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Make network creation thread-safe, closes #104

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This commit is contained in:
Brian Pitts 2014-01-17 18:16:18 -06:00
parent 46306503f4
commit 1aabe66b23
1 changed files with 40 additions and 32 deletions
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72
lib/vagrant-libvirt/action/create_networks.rb
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@ -2,6 +2,7 @@ require 'log4r'
require 'vagrant/util/network_ip'
require 'vagrant/util/scoped_hash_override'
require 'ipaddr'
require 'thread'
module VagrantPlugins
module ProviderLibvirt
@ -13,6 +14,8 @@ module VagrantPlugins
include VagrantPlugins::ProviderLibvirt::Util::ErbTemplate
include VagrantPlugins::ProviderLibvirt::Util::LibvirtUtil
@@lock = Mutex.new
def initialize(app, env)
mess = 'vagrant_libvirt::action::create_networks'
@logger = Log4r::Logger.new(mess)
@ -74,44 +77,49 @@ module VagrantPlugins
networks.push(options)
end
# Iterate over networks If some network is not
# available, create it if possible. Otherwise raise an error.
networks.each do |options|
@logger.debug "Searching for network with options #{options}"
# only one vm at a time should try to set up networks
# otherwise they'll have inconsitent views of current state
# and conduct redundant operations that cause errors
@@lock.synchronize do
# Iterate over networks If some network is not
# available, create it if possible. Otherwise raise an error.
networks.each do |options|
@logger.debug "Searching for network with options #{options}"
# should fix other methods so this doesn't have to be instance var
@options = options
# should fix other methods so this doesn't have to be instance var
@options = options
# Get a list of all (active and inactive) libvirt networks. This
# list is used throughout this class and should be easier to
# process than libvirt API calls.
@available_networks = libvirt_networks(env[:libvirt_compute].client)
# Get a list of all (active and inactive) libvirt networks. This
# list is used throughout this class and should be easier to
# process than libvirt API calls.
@available_networks = libvirt_networks(env[:libvirt_compute].client)
# Prepare a hash describing network for this specific interface.
@interface_network = {
name: nil,
ip_address: nil,
netmask: @options[:netmask],
network_address: nil,
bridge_name: nil,
created: false,
active: false,
autostart: false,
libvirt_network: nil,
}
# Prepare a hash describing network for this specific interface.
@interface_network = {
name: nil,
ip_address: nil,
netmask: @options[:netmask],
network_address: nil,
bridge_name: nil,
created: false,
active: false,
autostart: false,
libvirt_network: nil,
}
if @options[:ip]
handle_ip_option(env)
# in vagrant 1.2.3 and later it is not possible to take this branch
# because cannot have name without ip
# https://github.com/mitchellh/vagrant/commit/cf2f6da4dbcb4f57c9cdb3b94dcd0bba62c5f5fd
elsif @options[:network_name]
handle_network_name_option
end
if @options[:ip]
handle_ip_option(env)
# in vagrant 1.2.3 and later it is not possible to take this branch
# because cannot have name without ip
# https://github.com/mitchellh/vagrant/commit/cf2f6da4dbcb4f57c9cdb3b94dcd0bba62c5f5fd
elsif @options[:network_name]
handle_network_name_option
end
autostart_network if !@interface_network[:autostart]
activate_network if !@interface_network[:active]
autostart_network if !@interface_network[:autostart]
activate_network if !@interface_network[:active]
end
end
@app.call(env)
end