Remove support for Ubuntu Xenial and Debian Stretch

They're broken already, no point in officially supporting them.
Bring support back would require supporting Python 3.5 and other
old packages.

Change-Id: I8012f0cdf2430723379367eb6ab49c3fc0b3d32a

doc/source/install/index.rst

@@ -20,7 +20,7 @@ Installation and use of bifrost is split into roughly three steps:
 
 Supported operating systems:
 
-* Ubuntu 16.04, 18.04
+* Ubuntu 18.04
 * Red Hat Enterprise Linux (RHEL) 8
 * CentOS 8
 * openSUSE Leap 15.1

doc/source/user/howto.rst

@@ -275,7 +275,7 @@ Bifrost supports the ability for a user to build a custom IPA ramdisk
 utilizing diskimage-builder and ironic-python-agent-builder. In order
 to utilize this feature, the ``download_ipa`` setting must be set to ``false``
 and the create_ipa_image must be set to "true".  By default, the install
-playbook will build a Debian stretch based IPA image, if a pre-existing IPA
+playbook will build a Debian Buster based IPA image, if a pre-existing IPA
 image is not present on disk. If you wish to explicitly set a specific release
 to be passed to diskimage-create, then the setting ``dib_os_release`` can be
 set in addition to ``dib_os_element``.

doc/source/user/vagrant.rst

@@ -40,7 +40,7 @@ Setup vagrant by:
 
 Configure Vagrant with the correct box::
 
-  vagrant box add ubuntu/xenial64
+  vagrant box add ubuntu/bionic64
 
 Clone bifrost repo::
 

playbooks/roles/bifrost-configdrives-dynamic/meta/main.yml

@@ -11,11 +11,9 @@ galaxy_info:
     - 8
   - name: Ubuntu
     versions:
-    - xenial
     - bionic
   - name: Debian
     versions:
-    - stretch
     - buster
   categories:
   - cloud

playbooks/roles/bifrost-create-dib-image/README.md

@@ -59,9 +59,9 @@ dib_os_release can be utilized to set the DIB_RELEASE environment
 variable for semi-dynamic disk image creation by a user or the
 test script.  By default, it is not set, but an example if
 dib_os_element is set to ``debian``, then a user could choose
-the ``stretch`` release.
+the ``buster`` release.
 
-dib_os_release: stretch
+dib_os_release: buster
 
 All the other command-line options to disk-image-create or
 ramdisk-image-create can be used by the role. The following is a list

playbooks/roles/bifrost-create-dib-image/meta/main.yml

@@ -11,11 +11,9 @@ galaxy_info:
     - 8
   - name: Debian
     versions:
-    - stretch
     - buster
   - name: Ubuntu
     versions:
-    - xenial
     - bionic
   categories:
   - cloud

playbooks/roles/bifrost-create-dib-image/tasks/main.yml

@@ -111,9 +111,9 @@
   set_fact:
     dib_packages_arg: "-p {{dib_packages}}"
   when: dib_packages is defined and dib_packages != ""
-- name: "Set default of Debian Stretch if building debian and not explicitly set, overwride with dib_os_release setting"
+- name: "Set default of Debian Buster if building debian and not explicitly set, overwride with dib_os_release setting"
   set_fact:
-    dib_os_release: "stretch"
+    dib_os_release: "buster"
   when: dib_os_element == "debian" and dib_os_release is undefined
 - name: "Initialize DIB source-repository variables"
   set_fact:

playbooks/roles/bifrost-create-vm-nodes/meta/main.yml

@@ -11,11 +11,9 @@ galaxy_info:
     - 8
   - name: Debian
     versions:
-    - stretch
     - buster
   - name: Ubuntu
     versions:
-    - xenial
     - bionic
   categories:
   - cloud

playbooks/roles/bifrost-deploy-nodes-dynamic/meta/main.yml

@@ -11,11 +11,9 @@ galaxy_info:
     - 8
   - name: Debian
     versions:
-    - stretch
     - buster
   - name: Ubuntu
     versions:
-    - xenial
     - bionic
   categories:
   - cloud

playbooks/roles/bifrost-ironic-install/defaults/required_defaults_Ubuntu_16.04.yml

@@ -1,36 +0,0 @@
----
-init_template: systemd_template.j2
-init_dest_dir: /lib/systemd/system/
-init_ext: .service
-required_packages:
-  - mariadb-server
-  - python3-dev
-  - python3-mysqldb
-  - python3-pymysql
-  - python3-setuptools
-  - libffi-dev
-  - libxslt1-dev
-  - libssl-dev
-  - libxml2-dev
-  - ipxe
-  - tftpd-hpa
-  - tftp-hpa
-  - xinetd
-  - parted
-  - iptables
-  - bsdmainutils
-  - ipmitool
-  - psmisc
-  - nginx
-  - wget
-  - genisoimage
-  - kpartx
-  - qemu-utils
-  - debootstrap
-  - uuid-runtime
-  - curl
-  - dnsmasq
-# NOTE(TheJulia): The above entry for dnsmasq must be the last entry in the
-# package list as the installation causes name resolution changes that can
-# temporarily block packages following it while the system is being
-# reconfigured. See: https://review.opendev.org/#/c/223813

playbooks/roles/bifrost-keystone-install/defaults/required_defaults_Ubuntu_18.04.yml

@@ -1,19 +0,0 @@
----
-init_template: systemd_template.j2
-init_dest_dir: /lib/systemd/system/
-init_ext: .service
-required_packages:
-  - mariadb-server
-  - python3-dev
-  - python3-mysqldb
-  - python3-pymysql
-  - python3-setuptools
-  - libffi-dev
-  - libxslt1-dev
-  - libssl-dev
-  - libxml2-dev
-  - nginx
-  - uwsgi
-  - uwsgi-core
-  # - python-django-uwsgi - This may not be needed
-  - uwsgi-plugin-python3

playbooks/roles/bifrost-keystone-install/meta/main.yml

@@ -6,9 +6,15 @@ galaxy_info:
   license: Apache
   min_ansible_version: 2.1
   platforms:
+  - name: EL
+    versions:
+    - 8
   - name: Ubuntu
     versions:
-    - xenial
+    - bionic
+  - name: Debian
+    versions:
+    - buster
   categories:
   - cloud
   - cloud:openstack

playbooks/test-bifrost.yaml

@@ -77,9 +77,9 @@
     # NOTE(TheJulia): While the next step creates a ramdisk, some elements
     # do not support ramdisk-image-create as they invoke steps to cleanup
     # the ramdisk which causes ramdisk-image-create to believe it failed.
-    - { role: bifrost-create-dib-image, dib_imagename: "{{ http_boot_folder }}/ipa", build_ramdisk: false, dib_os_element: "{{ ipa_dib_os_element|default('debian') }}", dib_os_release: "stretch", dib_elements: "ironic-python-agent-ramdisk {{ ipa_extra_dib_elements | default('') }}", dib_packages: "bsdmainutils", when: create_ipa_image | bool }
+    - { role: bifrost-create-dib-image, dib_imagename: "{{ http_boot_folder }}/ipa", build_ramdisk: false, dib_os_element: "{{ ipa_dib_os_element|default('debian') }}", dib_os_release: "buster", dib_elements: "ironic-python-agent-ramdisk {{ ipa_extra_dib_elements | default('') }}", dib_packages: "bsdmainutils", when: create_ipa_image | bool }
     # NOTE(TheJulia): This creates the guest image.
-    - { role: bifrost-create-dib-image, dib_imagetype: "qcow2", dib_imagename: "{{deploy_image}}", dib_os_element: "debian", dib_os_release: "stretch", dib_elements: "vm enable-serial-console simple-init {{ extra_dib_elements|default('') }}", when: create_image_via_dib | bool and not transform_boot_image | bool }
+    - { role: bifrost-create-dib-image, dib_imagetype: "qcow2", dib_imagename: "{{deploy_image}}", dib_os_element: "debian", dib_os_release: "buster", dib_elements: "vm enable-serial-console simple-init {{ extra_dib_elements|default('') }}", when: create_image_via_dib | bool and not transform_boot_image | bool }
     - role: bifrost-keystone-client-config
       user: "{{ ansible_env.SUDO_USER | default(ansible_user_id) }}"
       clouds:

releasenotes/notes/no-xenial-1c27b7bb2cf165ed.yaml

@@ -0,0 +1,6 @@
+---
+other:
+  - |
+    Support for Ubuntu Xenial and Debian Stretch has been officially removed
+    (Bifrost has been broken on them since Ussuri because of the transition
+    to Python 3.6).