For my own company MySocialApp, I’m managing multiple Cassandra clusters on top of a Kubernetes on premise cluster. For those who never heard of this distributed database, here is the summary from the official website: The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.
The Ansible meetup ended ! That was really nice for my first one. I had really great feedbacks and liked the questions when ended. More than that I met nice people after the meetup and could have interresting discussions :-). I’m really happy about it. For those who would like to review the slides, you can find them here: http://nousmotards.github.io/ansible-meetup-0915/ If you want to watch the video: http://www.infoq.com/fr/presentations/reseau-social-motard or view the PDF version here:
For a new project (will talk about it later), I needed to use Neo4J (graph database if you don’t know it yet). I tried to cover more features than the current existing Ansible roles available on Ansible Galaxy. More will come in the next weeks. I also tried to make it simple to install it and do not force dependencies at maximum. Here are parameters you can set: # Select neo4j version neo4j_package: neo4j # community version #neo4j_package: neo4j-advanced #neo4j_package: neo4j-enterprise # Neo4j spatial plugin neo4j_install_spatial: false neo4j_spatial_version: '0.
A few days ago I wanted to play with HAProxy SSL offloading. It was a good experience and alternative to Nginx SSL offloading (I already talked about in this blog). But this is not the topic here… When I was trying to make the offload working on the blog, I modified WordPress options which switched my blog into an infinite loop mode. As it was late and I was tired (bad idea), I just wanted to rollback my changes and needed to recover a SQL backup to do it fast.
For my personal usages, I wanted do use DotDeb and MySQL playbooks. I first looked at the current ones on the Ansible Galaxy. However I did not find a good one for my needs. I first wanted to try to contribute to an existing one. But I needed to have them quickly and unfortunately didn’t have the time to do it. That’s why I made 2 new Ansible roles and added them to Ansible Galaxy.
Following the deployment blog post I made on ES/Kibana/Fluentd, I released new version of Fluentd and Kibana playbooks to support the latests versions of themselves and ElasticSearch. ElasticSearch 1.4 version is ,out which doesn’t changed anything for the deployment. However Kibana requires to enable an ElasticSearch configuration option now, to work properly. I updated the Kibana playbook for it. On its side, Fluentd has the major release 2.0 out and I updated Ansible playbook for the best integration with Debian Wheezy.
As I do not really have a good blog post for today, here are some things I wanted to talk in a summary. Some good projects have been updated like: WordPress 4: no big updates at the first view but it’s nice to see how this project works and grow (videos, WYSIWYG,…) HAProxy 1.5: Offlloading SSL embedded, Full HTTP Keepalive, ACL enhancement… BIG update! MySecureShell 2.0: Using GnuTLS instead of OpenSSL, available in Debian upstream repositories, new doc… Nginx 1.
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