Drop support for Python 2.7

Change-Id: I0a14324269cbfe8ae93aa4707e135e18a858d2aa

tools/ci/python

@@ -2,7 +2,7 @@
 
 source $(dirname "$0")/activate
 
-PYTHON_VERSION=${PYTHON_VERSION:-}
+PYTHON_VERSION=${PYTHON_VERSION:-3}
 
 
 function python() {

tox.ini

@@ -17,7 +17,7 @@ setenv =
     OS_LOG_CAPTURE={env:OS_LOG_CAPTURE:true}
     OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
     OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
-    PYTHON=python
+    PYTHON={env:PYTHON:python3}
     PYTHONWARNINGS=ignore::Warning,{env:PYTHONWARNINGS:}
     TOBIKO_PREVENT_CREATE={env:TOBIKO_PREVENT_CREATE:false}
     VIRTUAL_ENV={envdir}
@@ -40,6 +40,7 @@ commands = {[base]commands}
 
 [testenv:cover]
 
+basepython = python3
 setenv =
     {[testenv]setenv}
     PYTHON=coverage run --parallel-mode
@@ -60,6 +61,8 @@ whitelist_externals =
 
 
 [testenv:pep8]
+
+basepython = {env:PYTHON:python3}
 deps =
     {[testenv]deps}
     -r{toxinidir}/linters-requirements.txt
@@ -68,6 +71,8 @@ commands =
 
 
 [testenv:linters]
+
+basepython = {[testenv:pep8]basepython}
 whitelist_externals = bash
 deps = {[testenv:pep8]deps}
 envdir = {toxworkdir}/pep8
@@ -98,6 +103,7 @@ import-order-style = pep8
 
 [openstack]
 
+basepython = {env:PYTHON:python3}
 deps = {[base]deps}
 passenv =
     {[base]passenv}
@@ -109,6 +115,7 @@ commands = {[base]commands}
 
 [testenv:functional]
 
+basepython = {[openstack]basepython}
 deps = {[openstack]deps}
 passenv = {[openstack]passenv}
 setenv =
@@ -118,6 +125,7 @@ setenv =
 
 [testenv:scenario]
 
+basepython = {[openstack]basepython}
 deps = {[openstack]deps}
 passenv = {[openstack]passenv}
 setenv =
@@ -127,6 +135,7 @@ setenv =
 
 [testenv:neutron]
 
+basepython = {[openstack]basepython}
 envdir = {toxworkdir}/scenario
 deps = {[testenv:scenario]deps}
 passenv = {[testenv:scenario]passenv}
@@ -137,6 +146,7 @@ setenv =
 
 [testenv:faults]
 
+basepython = {[openstack]basepython}
 envdir = {toxworkdir}/scenario
 deps = {[testenv:scenario]deps}
 passenv = {[testenv:scenario]passenv}
@@ -150,6 +160,7 @@ commands =
 
 [testenv:venv]
 
+basepython = {[openstack]basepython}
 envdir = {toxworkdir}/scenario
 deps = {[testenv:scenario]deps}
 passenv = {[testenv:scenario]passenv}
@@ -162,7 +173,7 @@ commands = {posargs}
 
 [docs]
 
-basepython = python3
+basepython = {env:PYTHON:python3}
 envdir = {toxworkdir}/docs
 deps =
     {[base]deps}
@@ -198,6 +209,8 @@ commands =
 # --- CI report environments --------------------------------------------------
 
 [testenv:report]
+
+basepython = {env:PYTHON:python3}
 skipsdist=True
 usedevelop = False
 deps = -r {toxinidir}/report-requirements.txt

zuul.d/project.yaml

@@ -4,11 +4,9 @@
       - build-openstack-docs-pti
       - docs-on-readthedocs
       - openstack-cover-jobs
-      - openstack-python-jobs
       - openstack-python35-jobs
       - openstack-python36-jobs
       - openstack-python37-jobs
-      - openstack-python-jobs
       - publish-to-pypi
       - build-release-notes-jobs-python3
     vars: