Cleanup docs building

a few cleanups:
- Remove obsolete sections from setup.cfg
- Switch to using sphinx-build
- Remove install_command from tox.ini, the default is fine
- Update pbr requirement
- Fix build problems
- Switch to py38 for testing following Victoria testing platforms

Change-Id: I1ff3853020d69aeceb8b81c21ce608b269015ece

.zuul.yaml

@@ -3,7 +3,7 @@
       - openstack-specs-jobs
     check:
       jobs:
-        - openstack-tox-py37
+        - openstack-tox-py38
     gate:
       jobs:
-        - openstack-tox-py37
+        - openstack-tox-py38

requirements.txt

@@ -1,4 +1,4 @@
-pbr>=0.6,<1.0
+pbr!=2.1.0,>=2.0.0 # Apache-2.0
 openstackdocstheme>=2.2.1 # Apache-2.0
 sphinx>=2.0.0,!=2.1.0 # BSD
 yasfb>=0.8.0

setup.cfg

@@ -5,20 +5,9 @@ description-file =
     README.rst
 author = OpenStack
 author-email = openstack-dev@lists.openstack.org
-home-page = http://specs.openstack.org/openstack/zaqar-specs/
+home-page = https://specs.openstack.org/openstack/zaqar-specs/
 classifier =
     Environment :: OpenStack
     Intended Audience :: Developers
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
-
-[build_sphinx]
-source-dir = doc/source
-build-dir = doc/build
-all_files = 1
-
-[pbr]
-warnerrors = True
-
-[upload_sphinx]
-upload-dir = doc/build/html

specs/index.rst

@@ -17,3 +17,5 @@
    queens/index
    rocky/index
    stein/index
+   ussuri/index
+   victoria/index

specs/ussuri/query-queues-with-count.rst

@@ -38,15 +38,18 @@ return the amount of queues in response body like "count=100".
 
 API Impact
 -----------
-Query queue list
-GET: /v2/queues?with_count=true
+Query queue list:
 
-  RESPONSE CODE: 200
-  RESPONSE BODY:
-  {
-    "count": 100,
-    "queues": [...]
-  }
+.. code-block::
+
+  GET: /v2/queues?with_count=true
+
+    RESPONSE CODE: 200
+    RESPONSE BODY:
+    {
+      "count": 100,
+      "queues": [...]
+    }
 
 Drawbacks
 ---------
@@ -93,4 +96,4 @@ None
 References
 ==========
 
-None
+None

specs/victoria/encrypted-messages-in-queue.rst

@@ -31,7 +31,8 @@ or hacker attack.
 Proposed change
 ===============
 
-1. Add one new metadata in queue object that will indicate how to encrypt messages:
+1. Add one new metadata in queue object that will indicate how to
+   encrypt messages:
 
 #. "_enable_encrypt_messages=true/false" : this will tell Zaqar whether encrypt
    messages before storing them into backends or not.
@@ -46,33 +47,39 @@ Proposed change
    encrypt the message by using public key and return the encrypted messages to
    user.
 
-4. About the algorithms, in V cycle, Zaqar will introduce the AES-256 encryption
-   at first. In next cycles, Zaqar can suppot asymmetric encryption to let user
-   upload public key and keep the private key by their own.
+4. About the algorithms, in V cycle, Zaqar will introduce the AES-256
+   encryption at first. In next cycles, Zaqar can suppot asymmetric
+   encryption to let user upload public key and keep the private key
+   by their own.
 
 .. note::
 
    About the option of encryption algorithms and keys, Zaqar would support
    specify them throught more metadatas of queues, but it will be done in next
    serveral cycles. In Victoria, we will choose one algorithm (like AES256) to
-   support and support to storage the keys by Zaqar itself or other service like
-   Barbican.
+   support and support to storage the keys by Zaqar itself or other
+   service like Barbican.
 
 API Impact
 -----------
-Create queue list
-POST: /v2/queues/queue_name
 
-  RESPONSE CODE: 200
-  REQUEST BODY:
-  {
-    "_enable_encrypt_messages": true
-  }
+Create queue list:
+
+.. code-block::
+
+  POST: /v2/queues/queue_name
+
+    RESPONSE CODE: 200
+    REQUEST BODY:
+    {
+      "_enable_encrypt_messages": true
+    }
 
 Drawbacks
 ---------
 
-The ecryption algorithms will impact the performance of storing messages into backends
+The ecryption algorithms will impact the performance of storing
+messages into backends
 and getting the messages from the queue.
 
 This depends on which kind of encryption algorithms we choose and support.
@@ -118,4 +125,4 @@ None
 References
 ==========
 
-None
+None

specs/victoria/index.rst

@@ -5,3 +5,5 @@
 .. toctree::
    :glob:
    :maxdepth: 2
+
+   encrypted-messages-in-queue

tox.ini

@@ -1,12 +1,13 @@
 [tox]
-minversion = 1.6
+minversion = 3.2.0
 envlist = docs,pep8
 skipsdist = True
+ignore_basepython_conflict = True
+
 
 [testenv]
 basepython = python3
 usedevelop = True
-install_command = pip install -U {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
@@ -17,7 +18,7 @@ commands = stestr run --slowest {posargs}
 commands = {posargs}
 
 [testenv:docs]
-commands = python setup.py build_sphinx
+commands = sphinx-build -a -W -b html doc/source doc/build/html
 
 [testenv:spelling]
 deps =