[rhos-list] issue with metadata server

Randy Krenz randy.krenz at overturenetworks.com
Thu Aug 29 17:57:49 UTC 2013


I'm experiencing an issue with the quantum metadata server.  I seem to be having the same issue on either the RDO or Redhat-supported versions of OpenStack.  I'm trying to provide the metadata service on an isolated virtual network via the DHCP namespace.  As such, I have set "enable_isolated_metadata = True" in dhcp_agent.ini.  When I start a virtual machine on this network, the virtual machine fails to reach the metadata service.  If I login to the virtual machine, I see that the DHCP server has added a route which says the DHCP server IP address is the route to 169.254.169.254, as expected.  I also see that the quantum-metadata-agent is running on the bare-metal Linux and is responding to curl requests on port 8775.  What I don't see is quantum-ns-metadata-proxy running, which I thought was supposed to be spawned with the DHCP server.  Probably some kind of configuration error but just can't put my finger on it.  Don't see any obvious issues in /var/log/quantum.  Any help appreciated.
Randy

Here is my dhcp_agent.ini:

[DEFAULT]
# Show more verbose log output (sets INFO log level output).
# verbose = True

# Show debugging output in log (sets DEBUG log level output).
# debug = False
debug = False

# Where to store dnsmasq state files.  This directory must be writable by the
# user executing the agent. The value below is compatible with a default
# devstack installation.
# state_path = /var/lib/quantum
state_path = /var/lib/quantum

# The DHCP agent will resync its state with Quantum to recover from any
# transient notification or rpc errors. The interval is number of
# seconds between attempts.
# resync_interval = 5
resync_interval = 30

# The DHCP agent requires that an interface driver be set.  Choose the
# one that best matches you plugin. There is no default.
# interface_driver =
#
# OVS
# interface_driver = quantum.agent.linux.interface.OVSInterfaceDriver
interface_driver = quantum.agent.linux.interface.OVSInterfaceDriver
# LinuxBridge
# interface_driver = quantum.agent.linux.interface.BridgeInterfaceDriver
# Ryu
# interface_driver = quantum.agent.linux.interface.RyuInterfaceDriver

# The agent can use other DHCP drivers.  Dnsmasq is the simplest and requires
# no additional setup of the DHCP server.
# dhcp_driver = quantum.agent.linux.dhcp.Dnsmasq
dhcp_driver = quantum.agent.linux.dhcp.Dnsmasq
use_namespaces = False
enable_isolated_metadata = True


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