From ead6a2375a8b8335bad97eed39bd5e8cd409ad20 Mon Sep 17 00:00:00 2001
From: root <holta@users.noreply.github.com>
Date: Sun, 18 Apr 2021 14:12:26 -0400
Subject: [PATCH 01/20] ansible-base (2.10) -> ansible-core (2.11+) transition
 very soon

---
 .travis.yml     | 17 ++++++++---------
 scripts/ansible | 35 +++++++++++++++++++++--------------
 2 files changed, 29 insertions(+), 23 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index aeed81a09..d22cabca1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,8 @@ addons:
       - sourceline: ppa:ansible/ansible
     packages:
 #      - python-pip    # @arky had used this starting in 2018
-      - ansible-base    # Install latest ansible-base e.g. 2.10.7+, similar to https://github.com/iiab/iiab/blob/master/scripts/ansible
-#      - python3-pymysql    # These 7-or-8 packages are not needed during this very rapid --syntax-check
+      - ansible-core    # MUCH FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
+#      - python3-pymysql    # These 7-or-8 packages are not needed during the very rapid --syntax-check (below)
 #      - python3-psycopg2
 #      - python3-passlib
 #      - python3-pip
@@ -20,14 +20,13 @@ addons:
 
 install:
 #  - scripts/ansible    # See #2105: fails to install latest Ansible (& ~4 Ansible Collections from collections.yml) due to Travis VM's disk layout/perms being different
-#  - pip install ansible    # SLOW/OVERWEIGHT: installs Ansible 3.0.0+ with ~80 Ansible Collections
-#  - pip install ansible-base    # ALSO WORKS (FASTER THAN ALL ABOVE!) e.g. if the above addons: / apt: section is commented out.  To install latest ansible-base e.g. 2.10.7+, similar to https://github.com/iiab/iiab/blob/master/scripts/ansible
-#  - pip3 install ansible-core    # APRIL 2021: ansible-base is being renamed to ansible-core -- latest version number is listed at https://pypi.org/project/ansible-core/
+#  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 3.1.0+ superset, with more than 80 (far more than we need) Ansible Collections
+#  - pip3 install ansible-core    # MUCH FASTER / MAY BE CONSIDERED IN FUTURE e.g. if above apt install of ansible-core is commented out.  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
   - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections
-  - "{ echo 'roles_path = ./roles/'; } >> ansible.cfg"    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
-#  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base install methods above (error arises due to '[defaults]' appearing twice)
-#  - cat ansible.cfg    # UNCOMMENT TO VERIFY!
-  - apt -a list ansible-base    # VERIFY ansible-base VERSIONS OFFERED BY apt
+  - echo 'roles_path = ./roles/' >> ansible.cfg"    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
+#  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base -> ansible-core install methods above (error arises due to '[defaults]' appearing twice)
+  - cat ansible.cfg    # VISUAL VERIFICATION OF ABOVE!
+  - apt -a list ansible-core    # VERIFY ansible-core VERSIONS OFFERED BY apt, from https://launchpad.net/~ansible/+archive/ubuntu/ansible
 
 script:
   - ansible-playbook tests/test.yml -i tests/inventory --syntax-check
diff --git a/scripts/ansible b/scripts/ansible
index 0aa812e25..9d7c8b2e6 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -9,9 +9,9 @@
 
 APT_PATH=/usr/bin     # Avoids problematic /usr/local/bin/apt on Linux Mint
 CURR_VER=undefined    # Ansible version you currently have installed
-GOOD_VER=2.10.8       # Orig for 'yum install [rpm]' & XO laptops (pip install)
+GOOD_VER=2.11.0       # Orig for 'yum install [rpm]' & XO laptops (pip install)
 
-# We install the latest 'ansible-base' from PPA, using an OS 'CODENAME' below:
+# We install the latest 'ansible-core' from PPA, using an OS 'CODENAME' below:
 # https://launchpad.net/~ansible/+archive/ubuntu/ansible
 
 # 'lsb_release -sc' gives Mint 20 codename 'ulyana' etc: (TOO FINE-GRAINED)
@@ -21,17 +21,23 @@ else
     CODENAME=focal     # Debian 11+, RaspiOS 11+, Ubuntu 20.04+, Mint 20+ (ETC)
 fi
 
-# 'ansible-base' being renamed 'ansible-code' early in 2021. RELEASE LINK REFS:
-# http://ppa.launchpad.net/ansible/ansible/ubuntu/pool/main/a/ansible-base/
-# https://launchpad.net/~ansible/+archive/ubuntu/ansible-2.10
-# https://github.com/ansible/ansible/commits/stable-2.10/changelogs/CHANGELOG-v2.10.rst
-# https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_11.rst
+# APRIL 2021 - ansible-base (2.10) is being renamed to ansible-core (2.11+):
 # https://www.ansible.com/blog/ansible-3.0.0-qa
 # https://github.com/ansible/ansible/releases
+# https://pypi.org/project/ansible-base/
+# https://pypi.org/project/ansible-core/
 # https://releases.ansible.com/ansible-base/
 # https://releases.ansible.com/ansible-core/
+# https://launchpad.net/~ansible/+archive/ubuntu/ansible-2.10
+# https://launchpad.net/~ansible/+archive/ubuntu/ansible-2.11 ?
+# http://ppa.launchpad.net/ansible/ansible/ubuntu/pool/main/a/ansible-base/
+# http://ppa.launchpad.net/ansible/ansible/ubuntu/pool/main/a/ansible-core/ ?
+# https://github.com/ansible/ansible/blob/stable-2.10/changelogs/CHANGELOG-v2.10.rst
+# https://github.com/ansible/ansible/blob/stable-2.11/changelogs/CHANGELOG-v2.11.rst
+# https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_10.rst
+# https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_11.rst
 
-# FYI .travis.yml installs ansible-base in a slightly different way (PR #2689).
+# FYI .travis.yml installs ansible-core in a slightly different way (PR #2689).
 
 # IIAB implementers might instead consider these 4 GENERAL TECHNIQUES below
 # ("in an emergency!") e.g. if apt fails & you need a newer/older Ansible:
@@ -65,6 +71,7 @@ echo -e "\n\nYOU ARE RUNNING: /opt/iiab/iiab/scripts/ansible (TO INSTALL ANSIBLE
 echo -e "RECOMMENDED PREREQUISITES:"
 echo -e "(1) Verify you're online"
 echo -e "(2) Remove all prior versions of Ansible using..."
+echo -e "    'apt purge ansible-core'  and/or  'pip3 uninstall ansible-core'  and/or"
 echo -e "    'apt purge ansible-base'  and/or  'pip3 uninstall ansible-base'  and/or"
 echo -e "    'apt purge ansible'       and/or  'pip uninstall ansible'"
 echo -e "(3) Remove all lines containing 'ansible' from..."
@@ -82,7 +89,7 @@ if [ $(command -v ansible) ]; then    # "command -v" is POSIX compliant; also ca
 else
     echo -e "ANSIBLE NOT FOUND ON THIS COMPUTER -- LET'S TRY TO INSTALL IT!"
 fi
-echo -e "(Internet-in-a-Box requests ansible-base $GOOD_VER or higher)\n"
+echo -e "(Internet-in-a-Box requests ansible-core $GOOD_VER or higher)\n"
 
 # Code above designed to work on all Linux distributions, to preserve options,
 # in support of any volunteer(s) wanting to port IIAB to a new Linux/distro.
@@ -118,10 +125,10 @@ echo -e "IF *OTHER* ANSIBLE SOURCES APPEAR BELOW, PLEASE MANUALLY REMOVE THEM TO
 echo -e 'ENSURE ANSIBLE UPDATES CLEANLY: (then re-run this script to be sure!)\n'
 grep '^deb .*ansible' /etc/apt/sources.list /etc/apt/sources.list.d/*.list | grep -v '^/etc/apt/sources.list.d/iiab-ansible.list:' || true    # Override bash -e (instead of aborting at 1st error)
 
-echo -e "\napt update; apt install ansible-base and python3 dependencies explained at:"
+echo -e "\napt update; apt install ansible-core and python3 dependencies explained at:"
 echo -e "https://github.com/iiab/iiab/tree/master/scripts/ansible.md\n"
 $APT_PATH/apt update
-$APT_PATH/apt -y --allow-downgrades install ansible-base \
+$APT_PATH/apt -y --allow-downgrades install ansible-core \
               python3-pymysql python3-psycopg2 python3-passlib python3-pip \
               python3-setuptools python3-packaging python3-venv virtualenv
 
@@ -140,7 +147,7 @@ ansible-galaxy collection install --force-with-deps \
 #    /usr/share/ansible/collections/ansible_collections
 
 echo -e "\n\nCreating/verifying directory /etc/ansible & installing /etc/ansible/hosts\n"
-mkdir -p /etc/ansible
-echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts
+mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
+echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts
 
-echo -e "SUCCESS: VERIFY ANSIBLE WITH 'ansible --version' & 'apt -a list ansible-base'\n\n"
+echo -e "SUCCESS: VERIFY ANSIBLE WITH 'ansible --version' & 'apt -a list ansible-core'\n\n"

From 58b972cdf7d4bb190f48feeb6483857315acd4d1 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Sun, 18 Apr 2021 16:20:08 -0400
Subject: [PATCH 02/20] scripts/ansible: further explain .travis.yml

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 9d7c8b2e6..9e407cee9 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -37,7 +37,7 @@ fi
 # https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_10.rst
 # https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_11.rst
 
-# FYI .travis.yml installs ansible-core in a slightly different way (PR #2689).
+# FYI .travis.yml installs ansible-core in a slightly different way (PRs #2689, #2742).
 
 # IIAB implementers might instead consider these 4 GENERAL TECHNIQUES below
 # ("in an emergency!") e.g. if apt fails & you need a newer/older Ansible:

From 605adceebc2e98a1e2ccf39c89ffeb1ce51ad51a Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 19 Apr 2021 10:52:14 -0400
Subject: [PATCH 03/20] Update .travis.yml

---
 .travis.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d22cabca1..fe6acd878 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,12 +4,12 @@ dist: focal
 
 addons:
   apt:
-    sources:
-      - sourceline: ppa:ansible/ansible
+#    sources:
+#      - sourceline: ppa:ansible/ansible
     packages:
 #      - python-pip    # @arky had used this starting in 2018
-      - ansible-core    # MUCH FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
-#      - python3-pymysql    # These 7-or-8 packages are not needed during the very rapid --syntax-check (below)
+#      - ansible-core    # MUCH FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
+#      - python3-pymysql    # These 7-or-8 packages (below) are not needed during the very rapid --syntax-check (bottom)
 #      - python3-psycopg2
 #      - python3-passlib
 #      - python3-pip
@@ -21,7 +21,7 @@ addons:
 install:
 #  - scripts/ansible    # See #2105: fails to install latest Ansible (& ~4 Ansible Collections from collections.yml) due to Travis VM's disk layout/perms being different
 #  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 3.1.0+ superset, with more than 80 (far more than we need) Ansible Collections
-#  - pip3 install ansible-core    # MUCH FASTER / MAY BE CONSIDERED IN FUTURE e.g. if above apt install of ansible-core is commented out.  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
+  - pip3 install ansible-core    # MUCH FASTER / MAY BE CONSIDERED IN FUTURE e.g. if above apt install of ansible-core is commented out.  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
   - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections
   - echo 'roles_path = ./roles/' >> ansible.cfg"    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
 #  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base -> ansible-core install methods above (error arises due to '[defaults]' appearing twice)

From ac9ad2ef01d9484d90867ae760dc7a58d1761321 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 19 Apr 2021 10:57:07 -0400
Subject: [PATCH 04/20] Big: remove trailing " in .travis.yml

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index fe6acd878..b1ebff06a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install:
 #  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 3.1.0+ superset, with more than 80 (far more than we need) Ansible Collections
   - pip3 install ansible-core    # MUCH FASTER / MAY BE CONSIDERED IN FUTURE e.g. if above apt install of ansible-core is commented out.  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
   - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections
-  - echo 'roles_path = ./roles/' >> ansible.cfg"    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
+  - echo 'roles_path = ./roles/' >> ansible.cfg    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
 #  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base -> ansible-core install methods above (error arises due to '[defaults]' appearing twice)
   - cat ansible.cfg    # VISUAL VERIFICATION OF ABOVE!
   - apt -a list ansible-core    # VERIFY ansible-core VERSIONS OFFERED BY apt, from https://launchpad.net/~ansible/+archive/ubuntu/ansible

From f7ee26ddfd46c8aa8df29d01e8cb30748be43305 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 19 Apr 2021 11:07:50 -0400
Subject: [PATCH 05/20] scripts/ansible: "pip3 install ansible-core"
 interim/alternative

---
 scripts/ansible | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 9e407cee9..f405769fa 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -128,7 +128,10 @@ grep '^deb .*ansible' /etc/apt/sources.list /etc/apt/sources.list.d/*.list | gre
 echo -e "\napt update; apt install ansible-core and python3 dependencies explained at:"
 echo -e "https://github.com/iiab/iiab/tree/master/scripts/ansible.md\n"
 $APT_PATH/apt update
-$APT_PATH/apt -y --allow-downgrades install ansible-core \
+apt install python3-pip
+pip3 install ansible-core
+#$APT_PATH/apt -y --allow-downgrades install ansible-core \
+$APT_PATH/apt -y --allow-downgrades install \
               python3-pymysql python3-psycopg2 python3-passlib python3-pip \
               python3-setuptools python3-packaging python3-venv virtualenv
 

From 436e30726a447332a8ba3b3591d6d998b751ef4c Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 19 Apr 2021 11:29:42 -0400
Subject: [PATCH 06/20] Experiment: do not create directory /etc/ansible &
 /etc/ansible/hosts

---
 scripts/ansible | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/ansible b/scripts/ansible
index f405769fa..55102f0e7 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -149,8 +149,8 @@ ansible-galaxy collection install --force-with-deps \
 # But going forward they'll be stored herein:
 #    /usr/share/ansible/collections/ansible_collections
 
-echo -e "\n\nCreating/verifying directory /etc/ansible & installing /etc/ansible/hosts\n"
-mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
-echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts
+#echo -e "\n\nCreating/verifying directory /etc/ansible & installing /etc/ansible/hosts\n"
+#mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
+#echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts
 
 echo -e "SUCCESS: VERIFY ANSIBLE WITH 'ansible --version' & 'apt -a list ansible-core'\n\n"

From 4d25baa6c07fd2ec343a7cb8b9821ff26436b563 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 19 Apr 2021 11:41:11 -0400
Subject: [PATCH 07/20] scripts/ansible: "$APT_PATH/apt -y install python3-pip"

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 55102f0e7..e2c427f1d 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -128,7 +128,7 @@ grep '^deb .*ansible' /etc/apt/sources.list /etc/apt/sources.list.d/*.list | gre
 echo -e "\napt update; apt install ansible-core and python3 dependencies explained at:"
 echo -e "https://github.com/iiab/iiab/tree/master/scripts/ansible.md\n"
 $APT_PATH/apt update
-apt install python3-pip
+$APT_PATH/apt -y install python3-pip
 pip3 install ansible-core
 #$APT_PATH/apt -y --allow-downgrades install ansible-core \
 $APT_PATH/apt -y --allow-downgrades install \

From 34bca59a8c693198a55dd9325ff8725884ab96f3 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 28 Apr 2021 10:08:16 -0400
Subject: [PATCH 08/20] Update .travis.yml

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index b1ebff06a..2f8cf2a68 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ addons:
 #      - sourceline: ppa:ansible/ansible
     packages:
 #      - python-pip    # @arky had used this starting in 2018
-#      - ansible-core    # MUCH FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
+#      - ansible-core    # FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
 #      - python3-pymysql    # These 7-or-8 packages (below) are not needed during the very rapid --syntax-check (bottom)
 #      - python3-psycopg2
 #      - python3-passlib

From 3422ec1369b599d31f0157a7a90ef7e3d3c5bcbd Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 3 May 2021 20:56:44 -0400
Subject: [PATCH 09/20] scripts/ansible: further clarify ansible-base 2.10.9

---
 scripts/ansible | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/ansible b/scripts/ansible
index 5e08e3125..2b36eba36 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -48,8 +48,9 @@ fi
 #apt install python3-pymysql python3-psycopg2 python3-passlib python3-pip python3-setuptools python3-packaging python3-venv virtualenv
 #ansible-galaxy collection install -r collections.yml
 
-# TEMPORARILY USE ansible-base 2.10.8 (REMOVE W/ "pip3 uninstall ansible-base")
-#pip3 install ansible-base==2.10.8   # Start new shell, so /usr/local/bin works
+# TEMPORARILY USE ansible-base 2.10.9 (REMOVE W/ "pip3 uninstall ansible-base")
+#apt install python3-pip
+#pip3 install ansible-base==2.10.9   # Start new shell, so /usr/local/bin works
 
 # TEMPORARILY USE ANSIBLE 2.9.20 (REMOVE IT WITH "pip uninstall ansible")
 #apt install python-pip

From 87c9fe1c534c9aeddff7767390a80759f0b522e4 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 3 May 2021 21:00:08 -0400
Subject: [PATCH 10/20] scripts/ansible: clarify python3-pip & pip3

---
 scripts/ansible | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/ansible b/scripts/ansible
index 2b36eba36..3e8fb68cf 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -44,6 +44,7 @@ fi
 
 # TEMPORARILY USE pip3 to install the latest ansible-core as listed at
 # https://pypi.org/project/ansible-core/ (REMOVE W/ "pip3 uninstall ansible-core")
+#apt install python3-pip
 #pip3 install ansible-core    # Then start a new shell, so /usr/local/bin works
 #apt install python3-pymysql python3-psycopg2 python3-passlib python3-pip python3-setuptools python3-packaging python3-venv virtualenv
 #ansible-galaxy collection install -r collections.yml
@@ -53,8 +54,8 @@ fi
 #pip3 install ansible-base==2.10.9   # Start new shell, so /usr/local/bin works
 
 # TEMPORARILY USE ANSIBLE 2.9.20 (REMOVE IT WITH "pip uninstall ansible")
-#apt install python-pip
-#pip install ansible==2.9.20
+#apt install python3-pip
+#pip3 install ansible==2.9.20
 
 # TEMPORARILY USE ANSIBLE 2.4.2 DUE TO 2.4.3 MEMORY BUG. Details: iiab/iiab#669
 #echo "Install http://download.iiab.io/packages/ansible_2.4.2.0-1ppa~xenial_all.deb"

From 647efb42e938e1cb2189c09dda42b8bebdb1f909 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 3 May 2021 21:03:49 -0400
Subject: [PATCH 11/20] scripts/ansible: further clarify pip -> pip3

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 3e8fb68cf..4ccb132f4 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -75,7 +75,7 @@ echo -e "(1) Verify you're online"
 echo -e "(2) Remove all prior versions of Ansible using..."
 echo -e "    'apt purge ansible-core'  and/or  'pip3 uninstall ansible-core'  and/or"
 echo -e "    'apt purge ansible-base'  and/or  'pip3 uninstall ansible-base'  and/or"
-echo -e "    'apt purge ansible'       and/or  'pip uninstall ansible'"
+echo -e "    'apt purge ansible'       and/or  'pip3 uninstall ansible'"
 echo -e "(3) Remove all lines containing 'ansible' from..."
 echo -e "    /etc/apt/sources.list and /etc/apt/sources.list.d/*\n"
 

From f967a9ad2474f1df963ba2dcf4a03f02fec3a1a0 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Mon, 3 May 2021 21:07:14 -0400
Subject: [PATCH 12/20] scripts/ansible clarifs: /etc/ansible/hosts not needed,
 etc

---
 scripts/ansible | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/ansible b/scripts/ansible
index 4ccb132f4..545a14d59 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -163,6 +163,7 @@ ansible-galaxy collection install --force-with-deps \
 # But going forward they'll be stored herein:
 #    /usr/share/ansible/collections/ansible_collections
 
+# 2021-04-19: No longer needed, per PR #2743 testing
 #echo -e "\n\nCreating/verifying directory /etc/ansible & installing /etc/ansible/hosts\n"
 #mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
 #echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts

From 9e5582baec89670b2fee3452c2571bc830e522a1 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 10:09:07 -0400
Subject: [PATCH 13/20] Update .travis.yml

---
 .travis.yml | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2f8cf2a68..4535fb222 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,9 @@ addons:
 #      - sourceline: ppa:ansible/ansible
     packages:
 #      - python-pip    # @arky had used this starting in 2018
-#      - ansible-core    # FASTER pip3 OPTION IS BELOW.  Conversely: apt (SLOW WAY) may be desired in future to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible for linting etc?
-#      - python3-pymysql    # These 7-or-8 packages (below) are not needed during the very rapid --syntax-check (bottom)
+#      - python3-pip    # Modern equivalent (not nec here on Travis?)
+#      - ansible-core    # SLOW.  WHEN IT WORKS AT ALL.  Using 'pip3 install ansible-core' instead (below) is faster and greatly simplifies.  Certainly let's try to mimic https://github.com/iiab/iiab/blob/master/scripts/ansible (as it evolves) for linting etc?
+#      - python3-pymysql    # These 7-or-8 packages (below) are not needed during the very rapid --syntax-check (core script, at bottom)
 #      - python3-psycopg2
 #      - python3-passlib
 #      - python3-pip
@@ -20,13 +21,13 @@ addons:
 
 install:
 #  - scripts/ansible    # See #2105: fails to install latest Ansible (& ~4 Ansible Collections from collections.yml) due to Travis VM's disk layout/perms being different
-#  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 3.1.0+ superset, with more than 80 (far more than we need) Ansible Collections
-  - pip3 install ansible-core    # MUCH FASTER / MAY BE CONSIDERED IN FUTURE e.g. if above apt install of ansible-core is commented out.  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
+#  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 4.0.0+ superset, with more than 80 (far more than we need) Ansible Collections
+  - pip3 install ansible-core    # SIGNIFICANTLY FASTER than above apt install of ansible-core (in 'packages:' section above).  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
   - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections
   - echo 'roles_path = ./roles/' >> ansible.cfg    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
 #  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base -> ansible-core install methods above (error arises due to '[defaults]' appearing twice)
   - cat ansible.cfg    # VISUAL VERIFICATION OF ABOVE!
-  - apt -a list ansible-core    # VERIFY ansible-core VERSIONS OFFERED BY apt, from https://launchpad.net/~ansible/+archive/ubuntu/ansible
+#  - apt -a list ansible-core    # VERIFY ansible-core VERSIONS OFFERED BY apt, from https://launchpad.net/~ansible/+archive/ubuntu/ansible
 
 script:
   - ansible-playbook tests/test.yml -i tests/inventory --syntax-check

From 3771b910daecda76777b0f9e66943da14edc944e Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 10:14:26 -0400
Subject: [PATCH 14/20] scripts/ansible: Touch up comment

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 9e05ed8c5..9de026042 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -21,7 +21,7 @@ else
     CODENAME=focal     # Debian 11+, RaspiOS 11+, Ubuntu 20.04+, Mint 20+ (ETC)
 fi
 
-# APRIL 2021 - ansible-base (2.10) is being renamed to ansible-core (2.11+):
+# APRIL 2021 - ansible-base (2.10) was renamed to ansible-core (2.11+):
 # https://www.ansible.com/blog/ansible-3.0.0-qa
 # https://github.com/ansible/ansible/releases
 # https://pypi.org/project/ansible-base/

From 56f08958fe82fa7980f53fb75876b4dca93bb80f Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 10:17:37 -0400
Subject: [PATCH 15/20] scripts/ansible: Touch up comment

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 9de026042..5a025070a 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -37,7 +37,7 @@ fi
 # https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_10.rst
 # https://github.com/ansible/ansible/blob/devel/docs/docsite/rst/roadmap/ROADMAP_2_11.rst
 
-# FYI .travis.yml installs ansible-core in a slightly different way (PRs #2689, #2742).
+# FYI .travis.yml installs ansible-core in a slightly different way (PRs #2689, #2742 or #2743 ?)
 
 # IIAB implementers might instead consider these 4 GENERAL TECHNIQUES below
 # ("in an emergency!") e.g. if apt fails & you need a newer/older Ansible:

From 5b2994ef3357c92e19c02f9e886d843a3dbb7690 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 10:58:01 -0400
Subject: [PATCH 16/20] scripts/ansible: Touch up operator explanation

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 5a025070a..7ea757cbd 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -168,4 +168,4 @@ ansible-galaxy collection install --force-with-deps \
 #mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
 #echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts
 
-echo -e "SUCCESS: VERIFY ANSIBLE WITH 'ansible --version' & 'apt -a list ansible-core'\n\n"
+echo -e "SUCCESS: VERIFY WITH 'ansible --version' (and 'apt -a list ansible-core' ?)\n\n"

From 9b4b31b3697f60e856b351fe4498e0849443e08f Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 11:02:38 -0400
Subject: [PATCH 17/20] scripts/ansible: Fix explanatory URL to
 scripts/ansible.md

---
 scripts/ansible | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index 7ea757cbd..d1f0068c6 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -140,7 +140,7 @@ echo -e 'ENSURE ANSIBLE UPDATES CLEANLY: (then re-run this script to be sure!)\n
 grep '^deb .*ansible' /etc/apt/sources.list /etc/apt/sources.list.d/*.list | grep -v '^/etc/apt/sources.list.d/iiab-ansible.list:' || true    # Override bash -e (instead of aborting at 1st error)
 
 echo -e "\napt update; apt install ansible-core and python3 dependencies explained at:"
-echo -e "https://github.com/iiab/iiab/tree/master/scripts/ansible.md\n"
+echo -e "https://github.com/iiab/iiab/blob/master/scripts/ansible.md\n"
 $APT_PATH/apt update
 $APT_PATH/apt -y install python3-pip
 pip3 install ansible-core

From 58ee527fa5b02a7a4471443c6b6a602460744ca7 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 11:38:58 -0400
Subject: [PATCH 18/20] Crystal Ball: Explain interim 'pip3 install
 ansible-core' at top of scripts/ansible

---
 scripts/ansible | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scripts/ansible b/scripts/ansible
index d1f0068c6..eacd3e156 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -11,6 +11,16 @@ APT_PATH=/usr/bin     # Avoids problematic /usr/local/bin/apt on Linux Mint
 CURR_VER=undefined    # Ansible version you currently have installed
 GOOD_VER=2.11.0       # Orig for 'yum install [rpm]' & XO laptops (pip install)
 
+# 2021-05-19 PR #2743: As a result of Ansible / Red Hat / IBM's extensive
+# delays in publishing the PPA (.deb installer files) for ansible-core, this
+# file bypasses the apt approach (and associated PPA source) in favor of:
+#
+# pip3 install ansible-core
+#
+# What the future holds for 2022+ is not yet clear.  So the apt approach (with
+# PPA source in /etc/apt/sources.list.d and .gpg key etc) and much associated
+# guidance/comments below are NOT being commented out or deleted at this time.
+
 # We install the latest 'ansible-core' from PPA, using an OS 'CODENAME' below:
 # https://launchpad.net/~ansible/+archive/ubuntu/ansible
 

From c26261752f2ff91b923e536b57f8bd629aaddd23 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 12:28:14 -0400
Subject: [PATCH 19/20] Better explain how to verify your Ansible
 version/installation

---
 scripts/ansible | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/scripts/ansible b/scripts/ansible
index eacd3e156..3bdf09f8c 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -178,4 +178,7 @@ ansible-galaxy collection install --force-with-deps \
 #mkdir -p /etc/ansible    # LIKELY REDUNDANT, due to above installation of Ansible
 #echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts    # LIKELY REDUNDANT, due to https://github.com/iiab/iiab/blob/master/ansible_hosts
 
-echo -e "SUCCESS: VERIFY WITH 'ansible --version' (and 'apt -a list ansible-core' ?)\n\n"
+echo -e "SUCCESS INSTALLING ANSIBLE!  PLEASE VERIFY WITH COMMANDS LIKE:"
+echo -e "    ansible --version"
+echo -e "    pip show ansible-core"
+echo -e "    apt -a list ansible-core\n\n"

From cb894b1a6ce27cb15944e05efbe416e508874b02 Mon Sep 17 00:00:00 2001
From: A Holt <holta@users.noreply.github.com>
Date: Wed, 19 May 2021 12:53:43 -0400
Subject: [PATCH 20/20] .travis.yml: Refine explanations

---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 4535fb222..83c8131d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,8 +22,8 @@ addons:
 install:
 #  - scripts/ansible    # See #2105: fails to install latest Ansible (& ~4 Ansible Collections from collections.yml) due to Travis VM's disk layout/perms being different
 #  - pip3 install ansible    # SLOW / OVERWEIGHT: installs Ansible 4.0.0+ superset, with more than 80 (far more than we need) Ansible Collections
-  - pip3 install ansible-core    # SIGNIFICANTLY FASTER than above apt install of ansible-core (in 'packages:' section above).  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
-  - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections
+  - pip3 install ansible-core    # SIGNIFICANTLY FASTER than apt install of ansible-core (in 'packages:' section above).  APRIL 2021: ansible-base (2.10) was renamed to ansible-core (2.11+) with the latest version number shown at https://pypi.org/project/ansible-core/
+  - ansible-galaxy collection install -r collections.yml    # Install ~4 Ansible Collections.  Slow but nec, as per https://github.com/iiab/iiab/blob/master/scripts/ansible
   - echo 'roles_path = ./roles/' >> ansible.cfg    # Add correct roles_path to ansible.cfg, appending to https://github.com/iiab/iiab/blob/master/ansible.cfg
 #  - "{ echo '[defaults]'; echo 'roles_path = ./roles/'; } >> ansible.cfg"    # 2021-02-24: suddenly no longer works, with the newer ansible-base -> ansible-core install methods above (error arises due to '[defaults]' appearing twice)
   - cat ansible.cfg    # VISUAL VERIFICATION OF ABOVE!