CloudStack Container Service

The Cloud Specialists
Building a Container
Solution on Top of Apache
Cloudstack
Paul Angus, VP Technology • @CloudyAngus
paul.angus@shapeblue.com
A n i n t r o d u c t i o n t o
Giles Sirett• @GilesSirett
Giles.sirett@shapeblue.com giles@apache.org

C l i c k t o e d i t
ShapeBlue.com @ShapeBlue
W h e r e ’s P a u l
+ =+
W h e r e ’s W a l l y ?

Paul Angus – VP Technology
• Global authority on CloudStack & cloud infrastructure design.
• 10+ years C-Level experience.
• Apache CloudStack project committer
• Specialising in deployment of CloudStack
and surrounding infrastructure
• USP, Georgian Ministry of Justice, Orange, TomTom,
PaddyPower, Ascenty, BSkyB
A b o u t m e

# W h o A m I ?
• PMC member & Committer -
Apache CloudStack
• Chairman – European CloudStack
user group
• CEO ShapeBlue
• Declaration: I’m a business guy
(Software Engineer in recovery)
• Also: Physicist, husband, runner,
Dad, rugby coach

“ShapeBlue are expert builders of public
& private clouds. They are the leading
independent global CloudStack services
company”
A b o u t S h a p e B l u e

S h a p e B l u e c u s t o m e r s
O u r c u s t o m e r s

Introduction

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The Cloud Specialists ShapeBlue.com @ShapeBlue
The container revolution

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• Massive growth of cloud native
applications
Microservices architectures
• Containers are a key component
of cloud native applications
• Application level software delivery
• Lightweight (higher density vs VMs)
• Faster start-up time (vs VMs)
• Most users still overwhelmingly
consume VM’s
W h a t s d r i v i n g t h i s ?

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• Market is fast moving and unsettled
• What do I pick for CaaS?
• Focus from most vendors is on
enterprise use
• Multi-tenancy is an afterthought
W h a t d o I d o ?

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T h e V M i s d e a d , l o n g l i v e t h e V M

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The challenges for service providers
• Consumers of IaaS are demanding a
container platform
• They want it in the same place
• IaaS is currently a VM based business
• What should the cloud service provider
sell ?
• Containers vs Virtual Machines?
• How should multi-tenancy be handled?
• Should the VM be removed ? How ?
• How can I orchestrate all of this ?
• Lots of emerging offerings focused on
the Enterprise market only
T h e c h a l l e n g e s

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We couldn’t find the
answer so we went
and built that s**t

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CloudStack Container Service
• Based on the model offered by Google and AWS
• CaaS offering within existing IaaS environments
• No disruption to user experience or business
• Users deploy and orchestrate containers within
their IaaS infrastructure
• Users pay for the underlying VM’s / infra.
• Built on established technologies
• Apache CloudStack
• Kubernetes
• CoreOS
T h e C l o u d s t a c k c o n t a i n e r s e r v i c e

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CloudStack Container Service – what is it
• UI/API Plugin functionality for Cloudstack
• Orchestrates the deployment of Kubernetes within VM
clusters to manage containers
• Creates secure access to the
Kubernetes endpoint and dashboard
• Allows pass-through access to VMs
• Acts as a control plane
C l o u d s t a c k c o n t a i n e r s e r v i c e

Components

1. Framework adds the concept of a group or cluster of
VMs into CloudStack and enables the creation and
management of those VMs as a group at the API level.
2. Deploy Kubernetes onto a group of VMs, configure
them as a Kubernetes cluster and query the Kubernetes
API to obtain and return state information.
3. UI to simplify interaction with the clusters once created.
C C S c o m p o n e n t s

@ShapeBlueShapeBlue.com

Demonstration

@ShapeBlueShapeBlue.com

• Created a Container Cluster
• Used the auto-deployed dashboard
• Deployed two HA containerised applications
• Created firewall and load-balancing rules to expose those
applications
• Accessed those applications
Summary

New APIs
createContainerCluster
name : name of the cluster
description
zoneId: zone in which cluster to be launched. zone to be of 'advanced' zone
networkId: network of 'shared' type
nodeCount: number of node instances in the cluster used for launching the containers
serviceOfferingId: uuid of the computer offering that shall be used for launching nodes, and master k8s VMs
templateId: UUID of the template for creating the VMs
listContainerCluster
deleteContainerCluster
id: UUID of the cluster to be deleted

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Technology Choices
• Apache CloudStack
• IaaS orchestration platform
• Drives many of the world’s largest public clouds
• Tightly defined scope
• Kubernetes
• Kubernetes is an open-source system for automating deployment,
operations, and scaling of containerised applications
• Open sourced by Google now at the CNCF under the Linux Foundation
• Set to become defacto. In use at Google,GKE, HP Helion, Redhat
Openshift, VMware Cloud, Windows Azure
Te c h n o l o g y c h o i c e s

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Agnostic
• Uses Docker engine by default but can choose rkt by CoreOS
• Users can choose the container networking solution they want, the
current default is flannel
A g n o s t i c

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Agnostic
• Currently implemented K8S, but framework can be used for other
cluster based platforms in the future:
Network Storage Compute
A g n o s t i c

• Automate exposing services to public internet
• Support resizing of clusters
• Auto-scaling of clusters
• Upgrade of Kubernetes version
• Intelligent independent sizing of master node
• Optional HA for master nodes.
• Use of distributed etcd data store
• Optional use of anti-affinity groups
• Support for CloudStack volumes in Kubernetes for data persistency
• Support for baremetal deployments.
F e a t u r e r o a d m a p

• Licensed version at GA July 2016
• Currently supported in Apache Cloudstack >4.5
• and today…….
Ti m e f r a m e s

SHAPEBLUE CONTRIBUTES
NATIVE SUPPORT FOR
KUBERNETES AND DOCKER
TO APACHE CLOUDSTACK
(we’ve opensourced it)

Q u e s t i o n s
?

CloudStack Container Service

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