[RFE] Setup multinode job

[Vasyl Saienko]

It would be good to have a multinode job to test multiple n-cpu (which was merged in Newton) and multiple conductors scenarios. Also having multinode job is a good background to setup grenade multinode job to test rolling upgrades in future.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/368644
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=485259c808896c6a068f8e48168acdf8af4b9c22
Submitter: Jenkins
Branch: master

commit 485259c808896c6a068f8e48168acdf8af4b9c22
Author: Vasyl Saienko <email address hidden>
Date: Mon Sep 12 11:08:24 2016 +0300

    Update devstack provision net config for multihost

    This patch update devstack: configure_provision_network() function to work
    with multinode case:

     * Ignore creating a new provision_network on subnode, just get an uuid for
       existed provision network.
     * Update IRONIC_PROVISION_ALLOCATION_POOL default value to left first 10 IPs
       for internal usage, exclude them from Neutron.
     * Add IRONIC_PROVISION_SUBNET_SUBNODE_IP variable, by default is 10.0.5.2.
       The IP address from provisioning network that is assigned to subnode.

    Related-Bug: #1622653

    Change-Id: I6c3ed6901ce5c5c94b6ad63a01d2875979a38ad5

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/368645
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=2cf50d4d1deb331bc07d6890e114d6314d117940
Submitter: Jenkins
Branch: master

commit 2cf50d4d1deb331bc07d6890e114d6314d117940
Author: Vasyl Saienko <email address hidden>
Date: Mon Sep 12 11:16:12 2016 +0300

    Update ironic node names for multinode case

    Ironic node name is unique. This patch updates _ironic_bm_names()
    function to generate uniq name for primary and subnodes.
    On primary node node name is node-{id}.
    On subnode node name is subnode-{id}. Where {id} is the node
    number from 0 to $IRONIC_VM_COUNT

    Related-Bug: #1622653
    Change-Id: I7898426982b9fd89ac654a32e5d0b46d2a83dfcb

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/368646
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=4cb95b7dc0724976b6bbbb18570127a91351e1a5
Submitter: Jenkins
Branch: master

commit 4cb95b7dc0724976b6bbbb18570127a91351e1a5
Author: Vasyl Saienko <email address hidden>
Date: Mon Sep 12 11:22:50 2016 +0300

    Skip some steps for multinode case

    This patch skip the following steps from executing on subnode:
      * Upload baremetal image
      * Create baremetal flavor

    Related-Bug: #1622653
    Change-Id: Iae2024922fe5e5ba014264c867b897e2b044b992

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/368647
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=5e50f3ad78a33e3019a7361286d4fffeb560d037
Submitter: Jenkins
Branch: master

commit 5e50f3ad78a33e3019a7361286d4fffeb560d037
Author: Vasyl Saienko <email address hidden>
Date: Mon Sep 12 11:26:50 2016 +0300

    Add devstack setup_vxlan_network()

    This patch adds devstack: setup_vxlan_network() function.
    With multinode topology br_ironic_vxlan dridge is created by devstack-gate
    that provides VXLAN connectivity between VMs on primary and subnode.

    Related-Bug: #1622653
    Change-Id: I7461a8eaab138ea6ec1deb276cab00d20ce3c9f0

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/368648
Committed: https://git.openstack.org/cgit/openstack/ironic/commit/?id=1aaf219162929d4ed0131b258eeec2c9c33c24cf
Submitter: Jenkins
Branch: master

commit 1aaf219162929d4ed0131b258eeec2c9c33c24cf
Author: Vasyl Saienko <email address hidden>
Date: Mon Sep 12 11:36:17 2016 +0300

    Update iptables rules and services IPs for multinode

    Update IRONIC_TFTPSERVER_IP and IRONIC_HTTP_SERVER IPs to IP address
    from provisioning network. Update firewall rules to accept connections
    on those IPs. Configure missing glance_host and glance_port options.

    Depends-On: I0812e16583dfd678c8f349724a159b412f4efb55

    Related-Bug: #1622653
    Change-Id: Ia08a8601494d82fdd82d568c154bbef89c3a7f40