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Add OpenStack Keystone V3 support (#4889)

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Keystone V2 is deprecated in favour of V3. This adds the necessary
connection parameters for establishing a V3 connection. Connections
to V2 endpoints are still possible and the configuration should
remain compatible.

This also introduces a SWIFT_REGION variable for multi-region
OpenStack environments and a SWIFT_CACHE_TTL that controls how long
tokens and other meta-data is cached for. Caching tokens avoids
rate-limiting errors that would result in media uploads becoming
unavailable during high load or when using tasks like
media:remove_remote. fog-openstack only supports token caching for
V3 endpoints, so a recommendation for using V3 was added.
This commit is contained in:
Patrick Figel 2017-09-11 15:11:13 +02:00 committed by Eugen Rochko
parent c2bee07dbc
commit 3018043fc2
2 changed files with 12 additions and 1 deletions
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8
.env.production.sample
View file

@ -101,11 +101,19 @@ SMTP_FROM_ADDRESS=notifications@example.com
# Swift (optional)
# SWIFT_ENABLED=true
# SWIFT_USERNAME=
# For Keystone V3, the value for SWIFT_TENANT should be the project name
# SWIFT_TENANT=
# SWIFT_PASSWORD=
# Keystone V2 and V3 URLs are supported. Use a V3 URL if possible to avoid
# issues with token rate-limiting during high load.
# SWIFT_AUTH_URL=
# SWIFT_CONTAINER=
# SWIFT_OBJECT_URL=
# SWIFT_REGION=
# Defaults to 'default'
# SWIFT_DOMAIN_NAME=
# Defaults to 60 seconds. Set to 0 to disable
# SWIFT_CACHE_TTL=
# Optional alias for S3 if you want to use Cloudfront or Cloudflare in front
# S3_CLOUDFRONT_HOST=

5
config/initializers/paperclip.rb
View file

@ -47,9 +47,12 @@ elsif ENV['SWIFT_ENABLED'] == 'true'
fog_credentials: {
provider: 'OpenStack',
openstack_username: ENV.fetch('SWIFT_USERNAME'),
openstack_tenant: ENV.fetch('SWIFT_TENANT'),
openstack_project_name: ENV.fetch('SWIFT_TENANT'),
openstack_api_key: ENV.fetch('SWIFT_PASSWORD'),
openstack_auth_url: ENV.fetch('SWIFT_AUTH_URL'),
openstack_domain_name: ENV['SWIFT_DOMAIN_NAME'] || 'default',
openstack_region: ENV['SWIFT_REGION'],
openstack_cache_ttl: ENV['SWIFT_CACHE_TTL'] || 60,
},
fog_directory: ENV.fetch('SWIFT_CONTAINER'),
fog_host: ENV.fetch('SWIFT_OBJECT_URL'),