Remove support for all distributions with Python 3.6

They are broken after setup.cfg changes have been done to projects.

Change-Id: I762755024322afc6517adfb8ad79adfa3ec346cf

doc/source/install/index.rst

@@ -15,19 +15,15 @@ Supported operating systems
 Full support (fully tested in the CI, no known or potential issues):
 
 * CentOS Stream 9
-* CentOS Stream 8 (deprecated but will keep running normal CI until Z cycle)
 
   .. note::
-     RHEL is assumed to work but not tested explicitly.
+     RHEL 9 and derivatives are assumed to work but not tested explicitly.
 
 * Ubuntu 20.04 "Focal"
 * Debian 11 "Bullseye"
 
-Deprecated, support may be removed at any moment:
+Limited support, may be removed at any moment:
 
-* Ubuntu 18.04 "Bionic"
-* Debian 10 "Buster
-* openSUSE Leap 15.2
 * Fedora 34 (32+ is supported but not recommended)
 
 .. note::

doc/source/install/offline-install.rst

@@ -43,8 +43,8 @@ this.
 
 .. code-block:: yaml
 
-    ipa_kernel_upstream_url: file:///vagrant/ipa-centos8-master.kernel
+    ipa_kernel_upstream_url: file:///vagrant/ipa-centos9-master.kernel
-    ipa_ramdisk_upstream_url: file:///vagrant/ipa-centos8-master.initramfs
+    ipa_ramdisk_upstream_url: file:///vagrant/ipa-centos9-master.initramfs
     cirros_deploy_image_upstream_url: file:///vagrant/cirros-0.5.1-x86_64-disk.img
     dib_git_url: file:///vagrant/git/diskimage-builder
     ironicclient_git_url: file:///vagrant/git/python-ironicclient

doc/source/user/troubleshooting.rst

@@ -156,9 +156,9 @@ DIB-based or any other IPA image, you will need to take the following steps:
    file and update the ``ipa_kernel_upstream_url`` and
    ``ipa_kernel_upstream_url`` settings to a new URL.
    For DIB-based images, these urls would be,
-   ``https://tarballs.opendev.org/openstack/ironic-python-agent/dib/files/ipa-centos8-master.kernel``
+   ``https://tarballs.opendev.org/openstack/ironic-python-agent/dib/files/ipa-centos9-master.kernel``
    and
-   ``https://tarballs.opendev.org/openstack/ironic-python-agent/dib/files/ipa-centos8-master.initramfs``
+   ``https://tarballs.opendev.org/openstack/ironic-python-agent/dib/files/ipa-centos9-master.initramfs``
    respectively.
 #. Execute the installation playbook, and the set files will be automatically
    downloaded again. If the files are not removed prior to (re)installation,

playbooks/roles/bifrost-ironic-install/defaults/main.yml

@@ -78,13 +78,19 @@ ipa_download_headers: {}
 ipa_kernel: "{{http_boot_folder}}/ipa.kernel"
 ipa_ramdisk: "{{http_boot_folder}}/ipa.initramfs"
 ipa_kernel_url: "{{ ipa_file_protocol }}://{{ internal_ip }}:{{ file_url_port }}/ipa.kernel"
+ipa_download_distro: >-
+  {%- if ipa_upstream_release == "stable-train" -%}
+  centos7
+  {%- elif ipa_upstream_release in ["stable-ussuri", "stable-victoria", "stable-wallaby", "stable-xena", "stable-yoga"] -%}
+  centos8
+  {%- else -%}
+  centos9
+  {%- endif -%}
 ipa_kernel_upstream_url: >-
   {%- if use_tinyipa | bool -%}
   {{tarballs_base_url}}/tinyipa/files/tinyipa-{{ ipa_upstream_release }}.vmlinuz
-  {%- elif ipa_upstream_release == "stable-train" -%}
-  {{tarballs_base_url}}/dib/files/ipa-centos7-{{ ipa_upstream_release }}.kernel
   {%- else -%}
-  {{tarballs_base_url}}/dib/files/ipa-centos8-{{ ipa_upstream_release }}.kernel
+  {{tarballs_base_url}}/dib/files/ipa-{{ ipa_download_distro }}-{{ ipa_upstream_release }}.kernel
   {%- endif -%}
 ipa_kernel_upstream_checksum_algo: "sha256"
 ipa_kernel_upstream_checksum_url: "{{ ipa_kernel_upstream_url }}.{{ ipa_kernel_upstream_checksum_algo }}"
@@ -92,10 +98,8 @@ ipa_ramdisk_url: "{{ ipa_file_protocol }}://{{ internal_ip }}:{{ file_url_port }
 ipa_ramdisk_upstream_url: >-
   {%- if use_tinyipa | bool -%}
   {{tarballs_base_url}}/tinyipa/files/tinyipa-{{ ipa_upstream_release }}.gz
-  {%- elif ipa_upstream_release == "stable-train" -%}
-  {{tarballs_base_url}}/dib/files/ipa-centos7-{{ ipa_upstream_release }}.initramfs
   {%- else -%}
-  {{tarballs_base_url}}/dib/files/ipa-centos8-{{ ipa_upstream_release }}.initramfs
+  {{tarballs_base_url}}/dib/files/ipa-{{ ipa_download_distro }}-{{ ipa_upstream_release }}.initramfs
   {%- endif -%}
 ipa_ramdisk_upstream_checksum_algo: "sha256"
 ipa_ramdisk_upstream_checksum_url: "{{ ipa_ramdisk_upstream_url }}.{{ ipa_ramdisk_upstream_checksum_algo }}"

releasenotes/notes/no-3.6-b6bb33ce08695675.yaml

@@ -0,0 +1,10 @@
+---
+upgrade:
+  - |
+    Removes support for any distributions using Python 3.6 since OpenStack no
+    longer supports it. This includes:
+
+    * CentOS Stream 8, RHEL 8 and derivatives.
+    * OpenSUSE Leap 15 (all minor versions).
+    * Debian 10 "Buster".
+    * Ubuntu 18.04 "Bionic".

zuul.d/bifrost-jobs.yaml

@@ -44,11 +44,6 @@
     parent: bifrost-integration-dhcp
     nodeset: ubuntu-focal
 
-- job:
-    name: bifrost-integration-dhcp-centos-8
-    parent: bifrost-integration-dhcp
-    nodeset: centos-8-stream
-
 - job:
     name: bifrost-integration-dhcp-centos-9
     parent: bifrost-integration-dhcp
@@ -66,11 +61,6 @@
     parent: bifrost-integration-dibipa-debian
     nodeset: ubuntu-focal
 
-- job:
-    name: bifrost-integration-dibipa-debian-centos-8
-    parent: bifrost-integration-dibipa-debian
-    nodeset: centos-8-stream
-
 - job:
     name: bifrost-integration-dibipa-debian-centos-9
     parent: bifrost-integration-dibipa-debian
@@ -120,11 +110,13 @@
     vars:
       cli_test: true
 
+# TODO(dtantsur): remove when no longer used by child jobs
 - job:
     name: bifrost-integration-tinyipa-centos-8
     parent: bifrost-integration-tinyipa
     nodeset: centos-8-stream
 
+# TODO(dtantsur): remove when no longer used by IPE
 - job:
     name: bifrost-integration-tinyipa-keystone-centos-8
     parent: bifrost-integration-tinyipa-centos-8
@@ -137,6 +129,7 @@
       test_driver: redfish
       enable_prometheus_exporter: true
 
+# TODO(dtantsur): remove when no longer used by Ironic
 - job:
     name: bifrost-integration-redfish-vmedia-uefi-centos-8
     parent: bifrost-integration-tinyipa-centos-8
@@ -168,22 +161,11 @@
       test_driver: redfish
       enable_prometheus_exporter: true
 
-#NOTE(rpittau): remove buster support in Z or later
-- job:
-    name: bifrost-integration-tinyipa-debian-buster
-    parent: bifrost-integration-tinyipa
-    nodeset: debian-buster
-
 - job:
     name: bifrost-integration-tinyipa-debian-bullseye
     parent: bifrost-integration-tinyipa
     nodeset: debian-bullseye
 
-- job:
-    name: bifrost-integration-tinyipa-opensuse-15
-    parent: bifrost-integration-tinyipa
-    nodeset: opensuse-15
-
 - job:
     name: bifrost-integration-tinyipa-fedora-latest
     parent: bifrost-integration-tinyipa
@@ -217,9 +199,9 @@
     nodeset: ubuntu-focal
 
 - job:
-    name: bifrost-upgrade-keystone-centos8
+    name: bifrost-upgrade-keystone-centos9
     parent: bifrost-upgrade
-    nodeset: centos-8-stream
+    nodeset: centos-9-stream
     required-projects:
       - openstack/keystone
     vars:

zuul.d/project.yaml

@@ -9,38 +9,26 @@
         - bifrost-tox-linters
         - bifrost-integration-tinyipa-centos-9
         - bifrost-integration-tinyipa-ubuntu-focal
-        - bifrost-integration-tinyipa-centos-8
         - bifrost-integration-tinyipa-keystone-ubuntu-focal
-        - bifrost-integration-tinyipa-keystone-centos-8
         - bifrost-integration-tinyipa-keystone-centos-9
         - bifrost-integration-tinyipa-debian-bullseye
         - bifrost-integration-redfish-vmedia-uefi-ubuntu-focal
-        - bifrost-integration-redfish-vmedia-uefi-centos-8
         - bifrost-integration-redfish-vmedia-uefi-centos-9
         - bifrost-upgrade-ubuntu-focal
-        - bifrost-upgrade-keystone-centos8
+        # FIXME(dtantsur): make this voting when Yoga is fixed
+        - bifrost-upgrade-keystone-centos9:
+            voting: false
         # Non-voting jobs
-        - bifrost-integration-tinyipa-ubuntu-bionic:
-            voting: false
-        - bifrost-integration-tinyipa-opensuse-15:
-            voting: false
         - bifrost-integration-tinyipa-fedora-latest:
             voting: false
-        #NOTE(rpittau): remove buster support in Z or later
-        - bifrost-integration-tinyipa-debian-buster:
-            voting: false
         - bifrost-integration-redfish-uefi-fedora-latest:
             voting: false
         - bifrost-integration-dhcp-ubuntu-focal:
             voting: false
-        - bifrost-integration-dhcp-centos-8:
-            voting: false
         - bifrost-integration-dhcp-centos-9:
             voting: false
         - bifrost-integration-dibipa-debian-ubuntu-focal:
             voting: false
-        - bifrost-integration-dibipa-debian-centos-8:
-            voting: false
         - bifrost-integration-dibipa-debian-centos-9:
             voting: false
         - bifrost-cli-ubuntu-focal:
@@ -68,16 +56,13 @@
         - bifrost-tox-linters
         - bifrost-integration-tinyipa-centos-9
         - bifrost-integration-tinyipa-ubuntu-focal
-        - bifrost-integration-tinyipa-centos-8
         - bifrost-integration-tinyipa-keystone-ubuntu-focal
-        - bifrost-integration-tinyipa-keystone-centos-8
         - bifrost-integration-tinyipa-keystone-centos-9
         - bifrost-integration-tinyipa-debian-bullseye
         - bifrost-integration-redfish-vmedia-uefi-ubuntu-focal
-        - bifrost-integration-redfish-vmedia-uefi-centos-8
         - bifrost-integration-redfish-vmedia-uefi-centos-9
         - bifrost-upgrade-ubuntu-focal
-        - bifrost-upgrade-keystone-centos8
+        # - bifrost-upgrade-keystone-centos9
     experimental:
       jobs:
-        - bifrost-benchmark-ironic
+        - bifrost-benchmark-ironic