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2018년 3월 정기 세미나 - March 2018 Ops Meetup 후기

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OpenStack March 2018
Ops Meetup
OpenStack Korea Community Study Manager 장태희

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List
• Operations War Stories
• OpenStack Contribution for Non-Developers
• OpenStack Updates
• OpenStack on Containers, C...

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Operations War Stories
• Upgrade hell – Liberty, Icehouse,… but no plan to upgrade
• Documentation woes
• Docs as markdown...

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2018년 3월 정기 세미나 - March 2018 Ops Meetup 후기

  1. 1. OpenStack March 2018 Ops Meetup OpenStack Korea Community Study Manager 장태희
  2. 2. List • Operations War Stories • OpenStack Contribution for Non-Developers • OpenStack Updates • OpenStack on Containers, Containers on OpenStack • Neutron pain points
  3. 3. Operations War Stories • Upgrade hell – Liberty, Icehouse,… but no plan to upgrade • Documentation woes • Docs as markdown in git vs “easier” wiki pages • Storage Issues • performance issue when user use IO/IOPS a lot. • How many Hypervisor/VM you are running on 1 region? • Migration Issues • kvm64 support? Yes!
  4. 4. OpenStack Contribution for Non-Dev • Documentation • Spec Reviews • Translations • File Bugs • Code Reviews
  5. 5. ●OpenStack OpsGuide Wiki ○https://wiki.openstack.org/wiki/OpsGuide ●Project Installation and Configuration Guides ○Usually found in each projects repo under doc/source/ ○https://github.com/openstack/cinder/tree/master/doc/source/configuration ○http://www.sphinx-doc.org/en/master/rest.html Writing Documentation
  6. 6. API Reference REST API documentation Admin Guide OpenStack administration guide CLI Reference Description of command line tools Configuration Guide Reference for configuration options Contributor Guide Useful information on how to contribute Install Information on project installation Reference Project reference material such as class documentation User Guide End user content Writing Documentation
  7. 7. ●Need git client installed ○Linux - [apt|yum] install git ○Mac - brew install git ○Windows - https://git-scm.com/downloads ●Need git review installed ○sudo pip install git-review ●Clone git repo locally ○git clone https://github.com/openstack/cinder (or GUI equivalent) ●Edit files with a text editor ○Bonus points for building docs locally - tox -e docs ○Add changed files and commit: ■git add . ■git commit ■git review Working with Git Source
  8. 8. OpenStack Updates • PTG Summary • User Committee Updates • Foundation Updates • Kata Containers • Self-healing SIG
  9. 9. Focus Areas OpenStack infrast ructure cloud software CI/CD infrastructure Edge infrastructure Container infrastructure
  10. 10. Kata Containers The security of VMs with the speed of containers コンテナの速度による仮想マシンのセキュリティ
  11. 11. Shared kernel. Security via cgroups
  12. 12. Kata Containers
  13. 13. OpenStack on Containers • Deployment Tools • Kolla-Ansible, openstack-helm, Your own tool • Don't Do Things with Containerized OpenStack • See no real benefit in containerized OS deployment • What process (projects) are containerized? • cinder-volume with ceph rbd driver • Simplified upgrades / rollbacks
  14. 14. Containers on OpenStack • deploying your containers on OpenStack • k8s • Magnum is most used • Pain points for using containers when you deploy and operate containers • Magnum in Mitaka broke when CoreOS version was changed - because of Heat templates maybe? • Containers in VMs on openstack is inefficient compared to containers on bare metal server • VM -> bare metal container networking • Bloomberg is going to use Calico (https://www.projectcalico.org) specifically for VM <-> containers-in-k8s
  15. 15. Neutron pain points • Is there any good document to understand and catch-up current Neutron well? • Official Docs?: https://docs.openstack.org/neutron/latest/ • APi reference team makes api-ref newer https://developer.openstack.org/api-ref/network/v2/ • I'd like to use my home router as a dhcp. • OpenStack security groups are not rich enough to model all policy enforcement goals for traffic.

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