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Fix LXD not handling nic removal from openvswitch bridges #3097

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merged 6 commits into from
Mar 25, 2019
+24 −2
Merged

Fix LXD not handling nic removal from openvswitch bridges #3097

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d844c79
#3058: Add function to delete nics from switches
dann1 Mar 19, 2019
c4c97b2
#3058: Patch stop action
dann1 Mar 19, 2019
8abe2b0
#3058: Patch nic detach
dann1 Mar 19, 2019
78477c2
#3058: Patch reboot action
dann1 Mar 19, 2019
dab395c
#3058 del_bridge_port returns only boolean
dann1 Mar 22, 2019
85a4969
Update container.rb
Mar 25, 2019
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23 changes: 22 additions & 1 deletion src/vmm_mad/remotes/lib/lxd/container.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,11 @@ def start(options = {})

def stop(options = { :timeout => 120 })
change_state(__method__, options)

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This should be called through the pre/post/clean scripts. This code should be moved to the owsirch network drivers

# Remove nic from ovs-switch if needed
@one.get_nics.each do |nic|
del_bridge_port(nic) # network driver matching implemented here
end
end

def restart(options = {})
Expand Down Expand Up @@ -213,7 +218,8 @@ def detach_nic(mac)
device.include?('eth') && config['hwaddr'] == mac
end

update
# Removes nic from ovs-switch if needed
update if del_bridge_port(@one.get_nic_by_mac(mac))
end

#---------------------------------------------------------------------------
Expand Down Expand Up @@ -384,6 +390,21 @@ def vnc(signal)

private

# Deletes the switch port. Unlike libvirt, LXD doesn't handle this.
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def del_bridge_port(nic)
return true unless /ovswitch/ =~ nic['VN_MAD']

cmd = 'sudo ovs-vsctl --if-exists del-port '\
"#{nic['BRIDGE']} #{nic['TARGET']}"

rc, _o, e = Command.execute(cmd, false)

return true if rc.zero?

OpenNebula.log_error "#{__method__}: #{e}"
false
end

# Waits or no for response depending on wait value
def wait?(response, wait, timeout)
@client.wait(response, timeout) unless wait == false
Expand Down
3 changes: 2 additions & 1 deletion src/vmm_mad/remotes/lxd/reboot
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Expand Up @@ -23,12 +23,13 @@ require 'container'
require_relative '../../scripts_common'

# ------------------------------------------------------------------------------
# Action Arguments, STDIN includes XML description of the OpenNebula VM
# Action Arguments, STDIN doesn't include XML description of the OpenNebula VM
# ------------------------------------------------------------------------------
vm_name = ARGV[0]

client = LXDClient.new
container = Container.get(vm_name, nil, client)
container = Container.get(vm_name, container.config['user.xml'], client)

# ------------------------------------------------------------------------------
# Stop the container, start it
Expand Down