Add new learning environment for Photon and Ansible

Add new learning environment for Photon and Ansible. Add Vagrantfile,
supporting files, Ansible playbook, and Ansible configuration file.

photon-ansible/Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# Specify Vagrant version, Vagrant API version, and desired clone location
+Vagrant.require_version '>= 1.6.0'
+VAGRANTFILE_API_VERSION = '2'
+ENV['VAGRANT_DEFAULT_PROVIDER'] = 'vmware_fusion'
+ENV['VAGRANT_VMWARE_CLONE_DIRECTORY'] = '~/.vagrant'
+#ENV['VAGRANT_DEFAULT_PROVIDER'] = 'virtualbox'
+#ENV['VAGRANT_DEFAULT_PROVIDER'] = 'vmware_appcatalyst'
+
+# Require 'yaml' module
+require 'yaml'
+
+# Read YAML file with VM details (box, CPU, and RAM)
+machines = YAML.load_file(File.join(File.dirname(__FILE__), 'machines.yml'))
+
+# Create and configure the VMs
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  # Always use Vagrant's default insecure key
+  config.ssh.insert_key = false
+
+  # Iterate through entries in YAML file to create VMs
+  machines.each do |machine|
+    config.vm.define machine['name'] do |srv|
+
+      # Don't check for box updates
+      srv.vm.box_check_update = false
+      srv.vm.hostname = machine['name']
+      srv.vm.box = machine['box']
+
+      # Configure default synced folder (disable by default)
+      if machine['sync_disabled'] != nil
+        srv.vm.synced_folder '.', '/vagrant', disabled: machine['sync_disabled']
+      else
+        srv.vm.synced_folder '.', '/vagrant', disabled: true
+      end #if machine['sync_disabled']
+
+      # Assign additional private network
+      if machine['ip_addr'] != nil
+        srv.vm.network 'private_network', ip: machine['ip_addr']
+      end # if machine['ip_addr']
+
+      # Configure CPU & RAM per settings in machines.yml (Fusion)
+      # Nested virt not included because not supported with Photon
+      srv.vm.provider :vmware_fusion do |vmw|
+        vmw.vmx['memsize'] = machine['ram']
+        vmw.vmx['numvcpus'] = machine['vcpu']
+      end # srv.vm.provider vmware_fusion
+
+      # Configure CPU & RAM per settings in machines.yml (AppCatalyst)
+      # Nested virt not included because not supported with Photon
+      srv.vm.provider :vmware_appcatalyst do |vmw|
+        vmw.vmx['memsize'] = machine['ram']
+        vmw.vmx['numvcpus'] = machine['vcpu']
+        #vmw.vmx['guestos'] = 'other3xlinux-64'
+      end # srv.vm.provider vmware_appcatalyst
+
+      # Configure CPU & RAM per settings in machines.yml (VirtualBox)
+      srv.vm.provider :virtualbox do |vb|
+        vb.memory = machine['ram']
+        vb.cpus = machine['vcpu']
+      end # srv.vm.provider virtualbox
+    end # config.vm.define
+
+    # Provision the VM with Ansible
+    config.vm.provision 'ansible' do |ansible|
+      ansible.playbook = 'provision.yml'
+    end # config.vm.provision
+  end # machines.each
+end # Vagrant.configure

photon-ansible/ansible.cfg

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+[defaults]
+inventory = ./vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory
+private_key_file = ~/.vagrant.d/insecure_private_key
+remote_user = vagrant
+host_key_checking = False

photon-ansible/docker-tcp.socket

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+[Unit]
+Description=Docker TCP Socket for the API
+
+[Socket]
+ListenStream=2375
+BindIPv6Only=both
+Service=docker.service
+
+[Install]
+WantedBy=sockets.target

photon-ansible/docker.service

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+[Unit]
+Description=Docker Daemon
+
+[Service]
+ExecStart=/bin/docker -d -H fd:// -s overlay
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=process
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

photon-ansible/docker.socket

@@ -0,0 +1,12 @@
+[Unit]
+Description=Docker Socket for the API
+PartOf=docker.service
+
+[Socket]
+ListenStream=/var/run/docker.sock
+SocketMode=0660
+SocketUser=root
+SocketGroup=docker
+
+[Install]
+WantedBy=sockets.target

photon-ansible/machines.yml

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+---
+- name: "photon"
+  box: "vmware/photon"
+  ram: "512"
+  vcpu: "1"

photon-ansible/provision.yml

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+---
+- hosts: "all"
+  sudo: "yes"
+  remote_user: "vagrant"
+
+  tasks:
+  - name: "Copy Docker TCP socket file"
+    copy:
+      src: "docker-tcp.socket"
+      dest: "/etc/systemd/system/docker-tcp.socket"
+      owner: "root"
+      group: "root"
+      mode: "0644"
+  - name: "Copy Docker socket file"
+    copy:
+      src: "docker.socket"
+      dest: "/lib/systemd/system/docker.socket"
+      owner: "root"
+      group: "root"
+      mode: "0644"
+  - name: "Copy Docker TCP socket file"
+    copy:
+      src: "docker.service"
+      dest: "/lib/systemd/system/docker.service"
+      owner: "root"
+      group: "root"
+      mode: "0644"
+  - name: "Enable Docker TCP socket"
+    service:
+      name: "docker-tcp.socket"
+      enabled: "yes"
+      state: "started"
+  - name: "Enable Docker socket"
+    service:
+      name: "docker.socket"
+      enabled: "yes"
+      state: "started"