Merge pull request #466 from tomassedovic/openstack-provider

Openstack provider

16 files changed, 1458 insertions, 0 deletions

diff --git a/playbooks/provisioning/openstack/INVENTORY-LICENSE.txt b/playbooks/provisioning/openstack/INVENTORY-LICENSE.txt
new file mode 100644
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+++ b/playbooks/provisioning/openstack/INVENTORY-LICENSE.txt
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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/playbooks/provisioning/openstack/README.md b/playbooks/provisioning/openstack/README.md
new file mode 100644
index 000000000..423d57113
--- /dev/null
+++ b/playbooks/provisioning/openstack/README.md
@@ -0,0 +1,132 @@
+# OpenStack Provisioning
+
+This repository contains playbooks and Heat templates to provision
+OpenStack resources (servers, networking, volumes, security groups,
+etc.). The result is an environment ready for openshift-ansible.
+
+
+## Dependencies
+
+* [Ansible 2.3](https://pypi.python.org/pypi/ansible)
+* [shade](https://pypi.python.org/pypi/shade)
+* python-dns
+
+
+## What does it do
+
+* Create Nova servers with floating IP addresses attached
+* Assigns Cinder volumes to the servers
+* Set up an `openshift` user with sudo privileges
+* Optionally attach Red Hat subscriptions
+* Set up a bind-based DNS server
+* When deploying more than one master, set up a HAproxy server
+
+
+## Set up
+
+### Copy the sample inventory
+
+    cp -r openshift-ansible-contrib/playbooks/provisioning/openstack/sample-inventory inventory
+
+### Copy clouds.yaml
+
+    cp openshift-ansible-contrib/playbooks/provisioning/openstack/sample-inventory/clouds.yaml clouds.yaml
+
+### Copy ansible config
+
+    cp openshift-ansible-contrib/playbooks/provisioning/openstack/sample-inventory/ansible.cfg ansible.cfg
+
+### Update `inventory/group_vars/all.yml`
+
+Pay special attention to the values in the first paragraph -- these
+will depend on your OpenStack environment.
+
+The `env_id` and `openstack_dns_domain` will form the DNS domain all
+your servers will be under. With the default values, this will be
+`openshift.example.com`.
+
+`openstack_nameservers` is a list of DNS servers accessible from all
+the created Nova servers. These will be serve as your DNS forwarders.
+
+`openstack_ssh_key` is a Nova keypair -- you can see your keypairs with
+`openstack keypair list`.
+
+`openstack_default_image_name` is the name of the Glance image the
+servers will use. You can
+see your images with `openstack image list`.
+
+`openstack_default_flavor` is the Nova flavor the servers will use.
+You can see your flavors with `openstack flavor list`.
+
+`openstack_external_network_name` is the name of the Neutron network
+providing external connectivity. It is often called `public`,
+`external` or `ext-net`. You can see your networks with `openstack
+network list`.
+
+The `openstack_num_masters`, `openstack_num_infra` and
+`openstack_num_nodes` values specify the number of Master, Infra and
+App nodes to create.
+
+The `openstack_flat_secgrp`, controls Neutron security groups creation for Heat
+stacks. Set it to true, if you experience issues with sec group rules
+quotas. It trades security for number of rules, by sharing the same set
+of firewall rules for master, node, etcd and infra nodes.
+
+### Update the DNS names in `inventory/hosts`
+
+The different server groups are currently grouped by the domain name,
+so if you end up using a different domain than
+`openshift.example.com`, you will need to update the `inventory/hosts`
+file.
+
+For example, if your final domain is `my.cloud.com`, you can run this
+command to fix update the `hosts` file:
+
+    sed -i 's/openshift.example.com/my.cloud.com/' inventory/hosts
+
+### Configure the OpenShift parameters
+
+Finally, you need to update the DNS entry in
+`inventory/group_vars/OSEv3.yml` (look at
+`openshift_master_default_subdomain`).
+
+In addition, this is the place where you can customise your OpenShift
+installation for example by specifying the authentication.
+
+The full list of options is available in this sample inventory:
+
+https://github.com/openshift/openshift-ansible/blob/master/inventory/byo/hosts.ose.example
+
+Note, that in order to deploy OpenShift origin, you should update the following
+variables for the `inventory/group_vars/OSEv3.yml`, `all.yml`:
+
+    deployment_type: origin
+    origin_release: 1.5.1
+    openshift_deployment_type: "{{ deployment_type }}"
+
+## Deployment
+
+### Run the playbook
+
+Assuming your OpenStack (Keystone) credentials are in the `keystonerc`
+file, this is how you stat the provisioning process:
+
+    . keystonerc
+    ansible-playbook -i inventory --timeout 30  --private-key ~/.ssh/openshift openshift-ansible-contrib/playbooks/provisioning/openstack/provision.yaml
+
+### Install OpenShift
+
+Once it succeeds, you can install openshift by running:
+
+    ansible-playbook --become --user openshift --private-key ~/.ssh/openshift -i inventory/ openshift-ansible/playbooks/byo/openshift-node/network_manager.yml
+    ansible-playbook --become --user openshift --private-key ~/.ssh/openshift -i inventory/ openshift-ansible/playbooks/byo/config.yml
+
+Note, the `network_manager.yml` is only required if you're deploying OpenShift
+origin.
+
+## License
+
+As the rest of the openshift-ansible-contrib repository, the code here is
+licensed under Apache 2. However, the openstack.py file under
+`sample-inventory` is GPLv3+. See the INVENTORY-LICENSE.txt file for the full
+text of the license.
diff --git a/playbooks/provisioning/openstack/openstack_dns_records.yml b/playbooks/provisioning/openstack/openstack_dns_records.yml
new file mode 100644
index 000000000..b32b70ba9
--- /dev/null
+++ b/playbooks/provisioning/openstack/openstack_dns_records.yml
@@ -0,0 +1,75 @@
+---
+- name: "Generate list of private A records"
+  set_fact:
+    private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['openstack']['private_v4'] } ] }}"
+  with_items: "{{ groups['cluster_hosts'] }}"
+
+- name: "Set the private DNS server to use the external value (if provided)"
+  set_fact:
+    nsupdate_server_private: "{{ external_nsupdate_keys['private']['server'] }}"
+    nsupdate_key_secret_private: "{{ external_nsupdate_keys['private']['key_secret'] }}"
+    nsupdate_key_algorithm_private: "{{ external_nsupdate_keys['private']['key_algorithm'] }}"
+  when:
+  - external_nsupdate_keys is defined
+  - external_nsupdate_keys['private'] is defined
+
+- name: "Set the private DNS server to use the provisioned value"
+  set_fact:
+    nsupdate_server_private: "{{ hostvars[groups['dns'][0]].openstack.public_v4 }}"
+    nsupdate_key_secret_private: "{{ hostvars[groups['dns'][0]].nsupdate_keys['private-' + full_dns_domain].key_secret }}"
+    nsupdate_key_algorithm_private: "{{ hostvars[groups['dns'][0]].nsupdate_keys['private-' + full_dns_domain].key_algorithm }}"
+  when:
+  - nsupdate_server_private is undefined
+
+- name: "Generate the private Add section for DNS"
+  set_fact:
+    private_named_records:
+    - view: "private"
+      zone: "{{ full_dns_domain }}"
+      server: "{{ nsupdate_server_private }}"
+      key_name: "{{ ( 'private-' + full_dns_domain ) }}"
+      key_secret: "{{ nsupdate_key_secret_private }}"
+      key_algorithm: "{{ nsupdate_key_algorithm_private | lower }}"
+      entries: "{{ private_records }}"
+
+- name: "Generate list of public A records"
+  set_fact:
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['openstack']['public_v4'] } ] }}"
+  with_items: "{{ groups['cluster_hosts'] }}"
+
+- name: "Add wildcard records to the public A records"
+  set_fact:
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': '*.' + openshift_app_domain, 'ip': hostvars[item]['openstack']['public_v4'] } ] }}"
+  with_items: "{{ groups['infra_hosts'] }}"
+
+- name: "Set the public DNS server details to use the external value (if provided)"
+  set_fact:
+    nsupdate_server_public: "{{ external_nsupdate_keys['public']['server'] }}"
+    nsupdate_key_secret_public: "{{ external_nsupdate_keys['public']['key_secret'] }}"
+    nsupdate_key_algorithm_public: "{{ external_nsupdate_keys['public']['key_algorithm'] }}"
+  when:
+  - external_nsupdate_keys is defined
+  - external_nsupdate_keys['public'] is defined
+
+- name: "Set the public DNS server details to use the provisioned value"
+  set_fact:
+    nsupdate_server_public: "{{ hostvars[groups['dns'][0]].openstack.public_v4 }}"
+    nsupdate_key_secret_public: "{{ hostvars[groups['dns'][0]].nsupdate_keys['public-' + full_dns_domain].key_secret }}"
+    nsupdate_key_algorithm_public: "{{ hostvars[groups['dns'][0]].nsupdate_keys['public-' + full_dns_domain].key_algorithm }}"
+  when:
+  - nsupdate_server_public is undefined
+
+- name: "Generate the public Add section for DNS"
+  set_fact:
+    public_named_records:
+    - view: "public"
+      zone: "{{ full_dns_domain }}"
+      server: "{{ nsupdate_server_public }}"
+      key_name: "{{ ( 'public-' + full_dns_domain ) }}"
+      key_secret: "{{ nsupdate_key_secret_public }}"
+      key_algorithm: "{{ nsupdate_key_algorithm_public | lower }}"
+      entries: "{{ public_records }}"
+
+- name: "Generate the final dns_records_add"
+  set_fact:
+    dns_records_add: "{{ private_named_records + public_named_records }}"
diff --git a/playbooks/provisioning/openstack/openstack_dns_views.yml b/playbooks/provisioning/openstack/openstack_dns_views.yml
new file mode 100644
index 000000000..ea0a7cb96
--- /dev/null
+++ b/playbooks/provisioning/openstack/openstack_dns_views.yml
@@ -0,0 +1,25 @@
+---
+- name: "Generate ACL list for DNS server"
+  set_fact:
+    acl_list: "{{ acl_list | default([]) + [ (hostvars[item]['openstack']['private_v4'] + '/32') ] }}"
+  with_items: "{{ groups['cluster_hosts'] }}"
+
+- name: "Generate the private view"
+  set_fact:
+    private_named_view:
+    - name: "private"
+      acl_entry: "{{ acl_list }}"
+      zone:
+      - dns_domain: "{{ full_dns_domain }}"
+
+- name: "Generate the public view"
+  set_fact:
+    public_named_view:
+    - name: "public"
+      zone:
+      - dns_domain: "{{ full_dns_domain }}"
+      forwarder: "{{ public_dns_nameservers }}"
+
+- name: "Generate the final named_config_views"
+  set_fact:
+    named_config_views: "{{ private_named_view + public_named_view }}"
diff --git a/playbooks/provisioning/openstack/post-provision-openstack.yml b/playbooks/provisioning/openstack/post-provision-openstack.yml
new file mode 100644
index 000000000..4e42c1c7f
--- /dev/null
+++ b/playbooks/provisioning/openstack/post-provision-openstack.yml
@@ -0,0 +1,58 @@
+---
+# Assign hostnames
+- hosts: cluster_hosts
+  become: true
+  pre_tasks:
+  - include: pre_tasks.yml
+  roles:
+  - role: hostnames
+
+# Subscribe DNS Host to allow for configuration below
+- hosts: dns
+  become: true
+  roles:
+  - role: subscription-manager
+    when: hostvars.localhost.rhsm_register
+    tags: 'subscription-manager'
+
+# Determine which DNS server(s) to use for our generated records
+- hosts: localhost
+  roles:
+  - dns-server-detect
+
+# Build the DNS Server Views and Configure DNS Server(s)
+- hosts: dns
+  become: true
+  pre_tasks:
+  - include: pre_tasks.yml
+  - name: "Generate dns-server views"
+    include: openstack_dns_views.yml
+  roles:
+  - role: dns-server
+
+# Build and process DNS Records
+- hosts: localhost
+  pre_tasks:
+  - include: pre_tasks.yml
+  - name: "Generate dns records"
+    include: openstack_dns_records.yml
+  roles:
+  - role: dns
+
+# OpenShift Pre-Requisites
+- hosts: OSEv3
+  become: true
+  tasks:
+  - name: "Edit /etc/resolv.conf on masters/nodes"
+    lineinfile:
+      state: present
+      dest: /etc/resolv.conf
+      regexp: "nameserver {{ hostvars['localhost'].private_dns_server }}"
+      line: "nameserver {{ hostvars['localhost'].private_dns_server }}"
+      insertafter: search*
+  - name: "Include DNS configuration to ensure proper name resolution"
+    lineinfile:
+      state: present
+      dest: /etc/sysconfig/network
+      regexp: "IP4_NAMESERVERS={{ hostvars['localhost'].private_dns_server }}"
+      line: "IP4_NAMESERVERS={{ hostvars['localhost'].private_dns_server }}"
diff --git a/playbooks/provisioning/openstack/pre-install.yml b/playbooks/provisioning/openstack/pre-install.yml
new file mode 100644
index 000000000..629182d49
--- /dev/null
+++ b/playbooks/provisioning/openstack/pre-install.yml
@@ -0,0 +1,14 @@
+---
+###############################
+# OpenShift Pre-Requisites
+
+# - subscribe hosts
+# - prepare docker
+# - other prep (install additional packages, etc.)
+#
+- hosts: OSEv3
+  become: true
+  roles:
+    - { role: subscription-manager, when: hostvars.localhost.rhsm_register, tags: 'subscription-manager', ansible_sudo: true }
+    - { role: docker, tags: 'docker' }
+    - { role: openshift-prep, tags: 'openshift-prep' }
diff --git a/playbooks/provisioning/openstack/pre_tasks.yml b/playbooks/provisioning/openstack/pre_tasks.yml
new file mode 100644
index 000000000..a4ff7c4ac
--- /dev/null
+++ b/playbooks/provisioning/openstack/pre_tasks.yml
@@ -0,0 +1,39 @@
+---
+- name: Generate Environment ID
+  set_fact:
+    env_random_id: "{{ ansible_date_time.epoch }}"
+  run_once: true
+  delegate_to: localhost
+
+- name: Set default Environment ID
+  set_fact:
+    default_env_id: "casl-{{ lookup('env','OS_USERNAME') }}-{{ env_random_id }}"
+  delegate_to: localhost
+
+- name: Setting Common Facts
+  set_fact:
+    env_id: "{{ env_id | default(default_env_id) }}"
+  delegate_to: localhost
+
+- name: Set Dynamic Inventory Filters
+  become: false
+  shell: >
+    export OS_INV_FILTER_KEY=clusterid && export OS_INV_FILTER_VALUE={{ env_id }}
+  delegate_to: localhost
+
+- name: Updating DNS domain to include env_id (if not empty)
+  set_fact:
+    full_dns_domain: "{{ (env_id|trim == '') | ternary(public_dns_domain, env_id + '.' + public_dns_domain) }}"
+  delegate_to: localhost
+
+- name: Set the APP domain for OpenShift use
+  set_fact:
+    openshift_app_domain: "{{ openshift_app_domain | default('apps') }}"
+  delegate_to: localhost
+
+- name: Set the default app domain for routing purposes
+  set_fact:
+    openshift_master_default_subdomain: "{{ openshift_app_domain }}.{{ full_dns_domain }}"
+  delegate_to: localhost
+  when:
+  - openshift_master_default_subdomain is undefined
diff --git a/playbooks/provisioning/openstack/provision-openstack.yml b/playbooks/provisioning/openstack/provision-openstack.yml
new file mode 100644
index 000000000..c7ad782c9
--- /dev/null
+++ b/playbooks/provisioning/openstack/provision-openstack.yml
@@ -0,0 +1,49 @@
+---
+- hosts: localhost
+  gather_facts: True
+  pre_tasks:
+  - include: pre_tasks.yml
+  roles:
+  - role: openstack-stack
+    stack_name: "{{ env_id }}.{{ public_dns_domain }}"
+    dns_domain: "{{ public_dns_domain }}"
+    dns_nameservers: "{{ public_dns_nameservers }}"
+    subnet_prefix: "{{ openstack_subnet_prefix }}"
+    ssh_public_key: "{{ openstack_ssh_public_key }}"
+    openstack_image: "{{ openstack_default_image_name }}"
+    lb_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
+    etcd_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
+    master_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
+    node_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
+    infra_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
+    dns_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
+    external_network: "{{ openstack_external_network_name }}"
+    num_etcd: "{{ openstack_num_etcd | default(0) }}"
+    num_masters: "{{ openstack_num_masters }}"
+    num_nodes: "{{ openstack_num_nodes }}"
+    num_infra: "{{ openstack_num_infra }}"
+    num_dns: "{{ openstack_num_dns | default(1) }}"
+    master_volume_size: "{{ docker_volume_size }}"
+    app_volume_size: "{{ docker_volume_size }}"
+    infra_volume_size: "{{ docker_volume_size }}"
+
+
+- name: Refresh Server inventory
+  hosts: localhost
+  connection: local
+  gather_facts: False
+  tasks:
+  - meta: refresh_inventory
+
+- hosts: cluster_hosts
+  gather_facts: false
+  tasks:
+  - name: Debug hostvar
+    debug:
+      msg: "{{ hostvars[inventory_hostname] }}"
+      verbosity: 2
+  - name: waiting for server to come back
+    local_action: wait_for host={{ hostvars[inventory_hostname]['ansible_ssh_host'] }} port=22 delay=30 timeout=300
+    become: false
+
+- include: post-provision-openstack.yml
diff --git a/playbooks/provisioning/openstack/provision.yaml b/playbooks/provisioning/openstack/provision.yaml
new file mode 100644
index 000000000..7cde5e8b8
--- /dev/null
+++ b/playbooks/provisioning/openstack/provision.yaml
@@ -0,0 +1,4 @@
+---
+- include: "provision-openstack.yml"
+
+- include: "pre-install.yml"
diff --git a/playbooks/provisioning/openstack/roles b/playbooks/provisioning/openstack/roles
new file mode 120000
index 000000000..e2b799b9d
--- /dev/null
+++ b/playbooks/provisioning/openstack/roles
@@ -0,0 +1 @@
+../../../roles/
\ No newline at end of file
diff --git a/playbooks/provisioning/openstack/sample-inventory/ansible.cfg b/playbooks/provisioning/openstack/sample-inventory/ansible.cfg
new file mode 100644
index 000000000..a701e59ac
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/ansible.cfg
@@ -0,0 +1,19 @@
+# config file for ansible -- http://ansible.com/
+# ==============================================
+[defaults]
+forks = 50
+# work around privilege escalation timeouts in ansible
+timeout = 30
+host_key_checking = false
+inventory = inventory
+inventory_ignore_extensions = secrets.py, .pyc
+gathering = smart
+retry_files_enabled = false
+fact_caching = jsonfile
+fact_caching_connection = .ansible/cached_facts
+fact_caching_timeout = 900
+
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=900s -o GSSAPIAuthentication=no
+control_path = /var/tmp/%%h-%%r
+pipelining = True
diff --git a/playbooks/provisioning/openstack/sample-inventory/clouds.yaml b/playbooks/provisioning/openstack/sample-inventory/clouds.yaml
new file mode 100644
index 000000000..8182d2995
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/clouds.yaml
@@ -0,0 +1,5 @@
+---
+ansible:
+  use_hostnames: True
+  expand_hostvars: True
+  fail_on_errors: True
diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml
new file mode 100644
index 000000000..32ec43387
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml
@@ -0,0 +1,10 @@
+---
+openshift_deployment_type: openshift-enterprise
+openshift_release: v3.5
+openshift_master_default_subdomain: "apps.{{ env_id }}.{{ public_dns_domain }}"
+
+# NOTE(shadower): do not remove this line, otherwise the default node labels
+# won't be set up.
+openshift_node_labels: "{{ openstack.metadata.node_labels }}"
+
+osm_default_node_selector: 'region=primary'
diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml
new file mode 100644
index 000000000..047923253
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml
@@ -0,0 +1,57 @@
+---
+env_id: "openshift"
+public_dns_domain: "example.com"
+public_dns_nameservers: []
+
+openstack_ssh_public_key: "openshift"
+openstack_default_image_name: "rhel73"
+openstack_default_flavor: "m1.medium"
+openstack_external_network_name: "public"
+
+openstack_num_masters: 1
+openstack_num_infra: 1
+openstack_num_nodes: 2
+
+docker_volume_size: "15"
+
+openstack_subnet_prefix: "192.168.99"
+
+# # Red Hat subscription
+# # Using Red Hat Satellite:
+# rhsm_register: True
+# rhsm_satellite: 'sat-6.example.com'
+# rhsm_org: 'OPENSHIFT_ORG'
+# rhsm_activationkey: '<activation-key>'
+
+# # Or using RHN username, password and optionally pool:
+# rhsm_register: True
+# rhsm_username: '<username>'
+# rhsm_password: '<password>'
+# rhsm_pool: '<pool id>'
+
+# rhsm_repos:
+#  - "rhel-7-server-rpms"
+#  - "rhel-7-server-ose-3.5-rpms"
+#  - "rhel-7-server-extras-rpms"
+#  - "rhel-7-fast-datapath-rpms"
+
+
+# # Roll-your-own DNS
+# openstack_num_dns: 0
+# external_nsupdate_keys:
+#   public:
+#     key_secret: 'SKqKNdpfk7llKxZ57bbxUnUDobaaJp9t8CjXLJPl+fRI5mPcSBuxTAyvJPa6Y9R7vUg9DwCy/6WTpgLNqnV4Hg=='
+#     key_algorithm: 'hmac-md5'
+#     server: '192.168.1.1'
+#   private:
+#     key_secret: 'kVE2bVTgZjrdJipxPhID8BEZmbHD8cExlVPR+zbFpW6la8kL5wpXiwOh8q5AAosXQI5t95UXwq3Inx8QT58duw=='
+#     key_algorithm: 'hmac-md5'
+#     server: '192.168.1.2'
+
+
+# NOTE(shadower): Do not change this value. The Ansible user is currently
+# hardcoded to `openshift`.
+ansible_user: openshift
+
+# Use a single security group for a cluster
+openstack_flat_secgrp: false
diff --git a/playbooks/provisioning/openstack/sample-inventory/hosts b/playbooks/provisioning/openstack/sample-inventory/hosts
new file mode 100644
index 000000000..5f73b60f6
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/hosts
@@ -0,0 +1,44 @@
+#[all:vars]
+# For all group_vars, see ./group_vars/all.yml
+
+# Create an OSEv3 group that contains the master, nodes, etcd, and lb groups.
+# The lb group lets Ansible configure HAProxy as the load balancing solution.
+# Comment lb out if your load balancer is pre-configured.
+[cluster_hosts:children]
+OSEv3
+dns
+
+[OSEv3:children]
+masters
+nodes
+etcd
+
+# Set variables common for all OSEv3 hosts
+#[OSEv3:vars]
+
+# For OSEv3 normal group vars, see ./group_vars/OSEv3.yml
+
+# Host Groups
+
+[masters:children]
+masters.openshift.example.com
+
+[etcd:children]
+etcd.openshift.example.com
+
+[nodes:children]
+masters
+infra.openshift.example.com
+nodes.openshift.example.com
+
+[infra_hosts:children]
+infra.openshift.example.com
+
+[dns:children]
+dns.openshift.example.com
+
+[masters.openshift.example.com]
+[etcd.openshift.example.com]
+[infra.openshift.example.com]
+[nodes.openshift.example.com]
+[dns.openshift.example.com]
diff --git a/playbooks/provisioning/openstack/sample-inventory/openstack.py b/playbooks/provisioning/openstack/sample-inventory/openstack.py
new file mode 100755
index 000000000..8de73e1e0
--- /dev/null
+++ b/playbooks/provisioning/openstack/sample-inventory/openstack.py
@@ -0,0 +1,252 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2012, Marco Vito Moscaritolo <marco@agavee.com>
+# Copyright (c) 2013, Jesse Keating <jesse.keating@rackspace.com>
+# Copyright (c) 2015, Hewlett-Packard Development Company, L.P.
+# Copyright (c) 2016, Rackspace Australia
+#
+# This module is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this software.  If not, see <http://www.gnu.org/licenses/>.
+
+# The OpenStack Inventory module uses os-client-config for configuration.
+# https://github.com/stackforge/os-client-config
+# This means it will either:
+#  - Respect normal OS_* environment variables like other OpenStack tools
+#  - Read values from a clouds.yaml file.
+# If you want to configure via clouds.yaml, you can put the file in:
+#  - Current directory
+#  - ~/.config/openstack/clouds.yaml
+#  - /etc/openstack/clouds.yaml
+#  - /etc/ansible/openstack.yml
+# The clouds.yaml file can contain entries for multiple clouds and multiple
+# regions of those clouds. If it does, this inventory module will connect to
+# all of them and present them as one contiguous inventory.
+#
+# See the adjacent openstack.yml file for an example config file
+# There are two ansible inventory specific options that can be set in
+# the inventory section.
+# expand_hostvars controls whether or not the inventory will make extra API
+#                 calls to fill out additional information about each server
+# use_hostnames changes the behavior from registering every host with its UUID
+#               and making a group of its hostname to only doing this if the
+#               hostname in question has more than one server
+# fail_on_errors causes the inventory to fail and return no hosts if one cloud
+#                has failed (for example, bad credentials or being offline).
+#                When set to False, the inventory will return hosts from
+#                whichever other clouds it can contact. (Default: True)
+
+import argparse
+import collections
+import os
+import sys
+import time
+from distutils.version import StrictVersion
+
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+import os_client_config
+import shade
+import shade.inventory
+
+CONFIG_FILES = ['/etc/ansible/openstack.yaml', '/etc/ansible/openstack.yml']
+
+
+def get_groups_from_server(server_vars, namegroup=True):
+    groups = []
+
+    region = server_vars['region']
+    cloud = server_vars['cloud']
+    metadata = server_vars.get('metadata', {})
+
+    # Create a group for the cloud
+    groups.append(cloud)
+
+    # Create a group on region
+    groups.append(region)
+
+    # And one by cloud_region
+    groups.append("%s_%s" % (cloud, region))
+
+    # Check if group metadata key in servers' metadata
+    if 'group' in metadata:
+        groups.append(metadata['group'])
+
+    for extra_group in metadata.get('groups', '').split(','):
+        if extra_group:
+            groups.append(extra_group.strip())
+
+    groups.append('instance-%s' % server_vars['id'])
+    if namegroup:
+        groups.append(server_vars['name'])
+
+    for key in ('flavor', 'image'):
+        if 'name' in server_vars[key]:
+            groups.append('%s-%s' % (key, server_vars[key]['name']))
+
+    for key, value in iter(metadata.items()):
+        groups.append('meta-%s_%s' % (key, value))
+
+    az = server_vars.get('az', None)
+    if az:
+        # Make groups for az, region_az and cloud_region_az
+        groups.append(az)
+        groups.append('%s_%s' % (region, az))
+        groups.append('%s_%s_%s' % (cloud, region, az))
+    return groups
+
+
+def get_host_groups(inventory, refresh=False):
+    (cache_file, cache_expiration_time) = get_cache_settings()
+    if is_cache_stale(cache_file, cache_expiration_time, refresh=refresh):
+        groups = to_json(get_host_groups_from_cloud(inventory))
+        open(cache_file, 'w').write(groups)
+    else:
+        groups = open(cache_file, 'r').read()
+    return groups
+
+
+def append_hostvars(hostvars, groups, key, server, namegroup=False):
+    hostvars[key] = dict(
+        ansible_ssh_host=server['interface_ip'],
+        openshift_hostname=server['name'],
+        openshift_public_hostname=server['name'],
+        openstack=server)
+    for group in get_groups_from_server(server, namegroup=namegroup):
+        groups[group].append(key)
+
+
+def get_host_groups_from_cloud(inventory):
+    groups = collections.defaultdict(list)
+    firstpass = collections.defaultdict(list)
+    hostvars = {}
+    list_args = {}
+    if hasattr(inventory, 'extra_config'):
+        use_hostnames = inventory.extra_config['use_hostnames']
+        list_args['expand'] = inventory.extra_config['expand_hostvars']
+        if StrictVersion(shade.__version__) >= StrictVersion("1.6.0"):
+            list_args['fail_on_cloud_config'] = \
+                inventory.extra_config['fail_on_errors']
+    else:
+        use_hostnames = False
+
+    for server in inventory.list_hosts(**list_args):
+
+        if 'interface_ip' not in server:
+            continue
+        try:
+            if server["metadata"][os.environ['OS_INV_FILTER_KEY']] == os.environ['OS_INV_FILTER_VALUE']:
+                firstpass[server['name']].append(server)
+        except Exception:
+            firstpass[server['name']].append(server)
+    for name, servers in firstpass.items():
+        if len(servers) == 1 and use_hostnames:
+            append_hostvars(hostvars, groups, name, servers[0])
+        else:
+            server_ids = set()
+            # Trap for duplicate results
+            for server in servers:
+                server_ids.add(server['id'])
+            if len(server_ids) == 1 and use_hostnames:
+                append_hostvars(hostvars, groups, name, servers[0])
+            else:
+                for server in servers:
+                    append_hostvars(
+                        hostvars, groups, server['id'], server,
+                        namegroup=True)
+    groups['_meta'] = {'hostvars': hostvars}
+    return groups
+
+
+def is_cache_stale(cache_file, cache_expiration_time, refresh=False):
+    ''' Determines if cache file has expired, or if it is still valid '''
+    if refresh:
+        return True
+    if os.path.isfile(cache_file) and os.path.getsize(cache_file) > 0:
+        mod_time = os.path.getmtime(cache_file)
+        current_time = time.time()
+        if (mod_time + cache_expiration_time) > current_time:
+            return False
+    return True
+
+
+def get_cache_settings():
+    config = os_client_config.config.OpenStackConfig(
+        config_files=os_client_config.config.CONFIG_FILES + CONFIG_FILES)
+    # For inventory-wide caching
+    cache_expiration_time = config.get_cache_expiration_time()
+    cache_path = config.get_cache_path()
+    if not os.path.exists(cache_path):
+        os.makedirs(cache_path)
+    cache_file = os.path.join(cache_path, 'ansible-inventory.cache')
+    return (cache_file, cache_expiration_time)
+
+
+def to_json(in_dict):
+    return json.dumps(in_dict, sort_keys=True, indent=2)
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description='OpenStack Inventory Module')
+    parser.add_argument('--private',
+                        action='store_true',
+                        help='Use private address for ansible host')
+    parser.add_argument('--refresh', action='store_true',
+                        help='Refresh cached information')
+    parser.add_argument('--debug', action='store_true', default=False,
+                        help='Enable debug output')
+    group = parser.add_mutually_exclusive_group(required=True)
+    group.add_argument('--list', action='store_true',
+                       help='List active servers')
+    group.add_argument('--host', help='List details about the specific host')
+
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+    try:
+        config_files = os_client_config.config.CONFIG_FILES + CONFIG_FILES
+        shade.simple_logging(debug=args.debug)
+        inventory_args = dict(
+            refresh=args.refresh,
+            config_files=config_files,
+            private=args.private,
+        )
+        if hasattr(shade.inventory.OpenStackInventory, 'extra_config'):
+            inventory_args.update(dict(
+                config_key='ansible',
+                config_defaults={
+                    'use_hostnames': False,
+                    'expand_hostvars': True,
+                    'fail_on_errors': True,
+                }
+            ))
+
+        inventory = shade.inventory.OpenStackInventory(**inventory_args)
+
+        if args.list:
+            output = get_host_groups(inventory, refresh=args.refresh)
+        elif args.host:
+            output = to_json(inventory.get_host(args.host))
+        print(output)
+    except shade.OpenStackCloudException as e:
+        sys.stderr.write('%s\n' % str(e))
+        sys.exit(1)
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()