diff --git a/ansible/library/kolla_container_facts.py b/ansible/library/kolla_container_facts.py
new file mode 100644
index 0000000000000000000000000000000000000000..a2c73009d7c5ea738cb24d2ae8d61adfa78a6ad2
--- /dev/null
+++ b/ansible/library/kolla_container_facts.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+
+# Copyright 2016 99cloud
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+DOCUMENTATION = '''
+---
+module: kolla_container_facts
+short_description: Module for collecting Docker container facts
+description:
+ - A module targeting at collecting Docker container facts. It is used for
+ detecting whether the container is running on host in Kolla.
+options:
+ api_version:
+ description:
+ - The version of the api for docker-py to use when contacting docker
+ required: False
+ type: str
+ default: auto
+ name:
+ description:
+ - Name or names of the containers
+ required: False
+ type: str or list
+author: Jeffrey Zhang
+'''
+
+EXAMPLES = '''
+- hosts: all
+ tasks:
+ - name: Gather docker facts
+ kolla_container_facts:
+
+ - name: Gather glance container facts
+ kolla_container_facts:
+ name:
+ - glance_api
+ - glance_registry
+'''
+
+import docker
+
+
+def main():
+ argument_spec = dict(
+ name=dict(required=False, type='list', default=[]),
+ api_version=dict(required=False, type='str', default='auto')
+ )
+
+ module = AnsibleModule(argument_spec=argument_spec)
+
+ results = dict(changed=False, _containers=[])
+ client = docker.Client(version=module.params.get('api_version'))
+ containers = client.containers()
+ names = module.params.get('name')
+ if names and not isinstance(names, list):
+ names = [names]
+ for container in containers:
+ for container_name in container['Names']:
+ # remove '/' prefix character
+ container_name = container_name[1:]
+ if names and container_name not in names:
+ continue
+ results['_containers'].append(container)
+ results[container_name] = container
+ module.exit_json(**results)
+
+
+from ansible.module_utils.basic import * # noqa
+if __name__ == "__main__":
+ main()
diff --git a/ansible/roles/glance/tasks/precheck.yml b/ansible/roles/glance/tasks/precheck.yml
index ed97d539c095cf1413af30cc23dea272095b97dd..37876d4f41a02ca1d6d5c8f78dbe0867a9099aa4 100644
--- a/ansible/roles/glance/tasks/precheck.yml
+++ b/ansible/roles/glance/tasks/precheck.yml
@@ -1 +1,27 @@
---
+- name: Get container facts
+ kolla_container_facts:
+ name:
+ - glance_api
+ - glance_registry
+ register: container_facts
+
+- name: Checking free port for Glance API
+ wait_for:
+ host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
+ port: "{{ glance_api_port }}"
+ connect_timeout: 1
+ state: stopped
+ when:
+ - inventory_hostname in groups['glance-api']
+ - container_facts['glance_api'] is not defined
+
+- name: Checking free port for Glance Registry
+ wait_for:
+ host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
+ port: "{{ glance_registry_port }}"
+ connect_timeout: 1
+ state: stopped
+ when:
+ - inventory_hostname in groups['glance-registry']
+ - container_facts['glance_registry'] is not defined
diff --git a/ansible/roles/haproxy/tasks/precheck.yml b/ansible/roles/haproxy/tasks/precheck.yml
index ed97d539c095cf1413af30cc23dea272095b97dd..0dc35c9802539c4a6e099a3c04736ee7c4aa0e2e 100644
--- a/ansible/roles/haproxy/tasks/precheck.yml
+++ b/ansible/roles/haproxy/tasks/precheck.yml
@@ -1 +1,37 @@
---
+- name: Get container facts
+ kolla_container_facts:
+ name: haproxy
+ register: container_facts
+
+- name: Getting haproxy stat
+ shell: echo "show stat" | docker exec -i haproxy socat unix-connect:/var/lib/kolla/haproxy/haproxy.sock stdio
+ register: haproxy_stat_shell
+ changed_when: false
+ failed_when: false
+ when: container_facts['haproxy'] is defined
+
+- set_fact:
+ haproxy_stat: "{{ haproxy_stat_shell.stdout|default('') }}"
+
+- name: Checking free port for Glance API HAProxy
+ wait_for:
+ host: "{{ kolla_internal_vip_address }}"
+ port: "{{ glance_api_port }}"
+ connect_timeout: 1
+ state: stopped
+ when:
+ - enable_glance | bool
+ - inventory_hostname in groups['haproxy']
+ - "{{ 'glance_api' not in haproxy_stat }}"
+
+- name: Checking free port for Glance Registry HAProxy
+ wait_for:
+ host: "{{ kolla_internal_vip_address }}"
+ port: "{{ glance_registry_port }}"
+ connect_timeout: 1
+ state: stopped
+ when:
+ - enable_glance | bool
+ - inventory_hostname in groups['haproxy']
+ - "{{ 'glance_registry' not in haproxy_stat }}"
diff --git a/ansible/roles/prechecks/tasks/port_checks.yml b/ansible/roles/prechecks/tasks/port_checks.yml
index 7aa1e0d67340c087e3a5e32dc8ac55cdc96a73b9..1968b6153c198b39877d996ece61fb6a7bdc15c1 100644
--- a/ansible/roles/prechecks/tasks/port_checks.yml
+++ b/ansible/roles/prechecks/tasks/port_checks.yml
@@ -173,46 +173,6 @@
- inventory_hostname in groups['etcd']
- enable_etcd | bool
-- name: Checking free port for Glance API
- wait_for:
- host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
- port: "{{ glance_api_port }}"
- connect_timeout: 1
- state: stopped
- when:
- - inventory_hostname in groups['glance-api']
- - enable_glance | bool
-
-- name: Checking free port for Glance API HAProxy
- wait_for:
- host: "{{ kolla_internal_vip_address }}"
- port: "{{ glance_api_port }}"
- connect_timeout: 1
- state: stopped
- when:
- - inventory_hostname in groups['haproxy']
- - enable_glance | bool
-
-- name: Checking free port for Glance Registry
- wait_for:
- host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
- port: "{{ glance_registry_port }}"
- connect_timeout: 1
- state: stopped
- when:
- - inventory_hostname in groups['glance-registry']
- - enable_glance | bool
-
-- name: Checking free port for Glance Registry HAProxy
- wait_for:
- host: "{{ kolla_internal_vip_address }}"
- port: "{{ glance_registry_port }}"
- connect_timeout: 1
- state: stopped
- when:
- - inventory_hostname in groups['haproxy']
- - enable_glance | bool
-
- name: Checking free port for Gnocchi API
wait_for:
host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"