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authorBogdan Dobrelya <bdobreli@redhat.com>2017-07-27 15:39:42 +0200
committerGitHub <noreply@github.com>2017-07-27 15:39:42 +0200
commit1b76aeba44ce8cb1120a6659c375fe8b4c87f919 (patch)
tree4c43dfdfefcc139249458606c9c4edefc1c38c32
parent5cbcfd231054b0f64d9bc70064ecdb892cfbaec5 (diff)
parentdf8f5f0e251a014ab30dabd62c17e151b7fe36e8 (diff)
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Merge pull request #535 from bogdando/bastion_inventory
Options for bastion, SSH config, static inventory autogeneration
-rw-r--r--playbooks/provisioning/openstack/README.md31
-rw-r--r--playbooks/provisioning/openstack/openstack_dns_records.yml2
-rw-r--r--playbooks/provisioning/openstack/post-provision-openstack.yml6
-rw-r--r--playbooks/provisioning/openstack/provision-openstack.yml11
-rw-r--r--playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml7
-rw-r--r--playbooks/provisioning/openstack/stack_params.yaml1
-rw-r--r--roles/openstack-stack/defaults/main.yml2
-rw-r--r--roles/openstack-stack/tasks/main.yml9
-rw-r--r--roles/openstack-stack/templates/heat_stack.yaml.j225
-rw-r--r--roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2149
-rw-r--r--roles/static_inventory/defaults/main.yml13
-rw-r--r--roles/static_inventory/tasks/main.yml4
-rw-r--r--roles/static_inventory/tasks/openstack.yml28
-rw-r--r--roles/static_inventory/tasks/sshconfig.yml13
-rw-r--r--roles/static_inventory/templates/inventory.j25
-rw-r--r--roles/static_inventory/templates/openstack_ssh_config.j221
16 files changed, 312 insertions, 15 deletions
diff --git a/playbooks/provisioning/openstack/README.md b/playbooks/provisioning/openstack/README.md
index 1ff586b49..6b9e5a3a9 100644
--- a/playbooks/provisioning/openstack/README.md
+++ b/playbooks/provisioning/openstack/README.md
@@ -40,7 +40,7 @@ Alternatively you can install directly from github:
-p openshift-ansible-contrib/roles
Notes:
-* This assumes we're in the directory that contains the clonned
+* 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)).
@@ -177,16 +177,30 @@ variables for the `inventory/group_vars/OSEv3.yml`, `all.yml`:
origin_release: 1.5.1
openshift_deployment_type: "{{ deployment_type }}"
-### Configure static inventory
+### 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).
-In this guide, the latter points to the current directory, where you run ansible commands
+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:
@@ -194,7 +208,7 @@ 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` file.
+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
@@ -213,6 +227,15 @@ this is how you stat the provisioning process from your ansible control node:
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
diff --git a/playbooks/provisioning/openstack/openstack_dns_records.yml b/playbooks/provisioning/openstack/openstack_dns_records.yml
index b5f0840c5..980221ed6 100644
--- a/playbooks/provisioning/openstack/openstack_dns_records.yml
+++ b/playbooks/provisioning/openstack/openstack_dns_records.yml
@@ -36,11 +36,13 @@
set_fact:
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]['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:
diff --git a/playbooks/provisioning/openstack/post-provision-openstack.yml b/playbooks/provisioning/openstack/post-provision-openstack.yml
index a807c4d2f..c7df74a87 100644
--- a/playbooks/provisioning/openstack/post-provision-openstack.yml
+++ b/playbooks/provisioning/openstack/post-provision-openstack.yml
@@ -4,7 +4,11 @@
become: False
gather_facts: False
tasks:
- - wait_for_connection:
+ - 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
diff --git a/playbooks/provisioning/openstack/provision-openstack.yml b/playbooks/provisioning/openstack/provision-openstack.yml
index 0cac37aaf..6ec944d56 100644
--- a/playbooks/provisioning/openstack/provision-openstack.yml
+++ b/playbooks/provisioning/openstack/provision-openstack.yml
@@ -12,13 +12,20 @@
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
+ - 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
diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml
index 9eb36ab13..6d07f9b56 100644
--- a/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml
+++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml
@@ -69,5 +69,12 @@ ansible_user: openshift
# # 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 }}
diff --git a/playbooks/provisioning/openstack/stack_params.yaml b/playbooks/provisioning/openstack/stack_params.yaml
index 9c0b09b45..c3a42ab06 100644
--- a/playbooks/provisioning/openstack/stack_params.yaml
+++ b/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) }}"
diff --git a/roles/openstack-stack/defaults/main.yml b/roles/openstack-stack/defaults/main.yml
index 4831d6bc4..803a96389 100644
--- a/roles/openstack-stack/defaults/main.yml
+++ b/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
diff --git a/roles/openstack-stack/tasks/main.yml b/roles/openstack-stack/tasks/main.yml
index a53e6350b..9b4855294 100644
--- a/roles/openstack-stack/tasks/main.yml
+++ b/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:
diff --git a/roles/openstack-stack/templates/heat_stack.yaml.j2 b/roles/openstack-stack/templates/heat_stack.yaml.j2
index 54941db06..524f466ff 100644
--- a/roles/openstack-stack/templates/heat_stack.yaml.j2
+++ b/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:
@@ -621,7 +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
diff --git a/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2 b/roles/openstack-stack/templates/heat_stack_server_nofloating.yaml.j2
new file mode 100644
index 000000000..792a8b90c
--- /dev/null
+++ b/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
diff --git a/roles/static_inventory/defaults/main.yml b/roles/static_inventory/defaults/main.yml
index 315965cde..63de45646 100644
--- a/roles/static_inventory/defaults/main.yml
+++ b/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
diff --git a/roles/static_inventory/tasks/main.yml b/roles/static_inventory/tasks/main.yml
index 15c81690e..b58866017 100644
--- a/roles/static_inventory/tasks/main.yml
+++ b/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
diff --git a/roles/static_inventory/tasks/openstack.yml b/roles/static_inventory/tasks/openstack.yml
index a25502835..499adf08c 100644
--- a/roles/static_inventory/tasks/openstack.yml
+++ b/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
diff --git a/roles/static_inventory/tasks/sshconfig.yml b/roles/static_inventory/tasks/sshconfig.yml
new file mode 100644
index 000000000..7119fe6ff
--- /dev/null
+++ b/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
diff --git a/roles/static_inventory/templates/inventory.j2 b/roles/static_inventory/templates/inventory.j2
index 464726a0b..24dc9d4a8 100644
--- a/roles/static_inventory/templates/inventory.j2
+++ b/roles/static_inventory/templates/inventory.j2
@@ -10,9 +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 %}
- openshift_hostname={{ host }}
+{% 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 %}
diff --git a/roles/static_inventory/templates/openstack_ssh_config.j2 b/roles/static_inventory/templates/openstack_ssh_config.j2
new file mode 100644
index 000000000..ad5d1253a
--- /dev/null
+++ b/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 %}