Create launch-node.py

This adds the ability for users to boot a server on openstack then
bootstrap the server for ansible, then windmill.  There is a fair bit of
assumptions here, but this is a good first start.

Change-Id: Iae2cf70975ba9ad621401db609849b4ebb8efe5d
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

playbooks/bootstrap/roles/users/defaults/main.yaml

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+# Copyright 2019 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+---
+windmill_users: {}

playbooks/bootstrap/roles/users/tasks/main.yaml

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+# Copyright 2019 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+---
+- name: Create windmill_users group
+  become: true
+  group:
+    name: "{{ item.name }}"
+    gid: "{{ item.gid }}"
+    state: present
+  with_items: "{{ windmill_users }}"
+
+- name: Create windmill_users user
+  become: true
+  user:
+    name: "{{ item.name }}"
+    group: "{{ item.gid }}"
+    groups: sudo
+    shell: /bin/bash
+    uid: "{{ item.uid }}"
+  with_items: "{{ windmill_users }}"
+
+- name: Add SSH public key
+  become: true
+  authorized_key:
+    exclusive: true
+    key: "{{ item.key }}"
+    state: present
+    user: "{{ item.name }}"
+  with_items: "{{ windmill_users }}"