Juju DevOps Distilled, OW2con11, Nov 24-25, Paris

DevOps, DistilledNick Barcet <nick.barcet@canonical.com>Ubuntu Cloud Product Manager

Manages Services, not Machines2 Presentation by Nick Barcet

The layer above Service Orchestration Configuration Management Virtualization Operating System Hardware3 Presentation by Nick Barcet

Juju, DevOps DistilledDev Ops● Reuse existing deployment charms in an ● Explicit control over deployment, openly-accessible repository of shared configuration and upgrade options expertise ● See what’s deployed and track usage in the● Reproduce deployments for test and cloud staging purposes ● Create and share charms for new● Rapid deployment of your dependencies for applications development purposes ● Monitor, scale, shrink and adjust● Compose whole systems from individual deployment parameters in real time application components and describe the ● Explicitly connect different components and entire deployment maintain those relationships over time ● Collaborate with developers on the exact deployment and upgrade processes ● Get more done: implement decisions immediately regardless of infrastructure scale http://juju.ubuntu.com4 Presentation by Nick Barcet

Jujus Charms● Charms are a shareable, re-usable, and repeatable expressions of DevOps best practices.● You can use them unmodified, or easily change and connect them to fit your needs.● Deploying a formula is similar to installing a package on Ubuntu: ask for it and it’s there, remove it and it’s completely gone.5 Presentation by Nick Barcet

Juju is a community of DevOps expertise.● Most of the application you want will be available in Juju.● Juju provides direct and free access to a DevOps community- contributed collection of formulas6 Presentation by Nick Barcet

Juju provides service orchestration● Juju focuses on managing the service units you need to deliver a single solution, above simply configuring the machines or cloud instances needed to run them.● Charms developed, tested, and deployed on your own hardware will operate the same in an EC2 API compatible cloud or OpenStack or Orchestra, Ubuntus bare-metal provisioning (more providers to come).7 Presentation by Nick Barcet

Juju is intelligent● Juju exposes re-usable service units and well-defined interfaces that allow you to quickly and organically adjust and scale solutions without repeating yourself.8 Presentation by Nick Barcet

Juju is Easy● There’s no need to learn a domain specific language (DSL) to use Juju or create formulas. You can be up and running with your own formula in minutes9 Presentation by Nick Barcet

Jujus internals10 Presentation by Nick Barcet

Juju Juju treats individual services as atoms that are described as charms and can Juju environment be instantiated one or many times. Cloud app Cloud app Cloud app and dependency solver11 Presentation by Nick Barcet OpenStack in Action, Paris

Juju Load Balancer HAProxy Each charm (or atom) define dependencies and/or provides. Depends Provides Juju environment Cloud app Cloud app Cloud app and dependency solver Provides Depends SQL Database MySQL12 Presentation by Nick Barcet OpenStack in Action, Paris

Juju Load Balancer HAProxy Varnish Multiple charms can provide the same service and can be easily switched. Depends Provides Juju environment Cloud app Cloud app Cloud app and dependency solver Provides Depends SQL Database MySQL13 Presentation by Nick Barcet OpenStack in Action, Paris

Juju Varnish Varnish Juju maintains the relations between the services so that you dont need to care about Juju environment Juju Relation the elasticity of your environment. Cloud app Cloud app Cloud app Relations are to charms what bounds are to atoms. and dependency solver Juju Relation Services are loosely coupled but highly cohesive. MySQL MySQL MySQL14 Presentation by Nick Barcet OpenStack in Action, Paris

Juju Varnish Juju delivers service focused management through their life-cycle Juju Relation ● Offers the same simple rules to Juju environment components of you infra as we do already for packages on your servers: dependencies, provides Cloud app Cloud app Cloud app ● Adds the notion of dynamic relations between components ● To provide you with simple automated and dependency solver* elasticity that is easy to expand Juju Relation ● Working on your bare metal servers (through Orchestra*) as easily as on your favourite clouds (AWS, OpenStack*, ...) MySQL15 Presentation by Nick Barcet OpenStack in Action, Paris soon *coming

Result wiki-balancer/0 ec2-174-129-69-54.compute-1.amazonaws.com wiki-balancer local:haproxy-14 demo-wiki/0 demo-wiki/1 ec2-50-16-127-225.compute-1.amazonaws.com ec2-50-16-149-161.compute-1.amazonaws.com demo-wiki local:mediawiki-68 db dbche wiki-db/0 wiki-slave-db wiki-cache/1 ec2-50-19-198-127.compute-1.amazonaws.com local:mysql-98 ec2-75-101-216-57.compute-1.amazonaws.com wiki-cache local:memcached-11 wiki-db wiki-slave-db/0 local:mysql-98 ec2-50-17-77-63.compute-1.amazonaws.com wiki-cache/0 ec2-184-72-144-240.compute-1.amazonaws.com

Thank youNick Barcet<nick.barcet@canonical.com>www.ubuntu.com

Juju DevOps Distilled, OW2con11, Nov 24-25, Paris

by OW2 Consortium

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