openstack/devstack
Code Issues Proposed changes

Add options to enable using DHCP agent Metadata-proxy

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Add options to support DHCP agent providing metadata-proxy.
In some cases, users have to disable L3 Agent. But people still
need metadata services.

Change-Id: I4664fc3a4937c3b7b5c27e74f509b683ffbedd09
This commit is contained in:
Tan Lin 2014-10-31 15:44:34 +08:00
parent 5acf159c72
commit 27a196e260
1 changed files with 19 additions and 0 deletions
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19
lib/neutron
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@ -229,6 +229,14 @@ TUNNEL_ENDPOINT_IP=${TUNNEL_ENDPOINT_IP:-$HOST_IP}
# Example: ``OVS_ENABLE_TUNNELING=True`` # Example: ``OVS_ENABLE_TUNNELING=True``
OVS_ENABLE_TUNNELING=${OVS_ENABLE_TUNNELING:-$ENABLE_TENANT_TUNNELS} OVS_ENABLE_TUNNELING=${OVS_ENABLE_TUNNELING:-$ENABLE_TENANT_TUNNELS}
# Use DHCP agent for providing metadata service in the case of
# without L3 agent (No Route Agent), set to True in localrc.
ENABLE_ISOLATED_METADATA=${ENABLE_ISOLATED_METADATA:-False}
# Add a static route as dhcp option, so the request to 169.254.169.254
# will be able to reach through a route(DHCP agent)
# This option require ENABLE_ISOLATED_METADATA = True
ENABLE_METADATA_NETWORK=${ENABLE_METADATA_NETWORK:-False}
# Neutron plugin specific functions # Neutron plugin specific functions
# --------------------------------- # ---------------------------------
@ -687,6 +695,17 @@ function _configure_neutron_dhcp_agent {
iniset $Q_DHCP_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE iniset $Q_DHCP_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE
iniset $Q_DHCP_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND" iniset $Q_DHCP_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
if ! is_service_enabled q-l3; then
if [[ "$ENABLE_ISOLATED_METADATA" = "True" ]]; then
iniset $Q_DHCP_CONF_FILE DEFAULT enable_isolated_metadata $ENABLE_ISOLATED_METADATA
iniset $Q_DHCP_CONF_FILE DEFAULT enable_metadata_network $ENABLE_METADATA_NETWORK
else
if [[ "$ENABLE_METADATA_NETWORK" = "True" ]]; then
die "$LINENO" "Enable isolated metadata is a must for metadata network"
fi
fi
fi
_neutron_setup_interface_driver $Q_DHCP_CONF_FILE _neutron_setup_interface_driver $Q_DHCP_CONF_FILE
neutron_plugin_configure_dhcp_agent neutron_plugin_configure_dhcp_agent