How to implement microservices

How to Implement Microservices DevOps Exchange London Apr 2014

Marc Cluet DevOps & Automation Advisory Rackspace

https://www.flickr.com/photos/charlattecreations/2451149483

RACKSPACE® HOSTING | WWW.RACKSPACE.CO.UK

Who am I?!Marc Cluet (@lynxman)

More than 16 years of experience as a SysAdmin Founding member of Juju and MAAS while at Canonical Leading a DevOps Engineering Team at Rackspace Been DevOps’in for 5 years now


What is Rackspace?!Founded in 1998 in San Antonio, TX by three guys that wanted to create a hosting company Home of Fanatical Support /o/ Second biggest Public Cloud in the world OpenStack Project co-founder


So… Microservices!!

https://www.flickr.com/photos/wintermute2600/4056854111



Microservices are not new!!!



https://www.flickr.com/photos/marfis75/3279307888



Microservices are reliant!!!



https://www.flickr.com/photos/5wa/8593739154



Microservices force you to!Design for Failure!!

!!


Recommendations!

https://www.flickr.com/photos/mdpettitt/4818781521


1 Server per Service!

https://www.flickr.com/photos/90994070@N00/4700774401


Do your HA right!https://www.flickr.com/photos/daverugby83/4583767689


Containers!

https://www.flickr.com/photos/gcwest/281385801


Containers!


Containers!

<3!!!


Containers!


API Versioning!

https://www.flickr.com/photos/kevinbyrom/5027408898/


API Versioning!

https://www.flickr.com/photos/kevinbyrom/5027408898/

Version 1 /servers?image=imageId& flavor=flavorId& name=serverName& status=serverStatus& marker=markerID& limit=int&changes-since=dateTime& RAX-SI:image_schedule=boolean

Version 2 /v2/{tenant_id}/servers{?changes-since,image,flavor,name,marker,limit,status,host}

Version 3 /v3/servers/{server_id}/action {?changes-since,image,flavor,name,marker,limit,status,host}


Sync vs Async!

https://www.flickr.com/photos/beate_meier/8337014543


Sync vs Async!

Action 1 Action 2 Action 3


Sync vs Async!

Action 1 Action 2

Action 2b

Action 3


Sync vs Async!

Router

API Server

Scheduler

MQ

Worker


Dark Side of Microservices!

https://www.flickr.com/photos/kalexanderson/7556757396


Costs!

https://www.flickr.com/photos/amagill/3366720659


Concentration!

https://www.flickr.com/photos/z_wenjie/5602616401


Network Fragmentation!

https://www.flickr.com/photos/small_realm/6898449633


https://www.flickr.com/photos/mikko_luntiala/12691267935

https://www.flickr.com/photos/dullhunk/202872717

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@lynxman!

http://slideshare.net/lynxmanuk/!

http://www.rackspace.co.uk/technicalservices/ !

!

How to implement microservices

Technology

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