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DevOps - Infrastructure as Code - Productivity

November All hands meeting: Jenkins guidelines

Last week we had our “All hands meeting”, consisting of a video call with all the team members. We use these meetings to report what’s going on here at flugel, to share knowledge, and to define some general guidelines. In this case, it was time to review how we deploy pipelines based on Jenkins. The…

Availability & Scalability - DevOps - Infrastructure as Code

Failover is dead

When doing a quick Google search of the keywords “failover meaning”, you will find this definition: “a procedure by which a system automatically transfers control to a duplicate system when it detects a fault or failure.” The definition is perfect, but the concept is broken. Failover is broken. It was ostensibly a good idea years…

Automation - Linux

Preseed notes: autopartition with LVM

Working with preseed can be so so frustrating, but once you start to get the hang of it starts to make sense. Here are some notes, and more important some examples for you to use, feel free to comment. For this example keep in mind this: Disk device here is “/dev/vda” We’re going to set…

Automation - OpenStack

OpenStack: Dell Equallogic controlled by Cinder

Last week a client arrived with new hardware. A Dell Equallogic PS6210XS storage that should be integrated to OpenStack. It was the first time with this model but it worked in the first shoot. In the [DEFAULT] section of cinder.conf we added: [codesyntax lang=”ini”] volume_driver = cinder.volume.drivers.eqlx.DellEQLSanISCSIDriver san_ip = san_login: grpadmin san_password: grpadmin eqlx_group_name: groupname1 eqlx_pool: poolname1 [/codesyntax] Cinder was restarted…

Automation - DevOps - Infrastructure as Code

To use or not to use… Cloud Services

Introduction Recently we’ve been asked to help to decide whether a client should move all their deployment cycle to a cloud provider, or keep some parts In-house, specially Continuous Integration / Continuous Delivery (CI/CD) tasks. This gives me the opportunity to think about a broader matter rather than a particular case. Nowadays it is really…