloud.io\/gpg.key | apt-key add -<\/code><\/p>\n<p><code class=\" language-bash\"><code># echo '<\/code>deb https:\/\/packagecloud.io\/grafana\/stable\/debian\/ stretch main'\u00a0<code>&gt; \/etc\/apt\/sources.list.d\/grafana.list<\/code><\/code><\/p>\n<p><code># apt-get update<\/code><\/p>\n<p><code class=\" language-bash\"># apt-get install grafana<\/code><\/p>\n<p>Et d\u00e9marrer le service :<\/p>\n<p><code class=\" language-bash\">systemctl start grafana-server<\/code><\/p>\n<p>L&rsquo;application est disponible \u00e0 l&rsquo;adresse : <a href=\"http:\/\/&lt;adresse_du_serveur:3000\/\">http:\/\/&lt;adresse_du_serveur:3000\/<\/a><\/p>\n<p>Le compte par d\u00e9faut pour acc\u00e9der \u00e0 l&rsquo;interface Grafana est admin avec le mot de passe admin.<\/p>\n<h2>Ajouter Prometheus comme source de donn\u00e9es<\/h2>\n<p>Il faut se rendre dans le panneau de configuration : Configuration (ic\u00f4ne roue crant\u00e9e) \u2192 Data Sources \u2192 + Add data source.<\/p>\n<p>Remplir au minium les champs : Name, Type et URL<\/p>\n<p><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/dataSource.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2672\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/dataSource.png\" alt=\"\" width=\"899\" height=\"807\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/dataSource.png 899w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/dataSource-300x269.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/dataSource-768x689.png 768w\" sizes=\"auto, (max-width: 899px) 100vw, 899px\" \/><\/a><\/p>\n<h2>Installer un mod\u00e8le de tableau de bord<\/h2>\n<p>T\u00e9l\u00e9charger le mod\u00e8le Node Exporter Full sous forme de JSON : <a href=\"https:\/\/grafana.com\/dashboards\/1860\">https:\/\/grafana.com\/dashboards\/1860<\/a><\/p>\n<p>Ajouter un tableau de bord : Dashboard (ic\u00f4ne +) \u2192 import<\/p>\n<p><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2675\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull.png\" alt=\"\" width=\"1600\" height=\"763\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull.png 1600w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull-300x143.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull-768x366.png 768w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/nodeExporterFull-1024x488.png 1024w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/a><\/p>\n<h2>Ajouter des machines EOLE<\/h2>\n<p>Installation de sur chacune des machines\u00a0192.168.0.20:9100 et 192.168.0.26 :<\/p>\n<p><code># apt install prometheus-node-exporter<\/code><\/p>\n<p><code># ouvre.firewall<\/code><\/p>\n<p>Configuration de Prometheus<\/p>\n<pre>scrape_configs:\r\n- job_name: 'Prometheus'\r\n\r\n# metrics_path defaults to '\/metrics'\r\n# scheme defaults to 'http'.\r\n\r\nstatic_configs:\r\n- targets: ['localhost:9100']\r\n\r\n- job_name: 'EOLE'\r\n\r\nstatic_configs:\r\n- targets: ['192.168.0.20:9100','192.168.0.26:9100']<\/pre>\n<h2><a href=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2689\" src=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE.png\" alt=\"\" width=\"1600\" height=\"763\" srcset=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE.png 1600w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE-300x143.png 300w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE-768x366.png 768w, https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/chargeEOLE-1024x488.png 1024w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/a><\/h2>\n<h2>Conclusion<\/h2>\n<p>Prometheus est relativement simple \u00e0 mettre en \u0153uvre. La configuration des tableaux de bord est un peu plus complexe. Prometheus pourrait \u00eatre int\u00e9gr\u00e9 \u00e0 la nouvelle application Z\u00e9phir pour monitorer les diff\u00e9rents serveurs EOLE.<\/p>\n<h2>Liens<\/h2>\n<p>Installation avec docker :<\/p>\n<p><a href=\"https:\/\/prometheus.io\/docs\/prometheus\/latest\/installation\/\">https:\/\/prometheus.io\/docs\/prometheus\/latest\/installation\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;objectif de ce travail \u00e9tait de tester l&rsquo;outil Prometheus pour remonter les statistiques d&rsquo;usage des modules EOLE. Prometheus permet d&rsquo;agr\u00e9ger et de stocker les m\u00e9triques collect\u00e9es par les agents nomm\u00e9s Exporters. Une interface rudimentaire permet de visualiser les donn\u00e9es. Un gestionnaire d&rsquo;alarme permet l&rsquo;envoi d&rsquo;alertes aux utilisateurs. https:\/\/prometheus.io\/ La visualisation des donn\u00e9es agr\u00e9g\u00e9es peut s&rsquo;effectuer [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2,3],"tags":[94,13,93],"class_list":["post-2666","post","type-post","status-publish","format-standard","hentry","category-evenements","category-technique","tag-grafana","tag-hackathon","tag-prometheus"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hackathon : compte rendu du travail sur la remont\u00e9e de statistiques d&#039;usage des modules EOLE - EOLE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hackathon : compte rendu du travail sur la remont\u00e9e de statistiques d&#039;usage des modules EOLE - EOLE\" \/>\n<meta property=\"og:description\" content=\"L&rsquo;objectif de ce travail \u00e9tait de tester l&rsquo;outil Prometheus pour remonter les statistiques d&rsquo;usage des modules EOLE. Prometheus permet d&rsquo;agr\u00e9ger et de stocker les m\u00e9triques collect\u00e9es par les agents nomm\u00e9s Exporters. Une interface rudimentaire permet de visualiser les donn\u00e9es. Un gestionnaire d&rsquo;alarme permet l&rsquo;envoi d&rsquo;alertes aux utilisateurs. https:\/\/prometheus.io\/ La visualisation des donn\u00e9es agr\u00e9g\u00e9es peut s&rsquo;effectuer [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\" \/>\n<meta property=\"og:site_name\" content=\"EOLE\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-23T07:17:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus.png\" \/>\n\t<meta property=\"og:image:width\" content=\"871\" \/>\n\t<meta property=\"og:image:height\" content=\"523\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"G\u00e9rald Schwartzmann\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PoleEole\" \/>\n<meta name=\"twitter:site\" content=\"@PoleEole\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"G\u00e9rald Schwartzmann\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\"},\"author\":{\"name\":\"G\u00e9rald Schwartzmann\",\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/#\/schema\/person\/a2a841fd5a669c93f8d7eec693fd2c9d\"},\"headline\":\"Hackathon : compte rendu du travail sur la remont\u00e9e de statistiques d&rsquo;usage des modules EOLE\",\"datePublished\":\"2018-04-23T07:17:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\"},\"wordCount\":481,\"image\":{\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/pcll.ac-dijon.fr\/eole\/wp-content\/uploads\/sites\/4\/2018\/04\/prometheus.png\",\"keywords\":[\"Grafana\",\"Hackathon\",\"Prometheus\"],\"articleSection\":[\"\u00c9v\u00e9nements\",\"Technique\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\",\"url\":\"https:\/\/pcll.ac-dijon.fr\/eole\/hackathon-compte-rendu-travail-remontee-de-statistiques-dusage-modules-eole\/\",\"name\":\"Hackathon : compte rendu du travail sur la remont\u00e9e de statistiques d'usage des modules EOLE - 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