{"id":2247,"date":"2016-12-07T22:20:25","date_gmt":"2016-12-07T21:20:25","guid":{"rendered":"https:\/\/www.fanjoe.be\/?p=2247"},"modified":"2016-12-07T22:24:33","modified_gmt":"2016-12-07T21:24:33","slug":"shell-script-pour-pour-notifier-de-conditions-meteo-defavorables-au-tirage-de-ma-chaudiere-via-pushbullet","status":"publish","type":"post","link":"https:\/\/www.fanjoe.be\/?p=2247","title":{"rendered":"Shell Script pour notifier de conditions m\u00e9t\u00e9o d\u00e9favorables au tirage de ma chaudi\u00e8re via Pushbullet"},"content":{"rendered":"<h1>Introduction<\/h1>\n<p>Lorsque certaines conditions climatiques d\u00e9favorables sont r\u00e9unies, le tirage de ma chaudi\u00e8re est faible et celle-ci a tendance \u00e0 refouler et \u00e0 se mettre en s\u00e9curit\u00e9. Particuli\u00e8rement lorsque le br\u00fbleur fonctionne longtemps \u00e0 haut r\u00e9gime pour produire l&rsquo;eau chaude de ma douche matinale.<\/p>\n<p>Pour palier \u00e0 ce probl\u00e8me occasionnel, j&rsquo;ouvre la fen\u00eatre de la cuisine et la porte de la chaufferie pour am\u00e9liorer le tirage.<\/p>\n<p><strong>NB.:<\/strong> <em>Je suis \u00e9quip\u00e9 d&rsquo;un d\u00e9tecteur de monoxyde de carbone en plus des s\u00e9curit\u00e9s de la chaudi\u00e8re. Il ne s&rsquo;est jamais d\u00e9clench\u00e9.<\/em><\/p>\n<p>Mais comment savoir, avant d&rsquo;entrer sous la douche, qu&rsquo;elle risque de subitement me d\u00e9biter de l&rsquo;eau glac\u00e9e sur le dos ? \ud83d\ude42<\/p>\n<p>En consultant le site de <a href=\"http:\/\/www.meteo.be\">meteo.be<\/a> !<\/p>\n<p><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2250\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=2250\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01.jpg\" data-orig-size=\"1440,900\" data-comments-opened=\"1\" data-image-title=\"Meteo-Chaudiere-01\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01-620x388.jpg\" class=\"alignnone size-large wp-image-2250\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01-620x388.jpg\" alt=\"\" width=\"620\" height=\"388\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01-620x388.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01-175x109.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01-300x188.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-01.jpg 1440w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/p>\n<p>Nous allons donc rapatrier les informations qu&rsquo;il contient et les transformer en notifications <a href=\"https:\/\/www.pushbullet.com\/\">Pushbullet<\/a> si n\u00e9cessaire.<\/p>\n<h1>Le script<\/h1>\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">#!\/bin\/bash\r\n\r\n# On rapatrie http:\/\/www.meteo.be\/meteo\/view\/fr\/65239-Accueil.html dans le fichier index.html\r\nwget http:\/\/www.meteo.be\/meteo\/view\/fr\/ -O \/home\/pi\/scripts\/meteo-chaudiere\/index.html\r\n\r\n# On recherche les mots &quot;foyers domestiques&quot; dans le fichier que l'on vient d'enregistrer.\r\ngrep 'foyers domestiques' \/home\/pi\/scripts\/meteo-chaudiere\/index.html\r\n\r\n# Le retour d'info est charg\u00e9 dans la variable $retval :\r\n# 0 = pr\u00e9sence du mot\r\n# 1 = absence du mot\r\nretval=$?\r\n\r\nif &#x5B; &quot;$retval&quot; = 0 ]\r\nthen\r\n\r\n        # On envoie la notification Pushbullet\r\n        emoji=$'\\xE2\\x98\\x81'\r\n        curl -s -u &lt;code class=&quot;bash plain&quot;&gt;ici_votre_token_Pushbullet&lt;\/code&gt;: https:\/\/api.pushbullet.com\/v2\/pushes -d type=note -d title=&quot;Raspberry Pi - $emoji M\u00e9t\u00e9o d\u00e9favorable&quot; -d body=&quot;Les pr\u00e9visions m\u00e9t\u00e9o s'annoncent d\u00e9favorables pour le tirage de la chaudi\u00e8re.&quot; &amp;gt; \/dev\/null\r\n\r\n        # On ajoute une ligne dans le log qui contient la date et l'heure de la notification\r\n        echo `date +\\%Y\\%m\\%d` - `date +\\%T` - M\u00e9t\u00e9o d\u00e9favorable pour le tirage de la chaudi\u00e8re. &amp;gt;&amp;gt; \/var\/log\/meteo-chaudiere\/meteo-chaudiere-`date +\\%Y\\%m`.log\r\n\r\nfi\r\n\r\n# On supprime le fichier HTML\r\nrm \/home\/pi\/scripts\/meteo-chaudiere\/index.html <\/pre>\n<p>Le script va v\u00e9rifier la m\u00e9t\u00e9o chaque jour \u00e0 7h55 via un <code>cronjob<\/code> et envoyer une <a href=\"https:\/\/www.fanjoe.be\/?p=1458\" target=\"_blank\">notification Pushbullet<\/a> et ajouter une ligne dans un fichier log si les conditions climatiques sont d\u00e9favorables au tirage de ma chaudi\u00e8re.<\/p>\n<pre>$ sudo crontab -e<\/pre>\n<p>Le cronjob :<\/p>\n<pre># V\u00e9rifie la m\u00e9t\u00e9o pour le tirage de la chaudi\u00e8re le matin \u00e0 7h55\r\n55 7 * * * \/home\/pi\/scripts\/meteo-chaudiere\/meteo-chaudiere.sh &gt; \/dev\/null 2&gt;&amp;1<\/pre>\n<p>On rapatrie le fichier HTML (<code><strong>wget<\/strong><\/code>) du site <a href=\"http:\/\/www.meteo.be\">meteo.be<\/a> et on v\u00e9rifie (<code><strong>grep<\/strong><\/code>) s&rsquo;il contient quelques mots de la phrase : \u00ab\u00a0L&rsquo;IRM signale des conditions d\u00e9favorables au fonctionnement des foyers domestiques et des chauffe-eau. Soyez attentif \u00e0 tout sympt\u00f4me de type \u00ab\u00a0maux de t\u00eate\u00a0\u00bb ou \u00ab\u00a0envie de vomir\u00a0\u00bb qui pourrait \u00eatre d\u00fb \u00e0 une intoxication au CO.\u00a0\u00bb.<\/p>\n<p>Si oui, <code>wget<\/code> retourne 0. Sinon, 1. On stock cette r\u00e9ponse dans <code>$retval<\/code>.<\/p>\n<p>Si <code>$retval<\/code> = 0, alors, on envoie une notification.<\/p>\n<p>Pour ins\u00e9rer un emoji dans la notification, j&rsquo;ai du passer par une variable.<\/p>\n<p>Le script se trouve dans : <code>\/home\/pi\/scripts\/meteo-chaudiere\/meteo-chaudiere.sh<\/code><\/p>\n<p>Les logs se trouvent dans : <code>\/var\/log\/meteo-chaudiere\/meteo-chaudiere-YYYYMM.log<\/code><\/p>\n<h1>R\u00e9sultat<\/h1>\n<p>Notification sur l&rsquo;\u00e9cran verrouill\u00e9 de l&rsquo;iPhone :<\/p>\n<p><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2256\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=2256\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02.jpg\" data-orig-size=\"1242,330\" data-comments-opened=\"1\" data-image-title=\"Meteo-Chaudiere-02\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02-620x165.jpg\" class=\"alignnone size-large wp-image-2256\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02-620x165.jpg\" alt=\"\" width=\"620\" height=\"165\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02-620x165.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02-175x46.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02-300x80.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02.jpg 1242w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/p>\n<p>Notification dans Pushbullet :<\/p>\n<p><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2257\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=2257\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03.jpg\" data-orig-size=\"1242,352\" data-comments-opened=\"1\" data-image-title=\"Meteo-Chaudiere-03\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03-620x176.jpg\" class=\"alignnone size-large wp-image-2257\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03-620x176.jpg\" alt=\"\" width=\"620\" height=\"176\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03-620x176.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03-175x50.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03-300x85.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-03.jpg 1242w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/p>\n<p><strong>R\u00e9f\u00e9rences :<\/strong><\/p>\n<p id=\"qtitle\" class=\"best\">Ins\u00e9rer un emoji : <a href=\"https:\/\/stackoverflow.com\/questions\/602912\/how-do-you-echo-a-4-digit-unicode-character-in-bash\">https:\/\/stackoverflow.com\/<br \/>\n<\/a>Liste des emoji : <a href=\"http:\/\/apps.timwhitlock.info\/emoji\/tables\/unicode\">http:\/\/apps.timwhitlock.info\/<br \/>\n<\/a>Test de la pr\u00e9sence d&rsquo;un mot dans un fichier : <a href=\"http:\/\/www.commentcamarche.net\/forum\/affich-4293242-shell-test-la-presence-1-mot-dans-un-fichier\">http:\/\/www.commentcamarche.net\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction <\/p>\n<p>Lorsque certaines conditions climatiques d\u00e9favorables sont r\u00e9unies, le tirage de ma chaudi\u00e8re est faible et celle-ci a tendance \u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2256,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_post_was_ever_published":false},"categories":[179,10,3,12],"tags":[37,146,145],"class_list":["post-2247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domotique","category-geek","category-informatique","category-raspberrypi","tag-chaudiere","tag-notifications","tag-pushbullet","end"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2016\/12\/Meteo-Chaudiere-02.jpg","_links":{"self":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts\/2247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2247"}],"version-history":[{"count":0,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts\/2247\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/media\/2256"}],"wp:attachment":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}