Having recently finished to re-install my cloud environments, I am now focusing on setting back up my supervision and monitoring services.<\/p>\n
Last week, a friend of mine (Pierre-Edouard Gosseaume) told me about his experience with ceph-dash<\/em>, a dashboard for Ceph I hadn’t heard from back then. So, back to ceph-dash. Again, there’s no package shipped. And as of Calamari, ceph-dash makefile allows you to build deb packages. ceph-dash ships with a small script running your service for tests purposes. It also ships with the necessary configuration for Apache integration, easily convertible to Nginx. Having recently finished to re-install my cloud environments, I am now focusing on setting back up my supervision and monitoring services. Last week, a friend of mine (Pierre-Edouard Gosseaume) told me about his experience with ceph-dash, a dashboard for Ceph I hadn’t heard from back then. Like most ceph users, I’ve heard of Calamari. A […]<\/p>\n","protected":false},"author":2,"featured_media":84,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,6,2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/posts\/76"}],"collection":[{"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=76"}],"version-history":[{"count":3,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/posts\/76\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/posts\/76\/revisions\/83"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=\/wp\/v2\/media\/84"}],"wp:attachment":[{"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.unetresgrossebite.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nLike most ceph users, I’ve heard of Calamari. A languages, frameworks and technologies orgie I’ve ended up building by myself, and deploying on a test cluster I used to operate in Smile.
\nCalamari is sort of a fiasco. The whole stack gets fucked up by the underlying component: Saltstack.
\nSaltstack is yet another configuration deployment solution such as Puppet, Ansible or Rundeck.
\nUsing Calamari, the calamari-server instance would use saltstack to communicate with its clients. As far as I could see, saltstack service randomly stops running on clients, until no one is responding to our server queries. A minute-based cron is required to keep your queries somewhat consistent. It’s a mess, I’ve never installed calamari on a prod cluster, and would recommend waiting at least for some pre-packaged release.<\/p>\n
\nMy first impression was mitiged, at best. Being distributed on github, by some “Crapworks<\/em>“, I had my doubts.
\nOn second thoughts, you can see they have a domain, crapworks.de. Deutsche kalit\u00e4t, maybe germans grant some hidden meaning to the crap thing, allright.<\/p>\n
\nUnlike Calamari, ceph-dash is a very lightweight tool, based mostly on python, inducing low overhead, and able to run fully deported of your ceph cluster.
\nEven if the documentation tells you to install ceph-dash onto a MON host of your cluster, you may as well install it to some dedicated VM, as long as you do have installed the right librados, have a correct \/etc\/ceph\/ceph.conf<\/em>, and can use a valid keyring accessing the cluster.<\/p>\n
\nThe zero-to-dashbord is done in about 5 minutes. Which again, is vastly different from my experience with Calamari.
\nThe major novelty being, it actually works.<\/p>\n","protected":false},"excerpt":{"rendered":"