Cleanup unused openstack provider code

Remove references for bastion, ssh UI tunnek and static inventory.
Update docs.

Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>

5 files changed, 7 insertions, 122 deletions

diff --git a/playbooks/openstack/README.md b/playbooks/openstack/README.md
index c762169eb..a2490bebc 100644
--- a/playbooks/openstack/README.md
+++ b/playbooks/openstack/README.md
@@ -210,7 +210,6 @@ advanced configuration:
 * [External Dns][external-dns]
 * Multiple Clusters (TODO)
 * [Cinder Registry][cinder-registry]
-* [Bastion Node][bastion]
 
 
 [ansible]: https://www.ansible.com/
@@ -229,4 +228,3 @@ advanced configuration:
 [loadbalancer]: ./advanced-configuration.md#multi-master-configuration
 [external-dns]: ./advanced-configuration.md#dns-configuration-variables
 [cinder-registry]: ./advanced-configuration.md#creating-and-using-a-cinder-volume-for-the-openshift-registry
-[bastion]: ./advanced-configuration.md#configure-static-inventory-and-access-via-a-bastion-node
diff --git a/playbooks/openstack/advanced-configuration.md b/playbooks/openstack/advanced-configuration.md
index c0bdf5020..cb8af4a9e 100644
--- a/playbooks/openstack/advanced-configuration.md
+++ b/playbooks/openstack/advanced-configuration.md
@@ -328,14 +328,6 @@ The `openshift_openstack_required_packages` variable also provides a list of the
 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.
-
 ## Multi-master configuration
 
 Please refer to the official documentation for the
@@ -538,43 +530,6 @@ You can also run the registry setup playbook directly:
 
 
 
-## Configure static inventory and access via a bastion node
-
-Example inventory variables:
-
-    openshift_openstack_use_bastion: true
-    openshift_openstack_bastion_ingress_cidr: "{{openshift_openstack_subnet_prefix}}.0/24"
-    openstack_private_ssh_key: ~/.ssh/id_rsa
-    openstack_inventory: static
-    openstack_inventory_path: ../../../../inventory
-    openstack_ssh_config_path: /tmp/ssh.config.openshift.ansible.openshift.example.com
-
-The `openshift_openstack_subnet_prefix` is the openstack private network for your cluster.
-And the `openshift_openstack_bastion_ingress_cidr` defines accepted range for SSH connections to nodes
-additionally to the `openshift_openstack_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`.
-
 ## Using Docker on the Ansible host
 
 If you don't want to worry about the dependencies, you can use the
@@ -604,28 +559,6 @@ the playbooks:
     ansible-playbook openshift-ansible-contrib/playbooks/provisioning/openstack/provision.yaml
 
 
-### Run the playbook
-
-Assuming your OpenStack (Keystone) credentials are in the `keystonerc`
-this is how you stat the provisioning process from your ansible control node:
-
-    . keystonerc
-    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.
-
-
 ## Running Custom Post-Provision Actions
 
 A custom playbook can be run like this:
@@ -733,21 +666,6 @@ Once it succeeds, you can install openshift by running:
 
 OpenShift UI may be accessed via the 1st master node FQDN, port 8443.
 
-When using a bastion, you may want to make an SSH tunnel from your control node
-to access UI on the `https://localhost:8443`, with this inventory variable:
-
-   openshift_openstack_ui_ssh_tunnel: True
-
-Note, this requires sudo rights on the ansible control node and an absolute path
-for the `openstack_private_ssh_key`. You should also update the control node's
-`/etc/hosts`:
-
-    127.0.0.1 master-0.openshift.example.com
-
-In order to access UI, the ssh-tunnel service will be created and started on the
-control node. Make sure to remove these changes and the service manually, when not
-needed anymore.
-
 ## Scale Deployment up/down
 
 ### Scaling up
@@ -766,5 +684,3 @@ Usage:
 ```
 ansible-playbook -i <path to inventory> openshift-ansible-contrib/playbooks/provisioning/openstack/scale-up.yaml` [-e increment_by=<number>] [-e openshift_ansible_dir=<path to openshift-ansible>]
 ```
-
-Note: This playbook works only without a bastion node (`openshift_openstack_use_bastion: False`).
diff --git a/roles/openshift_openstack/defaults/main.yml b/roles/openshift_openstack/defaults/main.yml
index 5f182e0d6..e72e7a9df 100644
--- a/roles/openshift_openstack/defaults/main.yml
+++ b/roles/openshift_openstack/defaults/main.yml
@@ -4,7 +4,6 @@ openshift_openstack_stack_state: 'present'
 openshift_openstack_ssh_ingress_cidr: 0.0.0.0/0
 openshift_openstack_node_ingress_cidr: 0.0.0.0/0
 openshift_openstack_lb_ingress_cidr: 0.0.0.0/0
-openshift_openstack_bastion_ingress_cidr: 0.0.0.0/0
 openshift_openstack_num_etcd: 0
 openshift_openstack_num_masters: 1
 openshift_openstack_num_nodes: 1
@@ -91,6 +90,4 @@ openshift_openstack_node_volume_size: "{{ openshift_openstack_docker_volume_size
 openshift_openstack_etcd_volume_size: 2
 openshift_openstack_dns_volume_size: 1
 openshift_openstack_lb_volume_size: 5
-openshift_openstack_use_bastion: false
-openshift_openstack_ui_ssh_tunnel: false
 openshift_openstack_ephemeral_volumes: false
diff --git a/roles/openshift_openstack/tasks/populate-dns.yml b/roles/openshift_openstack/tasks/populate-dns.yml
index c03aceb94..b5c4da532 100644
--- a/roles/openshift_openstack/tasks/populate-dns.yml
+++ b/roles/openshift_openstack/tasks/populate-dns.yml
@@ -63,15 +63,6 @@
   when:
     - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
     - openshift_openstack_num_masters == 1
-    - not openshift_openstack_use_bastion|bool
-
-- name: "Add public master cluster hostname records to the public A records (single master behind a bastion)"
-  set_fact:
-    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(openshift_openstack_full_dns_domain, ''))[:-1], 'ip': hostvars[groups.bastions[0]].public_v4 } ] }}"
-  when:
-    - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
-    - openshift_openstack_num_masters == 1
-    - openshift_openstack_use_bastion|bool
 
 - name: "Add public master cluster hostname records to the public A records (multi-master)"
   set_fact:
diff --git a/roles/openshift_openstack/templates/heat_stack.yaml.j2 b/roles/openshift_openstack/templates/heat_stack.yaml.j2
index 0e7538629..ec488941e 100644
--- a/roles/openshift_openstack/templates/heat_stack.yaml.j2
+++ b/roles/openshift_openstack/templates/heat_stack.yaml.j2
@@ -72,7 +72,7 @@ outputs:
 {% endif %}
 
 conditions:
-  no_floating: {% if openshift_openstack_provider_network_name or openshift_openstack_use_bastion|bool %}true{% else %}false{% endif %}
+  no_floating: {% if openshift_openstack_provider_network_name %}true{% else %}false{% endif %}
 
 resources:
 
@@ -180,13 +180,6 @@ resources:
           port_range_min: 22
           port_range_max: 22
           remote_ip_prefix: {{ openshift_openstack_ssh_ingress_cidr }}
-{% if openshift_openstack_use_bastion|bool %}
-        - direction: ingress
-          protocol: tcp
-          port_range_min: 22
-          port_range_max: 22
-          remote_ip_prefix: {{ openshift_openstack_bastion_ingress_cidr }}
-{% endif %}
         - direction: ingress
           protocol: icmp
           remote_ip_prefix: {{ openshift_openstack_ssh_ingress_cidr }}
@@ -480,7 +473,7 @@ resources:
           remote_ip_prefix: "{{ openshift_openstack_subnet_prefix }}.0/24"
 {% endif %}
 
-{% if openshift_openstack_num_masters|int > 1 or openshift_openstack_ui_ssh_tunnel|bool %}
+{% if openshift_openstack_num_masters|int > 1 %}
   lb-secgrp:
     type: OS::Neutron::SecurityGroup
     properties:
@@ -491,20 +484,13 @@ resources:
         protocol: tcp
         port_range_min: {{ openshift_master_api_port | default(8443) }}
         port_range_max: {{ openshift_master_api_port | default(8443) }}
-        remote_ip_prefix: {{ openshift_openstack_lb_ingress_cidr | default(openshift_openstack_bastion_ingress_cidr) }}
-{% if openshift_openstack_ui_ssh_tunnel|bool %}
-      - direction: ingress
-        protocol: tcp
-        port_range_min: {{ openshift_master_api_port | default(8443) }}
-        port_range_max: {{ openshift_master_api_port | default(8443) }}
-        remote_ip_prefix: {{ openshift_openstack_ssh_ingress_cidr }}
-{% endif %}
+        remote_ip_prefix: {{ openshift_openstack_lb_ingress_cidr }}
 {% if openshift_master_console_port is defined and openshift_master_console_port != openshift_master_api_port %}
       - direction: ingress
         protocol: tcp
         port_range_min: {{ openshift_master_console_port | default(8443) }}
         port_range_max: {{ openshift_master_console_port | default(8443) }}
-        remote_ip_prefix: {{ openshift_openstack_lb_ingress_cidr | default(openshift_openstack_bastion_ingress_cidr) }}
+        remote_ip_prefix: {{ openshift_openstack_lb_ingress_cidr }}
 {% endif %}
 {% endif %}
 
@@ -553,7 +539,7 @@ resources:
               - no_floating
               - null
               - {{ openshift_openstack_external_network_name }}
-{% if openshift_openstack_use_bastion|bool or openshift_openstack_provider_network_name %}
+{% if openshift_openstack_provider_network_name %}
           attach_float_net: false
 {% endif %}
           volume_size: {{ openshift_openstack_etcd_volume_size }}
@@ -685,7 +671,7 @@ resources:
               - no_floating
               - null
               - {{ openshift_openstack_external_network_name }}
-{% if openshift_openstack_use_bastion|bool or openshift_openstack_provider_network_name %}
+{% if openshift_openstack_provider_network_name %}
           attach_float_net: false
 {% endif %}
           volume_size: {{ openshift_openstack_master_volume_size }}
@@ -755,7 +741,7 @@ resources:
               - no_floating
               - null
               - {{ openshift_openstack_external_network_name }}
-{% if openshift_openstack_use_bastion|bool or openshift_openstack_provider_network_name %}
+{% if openshift_openstack_provider_network_name %}
           attach_float_net: false
 {% endif %}
           volume_size: {{ openshift_openstack_node_volume_size }}
@@ -818,9 +804,6 @@ resources:
 {% else %}
             - { get_resource: node-secgrp }
 {% endif %}
-{% if openshift_openstack_ui_ssh_tunnel|bool and openshift_openstack_num_masters|int < 2 %}
-            - { get_resource: lb-secgrp }
-{% endif %}
             - { get_resource: infra-secgrp }
             - { get_resource: common-secgrp }
 {% if not openshift_openstack_provider_network_name %}