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[dsa-puppet.git] / 3rdparty / modules / neutron / manifests / agents / dhcp.pp

diff --git a/3rdparty/modules/neutron/manifests/agents/dhcp.pp b/3rdparty/modules/neutron/manifests/agents/dhcp.pp
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+++ b/3rdparty/modules/neutron/manifests/agents/dhcp.pp
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+# == Class: neutron::agents::dhcp
+#
+# Setups Neutron DHCP agent.
+#
+# === Parameters
+#
+# [*package_ensure*]
+#   (optional) Ensure state for package. Defaults to 'present'.
+#
+# [*enabled*]
+#   (optional) Enable state for service. Defaults to 'true'.
+#
+# [*manage_service*]
+#   (optional) Whether to start/stop the service
+#   Defaults to true
+#
+# [*debug*]
+#   (optional) Show debugging output in log. Defaults to false.
+#
+# [*state_path*]
+#   (optional) Where to store dnsmasq state files. This directory must be
+#   writable by the user executing the agent. Defaults to '/var/lib/neutron'.
+#
+# [*resync_interval*]
+#   (optional) The DHCP agent will resync its state with Neutron to recover
+#   from any transient notification or rpc errors. The interval is number of
+#   seconds between attempts. Defaults to 30.
+#
+# [*interface_driver*]
+#   (optional) Defaults to 'neutron.agent.linux.interface.OVSInterfaceDriver'.
+#
+# [*dhcp_driver*]
+#   (optional) Defaults to 'neutron.agent.linux.dhcp.Dnsmasq'.
+#
+# [*root_helper*]
+#   (optional) Defaults to 'sudo neutron-rootwrap /etc/neutron/rootwrap.conf'.
+#   Addresses bug: https://bugs.launchpad.net/neutron/+bug/1182616
+#   Note: This can safely be removed once the module only targets the Havana release.
+#
+# [*use_namespaces*]
+#   (optional) Allow overlapping IP (Must have kernel build with
+#   CONFIG_NET_NS=y and iproute2 package that supports namespaces).
+#   Defaults to true.
+#
+# [*dnsmasq_config_file*]
+#   (optional) Override the default dnsmasq settings with this file.
+#   Defaults to undef
+#
+# [*dhcp_delete_namespaces*]
+#   (optional) Delete namespace after removing a dhcp server
+#   Defaults to false.
+#
+# [*enable_isolated_metadata*]
+#   (optional) enable metadata support on isolated networks.
+#   Defaults to false.
+#
+# [*enable_metadata_network*]
+#   (optional) Allows for serving metadata requests coming from a dedicated metadata
+#   access network whose cidr is 169.254.169.254/16 (or larger prefix), and is
+#   connected to a Neutron router from which the VMs send metadata request.
+#   This option requires enable_isolated_metadata = True
+#   Defaults to false.
+#
+class neutron::agents::dhcp (
+  $package_ensure         = present,
+  $enabled                = true,
+  $manage_service         = true,
+  $debug                  = false,
+  $state_path             = '/var/lib/neutron',
+  $resync_interval        = 30,
+  $interface_driver       = 'neutron.agent.linux.interface.OVSInterfaceDriver',
+  $dhcp_driver            = 'neutron.agent.linux.dhcp.Dnsmasq',
+  $root_helper            = 'sudo neutron-rootwrap /etc/neutron/rootwrap.conf',
+  $use_namespaces         = true,
+  $dnsmasq_config_file    = undef,
+  $dhcp_delete_namespaces = false,
+  $enable_isolated_metadata = false,
+  $enable_metadata_network  = false
+) {
+
+  include neutron::params
+
+  Neutron_config<||>            ~> Service['neutron-dhcp-service']
+  Neutron_dhcp_agent_config<||> ~> Service['neutron-dhcp-service']
+
+  case $dhcp_driver {
+    /\.Dnsmasq/: {
+      Package[$::neutron::params::dnsmasq_packages] -> Package<| title == 'neutron-dhcp-agent' |>
+      ensure_packages($::neutron::params::dnsmasq_packages)
+    }
+    /^midonet.*/: {
+      ensure_packages($::neutron::params::midonet_server_package)
+    }
+    default: {
+      fail("Unsupported dhcp_driver ${dhcp_driver}")
+    }
+  }
+
+  if (! $enable_isolated_metadata) and $enable_metadata_network {
+    fail('enable_metadata_network to true requires enable_isolated_metadata also enabled.')
+  } else {
+    neutron_dhcp_agent_config {
+      'DEFAULT/enable_isolated_metadata': value => $enable_isolated_metadata;
+      'DEFAULT/enable_metadata_network':  value => $enable_metadata_network;
+    }
+  }
+
+  # The DHCP agent loads both neutron.ini and its own file.
+  # This only lists config specific to the agent.  neutron.ini supplies
+  # the rest.
+  neutron_dhcp_agent_config {
+    'DEFAULT/debug':                  value => $debug;
+    'DEFAULT/state_path':             value => $state_path;
+    'DEFAULT/resync_interval':        value => $resync_interval;
+    'DEFAULT/interface_driver':       value => $interface_driver;
+    'DEFAULT/dhcp_driver':            value => $dhcp_driver;
+    'DEFAULT/use_namespaces':         value => $use_namespaces;
+    'DEFAULT/root_helper':            value => $root_helper;
+    'DEFAULT/dhcp_delete_namespaces': value => $dhcp_delete_namespaces;
+  }
+
+  if $dnsmasq_config_file {
+    neutron_dhcp_agent_config {
+      'DEFAULT/dnsmasq_config_file':           value => $dnsmasq_config_file;
+    }
+  } else {
+    neutron_dhcp_agent_config {
+      'DEFAULT/dnsmasq_config_file':           ensure => absent;
+    }
+  }
+
+  if $::neutron::params::dhcp_agent_package {
+    Package['neutron']            -> Package['neutron-dhcp-agent']
+    Package['neutron-dhcp-agent'] -> Neutron_config<||>
+    Package['neutron-dhcp-agent'] -> Neutron_dhcp_agent_config<||>
+    package { 'neutron-dhcp-agent':
+      ensure  => $package_ensure,
+      name    => $::neutron::params::dhcp_agent_package,
+    }
+  } else {
+    # Some platforms (RedHat) do not provide a neutron DHCP agent package.
+    # The neutron DHCP agent config file is provided by the neutron package.
+    Package['neutron'] -> Neutron_dhcp_agent_config<||>
+  }
+
+  if $manage_service {
+    if $enabled {
+      $service_ensure = 'running'
+    } else {
+      $service_ensure = 'stopped'
+    }
+  }
+
+  service { 'neutron-dhcp-service':
+    ensure  => $service_ensure,
+    name    => $::neutron::params::dhcp_agent_service,
+    enable  => $enabled,
+    require => Class['neutron'],
+  }
+}