Set up directory structure and a common role as well as a developer-machine role

group_vars/all

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+---
+# Variables listed here are applicable to all host groups
+
+example_password: somethingSecret

hosts

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+[developer-machines]
+codydev

playbooks/developer-machine.yml

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+---
+# This playbook deploys a development machine
+
+- name: Apply common configuration to all nodes
+  hosts: developer-machines
+  user: root
+  tasks:
+   - include: ../roles/common/tasks/main.yml
+
+- name: Apply common configuration to all nodes
+  hosts: developer-machines
+  user: root
+  tasks:
+   - include: ../roles/developer-machine/tasks/main.yml

roles/common/tasks/main.yml

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+---
+# This playbook contains plays that will run on all nodes
+
+- name: Update apt
+  apt: update_cache=yes
+
+- name: Upgrade APT to the lastest packages
+  apt: upgrade=safe
+
+- name: Install htop
+  apt: name=htop state=present
+
+- name: Install curl
+  apt: name=curl state=present
+
+- name: Install openssh-server
+  apt: name=openssh-server state=present
+
+- name: Install git
+  apt: name=git state=present
+
+- name: Install rsync
+  apt: name=rsync state=present
+
+- name: Install zip
+  apt: name=zip state=present
+
+- name: Install unzip
+  apt: name=unzip state=present
+
+- name: Install fail2ban
+  apt: name=fail2ban state=present
+
+- name: Install ntp
+  apt: name=ntp state=present
+
+- name: Install mysql-client
+  apt: name=mysql-client state=present
+
+- name: Install wget
+  apt: name=wget state=present
+
+- name: Set git username
+  shell: git config --global user.name "Jacob Cody Wimer"
+
+- name: Set git email
+  shell: git config --global user.email "jacob.wimer@gmail.com"
+
+- name: Is docker installed
+  shell: which docker
+  register: docker_installed
+
+- name: Get docker
+  shell: curl -sSL https://get.docker.com/ | sh
+  when: docker_install is none
+
+- name: Get docker compose
+  shell: curl -L https://github.com/docker/compose/releases/download/1.5.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose  
+  when: docker_install is none
+
+- name: Link docker compose
+  shell: chmod +x /usr/local/bin/docker-compose
+  when: docker_install is none
+
+- name: Set timezone to NewYork
+  shell: timedatectl set-timezone America/New_York
+
+- name: test for swap partition
+  shell: swapon -s | grep -E "^/"
+  register: swapfile
+  ignore_errors: yes
+
+- name: create swapfile
+  when: swapfile|failed
+  shell: fallocate -l 4G /swapfile 
+
+- name: set swapfile permissions
+  when: swapfile|failed
+  file: path=/swapfile
+        owner=root
+        group=root
+        mode=0600
+
+- name: prepare swapfile
+  when: swapfile|failed
+  shell: mkswap /swapfile
+
+- name: enable swap
+  when: swapfile|failed
+  shell: swapon /swapfile
+
+- name: add swapfile
+  when: swapfile|failed
+  lineinfile: dest=/etc/fstab
+              regexp="^/swapfile"
+              state=present
+              line="/swapfile       none    swap    sw      0       0"
+
+- name: set swappiness (temporarily)
+  when: swapfile|failed
+  shell: echo 10 | tee /proc/sys/vm/swappiness
+
+- name: set swappiness (permanent)
+  when: swapfile|failed
+  lineinfile: dest=/etc/sysctl.conf
+              regexp="^vm.swappiness"
+              state=present
+              line="vm.swappiness = 10"
+
+- name: set cache pressure (temporarily)
+  when: swapfile|failed
+  shell: echo 50 | tee /proc/sys/vm/vfs_cache_pressure
+
+- name: set cache pressure (permanent)
+  when: swapfile|failed
+  lineinfile: dest=/etc/sysctl.conf
+              regexp="^vm.vfs_cache_pressure"
+              state=present
+              line="vm.swappiness = 50"

roles/developer-machine/tasks/main.yml

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+---
+# This playbook contains plays that will run on developer-machines
+
+- name: Is rvm installed
+  shell: which rvm
+  register: rvm_installed
+
+- name: Install rvm key
+  shell: gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+  when: rvm_installed is none
+
+- name: Install rvm and latest ruby
+  shell: \curl -sSL https://get.rvm.io | bash -s stable
+  when: rvm_installed is none
+
+- name: Is heroku installed
+  shell: which heroku
+  register: heroku_installed
+
+- name: Install heroku toolbelt
+  shell: wget -O- https://toolbelt.heroku.com/install-ubuntu.sh | sh
+  when: heroku_installed is none
+
+- name: Install siege
+  apt: name=siege state=present

site.yml

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+---
+# This playbook deploys the whole application stack for my homelab
+#
+- name: Gather facts for all
+  hosts: all
+  remote_user: root
+  gather_facts: true
+
+- include: playbooks/developer-machine.yml