openstack
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project-config/nodepool/elements/nodepool-base
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Ian Wienand 7602343b6a nodepool-elements: Use venv for utilities 
Since all platforms have Python 3, use the new ensure-venv element
from the dependent change to install bindep and os-testr.

Since we are no longer using pip to install anything during the
builder, this drops the dependency on pip-and-virtualenv from
nodepool-base.  Avoiding this element is our long-term goal, as it's
modification to system state are problematic in a number of ways.  To
maintain the status-quo, the pip-and-virtualenv element is added
explicitly to each build's element list, with a note on it's future.

The current plan for backwards compatability is to replicate the
environment pip-and-virtualenv provides in a base role/job that can be
optionally included.  To test this, provide a new node type
"ubuntu-bionic-plain" that will not include the pip-and-virtualenv
element.  This is put on just one provider (rax) to minimise impact.

The dependent-change (and a dib release) is required before merge so
the ensure-venv element is available.

Depends-On: https://review.opendev.org/707513
Change-Id: I85438baf5bb31790a56fe5b38327361f0a2398e9
 		2020-03-11 10:12:00 +11:00
..
cleanup.d Remove root user .cache folder 2017-04-20 15:22:28 -04:00
environment.d Switch from 1.1.1.1 to 1.0.0.1 2019-04-25 13:14:53 +00:00
finalise.d Bye, Bye, Trusty 2020-01-19 16:00:55 +01:00
glean@.service.d Create glean@.service.d/override.conf 2017-08-18 16:28:54 -04:00
install.d nodepool-elements: Use venv for utilities 2020-03-11 10:12:00 +11:00
post-install.d Bye, Bye, Trusty 2020-01-19 16:00:55 +01:00
pre-install.d Stop installing and running puppet in node builds 2017-04-27 23:23:32 +02:00
root.d Use AFS mirrors to build ubuntu-bionic DIB 2018-04-02 12:45:24 -04:00
README.rst Restore blank nodepool/scripts 2020-03-03 15:01:23 +11:00
element-deps nodepool-elements: Use venv for utilities 2020-03-11 10:12:00 +11:00
package-installs.yaml Manage unbound on zuul workers in DIB 2017-04-04 09:32:36 +02:00

README.rst

nodepool-base

Tasks to deal with image metadata and other Nodepool cloud specific tweaks.

Name resolution

The image should have the unbound DNS resolver package installed, the nodepool-base element then configures it to forward DNS queries to:

NODEPOOL_STATIC_NAMESERVER_V4, default: 1.0.0.1 NODEPOOL_STATIC_NAMESERVER_V4_FALLBACK, default: 8.8.8.8.

If NODEPOOL_STATIC_NAMESERVER_POPULATE_IPV6 is set to 1 then the following two servers will be configured as forwarders too

NODEPOOL_STATIC_NAMESERVER_V6, default: 2606:4700:4700::1111 NODEPOOL_STATIC_NAMESERVER_V6_FALLBACK, default: 2001:4860:4860::8888

Note externally setting either of these values implies NODEPOOL_STATIC_NAMESERVER_POPULATE_IPV6=1