Drop pbr version ceiling

- Ceiling of pbr version can create installation conflicts with pip.
- Fixes tox default env list to be python version agnostic
- Includes hacking version bump to fix dependencies

NOTE: Partial backport of the master fix. This patch excludes the py39
job updates.

Bug: #1921679
Change-Id: Ifd0d2f810799992faa1db41b80bf93bc97d5d19d
(cherry picked from commit c69ead8b45)

elements/os-apply-config/install.d/os-apply-config-source-install/10-os-apply-config

@@ -17,7 +17,7 @@ else
     # envvars
     $OS_APPLY_CONFIG_VENV_DIR/bin/pip install -U 'setuptools>=1.0'
     # bug #1293812 : Avoid easy_install triggering on pbr.
-    $OS_APPLY_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11,<2.0'
+    $OS_APPLY_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11'
     $OS_APPLY_CONFIG_VENV_DIR/bin/pip install -U os-apply-config
 fi
 

elements/os-collect-config/install.d/os-collect-config-source-install/10-os-collect-config

@@ -15,7 +15,7 @@ else
     # downloading from pypi using http_proxy and https_proxy
     $OS_COLLECT_CONFIG_VENV_DIR/bin/pip install -U 'setuptools>=1.0'
     # bug #1293812 : Avoid easy_install triggering on pbr.
-    $OS_COLLECT_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11,<2.0'
+    $OS_COLLECT_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11'
     $OS_COLLECT_CONFIG_VENV_DIR/bin/pip install -U os-collect-config
 fi
 

elements/os-net-config/install.d/os-net-config-source-install/50-os-net-config-source

@@ -17,7 +17,7 @@ else
     # envvars
     $OS_NET_CONFIG_VENV_DIR/bin/pip install -U 'setuptools>=1.0'
     # bug #1293812 : Avoid easy_install triggering on pbr.
-    $OS_NET_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11,<2.0'
+    $OS_NET_CONFIG_VENV_DIR/bin/pip install -U 'pbr>=0.11'
     $OS_NET_CONFIG_VENV_DIR/bin/pip install -U os-net-config
 fi
 

elements/os-refresh-config/install.d/os-refresh-config-source-install/10-os-refresh-config

@@ -21,7 +21,7 @@ else
     /opt/stack/venvs/os-refresh-config/bin/pip install -U pip
     /opt/stack/venvs/os-refresh-config/bin/pip install -U 'setuptools>=1.0'
     # bug #1293812 : Avoid easy_install triggering on pbr.
-    /opt/stack/venvs/os-refresh-config/bin/pip install -U 'pbr>=0.11,<2.0'
+    /opt/stack/venvs/os-refresh-config/bin/pip install -U 'pbr>=0.11'
     /opt/stack/venvs/os-refresh-config/bin/pip install -U os-refresh-config
 fi
 

elements/os-svc-install/bin/os-svc-install

@@ -38,7 +38,7 @@ function python_install() {
         pip install -U 'setuptools>=1.0'
 
         # bug #1293812 : Avoid easy_install triggering on pbr.
-        pip install -U 'pbr>=0.11,<2.0'
+        pip install -U 'pbr>=0.11'
 
         if [ -n "$reqs" ] ; then
             # Install requirements off source repo if the install type

requirements.txt

@@ -1 +1 @@
-pbr>=0.11,<2.0
+pbr>=0.11

test-requirements.txt

@@ -1,4 +1,4 @@
-hacking>=1.1.0,<1.2.0 # Apache-2.0
+hacking>=2.0.0 # Apache-2.0
 openstackdocstheme>=2.2.1 # Apache-2.0
 
 oslotest