Hi Vinod,
Can you confirm the agent version you are using? If you are not on latest,
can you verify if this behavior persists on latest agent version?
Many thanks,
Wm. Marc O'Brien
Scalr Technical Support
On Wednesday, August 10, 2016 at 1:44:00 AM UTC-6, Vinod Pattel wrote:
>
> Hi Marc,
>
> With reference to setting custom host name to instances, I see a problem.
> I set Server Hostname Format as:
> {SCALR_FARM_NAME}-{SCALR_FARM_ROLE_ALIAS}-{SCALR_INSTANCE_INDEX}
> When a VM instance gets created, instance name & hostname are set properly
> as expected. But, DNS resolution fails inside the VM:
>
> [root@DevOps-InternalInfrastructureServices-New-Host-1 ~]# hostname
>
> DevOps-InternalInfrastructureServices-New-Host-1
>
> [root@DevOps-InternalInfrastructureServices-New-Host-1 ~]# hostname -f
>
> *hostname: Name or service not known*
>
> [root@DevOps-InternalInfrastructureServices-New-Host-1 ~]# cat /etc/hosts
>
> None DevOps-InternalInfrastructureServices-New-Host-1
> 127.0.0.1 localhost
>
> Looking at the log, it appears like DNS entries are getting created for
> default hostname (instead of custom host name):
>
> 2016-07-20 10:55:07,313 - helpers.py[DEBUG]: Running config-set_hostname
> using lock (<FileLock using file
> '/var/lib/cloud/instances/i-3bb093bd/sem/config_set_hostname'>)
>
> 2016-07-20 10:55:07,317 - cc_set_hostname.py[DEBUG]: Setting the hostname
> to ip-100-122-203-40.us-east-1.ec2.aws.net (ip-100-122-203-40)
>
> 2016-07-20 10:55:07,317 - util.py[DEBUG]: *Running command
> ['hostnamectl', 'set-hostname', 'ip-100-122-203-40.us-east-1.ec2.aws.net
> <http://ip-100-122-203-40.us-east-1.ec2.aws.net>']* with allowed return
> codes [0] (shell=False, capture=True)
>
> 2016-07-20 10:55:07,886 - __init__.py[DEBUG]: Non-persistently setting the
> system hostname to ip-100-122-203-40
>
> 2016-07-20 10:55:07,886 - util.py[DEBUG]: Running command ['hostname',
> 'ip-100-122-203-40'] with allowed return codes [0] (shell=False,
> capture=True)
>
> 2016-07-20 10:55:07,893 - helpers.py[DEBUG]: Running
> config-update_etc_hosts using lock (<cloudinit.helpers.DummyLock object at
> 0x190a910>)
>
> 2016-07-20 10:55:07,895 - util.py[DEBUG]: Reading from
> /etc/cloud/templates/hosts.redhat.tmpl (quiet=False)
>
> 2016-07-20 10:55:07,897 - util.py[DEBUG]: Read 20 bytes from
> /etc/cloud/templates/hosts.redhat.tmpl
> 2016-07-20 10:55:07,899 - util.py[DEBUG]: Writing to /etc/hosts - wb:
> [420] 20 bytes
>
> Am i missing any configuration ??
>
> Appreciate your help !!
>
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