Add support for swift3 middleware

This commit adds support for the swift3 middware, which allows S3-compatible
clients to use swift for object storage.

Change-Id: I56cd63057cc771310b69c311d975e06f73c773f7
Related-Bug: 1625053

defaults/main.yml

@@ -25,11 +25,19 @@ debug: False
 swift_package_state: "latest"
 swift_pip_package_state: "latest"
 
+# Git repo details for swift
 swift_git_repo: https://git.openstack.org/openstack/swift
 swift_git_install_branch: master
+
+# Git repo details for swift3 middleware
+swift_swift3_git_repo: https://git.openstack.org/openstack/swift3
+swift_swift3_git_install_branch: master
+
+# Developer mode settings
 swift_developer_mode: false
 swift_developer_constraints:
   - "git+{{ swift_git_repo }}@{{ swift_git_install_branch }}#egg=swift"
+  - "git+{{ swift_swift3_git_repo }}@{{ swift_swift3_git_install_branch }}#egg=swift3"
 
 # Name of the virtual env to deploy into
 swift_venv_tag: untagged
@@ -59,6 +67,15 @@ swift_syslog_log_perms: "0644"
 ## Auth token
 swift_delay_auth_decision: true
 
+## Swift3 middleware options
+swift_swift3_enabled: false
+swift_swift3_allow_no_owner: false
+swift_swift3_location: US
+swift_swift3_max_bucket_listing: 1000
+swift_swift3_max_multi_delete_objects: 1000
+swift_swift3_s3_acl: false
+swift_swift3_storage_domain: ""
+
 ## Swift middleware
 # NB: The order is important!
 swift_middleware_list:
@@ -68,6 +85,8 @@ swift_middleware_list:
   - proxy-logging
   - "{% if swift_ceilometer_enabled | bool %}ceilometer{% endif %}"
   - cache
+  - "{% if swift_swift3_enabled | bool%}swift3{% endif %}"
+  - "{% if swift_swift3_enabled | bool%}s3token{% endif %}"
   - container_sync
   - bulk
   - tempurl
@@ -311,6 +330,7 @@ swift_pip_packages:
   - python-memcached
   - python-swiftclient
   - swift
+  - swift3
 
 swift_account_replicator_init_overrides: {}
 swift_account_replicator_server_init_overrides: {}

releasenotes/notes/add-swift3-support-a3f1a5d866fd8883.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - The os_swift role now supports the swift3 middleware, allowing access to
+    swift via the Amazon S3 API.  This feature can enabled by setting
+    ``swift_swift3_enabled`` to ``true``.

templates/proxy-server.conf.j2

@@ -100,6 +100,25 @@ operator_roles = admin, swiftoperator
 reseller_admin_role = {{ swift_reselleradmin_role }}
 {% endif %}
 
+{% if 'swift3' in swift_middleware_list %}
+[filter:swift3]
+use = egg:swift3#swift3
+
+allow_no_owner = {{ swift_swift3_allow_no_owner }}
+location = {{ swift_swift3_location }}
+max_bucket_listing = {{ swift_swift3_max_bucket_listing }}
+max_multi_delete_objects = {{ swift_swift3_max_multi_delete_objects }}
+s3_acl = {{ swift_swift3_s3_acl }}
+storage_domain = {{ swift_swift3_storage_domain }}
+
+{% endif %}
+
+{% if 's3token' in swift_middleware_list %}
+[filter:s3token]
+use = egg:swift3#s3token
+auth_uri = {{ keystone_service_adminuri }}
+{% endif %}
+
 [filter:healthcheck]
 use = egg:swift#healthcheck