On Thu, Mar 29, 2012 at 7:53 PM, Heherson Pagcaliwagan
<herson@xxxxxxxxxxx> wrote:
> On Fri, Mar 30, 2012 at 7:39 AM, Heherson Pagcaliwagan
> <herson@xxxxxxxxxxx> wrote:
>> On Thu, Mar 29, 2012 at 8:48 PM, Garrett Holmstrom
>> <gholms@xxxxxxxxxxxxxxxxx> wrote:
>>> On Mar 28, 2012 9:06 PM, "Heherson Pagcaliwagan" <herson@xxxxxxxxxxx> wrote:
>>>>
>>>> On Thu, Mar 29, 2012 at 12:22 AM, Dennis Gilmore <dennis@xxxxxxxx> wrote:
>>>> > i have uploaded a x86_64 image to us-east-1 in ec2 the ami is
>>>> > ami-3fb16f56 for whatever reason that i can not yet figure out the
>>>> > image is booting fine but ssh will not allow me to connect. ive stopped
>>>> > the image and attached it to a f16 instance and examined the disk and
>>>> > it all looks fine. with the ssh logs just saying that the client
>>>> > disconnected.
>>>> >
>>>> > Id appreciate if some people could have a look and see if its working
>>>> > for them or help diagnose what exactly is going on.
>>>>
>>>> Not sure if this is it, but I did not see a /root/.ssh/authorized_keys
>>>> file.
>>>
>>> This is expected. Look for it under /home/ec2-user instead.
>>
>> Thanks Garret. It did not occur to me to check the entire contents of
>> /home/ and solely relied on the web console's "Connect to Instance"
>> hint. Will try again later :)
>>
>>> Of course, if it isn't there either then there may be a problem. ;-)
>
> Now this is fun. Yup, no authorized_keys file on under /home/ec2-user.
>
Right, I see the same thing. authorized_keys is not being populated.
Here's my guess. On working F16, I see:
Mar 30 15:43:24 localhost cloud-init[748]: ci-info: lo : 1
127.0.0.1 255.0.0.0
Mar 30 15:43:24 localhost cloud-init[748]: ci-info: eth0 : 1
10.245.187.79 255.255.254.0 12:31:3d:01:b8:a1
Mar 30 15:43:24 localhost cloud-init[748]: ci-info: route-0: 0.0.0.0
10.245.186.1 0.0.0.0 eth0 UG
Mar 30 15:43:24 localhost cloud-init[748]: ci-info: route-1:
10.245.186.0 0.0.0.0 255.255.254.0 eth0 U
Mar 30 15:43:24 localhost cloud-init[748]: ci-info: route-2:
169.254.0.0 0.0.0.0 255.255.0.0 eth0 U
On F17, I see:
Mar 30 15:27:12 localhost cloud-init[543]: ci-info: route-0: 0.0.0.0
10.80.210.1 0.0.0.0 eth0 UG
Mar 30 15:27:12 localhost cloud-init[543]: ci-info: route-1:
10.80.210.0 0.0.0.0 255.255.254.0 eth0 U
Of those differences, I suspect that lack of a zeroconf route
(169.254.0.0/16) is probably preventing access to the metadata
service. Further, I believe the reason is related to the addition of
NetworkManager in the F17 AMI (because the zeroconf route is typically
added via the ifcfg-eth script, which NM does not run). Before I go
hacking further, is there a particular reason that we switched to
using NetworkManager in the F17 AMI?
Would removing it be the wrong solution, and if so, is there a quick
way to ensure that NM initializes a zeroconf route?
--Andy
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