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raise a custom exceptions for LXC.start_ephemeral

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This commit is contained in:
Akshay Karle 2015-11-18 19:04:38 -03:00
parent d6e0be1f4e
commit 42ffa95758
1 changed files with 8 additions and 3 deletions
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11
lib/lxc/start_ephemeral.rb
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@ -1,10 +1,12 @@
module LXC
class ContainerError < StandardError; end
class << self
def start_ephemeral(original_container_name, target_container_name, opts={})
orig = LXC::Container.new(original_container_name)
dest = LXC::Container.new(target_container_name)
raise "#{original_container_name} is not present. Exiting.." unless orig.defined?
raise "#{target_container_name} is already present. Exiting.." if dest.defined?
raise ContainerError.new("#{original_container_name} is not present. Exiting..") unless orig.defined?
raise ContainerError.new("#{target_container_name} is already present. Exiting..") if dest.defined?
dest_path = File.join(LXC.global_config_item('lxc.lxcpath'), target_container_name)
Dir.mkdir(dest_path, 0770)
@ -29,8 +31,11 @@ module LXC
if !dest.wait(:running, 5)
dest.stop
dest.destroy if dest.defined?
raise "The container '#{dest.name}' failed to start."
raise ContainerError.new("The container '#{dest.name}' failed to start.")
end
rescue => e
ContainerError.new("Unexpected error when starting container. The error was: #{e}")
end
private