Merge branch 'master' into loggin-aws

playbooks/provisioning/openstack/INVENTORY-LICENSE.txt

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
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-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>.

playbooks/provisioning/openstack/README.md

@@ -13,6 +13,12 @@ etc.). The result is an environment ready for openshift-ansible.
 * python-dns / [dnspython](https://pypi.python.org/pypi/dnspython)
 * Become (sudo) is not required.
 
+### Optional Dependencies for localhost
+**Note**: When using rhel images, `rhel-7-server-openstack-10-rpms` repository is required in order to install these packages.
+
+* `python-openstackclient`
+* `python-heatclient`
+
 ## Dependencies for OpenStack hosted cluster nodes (servers)
 
 There are no additional dependencies for the cluster nodes. Required
@@ -33,8 +39,12 @@ Alternatively you can install directly from github:
     ansible-galaxy install git+https://github.com/redhat-cop/infra-ansible,master \
       -p openshift-ansible-contrib/roles
 
-Note, this assumes we're in the directory that contains the clonned
+Notes:
+* This assumes we're in the directory that contains the clonned
 openshift-ansible-contrib repo in its root path.
+* When trying to install a different version, the previous one must be removed first
+(`infra-ansible` directory from [roles](https://github.com/openshift/openshift-ansible-contrib/tree/master/roles)).
+Otherwise, even if there are differences between the two versions, installation of the newer version is skipped.
 
 ## What does it do
 
@@ -87,8 +97,9 @@ steps, and the Neutron subnet for the Heat stack is updated to point to that
 server in the end. So the provisioned servers will start using it natively
 as a default nameserver that comes from the NetworkManager and cloud-init.
 
-`openstack_ssh_key` is a Nova keypair -- you can see your keypairs with
-`openstack keypair list`.
+`openstack_ssh_key` is a Nova keypair - you can see your keypairs with
+`openstack keypair list`. This guide assumes that its corresponding private
+key is `~/.ssh/openshift`, stored on the ansible admin (control) node.
 
 `openstack_default_image_name` is the name of the Glance image the
 servers will use. You can
@@ -106,6 +117,9 @@ The `openstack_num_masters`, `openstack_num_infra` and
 `openstack_num_nodes` values specify the number of Master, Infra and
 App nodes to create.
 
+The `openshift_cluster_node_labels` defines custom labels for your openshift
+cluster node groups, like app or infra nodes. For example: `{'region': 'infra'}`.
+
 The `openstack_nodes_to_remove` allows you to specify the numerical indexes
 of App nodes that should be removed; for example, ['0', '2'],
 
@@ -118,6 +132,14 @@ The `required_packages` variable also provides a list of the additional
 prerequisite packages to be installed before to deploy an OpenShift cluster.
 Those are ignored though, if the `manage_packages: False`.
 
+The `openstack_inventory` controls either a static inventory will be created after the
+cluster nodes provisioned on OpenStack cloud. Note, the fully dynamic inventory
+is yet to be supported, so the static inventory will be created anyway.
+
+The `openstack_inventory_path` points the directory to host the generated static inventory.
+It should point to the copied example inventory directory, otherwise ti creates
+a new one for you.
+
 #### Security notes
 
 Configure required `*_ingress_cidr` variables to restrict public access
@@ -135,18 +157,6 @@ be the case for development environments. When turned off, the servers will
 be provisioned omitting the ``yum update`` command. This brings security
 implications though, and is not recommended for production deployments.
 
-### 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
@@ -167,26 +177,74 @@ variables for the `inventory/group_vars/OSEv3.yml`, `all.yml`:
     origin_release: 1.5.1
     openshift_deployment_type: "{{ deployment_type }}"
 
+### Configure static inventory and access via a bastion node
+
+Example inventory variables:
+
+    openstack_use_bastion: true
+    bastion_ingress_cidr: "{{openstack_subnet_prefix}}.0/24"
+    openstack_private_ssh_key: ~/.ssh/openshift
+    openstack_inventory: static
+    openstack_inventory_path: ../../../../inventory
+    openstack_ssh_config_path: /tmp/ssh.config.openshift.ansible.openshift.example.com
+
+The `openstack_subnet_prefix` is the openstack private network for your cluster.
+And the `bastion_ingress_cidr` defines accepted range for SSH connections to nodes
+additionally to the `ssh_ingress_cidr`` (see the security notes above).
+
+The SSH config will be stored on the ansible control node by the
+gitven path. Ansible uses it automatically. To access the cluster nodes with
+that ssh config, use the `-F` prefix, f.e.:
+
+    ssh -F /tmp/ssh.config.openshift.ansible.openshift.example.com master-0.openshift.example.com echo OK
+
+Note, relative paths will not work for the `openstack_ssh_config_path`, but it
+works for the `openstack_private_ssh_key` and `openstack_inventory_path`. In this
+guide, the latter points to the current directory, where you run ansible commands
+from.
+
+To verify nodes connectivity, use the command:
+
+    ansible -v -i inventory/hosts -m ping all
+
+If something is broken, double-check the inventory variables, paths and the
+generated `<openstack_inventory_path>/hosts` and `openstack_ssh_config_path` files.
+
+The `inventory: dynamic` can be used instead to access cluster nodes directly via
+floating IPs. In this mode you can not use a bastion node and should specify
+the dynamic inventory file in your ansible commands , like `-i openstack.py`.
+
 ## Deployment
 
 ### Run the playbook
 
 Assuming your OpenStack (Keystone) credentials are in the `keystonerc`
-file, this is how you stat the provisioning process:
+this is how you stat the provisioning process from your ansible control node:
 
     . keystonerc
-    ansible-playbook -i inventory --timeout 30  --private-key ~/.ssh/openshift openshift-ansible-contrib/playbooks/provisioning/openstack/provision.yaml
+    ansible-playbook openshift-ansible-contrib/playbooks/provisioning/openstack/provision.yaml
+
+Note, here you start with an empty inventory. The static inventory will be populated
+with data so you can omit providing additional arguments for future ansible commands.
+
+If bastion enabled, the generates SSH config must be applied for ansible.
+Otherwise, it is auto included by the previous step. In order to execute it
+as a separate playbook, use the following command:
+
+    ansible-playbook openshift-ansible-contrib/playbooks/provisioning/openstack/post-provision-openstack.yml
+
+The first infra node then becomes a bastion node as well and proxies access
+for future ansible commands. The post-provision step also configures Satellite,
+if requested, and DNS server, and ensures other OpenShift requirements to be met.
 
 ### Install OpenShift
 
 Once it succeeds, you can install openshift by running:
 
-    ansible-playbook --user openshift --private-key ~/.ssh/openshift -i inventory/ openshift-ansible/playbooks/byo/config.yml
+    ansible-playbook openshift-ansible/playbooks/byo/config.yml
 
 
 ## 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.
+licensed under Apache 2.

playbooks/provisioning/openstack/openstack_dns_records.yml

@@ -1,7 +1,7 @@
 ---
 - 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'] } ] }}"
+    private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['private_v4'] } ] }}"
   with_items: "{{ groups['cluster_hosts'] }}"
 
 - name: "Set the private DNS server to use the external value (if provided)"
@@ -10,37 +10,39 @@
     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
+    - 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_server_private: "{{ hostvars[groups['dns'][0]].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
+    - 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 }}"
+      - 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'] } ] }}"
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': hostvars[item]['ansible_hostname'], 'ip': hostvars[item]['public_v4'] } ] }}"
   with_items: "{{ groups['cluster_hosts'] }}"
+  when: hostvars[item]['public_v4'] is defined
 
 - 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'] } ] }}"
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': '*.' + openshift_app_domain, 'ip': hostvars[item]['public_v4'] } ] }}"
   with_items: "{{ groups['infra_hosts'] }}"
+  when: hostvars[item]['public_v4'] is defined
 
 - name: "Set the public DNS server details to use the external value (if provided)"
   set_fact:
@@ -48,27 +50,27 @@
     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
+    - 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_server_public: "{{ hostvars[groups['dns'][0]].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
+    - 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 }}"
+      - 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:

playbooks/provisioning/openstack/openstack_dns_views.yml

@@ -1,24 +1,24 @@
 ---
 - name: "Generate ACL list for DNS server"
   set_fact:
-    acl_list: "{{ acl_list | default([]) + [ (hostvars[item]['openstack']['private_v4'] + '/32') ] }}"
+    acl_list: "{{ acl_list | default([]) + [ (hostvars[item]['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: "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: "public"
+        zone:
+          - dns_domain: "{{ full_dns_domain }}"
+        forwarder: "{{ public_dns_nameservers }}"
 
 - name: "Generate the final named_config_views"
   set_fact:

playbooks/provisioning/openstack/post-provision-openstack.yml

@@ -1,72 +1,94 @@
 ---
+- hosts: cluster_hosts
+  name: Wait for the the nodes to come up
+  become: False
+  gather_facts: False
+  tasks:
+    - when: not openstack_use_bastion|default(False)|bool
+      wait_for_connection:
+    - when: openstack_use_bastion|default(False)|bool
+      delegate_to: bastion
+      wait_for_connection:
+
+- hosts: cluster_hosts
+  gather_facts: True
+  tasks:
+    - name: Debug hostvar
+      debug:
+        msg: "{{ hostvars[inventory_hostname] }}"
+        verbosity: 2
+
+- name: OpenShift Pre-Requisites (part 1)
+  include: pre-install.yml
+
 - name: Assign hostnames
   hosts: cluster_hosts
   gather_facts: False
   become: true
   pre_tasks:
-  - include: pre_tasks.yml
+    - include: pre_tasks.yml
   roles:
-  - role: hostnames
+    - role: hostnames
 
 - name: Subscribe DNS Host to allow for configuration below
   hosts: dns
   gather_facts: False
   become: true
   roles:
-  - role: subscription-manager
-    when: hostvars.localhost.rhsm_register|default(False)
-    tags: 'subscription-manager'
+    - role: subscription-manager
+      when: hostvars.localhost.rhsm_register|default(False)
+      tags: 'subscription-manager'
 
 - name: Determine which DNS server(s) to use for our generated records
   hosts: localhost
   gather_facts: False
   become: False
   roles:
-  - dns-server-detect
+    - dns-server-detect
 
 - name: Build the DNS Server Views and Configure DNS Server(s)
   hosts: dns
   gather_facts: False
   become: true
   pre_tasks:
-  - include: pre_tasks.yml
-  - name: "Generate dns-server views"
-    include: openstack_dns_views.yml
+    - include: pre_tasks.yml
+    - name: "Generate dns-server views"
+      include: openstack_dns_views.yml
   roles:
-  - role: infra-ansible/roles/dns-server
+    - role: infra-ansible/roles/dns-server
 
 - name: Build and process DNS Records
   hosts: localhost
-  gather_facts: False
+  gather_facts: True
   become: False
   pre_tasks:
-  - include: pre_tasks.yml
-  - name: "Generate dns records"
-    include: openstack_dns_records.yml
+    - include: pre_tasks.yml
+    - name: "Generate dns records"
+      include: openstack_dns_records.yml
   roles:
-  - role: infra-ansible/roles/dns
+    - role: infra-ansible/roles/dns
 
 - name: Switch the stack subnet to the configured private DNS server
   hosts: localhost
   gather_facts: False
   become: False
   vars_files:
-  - stack_params.yaml
+    - stack_params.yaml
   tasks:
-  - include_role:
-      name: openstack-stack
-      tasks_from: subnet_update_dns_servers
+    - include_role:
+        name: openstack-stack
+        tasks_from: subnet_update_dns_servers
 
-- name: OpenShift Pre-Requisites
+- name: OpenShift Pre-Requisites (part 2)
   hosts: OSEv3
   gather_facts: true
   become: true
   pre_tasks:
-  - 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 }}"
+    - 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 }}"
   roles:
-  - node-network-manager
+    - node-network-manager

playbooks/provisioning/openstack/pre_tasks.yml

@@ -15,12 +15,6 @@
     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) }}"

playbooks/provisioning/openstack/provision-openstack.yml

@@ -8,28 +8,24 @@
     - include: pre_tasks.yml
   roles:
     - role: openstack-stack
+    - role: static_inventory
+      when: openstack_inventory|default('static') == 'static'
+      inventory_path: "{{ openstack_inventory_path|default(inventory_dir) }}"
+      private_ssh_key: "{{ openstack_private_ssh_key|default('~/.ssh/id_rsa') }}"
+      ssh_config_path: "{{ openstack_ssh_config_path|default('/tmp/ssh.config.openshift.ansible' + '.' + stack_name) }}"
+      ssh_user: "{{ ansible_user }}"
 
-- name: Refresh Server inventory
+- name: Refresh Server inventory or exit to apply SSH config
   hosts: localhost
   connection: local
   become: False
   gather_facts: False
   tasks:
-    - meta: refresh_inventory
-
-- hosts: cluster_hosts
-  name: Wait for the the nodes to come up
-  become: False
-  gather_facts: False
-  tasks:
-    - wait_for_connection:
-
-- hosts: cluster_hosts
-  gather_facts: True
-  tasks:
-    - name: Debug hostvar
-      debug:
-        msg: "{{ hostvars[inventory_hostname] }}"
-        verbosity: 2
+    - name: Exit to apply SSH config for a bastion
+      meta: end_play
+      when: openstack_use_bastion|default(False)|bool
+    - name: Refresh Server inventory
+      meta: refresh_inventory
 
 - include: post-provision-openstack.yml
+  when: not openstack_use_bastion|default(False)|bool

playbooks/provisioning/openstack/provision.yaml

@@ -2,5 +2,3 @@
 - include: "prerequisites.yml"
 
 - include: "provision-openstack.yml"
-
-- include: "pre-install.yml"

playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml

@@ -5,9 +5,11 @@ openshift_release: 1.5.1
 #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 }}"
+#openshift_cluster_node_labels:
+#  app:
+#    region: primary
+#  infra:
+#    region: infra
 
 osm_default_node_selector: 'region=primary'
 

playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml

@@ -60,3 +60,21 @@ ansible_user: openshift
 
 # # Use a single security group for a cluster (default: false)
 #openstack_flat_secgrp: false
+
+# # Openstack inventory type and cluster nodes access pattern
+# # Defaults to 'static'.
+# # Use 'dynamic' to access cluster nodes directly, via floating IPs
+# # and given a dynamic inventory script, like openstack.py
+#openstack_inventory: static
+# # The path to checkpoint the static inventory from the in-memory one
+#openstack_inventory_path: ../../../../inventory
+
+# # Use bastion node to access cluster nodes (Defaults to False).
+# # Requires a static inventory.
+#openstack_use_bastion: False
+#bastion_ingress_cidr: "{{openstack_subnet_prefix}}.0/24"
+#
+# # The Nova key-pair's private SSH key to access inventory nodes
+#openstack_private_ssh_key: ~/.ssh/openshift
+# # The path for the SSH config to access all nodes
+#openstack_ssh_config_path: /tmp/ssh.config.openshift.ansible.{{ env_id }}.{{ public_dns_domain }}

playbooks/provisioning/openstack/sample-inventory/hosts

@@ -1,44 +0,0 @@
-#[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]

playbooks/provisioning/openstack/sample-inventory/openstack.py

@@ -1,252 +0,0 @@
-#!/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()

playbooks/provisioning/openstack/stack_params.yaml

@@ -21,3 +21,4 @@ master_volume_size: "{{ docker_volume_size }}"
 app_volume_size: "{{ docker_volume_size }}"
 infra_volume_size: "{{ docker_volume_size }}"
 nodes_to_remove: "{{ openstack_nodes_to_remove | default([]) |  to_yaml }}"
+use_bastion: "{{ openstack_use_bastion|default(False) }}"

roles/common/defaults/main.yml

@@ -0,0 +1,6 @@
+---
+openshift_cluster_node_labels:
+  app:
+    region: primary
+  infra:
+    region: infra

roles/dns-server-detect/tasks/main.yml

@@ -2,35 +2,35 @@
 - fail:
     msg: 'Missing required private DNS server(s)'
   when:
-  - external_nsupdate_keys['private'] is undefined
-  - hostvars[groups['dns'][0]] is undefined
+    - external_nsupdate_keys['private'] is undefined
+    - hostvars[groups['dns'][0]] is undefined
 
 - fail:
     msg: 'Missing required public DNS server(s)'
   when:
-  - external_nsupdate_keys['public'] is undefined
-  - hostvars[groups['dns'][0]] is undefined
+    - external_nsupdate_keys['public'] is undefined
+    - hostvars[groups['dns'][0]] is undefined
 
 - name: "Set the private DNS server to use the external value (if provided)"
   set_fact:
     private_dns_server: "{{ external_nsupdate_keys['private']['server'] }}"
   when:
-  - external_nsupdate_keys['private'] is defined
+    - external_nsupdate_keys['private'] is defined
 
 - name: "Set the private DNS server to use the provisioned value"
   set_fact:
-    private_dns_server: "{{ hostvars[groups['dns'][0]].openstack.private_v4 }}"
+    private_dns_server: "{{ hostvars[groups['dns'][0]].private_v4 }}"
   when:
-  - private_dns_server is undefined
+    - private_dns_server is undefined
 
 - name: "Set the public DNS server to use the external value (if provided)"
   set_fact:
     public_dns_server: "{{ external_nsupdate_keys['public']['server'] }}"
   when:
-  - external_nsupdate_keys['public'] is defined
+    - external_nsupdate_keys['public'] is defined
 
 - name: "Set the public DNS server to use the provisioned value"
   set_fact:
-    public_dns_server: "{{ hostvars[groups['dns'][0]].openstack.public_v4 }}"
+    public_dns_server: "{{ hostvars[groups['dns'][0]].public_v4 }}"
   when:
-  - public_dns_server is undefined
+    - public_dns_server is undefined

roles/openstack-stack/defaults/main.yml

@@ -4,6 +4,7 @@ ssh_ingress_cidr: 0.0.0.0/0
 node_ingress_cidr: 0.0.0.0/0
 master_ingress_cidr: 0.0.0.0/0
 lb_ingress_cidr: 0.0.0.0/0
+bastion_ingress_cidr: 0.0.0.0/0
 num_etcd: 0
 num_masters: 1
 num_nodes: 1
@@ -11,3 +12,4 @@ num_dns: 1
 num_infra: 1
 nodes_to_remove: []
 etcd_volume_size: 2
+use_bastion: False

roles/openstack-stack/meta/main.yml

@@ -0,0 +1,3 @@
+---
+dependencies:
+  - role: common

roles/openstack-stack/tasks/main.yml

@@ -8,7 +8,6 @@
 - name: set template paths
   set_fact:
     stack_template_path: "{{ stack_template_pre.path }}/stack.yaml"
-    server_template_path: "{{ stack_template_pre.path }}/server.yaml"
     user_data_template_path: "{{ stack_template_pre.path }}/user-data"
 
 - name: generate HOT stack template from jinja2 template
@@ -19,7 +18,13 @@
 - name: generate HOT server template from jinja2 template
   template:
     src: heat_stack_server.yaml.j2
-    dest: "{{ server_template_path }}"
+    dest: "{{ stack_template_pre.path }}/server.yaml"
+
+- name: generate HOT server w/o floating IPs template from jinja2 template
+  template:
+    src: heat_stack_server_nofloating.yaml.j2
+    dest: "{{ stack_template_pre.path }}/server_nofloating.yaml"
+  when: use_bastion|bool
 
 - name: generate user_data from jinja2 template
   template:

roles/openstack-stack/templates/heat_stack.yaml.j2

@@ -156,6 +156,13 @@ resources:
           port_range_min: 22
           port_range_max: 22
           remote_ip_prefix: {{ ssh_ingress_cidr }}
+{% if use_bastion|bool %}
+        - direction: ingress
+          protocol: tcp
+          port_range_min: 22
+          port_range_max: 22
+          remote_ip_prefix: {{ bastion_ingress_cidr }}
+{% endif %}
         - direction: ingress
           protocol: icmp
           remote_ip_prefix: {{ ssh_ingress_cidr }}
@@ -458,7 +465,11 @@ resources:
     properties:
       count: {{ num_etcd }}
       resource_def:
+{% if use_bastion|bool %}
+        type: server_nofloating.yaml
+{% else %}
         type: server.yaml
+{% endif %}
         properties:
           name:
             str_replace:
@@ -483,7 +494,9 @@ resources:
           secgrp:
             - { get_resource: {% if openstack_flat_secgrp|default(False)|bool %}flat-secgrp{% else %}etcd-secgrp{% endif %} }
             - { get_resource: common-secgrp }
+{% if not use_bastion|bool %}
           floating_network: {{ external_network }}
+{% endif %}
           net_name:
             str_replace:
               template: openshift-ansible-cluster_id-net
@@ -540,7 +553,11 @@ resources:
     properties:
       count: {{ num_masters }}
       resource_def:
+{% if use_bastion|bool %}
+        type: server_nofloating.yaml
+{% else %}
         type: server.yaml
+{% endif %}
         properties:
           name:
             str_replace:
@@ -573,7 +590,9 @@ resources:
 {% endif %}
 {% endif %}
             - { get_resource: common-secgrp }
+{% if not use_bastion|bool %}
           floating_network: {{ external_network }}
+{% endif %}
           net_name:
             str_replace:
               template: openshift-ansible-cluster_id-net
@@ -590,7 +609,11 @@ resources:
       removal_policies:
       - resource_list: {{ nodes_to_remove }}
       resource_def:
+{% if use_bastion|bool %}
+        type: server_nofloating.yaml
+{% else %}
         type: server.yaml
+{% endif %}
         properties:
           name:
             str_replace:
@@ -610,7 +633,9 @@ resources:
           type:        node
           subtype:     app
           node_labels:
-            region: primary
+{% for k, v in openshift_cluster_node_labels.app.iteritems() %}
+            {{ k|e }}: {{ v|e }}
+{% endfor %}
           image:       {{ openstack_image }}
           flavor:      {{ node_flavor }}
           key_name:    {{ ssh_public_key }}
@@ -619,7 +644,9 @@ resources:
           secgrp:
             - { get_resource: {% if openstack_flat_secgrp|default(False)|bool %}flat-secgrp{% else %}node-secgrp{% endif %} }
             - { get_resource: common-secgrp }
+{% if not use_bastion|bool %}
           floating_network: {{ external_network }}
+{% endif %}
           net_name:
             str_replace:
               template: openshift-ansible-cluster_id-net
@@ -654,7 +681,9 @@ resources:
           type:        node
           subtype:     infra
           node_labels:
-            region: infra
+{% for k, v in openshift_cluster_node_labels.infra.iteritems() %}
+            {{ k|e }}: {{ v|e }}
+{% endfor %}
           image:       {{ openstack_image }}
           flavor:      {{ infra_flavor }}
           key_name:    {{ ssh_public_key }}

roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2

@@ -0,0 +1,149 @@
+heat_template_version: 2016-10-14
+
+description: OpenShift cluster server w/o floating IP
+
+parameters:
+
+  name:
+    type: string
+    label: Name
+    description: Name
+
+  group:
+    type: string
+    label: Host Group
+    description: The Primary Ansible Host Group
+    default: host
+
+  cluster_env:
+    type: string
+    label: Cluster environment
+    description: Environment of the cluster
+
+  cluster_id:
+    type: string
+    label: Cluster ID
+    description: Identifier of the cluster
+
+  type:
+    type: string
+    label: Type
+    description: Type master or node
+
+  subtype:
+    type: string
+    label: Sub-type
+    description: Sub-type compute or infra for nodes, default otherwise
+    default: default
+
+  key_name:
+    type: string
+    label: Key name
+    description: Key name of keypair
+
+  image:
+    type: string
+    label: Image
+    description: Name of the image
+
+  flavor:
+    type: string
+    label: Flavor
+    description: Name of the flavor
+
+  net:
+    type: string
+    label: Net ID
+    description: Net resource
+
+  net_name:
+    type: string
+    label: Net name
+    description: Net name
+
+  subnet:
+    type: string
+    label: Subnet ID
+    description: Subnet resource
+
+  secgrp:
+    type: comma_delimited_list
+    label: Security groups
+    description: Security group resources
+
+  availability_zone:
+    type: string
+    description: The Availability Zone to launch the instance.
+    default: nova
+
+  volume_size:
+    type: number
+    description: Size of the volume to be created.
+    default: 1
+    constraints:
+      - range: { min: 1, max: 1024 }
+        description: must be between 1 and 1024 Gb.
+
+  node_labels:
+    type: json
+    description: OpenShift Node Labels
+    default: {"region": "default" }
+
+outputs:
+
+  name:
+    description: Name of the server
+    value: { get_attr: [ server_nofloating, name ] }
+
+  private_ip:
+    description: Private IP of the server
+    value:
+      get_attr:
+        - server_nofloating
+        - addresses
+        - { get_param: net_name }
+        - 0
+        - addr
+
+resources:
+
+  server_nofloating:
+    type: OS::Nova::Server
+    properties:
+      name:      { get_param: name }
+      key_name:  { get_param: key_name }
+      image:     { get_param: image }
+      flavor:    { get_param: flavor }
+      networks:
+        - port:  { get_resource: port }
+      user_data:
+        get_file: user-data
+      user_data_format: RAW
+      metadata:
+        group: { get_param: group }
+        environment: { get_param: cluster_env }
+        clusterid: { get_param: cluster_id }
+        host-type: { get_param: type }
+        sub-host-type:    { get_param: subtype }
+        node_labels: { get_param: node_labels }
+
+  port:
+    type: OS::Neutron::Port
+    properties:
+      network: { get_param: net }
+      fixed_ips:
+        - subnet: { get_param: subnet }
+      security_groups: { get_param: secgrp }
+
+  cinder_volume:
+    type: OS::Cinder::Volume
+    properties:
+      size: { get_param: volume_size }
+      availability_zone: { get_param: availability_zone }
+
+  volume_attachment:
+    type: OS::Cinder::VolumeAttachment
+    properties:
+      volume_id: { get_resource: cinder_volume }
+      instance_uuid: { get_resource: server_nofloating }
+      mountpoint: /dev/sdb

roles/static_inventory/defaults/main.yml

@@ -4,5 +4,18 @@ refresh_inventory: True
 inventory: static
 inventory_path: ~/openstack-inventory
 
+# Either to configure bastion
+use_bastion: true
+
+# SSH user/key/options to access hosts via bastion
+ssh_user: openshift
+ssh_options: >-
+  -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no
+  -o ConnectTimeout=90 -o ControlMaster=auto -o ControlPersist=270s
+  -o ServerAliveInterval=30 -o GSSAPIAuthentication=no
+
 # SSH key to access nodes
 private_ssh_key: ~/.ssh/openshift
+
+# The patch to store the generated config to access bastion/hosts
+ssh_config_path: /tmp/ssh.config.ansible

roles/static_inventory/meta/main.yml

@@ -0,0 +1,3 @@
+---
+dependencies:
+  - role: common

roles/static_inventory/tasks/main.yml

@@ -4,3 +4,7 @@
 
 - name: Checkpoint in-memory data into a static inventory
   include: checkpoint.yml
+
+- name: Generate SSH config for accessing hosts via bastion
+  include: sshconfig.yml
+  when: use_bastion|bool

roles/static_inventory/tasks/openstack.yml

@@ -16,6 +16,7 @@
 
     - name: set_fact for openstack inventory nodes
       set_fact:
+        registered_bastion_nodes: "{{ (registered_nodes_output.stdout | from_json) | json_query(q) }}"
         registered_nodes_floating: "{{ (registered_nodes_output.stdout | from_json) | json_query(q2) }}"
       vars:
         q: "[] | [?metadata.group=='infra.{{stack_name}}']"
@@ -24,24 +25,41 @@
         - refresh_inventory|bool
 
     - name: Add cluster nodes w/o floating IPs to inventory
-      with_items: "{{ registered_nodes }}"
-      when: not item in registered_nodes_floating
+      with_items: "{{ registered_nodes|difference(registered_nodes_floating) }}"
       add_host:
         name: '{{ item.name }}'
         groups: '{{ item.metadata.group }}'
-        ansible_host: '{{ item.private_v4 }}'
+        ansible_host: "{% if use_bastion|bool %}{{ item.name }}{% else %}{{ item.private_v4 }}{% endif %}"
         ansible_fqdn: '{{ item.name }}'
+        ansible_user: '{{ ssh_user }}'
         ansible_private_key_file: '{{ private_ssh_key }}'
+        ansible_ssh_extra_args: '-F {{ ssh_config_path }}'
         private_v4: '{{ item.private_v4 }}'
 
     - name: Add cluster nodes with floating IPs to inventory
       with_items: "{{ registered_nodes_floating }}"
-      when: item in registered_nodes_floating
       add_host:
         name: '{{ item.name }}'
         groups: '{{ item.metadata.group }}'
-        ansible_host: '{{ item.public_v4 }}'
+        ansible_host: "{% if use_bastion|bool %}{{ item.name }}{% else %}{{ item.public_v4 }}{% endif %}"
         ansible_fqdn: '{{ item.name }}'
+        ansible_user: '{{ ssh_user }}'
         ansible_private_key_file: '{{ private_ssh_key }}'
+        ansible_ssh_extra_args: '-F {{ ssh_config_path }}'
         private_v4: '{{ item.private_v4 }}'
         public_v4: '{{ item.public_v4 }}'
+
+    - name: Add bastion node to inventory
+      add_host:
+        name: bastion
+        groups: bastions
+        ansible_host: '{{ registered_bastion_nodes[0].public_v4 }}'
+        ansible_fqdn: '{{ registered_bastion_nodes[0].name }}'
+        ansible_user: '{{ ssh_user }}'
+        ansible_private_key_file: '{{ private_ssh_key }}'
+        ansible_ssh_extra_args: '-F {{ ssh_config_path }}'
+        private_v4: '{{ registered_bastion_nodes[0].private_v4 }}'
+        public_v4: '{{ registered_bastion_nodes[0].public_v4 }}'
+      when:
+        - registered_bastion_nodes is defined
+        - use_bastion|bool

roles/static_inventory/tasks/sshconfig.yml

@@ -0,0 +1,13 @@
+---
+- name: set ssh proxy command prefix for accessing nodes via bastion
+  set_fact:
+    ssh_proxy_command: >-
+      ssh {{ ssh_options }}
+      -i {{ private_ssh_key }}
+      {{ ssh_user }}@{{ hostvars['bastion'].ansible_host }}
+
+- name: regenerate ssh config
+  template:
+    src: openstack_ssh_config.j2
+    dest: "{{ ssh_config_path }}"
+    mode: 0644

roles/static_inventory/templates/inventory.j2

@@ -10,8 +10,12 @@
 %} private_v4={{ hostvars[host]['private_v4'] }}{% endif %}
 {% if 'public_v4' in hostvars[host]
 %} public_v4={{ hostvars[host]['public_v4'] }}{% endif %}
+{% if 'ansible_user' in hostvars[host]
+%} ansible_user={{ hostvars[host]['ansible_user'] }}{% endif %}
 {% if 'ansible_private_key_file' in hostvars[host]
 %} ansible_private_key_file={{ hostvars[host]['ansible_private_key_file'] }}{% endif %}
+{% if use_bastion|bool and 'ansible_ssh_extra_args' in hostvars[host]
+%} ansible_ssh_extra_args={{ hostvars[host]['ansible_ssh_extra_args']|quote }}{% endif %} openshift_hostname={{ host }}
 
 {% endif %}
 {% endfor %}
@@ -19,6 +23,11 @@
 
 #[all:vars]
 # For all group_vars, see ./group_vars/all.yml
+[infra_hosts:vars]
+openshift_node_labels={{ openshift_cluster_node_labels.infra | to_json | quote }}
+
+[app:vars]
+openshift_node_labels={{ openshift_cluster_node_labels.app | to_json | quote }}
 
 # 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.
@@ -28,7 +37,6 @@ OSEv3
 dns
 
 [OSEv3:children]
-masters
 nodes
 etcd
 
@@ -44,6 +52,7 @@ masters.{{ stack_name }}
 
 [etcd:children]
 etcd.{{ stack_name }}
+{% if 'etcd' not in groups or groups['etcd']|length == 0 %}masters.{{ stack_name }}{% endif %}
 
 [nodes:children]
 masters
@@ -53,6 +62,9 @@ nodes.{{ stack_name }}
 [infra_hosts:children]
 infra.{{ stack_name }}
 
+[app:children]
+nodes.{{ stack_name }}
+
 [dns:children]
 dns.{{ stack_name }}
 
@@ -61,6 +73,7 @@ dns.{{ stack_name }}
 [etcd.{{ stack_name }}]
 [infra.{{ stack_name }}]
 [nodes.{{ stack_name }}]
+[app.{{ stack_name }}]
 [dns.{{ stack_name }}]
 
 # BEGIN Autogenerated groups

roles/static_inventory/templates/openstack_ssh_config.j2

@@ -0,0 +1,21 @@
+Host *
+    IdentitiesOnly yes
+
+Host bastion
+    Hostname {{ hostvars['bastion'].ansible_host }}
+    IdentityFile {{ hostvars['bastion'].ansible_private_key_file }}
+    User {{ ssh_user }}
+    StrictHostKeyChecking no
+    UserKnownHostsFile=/dev/null
+
+{% for host in groups['all'] | difference(groups['bastions'][0]) %}
+
+Host {{ host }}
+    Hostname {{ hostvars[host].ansible_host }}
+    ProxyCommand {{ ssh_proxy_command  }} -W {{ hostvars[host].private_v4 }}:22
+    IdentityFile {{ hostvars[host].ansible_private_key_file }}
+    User {{ ssh_user }}
+    StrictHostKeyChecking no
+    UserKnownHostsFile=/dev/null
+
+{% endfor %}