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The Containers Ecosystem, the OpenStack Magnum Project, the Open Container Initiative, and You!

Daniel Krook
Daniel Krook
Daniel KrookChief Technology Officer - The Call for Code Global Initiative & IBM Code and Response

Presentation at the OpenStack Summit in Tokyo, Japan on October 27, 2015. http://sched.co/49x0 The technology industry has been abuzz about cloud workload containerization since the open source Docker project became a phenomenon in early 2014. Meanwhile, an OpenStack Containers Team was formed and the Magnum project launched to provide users with a convenient Containers-as-a-Service solution for OpenStack environments. As the potential of both technologies emerged, many wanted to see shared governance over the baseline container specification and runtime technology to ensure an open cloud ecosystem. This past June, a new group was formed with a goal of creating open, industry standards around container formats and runtimes, called the Open Container Initiative (http://www.opencontainers.org). So how will OpenStack Magnum influence - and be influenced by - the new OCI group? Why is the OCI under the stewardship of the Linux Foundation? What is the scope of the OCI effort? What project goals and/or principles will guide their work? Attend this session to learn the following: * A brief history of the open container ecosystem and the major benefits that containerization provides * An overview of the Magnum CaaS plugin architecture and design goals * Insider details on the the progress of the Linux Foundation Open Container Initiative (and the related Cloud Native Computing Foundation) * What it all means for deploying container orchestration engines on your cloud with OpenStack Magnum Megan Kostick - Software Engineer, Cloud and Open Source Technologies, IBM Daniel Krook - Senior Software Engineer, Cloud and Open Source Technologies, IBM Jeffrey Borek - WW Program Director, Open Technologies and Partnerships, Cloud Computing

The Containers Ecosystem, the OpenStack Magnum Project, the Open Container Initiative, and You!

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The Containers Ecosystem, the OpenStack Magnum Project,
the Open Container Initiative, and You!
What Open Containers and Cloud Native Computing mean to OpenStack
Megan Kostick
@KostickMegan
flickr.com/68397968@N07
Jeffrey Borek
@JeffBorek
Daniel Krook
@DanielKrook
What you will learn today
•  Introduction to container technology and its open source history
•  How containerization fits into OpenStack, and in particular Magnum
•  Introduction to the Linux Foundation collaborative projects on containers
– Open Container Initiative
– Cloud Native Computing Foundation
•  How the OCI and CNCF container standardization may affect Magnum
2
Our background is in open source and open standards
3
Megan Kostick
•  Customer advocate for open technologies adoption (OpenStack, Cloud Foundry, Docker)
•  Software Engineer, Cloud and Open Source Technologies, IBM
•  @KostickMegan
Daniel Krook
•  Customer advocate for open technologies adoption (OpenStack, Cloud Foundry, Docker)
•  Senior Software Engineer, Cloud and Open Source Technologies, IBM
•  @DanielKrook
Jeffrey Borek
•  IBM representative to the OCI & CNCF, Chair of Docker Governance Advisory Board
•  WW Program Director, Open Technologies and Partnerships, Cloud Computing
•  @JeffBorek
Container technology today enables greater density, faster startup, and easier deployment of applications
4
Containers provide isolation for
processes sharing compute,
networking, and storage resources
on a single host system. They are
similar to virtualized machine instances
but share the host kernel and avoid
hardware emulation.
Applications can be packaged with all
the additional dependencies that
they need, above what is provided by
the host. This makes them efficient to
run, easy to move from host to host,
and enable more granular control of
applications.
There are costs, however...
Diagram source: Exploring Opportunities: Containers and OpenStack
Containers are not new. Many innovations from many
organizations have brought them where we are today
5
Jails
VServer
Zones
cgroups
Namespaces
LXC
Docker
FreeBSD Jails
expand on
Unix chroot
to isolate
processes
2000
2001
2004
2006
2008
2008
2013
Linux-VServer
ports kernel
isolation, but
requires
recompilation
Solaris Zones
bring the
concept of
snapshots
Google
introduces
Process
Containers,
merged as
cgroups
Red Hat
adds user
namespaces,
limiting root
access in
containers
IBM creates
LXC, providing
user tools for
cgroups and
namespaces
Docker provides
simple user
tools and
images.
Containers go
mainstream
Several OpenStack projects leverage containers to gain these benefits
6
A Docker hypervisor driver for
Nova Compute to treat containers
and images as the same type of
resource as virtual machines.
Nova
A plugin template for
orchestrating Docker resources
on top of OpenStack resources.
Allows access to full Docker API.
Heat
Containerizes the OpenStack
control services themselves as
microservices to simplify the
operational experience.
Kolla
Provides an application catalog of
containerized applications that
can be deployed to an OpenStack
cloud.
Murano
OpenStack is above all an integration engine, bringing various technologies together
through common APIs. Therefore, containers have naturally been plugged into several
existing projects and will find their way into other areas as well.
Provides an API to manage multi-
tenant Containers-as-a-Service
leveraging Heat, Nova, and Neutron.
Magnum

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The Containers Ecosystem, the OpenStack Magnum Project, the Open Container Initiative, and You!

  • 1. The Containers Ecosystem, the OpenStack Magnum Project, the Open Container Initiative, and You! What Open Containers and Cloud Native Computing mean to OpenStack Megan Kostick @KostickMegan flickr.com/68397968@N07 Jeffrey Borek @JeffBorek Daniel Krook @DanielKrook
  • 2. What you will learn today •  Introduction to container technology and its open source history •  How containerization fits into OpenStack, and in particular Magnum •  Introduction to the Linux Foundation collaborative projects on containers – Open Container Initiative – Cloud Native Computing Foundation •  How the OCI and CNCF container standardization may affect Magnum 2
  • 3. Our background is in open source and open standards 3 Megan Kostick •  Customer advocate for open technologies adoption (OpenStack, Cloud Foundry, Docker) •  Software Engineer, Cloud and Open Source Technologies, IBM •  @KostickMegan Daniel Krook •  Customer advocate for open technologies adoption (OpenStack, Cloud Foundry, Docker) •  Senior Software Engineer, Cloud and Open Source Technologies, IBM •  @DanielKrook Jeffrey Borek •  IBM representative to the OCI & CNCF, Chair of Docker Governance Advisory Board •  WW Program Director, Open Technologies and Partnerships, Cloud Computing •  @JeffBorek
  • 4. Container technology today enables greater density, faster startup, and easier deployment of applications 4 Containers provide isolation for processes sharing compute, networking, and storage resources on a single host system. They are similar to virtualized machine instances but share the host kernel and avoid hardware emulation. Applications can be packaged with all the additional dependencies that they need, above what is provided by the host. This makes them efficient to run, easy to move from host to host, and enable more granular control of applications. There are costs, however... Diagram source: Exploring Opportunities: Containers and OpenStack
  • 5. Containers are not new. Many innovations from many organizations have brought them where we are today 5 Jails VServer Zones cgroups Namespaces LXC Docker FreeBSD Jails expand on Unix chroot to isolate processes 2000 2001 2004 2006 2008 2008 2013 Linux-VServer ports kernel isolation, but requires recompilation Solaris Zones bring the concept of snapshots Google introduces Process Containers, merged as cgroups Red Hat adds user namespaces, limiting root access in containers IBM creates LXC, providing user tools for cgroups and namespaces Docker provides simple user tools and images. Containers go mainstream
  • 6. Several OpenStack projects leverage containers to gain these benefits 6 A Docker hypervisor driver for Nova Compute to treat containers and images as the same type of resource as virtual machines. Nova A plugin template for orchestrating Docker resources on top of OpenStack resources. Allows access to full Docker API. Heat Containerizes the OpenStack control services themselves as microservices to simplify the operational experience. Kolla Provides an application catalog of containerized applications that can be deployed to an OpenStack cloud. Murano OpenStack is above all an integration engine, bringing various technologies together through common APIs. Therefore, containers have naturally been plugged into several existing projects and will find their way into other areas as well. Provides an API to manage multi- tenant Containers-as-a-Service leveraging Heat, Nova, and Neutron. Magnum
  • 7. The road to a Containers-as-a-Service project in OpenStack •  May 2014: Containers Team Formed –  Standardize the container environment –  Provide consistency when deploying containers in OpenStack –  Remove the risk of betting on a single container strategy •  June 2015: Container Networking Subteam Formed –  Incorporate a consistent networking strategy for containers •  August 2015: OpenStack Silicon Valley –  Event focused on containers in OpenStack •  October 2015: OpenStack Liberty Release –  First production ready release of Magnum 7 2014 2016
  • 8. OpenStack Magnum provides APIs and tenant isolation for container orchestration engines •  Complete management for containers within OpenStack –  Orchestrates the underlying host machines with Heat –  Implements multi-tenancy of separate clusters through Keystone –  Provides multi-host networking with Neutron •  Supports several Container Orchestration Engines (COE) –  Docker Swarm –  Google Kubernetes –  Apache Mesos •  Allows direct access to native container APIs –  Docker CLI clients can access hosts and containers –  The Kubernetes client can also directly manage pods, services, etc. 8
  • 9. Magnum builds on several other mature OpenStack projects 9 Magnum components Diagram source: Exploring Opportunities: Containers and OpenStack
  • 10. Introducing the Linux Foundation Open Container Initiative (OCI) 10 A single, open container specification: •  Not bound to higher level constructs such as a particular client or orchestration stack •  Not tightly associated with any particular commercial vendor or project •  Portable across a wide variety of operating systems, hardware, CPU architectures, public clouds, etc. The OCI is a lightweight, open governance structure for the express purpose of creating open industry standards around container formats and runtime Announced June 22, 2015 opencontainers.org
  • 11. The OCI aims to meld ecosystems towards an open standard 11 •  Users should be able to package their application once and have it work with any container runtime •  The standard should fulfill the requirements of the most rigorous security and production environments •  The standard should be vendor neutral and developed in the open
  • 12. The OCI governs a container specification and an implementation 12 Open Container Format: OCF Docker container runtime implementation: runC (formerly libcontainer) CoreOS runtime implementation: appC (formerly Rocket) github.com/opencontainers Spec and implementation updated in concert Innovation driven into the specOpen Container Initiative ecosystem Community innovation driven into the spec
  • 13. Introducing the Cloud Native Computing Foundation (CNCF) 13 •  Container packaged: In order to improve the overall developer experience, foster code reuse and simplify operations •  Dynamically managed: Actively scheduled and managed by a central orchestrating process to radically improve machine efficiency •  Micro-services oriented: Loosely coupled with dependencies explicitly described through service endpoints for overall agility, maintainability of applications The CNCF plans to create and drive the adoption of a new set of common container technologies, driven and informed by technical merit and end user value, inspired by Internet-scale computing Announced July 21, 2015 cncf.io
  • 14. CNCF: Supporting companies and initial high level architecture 14 Just as the OCI targets container image portability, the CNCF targets cloud application portability…
  • 15. OCI/CNCF standardization and the implementation of Magnum: What Magnum already brings to the table 15 •  Docker Swarm and Kubernetes already manage containers based on runC. •  Docker Swarm will work to align its approach with the interoperability goals of the CNCF as Kubernetes has. Standard container environment •  Users can wait to see the results of the foundations’ work. •  Docker Swarm and Kubernetes are heavily invested in both the OCI and CNCF, and already in use in Magnum. No container strategy lock-in •  Magnum supports COEs, the container strategies themselves. •  Supporting COEs allows for continual sync with the latest standards. Adaptable infrastructure
  • 16. OCI/CNCF standardization and the implementation of Magnum: What Magnum is doing now 16 •  Leveraging Docker’s libnetwork, will provide users with the same experience in and out of OpenStack. •  Container networking strategies continue to evolve, and will be an area of foundation focus going forward. Consistent networking •  The OpenStack Silicon Valley 2015 conference centered on containers, preparing for what the industry has in store. •  Kuryr and other container project design goals will be discussed at sessions at the Summit. Focus on container evolution
  • 17. 17 OCI/CNCF standardization and the implementation of Magnum: What Magnum will need to focus on as standards evolve •  The OCI and CNCF are continuing to finalize the charter and member agreements. •  Being agnostic to container technologies, Magnum can incorporate these decisions with ease. Adapt to foundation standards •  Past experience and expertise allows Magnum to give insight to both foundations from a production level CaaS perspective. Contribute to foundation efforts
  • 18. Summary •  Container technology has evolved over the last 15 years with contributions from many organizations. It will continue to do so through the Open Container Initiative and the Cloud Native Computing Foundation. •  Containerization is used throughout OpenStack, but the end user facing features provided by Magnum’s Containers-as-a-Service will be the most impacted by standards given the exposure of native APIs and Cloud Orchestration Engines. •  The OpenStack Foundation provides governance over Infrastructure-as-a-Service (compute, network, and storage) APIs. The Open Container Initiative and the Cloud Native Computing Foundation will provide governance of container formats and meld orchestration engine technologies. 18 Keep an eye on developments in both of these areas as you formulate your organization's containerization strategy. Please get involved to ensure standards reflect usage scenarios.
  • 19. Online resources and related talks at the Summit 19 Tuesday 4:40 – 5:20 Connecting the Dots with Neutron: Unifying Network Virtualization Between Containers and VMs Mohammad Banikazemi, Phil Estes Wednesday 2:00 – 2:00 Optimizing and Extending Overlay Networking for Containers Mohammad Banikazemi, Ton Ngo, Baohua Yang 4:40 – 5:20 OpenStack Magnum – Containers-as-a-Service Adrian Otto, PTL of the Magnum project Thursday 9:50 – 10:30 Exploring Magnum and Senlin Integration for Autoscaling Containers Hongbin Lu, Ton Ngo, Julio Ruano, Qiming Teng 4:30 – 5:10 Beginners’ Guide to Container Technology and How it Actually Works James Bottomley The OpenStack Magnum wiki bit.ly/mgm-wiki Exploring Opportunities: Containers and OpenStack whitepaper bit.ly/ctrs-os The Docker and Container Ecosystem TheNewStack publication bit.ly/tns-ctrs Open Containers Initiative web site opencontainers.org Cloud Native Computing Foundation web site cncf.io The history of containers Red Hat EL blog post bit.ly/rh-ctrs Moments in container history Pivotal infographic bit.ly/pvt-ctrs