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I'm trying to setup openstack with vagrant inside a virtualbox guest, by following the juju instructions in the ubuntu cloud infrastructure wiki page and this askubuntu page.

My github project is here.

My provision scripts run without error [see edit], but eventually the guest grinds to a halt because a large number of lxc containers are created and memory is exhausted.

On the ubuntu wiki page, there are some instructions for reducing the number of lxc containers by deploying some services together:

jitsu deploy-to [machine # of keystone] glance
jitsu deploy-to [machine # of mysql] rabbitmq-server
jitsu deploy-to [machine # of keystone] openstack-dashboard

However, there are still quite a few lxc containers.

Question 1: Will deploying to fewer containers require significantly less memory?

Question 2: Is it possible to host all openstack services in a single lxc container?

Question 3: What is the minimum memory I need to deploy openstack? I'm only looking to create a demo environment for openstack so usage will be very low.

Question 4: Is there a different way that I can reduce the guest memory requirements?


EDIT:

juju status reports the following errors for nova-compute and nova-volume:

  nova-compute:
    charm: cs:precise/nova-compute-18
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      cloud-compute:
      - nova-cloud-controller
      compute-peer:
      - nova-compute
      image-service:
      - glance
      shared-db:
      - mysql
    units:
      nova-compute/0:
        agent-state: error
        agent-state-info: 'hook failed: "install"'
        agent-version: 1.16.5.1
        machine: "6"
        public-address: 10.0.3.24
  nova-volume:
    charm: cs:precise/nova-volume-6
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      nova-volume-service:
      - nova-cloud-controller
      shared-db:
      - mysql
    units:
      nova-volume/0:
        agent-state: error
        agent-state-info: 'hook failed: "install"'
        agent-version: 1.16.5.1
        machine: "5"
        public-address: 10.0.3.240
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1 Answer 1

You don't need to use jitsu to deploy to specific machines.

juju help deploy

shows how to use the --to placement directive

Now to try to answer your other questions:

Question 1: Will deploying to fewer containers require significantly less memory?

Yes.

Question 2: Is it possible to host all openstack services in a single lxc container?

No I don't think so. The compute units I believe don't like being inside LXC themselves.

Also I think that the storage components don't like being in LXC containers either as they need access to the block device.

Question 3: What is the minimum memory I need to deploy openstack? I'm only looking to create a demo environment for openstack so usage will be very low.

Not sure.

Question 4: Is there a different way that I can reduce the guest memory requirements?

No, I think this is the best way.

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