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CloudVPS: update DNS record for eqiad1 egress (routing_source_ip) & ingress
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Description

This naming is probably not accurate:

$ host 185.15.56.1
1.56.15.185.in-addr.arpa domain name pointer internal-server-nat.wmflabs.org.

That IP is the one we use in the routing_source_ip setting.

Event Timeline

aborrero triaged this task as Medium priority.Oct 7 2019, 4:44 PM
aborrero moved this task from Inbox to Soon! on the cloud-services-team (Kanban) board.

More things to adjust:

$ host 185.15.56.1
1.56.15.185.in-addr.arpa domain name pointer internal-server-nat.wmflabs.org.
$ host internal-server-nat.wmflabs.org
internal-server-nat.wmflabs.org has address 208.80.155.255
$ host 208.80.155.255
Host 255.155.80.208.in-addr.arpa. not found: 3(NXDOMAIN)

Mentioned in SAL (#wikimedia-cloud) [2019-10-08T10:52:04Z] <arturo> make myself project admin to investigate T234836

Change 541526 had a related patch set uploaded (by Arturo Borrero Gonzalez; owner: Arturo Borrero Gonzalez):
[operations/dns@master] CloudVPS: use wikimediacloud.org domain for Neutron-related IP addresses

https://gerrit.wikimedia.org/r/541526

I'm proposing 2 changes:

  • the one in the patch: https://gerrit.wikimedia.org/r/541526
  • one in designate, in the wmflabsdotorg project, the record 1.56.15.185.in-addr.arpa. with id 1d828761-a55a-43dc-b1cd-2e99da4bc8b4 , from internal-server-nat.wmflabs.org. to nat.openstack.eqiad1.wikimediacloud.org..

Both changes go together.

aborrero renamed this task from CloudVPS: update DNS record for eqiad1 routing_source_ip to CloudVPS: update DNS record for eqiad1 egress (routing_source_ip) & ingress .Oct 8 2019, 2:07 PM
aborrero moved this task from Soon! to Needs discussion on the cloud-services-team (Kanban) board.
aborrero moved this task from Needs discussion to Doing on the cloud-services-team (Kanban) board.

We agreed on doing this in the WMCS team meeting. Assigning to @Andrew for final approval before doing the changes.

This all sounds good to me. lmk if you need me to make the designate changes.

Change 541526 merged by Arturo Borrero Gonzalez:
[operations/dns@master] CloudVPS: use wikimediacloud.org domain for Neutron-related IP addresses

https://gerrit.wikimedia.org/r/541526

Thanks! Done already:

arturo@endurance:~ $ host cloudinstances2b-gw.openstack.eqiad1.wikimediacloud.org
cloudinstances2b-gw.openstack.eqiad1.wikimediacloud.org has address 208.80.155.92
arturo@endurance:~ $ host 208.80.155.92
92.155.80.208.in-addr.arpa domain name pointer cloudinstances2b-gw.openstack.eqiad1.wikimediacloud.org.
arturo@endurance:~ $ host nat.openstack.eqiad1.wikimediacloud.org
nat.openstack.eqiad1.wikimediacloud.org has address 185.15.56.1
arturo@endurance:~ $ host 185.15.56.1
1.56.15.185.in-addr.arpa domain name pointer nat.openstack.eqiad1.wikimediacloud.org.

I'm also updating the docs at https://wikitech.wikimedia.org/wiki/Portal:Cloud_VPS/Admin/Neutron

Change 542072 had a related patch set uploaded (by Arturo Borrero Gonzalez; owner: Arturo Borrero Gonzalez):
[operations/dns@master] openstack: introduce FQDN for cloudinstances2b-gw in codfw1dev

https://gerrit.wikimedia.org/r/542072

Change 542072 merged by Arturo Borrero Gonzalez:
[operations/dns@master] openstack: introduce FQDN for cloudinstances2b-gw in codfw1dev

https://gerrit.wikimedia.org/r/542072

Mentioned in SAL (#wikimedia-cloud) [2019-11-01T21:08:48Z] <Krenair> Removed old internal-server-nat.wmflabs.org. A record to 208.80.155.255 - the target IP is in the old pre-neutron range that is no longer routed, this name has been replaced in T234836