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Re: cloud-init on SL6 unable to access metadata server

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On 2013-06-03 10:28 AM, George Mihaiescu wrote:

Try manually removing the route to 169.254.0.0 from inside the instance: route del -net 169.254.0.0/16 dev eth0

And then test again with "curl -m 10 -s http://169.254.169.254/latest/meta-data/public-keys/0/openssh-key";
curl could not connect to host. Interestingly, I can ping to 169.254.169.254 (from within the instance)... 


-----Original Message-----
From: Openstack [mailto:openstack-bounces+george.mihaiescu=q9.com@xxxxxxxxxxxxxxxxxxx] On Behalf Of Justin Chiu
Sent: Monday, June 03, 2013 1:12 PM
To: openstack@xxxxxxxxxxxxxxxxxxx
Subject: [Openstack] cloud-init on SL6 unable to access metadata server

Hi all,

I am having some issues with cloud-init being unable to contact the
metadata server. cloud-init built into a base Scientific Linux 6.4 image
with Oz. Any ideas on what might be the cause?

Starting cloud-init: ci-info: lo    : 1 127.0.0.1 255.0.0.0       .

ci-info: eth0  : 1 10.0.100.3      255.255.255.0   fa:16:3e:00:55:b3

ci-info: route-0: 10.0.100.0      0.0.0.0         255.255.255.0 eth0   U

ci-info: route-1: 169.254.0.0     0.0.0.0         255.255.0.0 eth0   U

ci-info: route-2: 0.0.0.0         10.0.100.1      0.0.0.0 eth0   UG

cloud-init start running: Fri, 31 May 2013 21:33:13 +0000. up 16.56 seconds
DataSourceEc2.py[WARNING]:
'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed
[50/120s]: url error [timed out]
...
DataSourceEc2.py[WARNING]:
'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed
[119/120s]: url error [timed out]
DataSourceEc2.py[CRITICAL]: giving up on md after 120 seconds

  From within the VM, I can ping 169.254.169.254 but curl
http://169.254.169.254 produces no output.

cloud-init starts up successfully from Ubuntu Cloud images, gets
metadata OK. curl http://169.254.169.254 produces the correct output
(metadata/ 2009.../ etc...)

iptables -L -n -t nat output of the controller+compute node:
Chain nova-network-PREROUTING (1 references)
target     prot opt source               destination
DNAT       tcp  --  0.0.0.0/0            169.254.169.254     tcp dpt:80
to:a.b.c.8:8775

Openstack specs: Folsom 2012.2.4-1 release from EPEL 6, installed on two
SL6.4 base installs. One cloud controller+compute node and the other
purely compute node. FlatDHCP, eth0 public, eth1 flat (both eth1 of each
node are connected via a switch, independent from eth0).

nova.conf on controller+compute node (IP a.b.c.8 and hostname t1-pps05):

[DEFAULT]
logdir = /var/log/nova
state_path = /var/lib/nova
lock_path = /var/lib/nova/tmp
volumes_dir = /etc/nova/volumes
dhcpbridge = /usr/bin/nova-dhcpbridge
dhcpbridge_flagfile = /etc/nova/nova.conf
force_dhcp_release = True
injected_network_template = /usr/share/nova/interfaces.template
libvirt_nonblocking = True
libvirt_inject_partition = -1
network_manager = nova.network.manager.FlatDHCPManager
iscsi_helper = tgtadm
sql_connection = mysql://nova:XXX@t1-pps05/nova
compute_driver = libvirt.LibvirtDriver
firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
rpc_backend = nova.openstack.common.rpc.impl_qpid
rootwrap_config = /etc/nova/rootwrap.conf
flat_interface = eth1
public_interface = eth0
volume_api_class = nova.volume.cinder.API
enabled_apis = ec2,osapi_compute,metadata
auth_strategy = keystone

my_ip = a.b.c.8
fixed_range = 10.0.100.0/24
flat_network_bridge = br100
flat_injected = False
novncproxy_host = 0.0.0.0
novncproxy_port = 6080
novncproxy_base_url = http://t1-pps05:6080/vnc_auto.html
vnc_enabled = True
vncserver_listen = a.b.c.8
vncserver_proxyclient_address = a.b.c.8

[keystone_authtoken]
admin_tenant_name = admin
admin_user = admin
admin_password = XXX
auth_host = t1-pps05
auth_port = 35357
auth_protocol = http
signing_dir = /tmp/keystone-signing-nova

nova.conf on compute only node (a.b.c.9, t1-pps06):

[DEFAULT]
logdir = /var/log/nova
state_path = /var/lib/nova
lock_path = /var/lib/nova/tmp
volumes_dir = /etc/nova/volumes
dhcpbridge = /usr/bin/nova-dhcpbridge
dhcpbridge_flagfile = /etc/nova/nova.conf
force_dhcp_release = True
injected_network_template = /usr/share/nova/interfaces.template
libvirt_nonblocking = True
libvirt_inject_partition = -1
network_manager = nova.network.manager.FlatDHCPManager
iscsi_helper = tgtadm
sql_connection = mysql://nova:XXX@t1-pps05/nova
compute_driver = libvirt.LibvirtDriver
firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver
rpc_backend = nova.openstack.common.rpc.impl_qpid
rootwrap_config = /etc/nova/rootwrap.conf
flat_interface = eth1
public_interface = eth0
volume_api_class = nova.volume.cinder.API
enabled_apis = ec2,osapi_compute,metadata
auth_strategy = keystone

my_ip = a.b.c.9
fixed_range = 10.0.100.0/24
flat_network_bridge = br100
flat_injected = False
novncproxy_host = 0.0.0.0
novncproxy_port = 6080
novncproxy_base_url = http://t1-pps06:6080/vnc_auto.html
vnc_enabled = True
vncserver_listen = a.b.c.9
vncserver_proxyclient_address = a.b.c.9

s3_host = a.b.c.8
ec2_host = a.b.c.8
qpid_hostname = a.b.c.8
metadata_host = a.b.c.8
ec2_dmz_host = a.b.c.8

image_service=nova.image.glance.GlanceImageService
glance_api_servers=a.b.c.8:9292

[keystone_authtoken]
admin_tenant_name = admin
admin_user = admin
admin_password = XXX
auth_host = t1-pps05
auth_port = 35357
auth_protocol = http
signing_dir = /tmp/keystone-signing-nova

Image specs: Built with oz-0.10.0-2.el6.noarch from SL6.4 x86_64 DVD
ISO, very basic kickstart, cloud-init install specified in template TDL
file. Virt-sysprep then added to Glance.

Kickstart:
install
text
keyboard us
lang en_US.UTF-8
skipx
network --onboot yes --device eth0 --bootproto dhcp
rootpw XXX
logging --level=info
firewall --disabled
authconfig --enableshadow --enablemd5
selinux --disabled
timezone --utc America/Vancouver
bootloader --location=mbr --append="console=tty0 console=ttyS0,115200"
zerombr yes
clearpart --all

part /boot --fstype ext4 --size=200
part pv.2 --size=1 --grow
volgroup VolGroup00 --pesize=32768 pv.2
logvol swap --fstype swap --name=LogVol01 --vgname=VolGroup00 --size=768
--grow --maxsize=1536
logvol / --fstype ext4 --name=LogVol00 --vgname=VolGroup00 --size=1024
--grow
reboot

%packages
@base

%post

Template TDL:
<template>
    <name>sl64wrepo_onbootnet_x86_64</name>
    <disk>
      <size>2</size>
    </disk>
    <os>
      <name>SL-6</name>
      <version>4</version>
      <arch>x86_64</arch>
      <install type='iso'>
<iso>file:///mnt/scratch/SL-64-x86_64-2013-03-18-Install-DVD.iso</iso>
      </install>
    </os>
    <description>SL 6.4wrepoonbootnet template</description>
    <repositories>
      <repository name='epel-6'>
<url>http://download.fedoraproject.org/pub/epel/6/x86_64</url>
        <signed>False</signed>
        <persisted>True</persisted>
      </repository>
    </repositories>
    <packages>
      <package name='cloud-init'/>
    </packages>
</template>

--
Justin Chiu    TRIUMF

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