My bad. This was inside the same container, but it was one I ran
manually with --net=host.
Here is from the one running in openshift:
sh-4.3$ cat /etc/resolv.conf
search enmasse.svc.cluster.local svc.cluster.local cluster.local
nameserver 192.168.1.17
options ndots:5
On 08/11/2016 07:44 PM, Clayton Coleman wrote:
Sorry, I meant resolve.conf inside of one of your containers
On Thu, Aug 11, 2016 at 1:35 PM, Ulf Lilleengen <[email protected]
<mailto:[email protected]>> wrote:
[root@strappi /]# cat /etc/resolv.conf
# Generated by NetworkManager
search redhat.com <http://redhat.com>
nameserver 10.38.5.26
nameserver 10.35.255.14
nameserver 192.168.1.1
# NOTE: the libc resolver may not support more than 3 nameservers.
# The nameservers listed below may not be recognized.
nameserver 2001:4662:afe3:0:8a1f:a1ff:fe2d:34e6
Note that I set the disable_ipv6=1, but I didn't restart
openshift/docker after doing it though.
On 08/11/2016 05:48 PM, Clayton Coleman wrote:
Tried this with Fedora 24 and very similar config (but centos7
image)
and I'm able to ping localhost.
$ cat /etc/hosts
# Kubernetes-managed hosts file.
127.0.0.1localhost
::1localhost ip6-localhost ip6-loopback
fe00::0ip6-localnet
fe00::0ip6-mcastprefix
fe00::1ip6-allnodes
fe00::2ip6-allrouters
172.17.0.2centoscentos7-debug
I have net.ipv6.conf.all.disable_ipv6 = 1 set - should be possible.
Can you provide your /etc/resolv.conf from inside that image?
On Thu, Aug 11, 2016 at 11:29 AM, Ulf Lilleengen
<[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>> wrote:
Host:
OS: Fedora 24
Docker: 1.10.3
glibc-2.23.1-8
Docker image:
Name: gordons/qdrouterd:v10 (based on Fedora 23)
Glibc:glibc-2.22-11
Nothing special in the images other than that. The issue
appeared
without any significant change other than running the latest
openshift/origin image.
On 08/11/2016 04:58 PM, Clayton Coleman wrote:
That is very strange. Anything special about the container
(what OS,
libraries, glibc version, musl)? What version of Docker was
running?
On Wed, Aug 10, 2016 at 3:45 AM, Ulf Lilleengen
<[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>
<mailto:[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>>> wrote:
Hi,
We were debugging an issue yesterday where
'localhost' could
not be
resolved inside a container in openshift origin
v1.3.0-alpha.3. I'm
not sure if this is openshift or kubernetes-related, but
thought I'd
ask here first.
We have two containers running on a pod, and one
container is
connecting to the other using 'localhost'. This has
worked
fine for
several months, but stopped working yesterday. We
resolved
the issue
by using 127.0.0.1. We were also able to use the pod
hostname as well.
I'm thinking this might be related to IPv6, given that
/etc/hosts
seemed to contain IPv6 records for localhost, and
the other
container may be listening on IPv4 only. I tried
disabling
it with
sysctl net.ipv6.conf.all.disable_ipv6=1 to verify, but I
still saw
the same issue.
sh-4.3$ cat /etc/hosts
# Kubernetes-managed hosts file.
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
fe00::0 ip6-mcastprefix
fe00::1 ip6-allnodes
fe00::2 ip6-allrouters
172.17.0.6 controller-queue1-tnvav
--
Ulf Lilleengen
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