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openstackhudson | Project nova build #633: SUCCESS in 1 min 58 sec: http://hudson.openstack.org/job/nova/633/ | 16:18 |
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openstackhudson | Tarmac: Fix instructions for setting up the initial database. | 16:18 |
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thielmann__ | Could someone help me with floating IPs? I added a single (/32) IP with nova-manage. euca-associate seems to work, describe shows the instance has the IP connected. Unfortunately, if I ping or SSH (from host) I end up on the host, rather on the instance. There's no route to the instance from outside. (Singe host install, single network connection, four public IPs). Any ideas? | 17:32 |
thielmann__ | Maybe someone could point out which commands euca-associate runs, so I could test them manually? | 17:32 |
kpepple | thielmann__: this isn't my area of expertise ... but maybe i can help narrow down the problem. i assume you can 'nova-manage floating list' your addresses ? | 17:35 |
thielmann__ | kpepple: Yes (thanks again for helping .->) | 17:36 |
kpepple | thielmann__: so it looks like associate floating gets down to business in nova/network/manager.py:202 where it registers in the db, binds the ip and then ensures forwarding. let me see what those actually do. | 17:38 |
kpepple | thielmann__: bind_floating executes a "sudo ip addr add <float_ip> dev <public interface>" | 17:39 |
thielmann__ | kpepple: I guess it does more. During yesterdays tests I found (in the logs) it somehow starts a NAT with iptables (like sudo iptables --delete PREROUTING -t nat -d 89.238.83.56 -j DNAT --to 10.0.1.8). When I try both, it still doesn't work (no error though). So I thought nova tries something additional. | 17:41 |
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thielmann__ | kpepple: And do I need to configure the IP before? How does the system know how to route? | 17:42 |
kpepple | thielmann__: ensure_floating_forward adds a rule to the nat4 table that does something ... you can look at it in nova/network/linux_net.py:435 ish | 17:43 |
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kpepple | thielmann__: AFAIK nova pulls the IP from the floating pool you set up with nova-manage, uses your public interface variable and then the VM ip address to create the forwarding rule. i am assuming that the problem is with the forwarding rule. | 17:45 |
kpepple | thielmann__: i would list out your iptables and go through it looking for the specific rules for your VMs IPs | 17:47 |
thielmann__ | kpepple: Yes, unfortunately, I have near to zero clue about iptables ("chains", "tables") and none about python. :-). I already listed the iptables entries (via -L) and I can't find them. I guess there hidden in some table/chain and I've got no clue how to find them. | 17:47 |
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openstackhudson | Project nova-bexar-tarmc build #7,174: FAILURE in 2 min 25 sec: http://hudson.openstack.org/job/nova-bexar-tarmc/7174/ | 17:53 |
thielmann__ | kpepple: This is my iptables-save: http://paste.openstack.org/show/885/ Maybe you can see a problem, I can't :-) | 17:55 |
kpepple | thielmann__: what's the VM instance's IP address ? | 17:55 |
thielmann__ | 10.0.1.14 | 17:55 |
openstackhudson | Yippie, build fixed! | 17:56 |
openstackhudson | Project nova-bexar-tarmc build #7,175: FIXED in 2.6 sec: http://hudson.openstack.org/job/nova-bexar-tarmc/7175/ | 17:56 |
kpepple | thielmann__: what's the floating IP address you were associating ? | 17:56 |
thielmann__ | kpepple: 89.238.83.55/32 | 17:56 |
kpepple | thielmann__: ok. there are three rules added by the floating_forward_rules: PREROUTING, OUTPUT and floating-snat | 17:57 |
kpepple | thielmann__: PREROUTING is on line 7 | 17:58 |
kpepple | thielmann__: i think floating-snat is on line 15 | 17:59 |
kpepple | thielmann__: i'm not seeing the output rule | 18:01 |
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thielmann__ | kpepple: Could you give me a command? There might be an error output. BTW: If I use the instance, I can access the net as .55". So it's "just" that no traffic comes in ... | 18:02 |
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kpepple | thielmann__: it seems like the command should be "iptables -A OUTPUT -d 89.238.83.55 -j DNAT --to 10.0.1.14" | 18:05 |
kpepple | thielmann__: yeah, you should back up your iptables BEFORE you do that command ... just in case | 18:07 |
thielmann__ | "iptables: Invalid argument. Run `dmesg' for more information." dmesg: "ip_tables: DNAT target: only valid in nat table, not filter" | 18:07 |
thielmann__ | kpepple: If the command is the same nova uses, it might be a problem with the iptables version? | 18:08 |
kpepple | thielmann__: what os are you on ? | 18:08 |
thielmann__ | kpepple: Ubuntu 10.04 | 18:08 |
kpepple | thielmann__: i'm using iptables v1.4.4 on ubuntu 10.10 | 18:08 |
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thielmann__ | kpepple: It's the same version on 10.04, so that can't be the problem... | 18:09 |
thielmann__ | kpepple: If I add a "-t nat" to the command, my iptables-save stays the same. Strange... | 18:12 |
kpepple | thielmann__: what happens when you do the "sudo iptables -t nat -L" ? | 18:12 |
kpepple | thielmann__: interested in the "nova-network-snat" section | 18:13 |
kpepple | thielmann__: and the "nova-compute-floating-snat" section | 18:13 |
thielmann__ | kpepple: http://paste.openstack.org/show/886/ Can't see the sections you mentioned. | 18:15 |
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kpepple | thielmann__: my output (VLAN) looks quite a bit different http://paste.openstack.org/show/887/ | 18:21 |
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openstackhudson | Project nova-bexar-tarmc build #7,182: FAILURE in 4 min 12 sec: http://hudson.openstack.org/job/nova-bexar-tarmc/7182/ | 18:35 |
openstackhudson | Project nova-tarmac build #68,980: FAILURE in 2 min 31 sec: http://hudson.openstack.org/job/nova-tarmac/68980/ | 18:35 |
openstackhudson | Yippie, build fixed! | 18:37 |
openstackhudson | Project nova-bexar-tarmc build #7,183: FIXED in 1.9 sec: http://hudson.openstack.org/job/nova-bexar-tarmc/7183/ | 18:37 |
openstackhudson | Yippie, build fixed! | 18:39 |
openstackhudson | Project nova-tarmac build #68,981: FIXED in 2 min 35 sec: http://hudson.openstack.org/job/nova-tarmac/68981/ | 18:39 |
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thielmann__ | kpepple: Unfortunately, I can't find the error, even with your iptables. Tried it manually, but no success right now. It's really a pity, since I came so far and all I need now is incoming traffic :-) | 18:46 |
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openstackhudson | Project nova-tarmac build #68,983: FAILURE in 2 min 36 sec: http://hudson.openstack.org/job/nova-tarmac/68983/ | 18:49 |
kpepple | thielmann__: the iptables debugging is hard. vishy and ryan are much better than i am at it. | 18:50 |
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openstackhudson | Project dashboard-tarmac build #11,374: FAILURE in 1 min 51 sec: http://hudson.openstack.org/job/dashboard-tarmac/11374/ | 18:53 |
openstackhudson | Yippie, build fixed! | 18:56 |
openstackhudson | Project nova-tarmac build #68,984: FIXED in 2 min 32 sec: http://hudson.openstack.org/job/nova-tarmac/68984/ | 18:56 |
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openstackhudson | Yippie, build fixed! | 18:58 |
openstackhudson | Project dashboard-tarmac build #11,375: FIXED in 51 sec: http://hudson.openstack.org/job/dashboard-tarmac/11375/ | 18:58 |
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