openstack benelux 2015

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Installation, Upgrades and Migrations in the Enterprise

Alessandro Vozza Senior Cloud Architect @bongo [email protected]

September 2015

OPENSTACK BENELUX CONFERENCE 2015

AGENDA

- Some definitions

- Why we are here, and why it matters

- The Installer Wars™ and how to win it

- Taming the Openstack beast

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CLOUDS…no shortage of them in Holland!

http://cloudappreciationsociety.org/


THE LAY OF THE LAND

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upgrade verb |ʌpˈgreɪd| [ with obj. ] raise (something) to a higher standard, in particular improve (equipment or machinery) by adding or replacing components: (as adj.upgraded) : upgraded computers.

update verb |ʌpˈdeɪt| [ with obj. ] make (something) more modern or up to date: security measures are continually updated and improved | (as adj.updated) : an updated list of subscribers.

From 6.4 to 6.5 is an update From 6.5 to 7.0 is an upgrade


WHY IT MATTERS

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“How to Succeed in Your OpenStack Deployment”

20 February 2015, Donna Scott and Arun Chandrasekaran

"Most enterprises find they need more than OpenStack for management and governance, as well as for multicloud management, including bursting across private and public cloud environments. As a result, many organisations implementing OpenStack invest in a Cloud Management Platform that rides on top, and provides an API translation and orchestration layer across private and public clouds."

Make OpenStack manageable for the Enterprise

Manage in parallel with other footprints, migrate workloads

Service Catalog, Chargeback/ Showback, Policy based Controls

Manage tenant level as well as infrastructure (under-cloud)

Auto-Scaling of Infrastructure

http://sharpwriter.deviantart.com/art/Welcome-to-the-Internet-Please-Follow-me-322248378


WHERE IS THE OP LOVE?

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THE INSTALLER WARS

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WHO DIES FIRST IN ANY WAR?


OUR GOAL: A DEPLOYED AND MANAGED CLOUD

• Planning

• What will this OpenStack deployment look like? Topology? Capacity?

• Deployment

• Hardware and service lifecycle management. Policy driven process.

• Infrastructure Operations

• Visualize capacity, metrics & instrumentation

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WHAT IF

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ONE TOOL TO RULE THEM ALL

• Deploying OpenStack to bare metal

• OpenStack community adopted

• Offering platform extensibility

• Providing visual status of core services and cloud infrastructure

• Is cloud operator focused!

• Providing integration via well known APIs

• Naturally resilient and scalable

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ENTER THE CLOUD DIRECTOR


RDO-MANAGER / OSP-DIRECTOR

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RHEL OPENSTACK PLATFORM, TRIED AND TRUE

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TWO CLOUDS, TWICE THE FUN

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FAMILIAR LOOK

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1. One or more Management Nodes are installed in the control rack.


2. Operator logs into Operator Dashboard to configure the infrastructure


3. Management App discovers your infrastructure hardware.

Hardware Discovery


4. Operator defines the OpenStack control services.


5. Operator defines the OpenStack resource nodes.


6. Control service and Resource nodes get provisioned.(Tuskar -> Heat -> Nova -> Ironic -> Hardware)


Logical view of the Management and Production clouds

Deployment & Management App

OpenStack Production Cloud


TRIPLE-O?

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REGAIN CONTROL OF YOUR CLOUD

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ADVANCED FEATURES FOR OPERATORS

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Automatic Evacuation: Compute host node high availability based on Pacemaker Remote

Aggregate logging, performance metrics and availability monitoring dashboards


TO THE INFINITY..

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CLOUDFORMS 3.2

OPENSTACK INFRASTRUCTURE PROVIDER

Designed to run with TripleO-based OpenStack Deployment (RHOSP7) Provides visibility and management capabilities for the under-cloud

FEATURES

Scaling of the over-cloud through CloudForms - Function enabled through both the UI and Automate

Host data collection- Base attributes through OpenStack APIs (Ironic, Heat, Tuskar) - Metrics through OpenStack Ceilometer- OpenStack component views, detailing the status and configuration of installed OpenStack services, through host smart state analysis

Image data collection through the OpenStack Glance API


..AND BEYOND

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CLOUD INSIGHTS

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METRICS - Deployment Role - Compute

CAPACITY -

The big question, what is the capacity of my environment? CONTENTION - Deployment Role - Compute


DIRECTOR EXTENSIBILITY

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Director offers several partner integration points:

Deployment & Service Orchestration (Heat)

Bare metal drivers (Ironic)

Instrumentation Agents (Ceilometer)

Deployment Dashboard (Horizon)

Supporting Components

(Puppet modules, extra config files, post-deploy scripts, etc)


TIPS & TRICKS

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All OpenStack deployments are COMPLEX

All OpenStack deployments are DIFFERENT

Things to consider: - Multiple service endpoints (APIs) - Multiple networks - Different hardware (e.g. Compute, Storage)

- Don’t migrate useless data (tokens)

- Live migration is almost always necessary

https://access.redhat.com/articles/1317223/


MIGRATION WAR STORIES

One large institutional customer from the north

~300 VM’s migrated from Icehouse to Kilo

- DB migration scripts, selective tables

- Preserving floating IP’s, instance UUID, ports, routers..

- Shared Ceph cluster, with root and ephemeral disks on ceph

- Minimal, but still considerable VM and API downtime

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THANK YOU & Q&A

largely based on http://videos.cdn.redhat.com/summit2015/presentations/13790_red-hat-enterprise-linux-openstack-platform-deployment-tool-roadmap.pdf

http://videos.cdn.redhat.com/summit2015/presentations/13790_red-hat-enterprise-linux-openstack-platform-deployment-tool-roadmap.pdf

openstack benelux 2015

Technology