Implement nova placement service

Closes-Bug: #1660987
Depends-On: I30efc20e6d918e08860584c017455e6d5fa91a35
Change-Id: If0a79b6013f28871dc9f13c510c919078f3304d5

ansible/group_vars/all.yml

@@ -172,6 +172,8 @@ glance_registry_port: "9191"
 octavia_api_port: "9876"
 octavia_health_manager_port: "5555"
 
+placement_api_port: "8780"
+
 nova_api_port: "8774"
 nova_metadata_port: "8775"
 nova_novncproxy_port: "6080"

ansible/inventory/all-in-one

@@ -175,6 +175,9 @@ control
 [designate:children]
 control
 
+[placement:children]
+control
+
 # Additional control implemented here. These groups allow you to control which
 # services run on which hosts at a per-service level.
 #
@@ -511,3 +514,7 @@ designate
 
 [designate-backend-bind9:children]
 designate
+
+# Placement
+[placement-api:children]
+placement

ansible/inventory/multinode

@@ -192,6 +192,9 @@ control
 [designate:children]
 control
 
+[placement:children]
+control
+
 # Additional control implemented here. These groups allow you to control which
 # services run on which hosts at a per-service level.
 #
@@ -528,3 +531,7 @@ designate
 
 [designate-backend-bind9:children]
 designate
+
+# Placement
+[placement-api:children]
+placement

ansible/roles/haproxy/templates/haproxy.cfg.j2

@@ -115,6 +115,13 @@ listen nova_metadata
   server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ nova_metadata_port }} check inter 2000 rise 2 fall 5
 {% endfor %}
 
+listen placement_api
+  bind {{ kolla_internal_vip_address }}:{{ placement_api_port }}
+  http-request del-header X-Forwarded-Proto
+{% for host in groups['placement-api'] %}
+  server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ placement_api_port }} check inter 2000 rise 2 fall 5
+{% endfor %}
+
 {% if nova_console == 'novnc' %}
 listen nova_novncproxy
   bind {{ kolla_internal_vip_address }}:{{ nova_novncproxy_port }}
@@ -156,6 +163,14 @@ listen nova_metadata_external
   server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ nova_metadata_port }} check inter 2000 rise 2 fall 5
 {% endfor %}
 
+listen placement_api_external
+  bind {{ kolla_internal_vip_address }}:{{ placement_api_port }}
+  http-request del-header X-Forwarded-Proto
+  http-request set-header X-Forwarded-Proto https if { ssl_fc }
+{% for host in groups['placement-api'] %}
+  server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ placement_api_port }} check inter 2000 rise 2 fall 5
+{% endfor %}
+
 {% if nova_console == 'novnc' %}
 listen nova_novncproxy_external
   bind {{ kolla_external_vip_address }}:{{ nova_novncproxy_port }} {{ tls_bind_info }}

ansible/roles/nova/defaults/main.yml

@@ -33,6 +33,15 @@ nova_services:
       - "nova_compute:/var/lib/nova"
       - "/var/lib/nova/mnt:/var/lib/nova/mnt:shared"
       - "heka_socket:/var/lib/kolla/heka/"
+  placement-api:
+    container_name: "placement_api"
+    group: "placement-api"
+    image: "{{ placement_api_image_full }}"
+    enabled: True
+    volumes:
+      - "{{ node_config_directory }}/placement-api/:{{ container_config_directory }}/:ro"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "kolla_logs:/var/log/kolla/"
   nova-api:
     container_name: "nova_api"
     group: "nova-api"
@@ -200,6 +209,10 @@ nova_serialproxy_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{
 nova_serialproxy_tag: "{{ openstack_release }}"
 nova_serialproxy_image_full: "{{ nova_serialproxy_image }}:{{ nova_serialproxy_tag }}"
 
+placement_api_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{{ docker_namespace }}/{{ kolla_base_distro }}-{{ kolla_install_type }}-nova-placement-api"
+placement_api_tag: "{{ openstack_release }}"
+placement_api_image_full: "{{ placement_api_image }}:{{ placement_api_tag }}"
+
 ####################
 # OpenStack
 ####################
@@ -211,8 +224,14 @@ nova_admin_endpoint: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ nova_a
 nova_internal_endpoint: "{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ nova_api_port }}/v2.1/%(tenant_id)s"
 nova_public_endpoint: "{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ nova_api_port }}/v2.1/%(tenant_id)s"
 
+placement_admin_endpoint: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ placement_api_port }}"
+placement_internal_endpoint: "{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ placement_api_port }}"
+placement_public_endpoint: "{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ placement_api_port }}"
+
 nova_logging_debug: "{{ openstack_logging_debug }}"
 
 openstack_nova_auth: "{{ openstack_auth }}"
+openstack_placement_auth: "{{ openstack_auth }}"
+
 
 nova_ssh_port: "8022"

ansible/roles/nova/handlers/main.yml

@@ -46,6 +46,30 @@
       or nova_libvirt_confs.changed | bool
       or nova_libvirt_container.changed | bool
 
+- name: Restart placement-api container
+  vars:
+    service_name: "placement-api"
+    service: "{{ nova_services[service_name] }}"
+    config_json: "{{ config_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    nova_conf: "{{ nova_confs.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    policy_json: "{{ policy_jsons.results|selectattr('item.key', 'equalto', service_name)|first }}"
+    placement_api_container: "{{ check_nova_containers.results|selectattr('item.key', 'equalto', service_name)|first }}"
+  kolla_docker:
+    action: "recreate_or_restart_container"
+    common_options: "{{ docker_common_options }}"
+    name: "{{ service.container_name }}"
+    image: "{{ service.image }}"
+    volumes: "{{ service.volumes|reject('equalto', '')|list }}"
+  when:
+    - action != "config"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+    - config_json.changed | bool
+      or nova_conf.changed | bool
+      or policy_json.changed | bool
+      or placement_api_wsgi_conf | changed
+      or placement_api_container.changed | bool
+
 - name: Restart nova-api container
   vars:
     service_name: "nova-api"

ansible/roles/nova/tasks/config.yml

@@ -35,6 +35,7 @@
 - name: Copying over nova.conf
   vars:
     services_require_nova_conf:
+      - placement-api
       - nova-api
       - nova-compute
       - nova-compute-ironic
@@ -81,6 +82,19 @@
   notify:
     - Restart nova-libvirt container
 
+- name: Copying over placement-api wsgi configuration
+  vars:
+    service: "{{ nova_services['placement-api'] }}"
+  template:
+    src: "placement-api-wsgi.conf.j2"
+    dest: "{{ node_config_directory }}/placement-api/placement-api-wsgi.conf"
+  register: placement_api_wsgi_conf
+  when:
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
+  notify:
+    - Restart placement-api container
+
 - name: Copying files for nova-ssh
   vars:
     service: "{{ nova_services['nova-ssh'] }}"
@@ -106,6 +120,7 @@
 - name: Copying over existing policy.json
   vars:
     services_require_policy_json:
+      - placement-api
       - nova-api
       - nova-compute
       - nova-compute-ironic

ansible/roles/nova/tasks/register.yml

@@ -25,6 +25,10 @@
     - {'name': 'nova', 'service_type': 'compute', 'interface': 'admin', 'url': '{{ nova_admin_endpoint }}', 'description': 'OpenStack Compute Service'}
     - {'name': 'nova', 'service_type': 'compute', 'interface': 'internal', 'url': '{{ nova_internal_endpoint }}', 'description': 'OpenStack Compute Service'}
     - {'name': 'nova', 'service_type': 'compute', 'interface': 'public', 'url': '{{ nova_public_endpoint }}', 'description': 'OpenStack Compute Service'}
+    - {'name': 'placement', 'service_type': 'placement', 'interface': 'admin', 'url': '{{ placement_admin_endpoint }}', 'description': 'Placement Service'}
+    - {'name': 'placement', 'service_type': 'placement', 'interface': 'internal', 'url': '{{ placement_internal_endpoint }}', 'description': 'Placement Service'}
+    - {'name': 'placement', 'service_type': 'placement', 'interface': 'public', 'url': '{{ placement_public_endpoint }}', 'description': 'Placement Service'}
+
 
 - name: Creating the Nova project, user, and role
   kolla_toolbox:
@@ -43,3 +47,21 @@
   retries: 10
   delay: 5
   run_once: True
+
+- name: Creating the placement project, user, and role
+  kolla_toolbox:
+    module_name: "kolla_keystone_user"
+    module_args:
+      project: "service"
+      user: "placement"
+      password: "{{ placement_keystone_password }}"
+      role: "admin"
+      region_name: "{{ openstack_region_name }}"
+      auth: "{{ '{{ openstack_placement_auth }}' }}"
+    module_extra_vars:
+      openstack_placement_auth: "{{ openstack_placement_auth }}"
+  register: placement_user
+  until: placement_user|success
+  retries: 10
+  delay: 5
+  run_once: True

ansible/roles/nova/templates/nova.conf.j2

@@ -215,3 +215,13 @@ api_paste_config = /etc/nova/api-paste.ini
 
 [scheduler]
 max_attempts = 10
+
+[placement]
+auth_type = password
+auth_url = {{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}
+username = placement
+password = {{ placement_keystone_password }}
+user_domain_name = default
+project_name = service
+project_domain_name = default
+os_region_name = {{ openstack_region_name }}

ansible/roles/nova/templates/placement-api-wsgi.conf.j2

@@ -0,0 +1,23 @@
+{% set log_dir = '/var/log/kolla/nova' %}
+{% set python_path = '/usr/lib/python2.7/site-packages' if kolla_install_type == 'binary' else '/var/lib/kolla/venv/lib/python2.7/site-packages' %}
+{% set wsgi_directory = '/usr/bin' if kolla_install_type == 'binary' else '/var/lib/kolla/venv/bin' %}
+Listen {{ api_interface_address }}:{{ placement_api_port }}
+
+<VirtualHost *:{{ placement_api_port }}>
+    WSGIDaemonProcess placement-api processes={{ openstack_service_workers }} threads=1 user=nova group=nova display-name=%{GROUP} python-path={{ python_path }}
+    WSGIProcessGroup placement-api
+    WSGIScriptAlias / {{ wsgi_directory }}/nova-placement-api
+    WSGIApplicationGroup %{GLOBAL}
+    WSGIPassAuthorization On
+    <IfVersion >= 2.4>
+      ErrorLogFormat "%{cu}t %M"
+    </IfVersion>
+    ErrorLog "{{ log_dir }}/placement-api.log"
+    LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b %D \"%{Referer}i\" \"%{User-Agent}i\"" logformat
+    CustomLog "{{ log_dir }}/placement-api-access.log" logformat
+    <Directory {{ wsgi_directory }}>
+        <Files nova-placement-api>
+            Require all granted
+        </Files>
+    </Directory>
+</VirtualHost>

ansible/roles/nova/templates/placement-api.json.j2

@@ -0,0 +1,33 @@
+{% set apache_binary = 'apache2' if kolla_base_distro in ['ubuntu', 'debian'] else 'httpd' %}
+{% set apache_conf_dir = 'apache2/conf-enabled' if kolla_base_distro in ['ubuntu', 'debian'] else 'httpd/conf.d' %}
+{
+    "command": "/usr/sbin/{{ apache_binary }} -DFOREGROUND",
+    "config_files": [
+        {
+            "source": "{{ container_config_directory }}/nova.conf",
+            "dest": "/etc/nova/nova.conf",
+            "owner": "nova",
+            "perm": "0600"
+        },
+        {
+            "source": "{{ container_config_directory }}/policy.json",
+            "dest": "/etc/nova/policy.json",
+            "owner": "nova",
+            "perm": "0600",
+            "optional": true
+        },
+        {
+            "source": "{{ container_config_directory }}/placement-api-wsgi.conf",
+            "dest": "/etc/{{ apache_conf_dir }}/placement-api-wsgi.conf",
+            "owner": "nova",
+            "perm": "0644"
+        }
+    ],
+    "permissions": [
+        {
+            "path": "/var/log/kolla/nova",
+            "owner": "nova:nova",
+            "recurse": true
+        }
+    ]
+}

etc/kolla/passwords.yml

@@ -49,6 +49,8 @@ nova_database_password:
 nova_api_database_password:
 nova_keystone_password:
 
+placement_keystone_password:
+
 neutron_database_password:
 neutron_keystone_password:
 metadata_secret: