{"id":55,"date":"2012-02-19T20:16:09","date_gmt":"2012-02-19T19:16:09","guid":{"rendered":"http:\/\/blog.jeremm.fr\/?p=55"},"modified":"2014-09-24T22:09:52","modified_gmt":"2014-09-24T20:09:52","slug":"varnish-ajouter-informations-dans-le-header-pour-debug","status":"publish","type":"post","link":"https:\/\/blog.jeremm.fr\/?p=55","title":{"rendered":"Varnish : ajouter des informations dans l&rsquo;en-t\u00eate HTTP pour debuger"},"content":{"rendered":"<p>Pour voir si l&rsquo;objet vient du cache ou pas, ajoutez dans le vcl_deliver :<\/p>\n<pre lang=\"cpp\">if (obj.hits > 0){\r\n      set resp.http.X-Varnish-Cache = \"HIT\";\r\n}else{\r\n      set resp.http.X-Varnish-Cache = \"MISS\";\r\n}<\/pre>\n<p>Pour voir si la requ\u00eate est pass\u00e9e par la routine pass :<\/p>\n<pre lang=\"cpp\">sub vcl_pass {\r\n        set req.http.X-marker = \"pass\" ;\r\n}\r\nsub vcl_fetch {\r\n        if (req.http.X-marker == \"pass\" ) {\r\n                unset req.http.X-marker;\r\n                set beresp.http.X-marker = \"pass\" ;\r\n        }\r\n}\r\nsub vcl_deliver {\r\n        if (resp.http.X-marker == \"pass\" ) {\r\n                remove resp.http.X-marker;\r\n                set resp.http.X-Varnish-Cache = \"PASS\";\r\n        }\r\n}<\/pre>\n<p>Pour voir le TTL dans les en-t\u00eates des objets, ajoutez dans le vcl_fetch :<\/p>\n<pre lang=\"cpp\">set beresp.http.X-Varnish-TTL = beresp.ttl;<\/pre>\n<p>Pour voir le nom du serveur o\u00f9 se trouve varnish, ajoutez dans le vcl_fetch :<\/p>\n<pre lang=\"cpp\">set beresp.http.X-Served-By = server.hostname;<\/pre>\n<p>Pour voir le backend dans les en-t\u00eates des objets, ajoutez dans le vcl_fetch :<\/p>\n<pre lang=\"cpp\">set beresp.http.Served-By = beresp.backend.name ;<\/pre>\n<p>Pour voir le host et l&rsquo;url dans les en-t\u00eates des objets, ajoutez dans le vcl_fetch :<\/p>\n<pre lang=\"cpp\">set beresp.http.X-host = req.http.host;\r\nset beresp.http.X-url = req.url;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Pour voir si l&rsquo;objet vient du cache ou pas, ajoutez dans le vcl_deliver : if (obj.hits > 0){ set resp.http.X-Varnish-Cache = \u00ab\u00a0HIT\u00a0\u00bb; }else{ set resp.http.X-Varnish-Cache = \u00ab\u00a0MISS\u00a0\u00bb; } Pour voir si la requ\u00eate est pass\u00e9e par la routine pass : sub vcl_pass { set req.http.X-marker = \u00ab\u00a0pass\u00a0\u00bb ; } sub vcl_fetch { if (req.http.X-marker == <a href='https:\/\/blog.jeremm.fr\/?p=55' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[12,60,9],"_links":{"self":[{"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/posts\/55"}],"collection":[{"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55"}],"version-history":[{"count":27,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions"}],"predecessor-version":[{"id":937,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions\/937"}],"wp:attachment":[{"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jeremm.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}