Drop python 2.7 support and testing

OpenStack is dropping the py2.7 support in ussuri cycle.

Vitrage is ready with python 3 and ok to drop the
python 2.7 support.

Complete discussion & schedule can be found in
- http://lists.openstack.org/pipermail/openstack-discuss/2019-October/010142.html
- https://etherpad.openstack.org/p/drop-python2-support

Ussuri Communtiy-wide goal - https://review.opendev.org/#/c/691178/

Change-Id: Ia9339cc6397b680320909f98e4eb8aeb817ab5af

.zuul.yaml

@@ -2,15 +2,11 @@
     templates:
       - check-requirements
       - openstack-lower-constraints-jobs
-      - openstack-python-jobs
       - openstack-python3-ussuri-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
       jobs:
-        - vitrage-dsvm-api-py27
-        - vitrage-dsvm-datasources-py27
-        - vitrage-dsvm-mock-py27
         - vitrage-dsvm-api-py3
         - vitrage-dsvm-datasources-py3
         - vitrage-dsvm-mock-py3
@@ -18,30 +14,10 @@
     gate:
       queue: vitrage
       jobs:
-        - vitrage-dsvm-api-py27
-        - vitrage-dsvm-datasources-py27
         - vitrage-dsvm-api-py3
         - vitrage-dsvm-datasources-py3
         - grenade-vitrage
 
-- job:
-    name: vitrage-dsvm-api-py27
-    parent: legacy-dsvm-base
-    run: playbooks/legacy/vitrage-dsvm-api-py27/run.yaml
-    post-run: playbooks/legacy/vitrage-dsvm-api-py27/post.yaml
-    timeout: 7800
-    required-projects:
-      - openstack/devstack-gate
-      - openstack/aodh
-      - openstack/mistral
-      - openstack/python-vitrageclient
-      - openstack/vitrage
-      - openstack/vitrage-tempest-plugin
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-      - ^releasenotes/.*$
-
 - job:
     name: vitrage-dsvm-api-py3
     parent: legacy-dsvm-base
@@ -60,24 +36,6 @@
       - ^doc/.*$
       - ^releasenotes/.*$
 
-- job:
-    name: vitrage-dsvm-datasources-py27
-    parent: legacy-dsvm-base
-    run: playbooks/legacy/vitrage-dsvm-datasources-py27/run.yaml
-    post-run: playbooks/legacy/vitrage-dsvm-datasources-py27/post.yaml
-    timeout: 7800
-    required-projects:
-      - openstack/devstack-gate
-      - openstack/aodh
-      - openstack/mistral
-      - openstack/python-vitrageclient
-      - openstack/vitrage
-      - openstack/vitrage-tempest-plugin
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-      - ^releasenotes/.*$
-
 - job:
     name: vitrage-dsvm-datasources-py3
     parent: legacy-dsvm-base
@@ -96,23 +54,6 @@
       - ^doc/.*$
       - ^releasenotes/.*$
 
-- job:
-    name: vitrage-dsvm-mock-py27
-    parent: legacy-dsvm-base
-    voting: false
-    run: playbooks/legacy/vitrage-dsvm-mock-py27/run.yaml
-    post-run: playbooks/legacy/vitrage-dsvm-mock-py27/post.yaml
-    timeout: 7800
-    required-projects:
-      - openstack/devstack-gate
-      - openstack/python-vitrageclient
-      - openstack/vitrage
-      - openstack/vitrage-tempest-plugin
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-      - ^releasenotes/.*$
-
 - job:
     name: vitrage-dsvm-mock-py3
     parent: legacy-dsvm-base

playbooks/legacy/vitrage-dsvm-api-py27/post.yaml

@@ -1,80 +0,0 @@
-- hosts: primary
-  tasks:
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*nose_results.html
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testr_results.html.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.testrepository/tmp*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testrepository.subunit.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}/tox'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.tox/*/log/*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/logs/**
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs

playbooks/legacy/vitrage-dsvm-api-py27/run.yaml

@@ -1,68 +0,0 @@
-- hosts: all
-  name: Autoconverted job legacy-vitrage-dsvm-api-py27 from old job gate-vitrage-dsvm-api-py27-ubuntu-xenial
-  tasks:
-
-    - name: Ensure legacy workspace directory
-      file:
-        path: '{{ ansible_user_dir }}/workspace'
-        state: directory
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          cat > clonemap.yaml << EOF
-          clonemap:
-            - name: openstack/devstack-gate
-              dest: devstack-gate
-          EOF
-          /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-              https://opendev.org \
-              openstack/devstack-gate
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          export PYTHONUNBUFFERED=true
-          export PROJECTS="openstack/python-vitrageclient $PROJECTS"
-          export PROJECTS="openstack/aodh $PROJECTS"
-          export PROJECTS="openstack/mistral $PROJECTS"
-          export PROJECTS="openstack/vitrage $PROJECTS"
-          export PROJECTS="openstack/vitrage-tempest-plugin $PROJECTS"
-
-          export DEVSTACK_GATE_USE_PYTHON3=False
-
-          function pre_test_hook {
-              source $BASE/new/vitrage-tempest-plugin/devstack/pre_test_hook.sh
-          }
-          export -f pre_test_hook
-
-          function gate_hook {
-              source $BASE/new/vitrage/devstack/gate_hook.sh
-          }
-          export -f gate_hook
-
-          function post_test_hook {
-              if [[ "$TEMPEST_VERSION" != "master" ]]; then
-                 # use vitrage-tempest-plugin $TEMPEST_VERSION
-                 # which is defined in the devstackgaterc file
-
-                 cd $BASE/new/vitrage-tempest-plugin/
-                 git_checkout_tag vitrage-tempest-plugin $TEMPEST_VERSION
-              fi
-
-              source $BASE/new/vitrage-tempest-plugin/devstack/post_test_hook.sh 'api'
-          }
-          export -f post_test_hook
-
-          export DEVSTACK_GATE_SETTINGS=/opt/stack/new/vitrage/devstack/devstackgaterc
-
-          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
-          ./safe-devstack-vm-gate-wrap.sh
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'

playbooks/legacy/vitrage-dsvm-datasources-py27/post.yaml

@@ -1,80 +0,0 @@
-- hosts: primary
-  tasks:
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*nose_results.html
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testr_results.html.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.testrepository/tmp*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testrepository.subunit.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}/tox'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.tox/*/log/*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/logs/**
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs

playbooks/legacy/vitrage-dsvm-datasources-py27/run.yaml

@@ -1,68 +0,0 @@
-- hosts: all
-  name: Autoconverted job legacy-vitrage-dsvm-datasources-py27 from old job gate-vitrage-dsvm-datasources-py27-ubuntu-xenial
-  tasks:
-
-    - name: Ensure legacy workspace directory
-      file:
-        path: '{{ ansible_user_dir }}/workspace'
-        state: directory
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          cat > clonemap.yaml << EOF
-          clonemap:
-            - name: openstack/devstack-gate
-              dest: devstack-gate
-          EOF
-          /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-              https://opendev.org \
-              openstack/devstack-gate
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          export PYTHONUNBUFFERED=true
-          export PROJECTS="openstack/python-vitrageclient $PROJECTS"
-          export PROJECTS="openstack/aodh $PROJECTS"
-          export PROJECTS="openstack/mistral $PROJECTS"
-          export PROJECTS="openstack/vitrage $PROJECTS"
-          export PROJECTS="openstack/vitrage-tempest-plugin $PROJECTS"
-
-          export DEVSTACK_GATE_USE_PYTHON3=False
-
-          function pre_test_hook {
-              source $BASE/new/vitrage-tempest-plugin/devstack/pre_test_hook.sh
-          }
-          export -f pre_test_hook
-
-          function gate_hook {
-              source $BASE/new/vitrage/devstack/gate_hook.sh
-          }
-          export -f gate_hook
-
-          function post_test_hook {
-              if [[ "$TEMPEST_VERSION" != "master" ]]; then
-                 # use vitrage-tempest-plugin $TEMPEST_VERSION
-                 # which is defined in the devstackgaterc file
-
-                 cd $BASE/new/vitrage-tempest-plugin/
-                 git_checkout_tag vitrage-tempest-plugin $TEMPEST_VERSION
-              fi
-
-              source $BASE/new/vitrage-tempest-plugin/devstack/post_test_hook.sh 'datasources'
-          }
-          export -f post_test_hook
-
-          export DEVSTACK_GATE_SETTINGS=/opt/stack/new/vitrage/devstack/devstackgaterc
-
-          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
-          ./safe-devstack-vm-gate-wrap.sh
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'

playbooks/legacy/vitrage-dsvm-mock-py27/post.yaml

@@ -1,80 +0,0 @@
-- hosts: primary
-  tasks:
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*nose_results.html
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testr_results.html.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.testrepository/tmp*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=**/*testrepository.subunit.gz
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}/tox'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/.tox/*/log/*
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs
-
-    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
-      synchronize:
-        src: '{{ ansible_user_dir }}/workspace/'
-        dest: '{{ zuul.executor.log_root }}'
-        mode: pull
-        copy_links: true
-        verify_host: true
-        rsync_opts:
-          - --include=/logs/**
-          - --include=*/
-          - --exclude=*
-          - --prune-empty-dirs

playbooks/legacy/vitrage-dsvm-mock-py27/run.yaml

@@ -1,66 +0,0 @@
-- hosts: all
-  name: Autoconverted job legacy-vitrage-dsvm-mock-py27 from old job gate-vitrage-dsvm-mock-py27-ubuntu-xenial
-  tasks:
-
-    - name: Ensure legacy workspace directory
-      file:
-        path: '{{ ansible_user_dir }}/workspace'
-        state: directory
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          cat > clonemap.yaml << EOF
-          clonemap:
-            - name: openstack/devstack-gate
-              dest: devstack-gate
-          EOF
-          /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-              https://opendev.org \
-              openstack/devstack-gate
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          export PYTHONUNBUFFERED=true
-          export PROJECTS="openstack/python-vitrageclient $PROJECTS"
-          export PROJECTS="openstack/vitrage $PROJECTS"
-          export PROJECTS="openstack/vitrage-tempest-plugin $PROJECTS"
-
-          export DEVSTACK_GATE_USE_PYTHON3=False
-
-          function pre_test_hook {
-              source $BASE/new/vitrage-tempest-plugin/devstack/pre_test_hook.sh
-          }
-          export -f pre_test_hook
-
-          function gate_hook {
-              source $BASE/new/vitrage/devstack/gate_hook_mock.sh
-          }
-          export -f gate_hook
-
-          function post_test_hook {
-              if [[ "$TEMPEST_VERSION" != "master" ]]; then
-                 # use vitrage-tempest-plugin $TEMPEST_VERSION
-                 # which is defined in the devstackgaterc file
-
-                 cd $BASE/new/vitrage-tempest-plugin/
-                 git_checkout_tag vitrage-tempest-plugin $TEMPEST_VERSION
-              fi
-
-              source $BASE/new/vitrage-tempest-plugin/devstack/post_test_hook.sh 'mock'
-          }
-          export -f post_test_hook
-
-          export DEVSTACK_GATE_SETTINGS=/opt/stack/new/vitrage/devstack/devstackgaterc
-
-          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
-          ./safe-devstack-vm-gate-wrap.sh
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'

playbooks/legacy/vitrage-grenade/run.yaml

@@ -31,6 +31,7 @@
           [[local|localrc]]
           enable_plugin vitrage https://opendev.org/openstack/vitrage
           # TEMPEST_PLUGINS+=' ../'
+          USE_PYTHON3=True
           EOF
         executable: /bin/bash
         chdir: '{{ ansible_user_dir }}/workspace'

releasenotes/notes/drop-py-2-7-6add89c8aeb58399.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. Last release of vitrage
+    to support py2.7 is OpenStack Train. The minimum version of Python now
+    supported by vitrage is Python 3.6.

requirements.txt

@@ -52,7 +52,6 @@ eventlet!=0.20.1,>=0.20.0 # MIT
 six>=1.11.0 # MIT
 debtcollector>=1.19.0 # Apache-2.0
 cotyledon>=1.6.8 # Apache-2.0
-futures>=3.0.0;python_version=='2.7' or python_version=='2.6'  # BSD
 pytz>=2013.6 # MIT
 tenacity>=4.9.0
 tooz>=1.58.0 # Apache-2.0

setup.cfg

@@ -13,8 +13,6 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.3.1
-envlist = py27,py37,pep8
+envlist = py37,pep8
 skipsdist = True
 
 [testenv]