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Sébastien Vallée 2018-02-10 22:59:26 +01:00
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Role Name
=========
A brief description of the role goes here.
Requirements
------------
Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
Role Variables
--------------
A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
Dependencies
------------
A list of other roles hosted on Galaxy should go here, plus any details in regards to parameters that may need to be set for other roles, or variables that are used from other roles.
Example Playbook
----------------
Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
- hosts: servers
roles:
- { role: username.rolename, x: 42 }
License
-------
BSD
Author Information
------------------
An optional section for the role authors to include contact information, or a website (HTML is not allowed).

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---
# defaults file for MicroJoe.post-install

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#!/bin/bash
# This file was copied from a Scaleway server and tweaked so that it does
# not depends on Scaleway-specific commands and file. It should run fine
# on non-Scaleway hosts.
export PATH="${PATH:+$PATH:}/bin:/usr/bin:/usr/local/bin"
[ -r /etc/lsb-release ] && . /etc/lsb-release
[ -r /etc/scw-release ] && . /etc/scw-release
if [ -z "$DISTRIB_DESCRIPTION" ] && [ -x /usr/bin/lsb_release ]; then
# Fall back to using the very slow lsb_release utility
DISTRIB_DESCRIPTION=$(lsb_release -s -d)
fi
date=`date`
load=`cat /proc/loadavg | awk '{print $1}'`
root_usage=`df -h / | awk '/\// {print $(NF-1)}'`
memory_usage=`free -m | awk '/Mem:/ { total=$2 } /buffers\/cache/ { used=$3 } END { printf("%3.1f%%", used/total*100)}'`
swap_usage=`free -m | awk '/Swap/ { printf("%3.1f%%", "exit !$2;$3/$2*100") }'`
users=`users | wc -w`
time=`uptime | grep -ohe 'up .*' | sed 's/,/\ hours/g' | awk '{ printf $2" "$3 }'`
processes=`ps aux | wc -l`
# Intermediate IP output for parsing public IPs (v4/v6)
ip=$(ip addr show $(ip route | grep default | cut -d' ' -f5))
# Global IPv4
ip4=$(echo "$ip" \
| grep "inet " \
| sed -e 's/^[ \t]*//' \
| cut -d' ' -f2 \
| cut -d/ -f1)
# Global IPv6
ip6=$(echo "$ip" \
| grep "inet6 " \
| grep "global" \
| sed -e 's/^[ \t]*//' \
| cut -d' ' -f2 \
| cut -d/ -f1)
KERNEL_VERSION=$(uname -r)
if [ -z "$IMAGE_DESCRIPTION" ]; then
source /etc/os-release
IMAGE_DESCRIPTION="$PRETTY_NAME"
fi
printf "\n"
[ -f /etc/motd.head ] && cat /etc/motd.head || true
printf "\n"
printf "Welcome on %s (%s %s %s)\n" "${IMAGE_DESCRIPTION}" "$(uname -o)" "${KERNEL_VERSION}" "$(uname -m)"
printf "System information as of: %s\n" "$date"
printf "\n"
printf "IPv4 Address:\t%s\n" $ip4
printf "IPv6 Address:\t%s\n" $ip6
printf "\n"
printf "System load:\t%s\t\tMemory usage:\t%s\n" $load $memory_usage
printf "Usage on /:\t%s\t\tSwap usage:\t%s\n" $root_usage $swap_usage
printf "Local Users:\t%s\t\tProcesses:\t%s\n" $users $processes
printf "System uptime:\t%s %s\n" $time
[ -f /etc/motd.tail ] && cat /etc/motd.tail || true

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# handlers file for MicroJoe.post-install

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galaxy_info:
author: your name
description: your description
company: your company (optional)
# If the issue tracker for your role is not on github, uncomment the
# next line and provide a value
# issue_tracker_url: http://example.com/issue/tracker
# Some suggested licenses:
# - BSD (default)
# - MIT
# - GPLv2
# - GPLv3
# - Apache
# - CC-BY
license: license (GPLv2, CC-BY, etc)
min_ansible_version: 1.2
# If this a Container Enabled role, provide the minimum Ansible Container version.
# min_ansible_container_version:
# Optionally specify the branch Galaxy will use when accessing the GitHub
# repo for this role. During role install, if no tags are available,
# Galaxy will use this branch. During import Galaxy will access files on
# this branch. If Travis integration is configured, only notifications for this
# branch will be accepted. Otherwise, in all cases, the repo's default branch
# (usually master) will be used.
#github_branch:
#
# platforms is a list of platforms, and each platform has a name and a list of versions.
#
# platforms:
# - name: Fedora
# versions:
# - all
# - 25
# - name: SomePlatform
# versions:
# - all
# - 1.0
# - 7
# - 99.99
galaxy_tags: []
# List tags for your role here, one per line. A tag is a keyword that describes
# and categorizes the role. Users find roles by searching for tags. Be sure to
# remove the '[]' above, if you add tags to this list.
#
# NOTE: A tag is limited to a single word comprised of alphanumeric characters.
# Maximum 20 tags per role.
dependencies: []
# List your role dependencies here, one per line. Be sure to remove the '[]' above,
# if you add dependencies to this list.

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# tasks file for MicroJoe.post-install
- name: Update and upgrade packages
apt:
update_cache: true
upgrade: true
- name: Install useful sysadmin tooling
apt:
name: "{{ item }}"
state: present
with_items:
- tmux
- htop
- tree
- vim
- mosh
- toilet
- figlet
- name: Install cool scaleway-inspirated motd script for non-scaleway hosts
copy:
src: 50-scw
dest: /etc/update-motd.d/50-scw
mode: 755
when: server_provider != "scaleway"
- name: Use alternative motd.head file
replace:
path: /etc/update-motd.d/50-scw
regexp: '^\[ -f \/etc\/motd\.head \] && cat \/etc\/motd\.head \|\| true$'
replace: "[ -f /etc/motd.head.alt ] && cat /etc/motd.head.alt || true"
backup: yes
- name: Generate cool motd.head
shell: toilet -f future -F metal $(hostname) > /etc/motd.head.alt
args:
creates: /etc/motd.head.alt

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localhost

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- hosts: localhost
remote_user: root
roles:
- MicroJoe.post-install

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# vars file for MicroJoe.post-install