Class: Puppet::Provider::Neutron

Inherits:
Puppet::Provider
  • Object
show all
Defined in:
lib/puppet/provider/neutron.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.auth_endpoint ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 59

def self.auth_endpoint
  @auth_endpoint ||= get_auth_endpoint
end

.auth_neutron(*args) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 79

def self.auth_neutron(*args)
  q = neutron_credentials
  authenv = {
    :OS_AUTH_URL    => self.auth_endpoint,
    :OS_USERNAME    => q['admin_user'],
    :OS_TENANT_NAME => q['admin_tenant_name'],
    :OS_PASSWORD    => q['admin_password']
  }
  if q.key?('nova_region_name')
    authenv[:OS_REGION_NAME] = q['nova_region_name']
  end
  rv = nil
  timeout = 10
  end_time = Time.now.to_i + timeout
  loop do
    begin
      withenv authenv do
        rv = neutron(args)
      end
      break
    rescue Puppet::ExecutionFailure => e
      if ! e.message =~ /(\(HTTP\s+400\))|
            (400-\{\'message\'\:\s+\'\'\})|
            (\[Errno 111\]\s+Connection\s+refused)|
            (503\s+Service\s+Unavailable)|
            (504\s+Gateway\s+Time-out)|
            (\:\s+Maximum\s+attempts\s+reached)|
            (Unauthorized\:\s+bad\s+credentials)|
            (Max\s+retries\s+exceeded)/
        raise(e)
      end
      current_time = Time.now.to_i
      if current_time > end_time
        break
      else
        wait = end_time - current_time
        Puppet::debug("Non-fatal error: \"#{e.message}\"")
        notice("Neutron API not avalaible. Wait up to #{wait} sec.")
      end
      sleep(2)
      # Note(xarses): Don't remove, we know that there is one of the
      # Recoverable erros above, So we will retry a few more times
    end
  end
  return rv
end

.conf_filename ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 6

def self.conf_filename
  '/etc/neutron/neutron.conf'
end

.get_auth_endpoint ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 63

def self.get_auth_endpoint
  q = neutron_credentials
  if q['auth_uri'].nil?
    return "#{q['auth_protocol']}://#{q['auth_host']}:#{q['auth_port']}/v2.0/"
  else
    return "#{q['auth_uri']}".strip
  end
end

.get_neutron_credentials ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 28

def self.get_neutron_credentials
  auth_keys = ['admin_tenant_name', 'admin_user', 'admin_password']
  deprecated_auth_url = ['auth_host', 'auth_port', 'auth_protocol']
  conf = neutron_conf
  if conf and conf['keystone_authtoken'] and
      auth_keys.all?{|k| !conf['keystone_authtoken'][k].nil?} and
      ( deprecated_auth_url.all?{|k| !conf['keystone_authtoken'][k].nil?} or
      !conf['keystone_authtoken']['auth_uri'].nil? )
    creds = Hash[ auth_keys.map \
                 { |k| [k, conf['keystone_authtoken'][k].strip] } ]
    if !conf['keystone_authtoken']['auth_uri'].nil?
      creds['auth_uri'] = conf['keystone_authtoken']['auth_uri']
    else
      q = conf['keystone_authtoken']
      creds['auth_uri'] = "#{q['auth_protocol']}://#{q['auth_host']}:#{q['auth_port']}/v2.0/"
    end
    if conf['DEFAULT'] and !conf['DEFAULT']['nova_region_name'].nil?
      creds['nova_region_name'] = conf['DEFAULT']['nova_region_name']
    end
    return creds
  else
    raise(Puppet::Error, "File: #{conf_filename} does not contain all \
required sections.  Neutron types will not work if neutron is not \
correctly configured.")
  end
end

.get_neutron_resource_attrs(type, id) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 149

def self.get_neutron_resource_attrs(type, id)
  attrs = {}
  net = auth_neutron("#{type}-show", '--format=shell', id)
  if net.nil?
    raise(Puppet::ExecutionFailure, "Can't retrieve #{type}-show because Neutron or Keystone API is not avalaible.")
  end

  last_key = nil
  (net.split("\n") || []).compact.collect do |line|
    if line.include? '='
      k, v = line.split('=', 2)
      attrs[k] = v.gsub(/\A"|"\Z/, '')
      last_key = k
    else
      # Handle the case of a list of values
      v = line.gsub(/\A"|"\Z/, '')
      attrs[last_key] = [attrs[last_key], v].flatten
    end
  end
  return attrs
end

.get_tenant_id(catalog, name) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 196

def self.get_tenant_id(catalog, name)
  instance_type = 'keystone_tenant'
  instance = catalog.resource("#{instance_type.capitalize!}[#{name}]")
  if ! instance
    instance = Puppet::Type.type(instance_type).instances.find do |i|
      i.provider.name == name
    end
  end
  if instance
    return instance.provider.id
  else
    fail("Unable to find #{instance_type} for name #{name}")
  end
end

.list_neutron_resources(type) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 135

def self.list_neutron_resources(type)
  ids = []
  list = auth_neutron("#{type}-list", '--format=csv',
                      '--column=id', '--quote=none')
  if list.nil?
    raise(Puppet::ExecutionFailure, "Can't retrieve #{type}-list because Neutron or Keystone API is not avalaible.")
  end

  (list.split("\n")[1..-1] || []).compact.collect do |line|
    ids << line.strip
  end
  return ids
end

.list_router_ports(router_name_or_id) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 171

def self.list_router_ports(router_name_or_id)
  results = []
  cmd_output = auth_neutron("router-port-list",
                            '--format=csv',
                            router_name_or_id)
  if ! cmd_output
    return results
  end

  headers = nil
  CSV.parse(cmd_output) do |row|
    if headers == nil
      headers = row
    else
      result = Hash[*headers.zip(row).flatten]
      match_data = /.*"subnet_id": "(.*)", .*/.match(result['fixed_ips'])
      if match_data
        result['subnet_id'] = match_data[1]
      end
      results << result
    end
  end
  return results
end

.neutron_conf ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 72

def self.neutron_conf
  return @neutron_conf if @neutron_conf
  @neutron_conf = Puppet::Util::IniConfig::File.new
  @neutron_conf.read(conf_filename)
  @neutron_conf
end

.neutron_credentials ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 24

def self.neutron_credentials
  @neutron_credentials ||= get_neutron_credentials
end

.parse_creation_output(data) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 211

def self.parse_creation_output(data)
  hash = {}
  data.split("\n").compact.each do |line|
    if line.include? '='
      hash[line.split('=').first] = line.split('=', 2)[1].gsub(/\A"|"\Z/, '')
    end
  end
  hash
end

.reset ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 130

def self.reset
  @neutron_conf        = nil
  @neutron_credentials = nil
end

.withenv(hash, &block) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 10

def self.withenv(hash, &block)
  saved = ENV.to_hash
  hash.each do |name, val|
    ENV[name.to_s] = val
  end

  yield
ensure
  ENV.clear
  saved.each do |name, val|
    ENV[name] = val
  end
end

Instance Method Details

#auth_neutron(*args) ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 126

def auth_neutron(*args)
  self.class.auth_neutron(args)
end

#neutron_credentials ⇒ Object 



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# File 'lib/puppet/provider/neutron.rb', line 55

def neutron_credentials
  self.class.neutron_credentials
end