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From "Wei Zhou" <w.z...@leaseweb.com>
Subject Review Request 13992: (CLOUDSTACK-4405) additional patch for bridge name and firewall rules issues after KVM upgrade to 4.2
Date Thu, 05 Sep 2013 12:32:13 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/13992/
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Review request for cloudstack and edison su.


Bugs: CLOUDSTACK-4405


Repository: cloudstack-git


Description
-------

There still exist two issues after Edison's commits.
(1) Migration from new hosts to old hosts failed.
The bridge name on old host is set to cloudVirBr* if network.bridge.name.schema is set to
3.0 in /etc/cloudstack/agent/agent.properties, but the actual bridge name is breth*-* after
running cloudstack-agent-upgrade.

(2) all ports of vms (Basic zone, or Advanced zone with security groups) on old hosts are
open, because the iptables rules are binding to device (bridge) name which is changed by cloudstack-agent-upgrade.


Diffs
-----

  agent/bindir/cloudstack-agent-upgrade.in 4972d39 
  plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java e3779a7

  scripts/vm/network/security_group.py 0ac8b74 

Diff: https://reviews.apache.org/r/13992/diff/


Testing
-------

tested ok on my environment.

After this, the KVM upgrade steps :
a. Install 4.2 cloudstack agent on each kvm host 
b. Run "cloudstack-agent-upgrade". This script will upgrade all the existing bridge name to
new bridge name, and update related firewall rules.
       c. install a libvirt hook:
            c1. mkdir /etc/libvirt/hooks
            c2. cp /usr/share/cloudstack-agent/lib/libvirtqemuhook /etc/libvirt/hooks/qemu
            c3. chmod +x /etc/libvirt/hooks/qemu
            c4. service libvirtd restart
            c5. service cloudstack-agent restart


Thanks,

Wei Zhou


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