0ee596c6b3
Tox 4.0.0 was recently released and it has several breaking changes. We pin to < 4.0.0 here. We are planning to move forward only on the master charm branches. Tox is also pinned to < 4.0.0 for stable branches in upstream openstack-zuul-jobs as well as in zosci-config. However, the requires= section in the charm's tox.ini file ends up installing tox>4, wiping out the zuul-pinned tox<4 that was already installed installed. This patch fixes that. Related-Bug: #2002788 Change-Id: I3d48e24a93645d18505adb67d84c11b5f602ec68 |
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README.md
Overview
The glance-simplestreams-sync charm keeps OpenStack cloud images (in Glance) synchronised with the latest available images from a Simplestreams mirror(s). It uses Cron to do this.
The charm places simplestreams metadata in Object storage for future use by Juju. It then publishes the URL for that metadata as the endpoints of a new OpenStack service called 'product-streams'.
The charm installs Simplestreams from a snap.
Usage
Configuration
This section covers common and/or important configuration options. See file
config.yaml for the full list of options, along with their descriptions and
default values. See the Juju documentation for details
on configuring applications.
run
The run option enables the synchronisation cron script. This option accepts
Boolean values ('true' or 'false') with the default value being 'false'.
Changing the value from 'false' to 'true' will immediately schedule an image
sync.
Note: Enabling this option at cloud deploy time may cause a race condition with the set up of a possible storage backend for Glance.
frequency
The frequency option controls how often the sync cron job is run. It is used
to link the cron script into /etc/cron.<frequency>. Valid string values are:
'hourly', 'daily', and 'weekly'. The default is 'daily'.
region
The region option states the OpenStack region to operate in. The default
value is 'RegionOne'.
mirror_list
The mirror_list option is a YAML-formatted list of Simplestreams mirrors and
their configuration properties. The default behaviour is to download images
from https://cloud-images.ubuntu.com.
ssl_ca
The ssl_ca option verifies (optionally) the certificates when in SSL mode for
Keystone and Glance. This should be provided as a base64 encoded PEM
certificate.
Deployment
To deploy to an existing OpenStack cloud (that already includes Glance, Object storage, and Keystone):
juju deploy glance-simplestreams-sync
juju add-relation glance-simplestreams-sync:identity-service keystone:identity-service
Note: Charmed OpenStack commonly employs Ceph-backed Object storage (see the ceph-radosgw charm). Otherwise, a vanilla Swift-based solution can be used (see the swift-proxy charm).
Actions
Juju actions allow specific operations to be performed on
a per-unit basis. This charm supports the single action sync-images, which
allows for a one-time image sync from the currently configured mirror list.
Bugs
Please report bugs on Launchpad.
For general charm questions refer to the OpenStack Charm Guide.