Tons of updates including erpnext, fusionauth, kong, elasticsearch, postgres-12, opennebula-5.10...

db/postgresql-12/tasks/configure-linux.yml

@@ -0,0 +1,30 @@
+---
+# Enable Memory Overcommit /etc/sysctl.conf vm.overcommit_memory=2
+# https://www.postgresql.org/docs/12/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT
+# View with sysctl -a |grep overcommit
+- name: Enable Memory Overcommit /etc/sysctl.conf vm.overcommit_memory=2
+  sysctl:
+    name: vm.overcommit_memory
+    value: '2'
+    reload: yes
+    state: present
+
+# PostgreSQL docs recommend tweaking vm.nr_hugepages by using some math like so
+# head -1 /var/lib/postgresql/12/main/postmaster.pid
+#   Gave me 14299 (this is the current process ID, can also us ps aux|grep postgres)
+# pmap 14299 | awk '/rw-s/ && /zero/ {print $2}'
+#   Substiture your process ID of course
+#   This gave me 145608K on a fresh install of postgres
+# grep ^Hugepagesize /proc/meminfo
+#   This gave me 2048KB
+# Now take 145608 / 2048 = 71.09
+# Now set sysctl -w vm.nr_hugepages=71
+
+# I however did not do this just yet.  Will wait once Postgres is actually used
+# before tweaking this type of setting
+# - NO, not yet name: Tweak vm.nr_hugepages according to some precalculated math
+#   sysctl:
+#     name: vm.nr_hugepages
+#     value: 2048
+#     reload: yes
+#     state: present

db/postgresql-12/tasks/install-debian.yml

@@ -0,0 +1,36 @@
+---
+# We use the official PostgreSQL repositories which contains many versions of PostgreSQL
+# Most of these versions will be newer than comes stock with debian
+
+# Add GPG keys
+- name: Addding PostgreSQL sources GPG key
+  apt_key: url='https://www.postgresql.org/media/keys/ACCC4CF8.asc' state=present
+
+# Add PostgreSQL repositories for Debian 9
+- name: Adding PostgreSQL sources for Debian 9 Jessie
+  apt_repository: repo='deb http://apt.postgresql.org/pub/repos/apt/ stretch-pgdg main' state=present
+  when: ansible_os_family == "Debian" and ansible_distribution_major_version == "9"
+
+# Add PostgreSQL repositories for Debian 10
+- name: Adding PostgreSQL sources for Debian 10 Jessie
+  apt_repository: repo='deb http://apt.postgresql.org/pub/repos/apt/ buster-pgdg main' state=present
+  when: ansible_os_family == "Debian" and ansible_distribution_major_version == "10"
+
+# Add PostgreSQL repositories for Ubuntu 16.04
+- name: Adding PostgreSQL sources for Ubuntu 16.04
+  apt_repository: repo='deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main' state=present
+  when: ansible_distribution == "Ubuntu" and ansible_distribution_version == "16.04"
+
+# Add PostgreSQL repositories for Ubuntu 19.04
+- name: Adding PostgreSQL sources for Ubuntu 18.04
+  apt_repository: repo='deb http://apt.postgresql.org/pub/repos/apt/ bionic-pgdg main' state=present
+  when: ansible_distribution == "Ubuntu" and ansible_distribution_version == "18.04"
+
+# Install PostgreSQL 12
+- name: Installing PostgreSQL 12
+  apt:
+    update_cache: yes
+    state: present
+    name:
+      - postgresql-12
+      - python-psycopg2 # Required for ansible postgres manipulation

db/postgresql-12/tasks/main.yml

@@ -0,0 +1,8 @@
+---
+# Configure Linux (agnostic)
+- include_tasks: configure-linux.yml
+
+# Install PostgreSQL 11 - Debian All Versions
+- include_tasks: install-debian.yml
+  when: ansible_os_family == "Debian"
+