Merge "Switch to Monasca API for logs"

ansible/group_vars/all.yml

@@ -344,7 +344,7 @@ memcached_port: "11211"
 mistral_api_port: "8989"
 
 monasca_api_port: "8070"
-monasca_log_api_port: "5607"
+monasca_log_api_port: "{{ monasca_api_port }}"
 monasca_agent_forwarder_port: "17123"
 monasca_agent_statsd_port: "8125"
 monasca_grafana_server_port: "3001"

ansible/inventory/all-in-one

@@ -442,9 +442,6 @@ monasca
 [monasca-grafana:children]
 monasca
 
-[monasca-log-api:children]
-monasca
-
 [monasca-log-transformer:children]
 monasca
 

ansible/inventory/multinode

@@ -451,9 +451,6 @@ monasca
 [monasca-grafana:children]
 monasca
 
-[monasca-log-api:children]
-monasca
-
 [monasca-log-transformer:children]
 monasca
 

ansible/roles/common/templates/conf/filter/01-rewrite-0.12.conf.j2

@@ -1,7 +1,7 @@
 <match kolla.var.log.kolla.*.*.log>
     @type rewrite_tag_filter
     capitalize_regex_backreference yes
-    rewriterule1 programname ^(cinder-api-access|cloudkitty-api-access|gnocchi-api-access|horizon-access|keystone-apache-admin-access|keystone-apache-public-access|monasca-api-access|monasca-log-api-access|placement-api-access|panko-api-access)$ apache_access
+    rewriterule1 programname ^(cinder-api-access|cloudkitty-api-access|gnocchi-api-access|horizon-access|keystone-apache-admin-access|keystone-apache-public-access|monasca-api-access|placement-api-access|panko-api-access)$ apache_access
     rewriterule2 programname ^(aodh_wsgi_access|barbican-api|zun_api_wsgi_access|vitrage_wsgi_access)$ wsgi_access
     rewriterule3 programname ^(nova-api|nova-compute|nova-compute-ironic|nova-conductor|nova-manage|nova-novncproxy|nova-scheduler|nova-placement-api|placement-api|privsep-helper)$ openstack_python
     rewriterule4 programname ^(sahara-api|sahara-engine)$ openstack_python

ansible/roles/common/templates/conf/filter/01-rewrite-0.14.conf.j2

@@ -3,7 +3,7 @@
     capitalize_regex_backreference yes
   <rule>
     key     programname
-    pattern ^(cinder-api-access|cloudkitty-api-access|gnocchi-api-access|horizon-access|keystone-apache-admin-access|keystone-apache-public-access|monasca-api-access|monasca-log-api-access|placement-api-access|panko-api-access)$
+    pattern ^(cinder-api-access|cloudkitty-api-access|gnocchi-api-access|horizon-access|keystone-apache-admin-access|keystone-apache-public-access|monasca-api-access|placement-api-access|panko-api-access)$
     tag apache_access
   </rule>
   <rule>

ansible/roles/common/templates/conf/input/00-global.conf.j2

@@ -5,7 +5,7 @@
   path {% for service in fluentd_enabled_input_openstack_services %}/var/log/kolla/{{ service }}/*.log{% if not loop.last %},{% endif %}{% endfor %}
   exclude_path ["/var/log/kolla/monasca/agent*.log",
                 "/var/log/kolla/monasca/grafana.log",
-                "/var/log/kolla/monasca/monasca-log-api.log",
+                "/var/log/kolla/monasca/monasca-api.log",
                 "/var/log/kolla/neutron/dnsmasq.log",
                 "/var/log/kolla/*/*-access.log",
                 "/var/log/kolla/*/*-error.log",

ansible/roles/common/templates/conf/output/00-local.conf.j2

@@ -38,8 +38,8 @@
     <store>
        @type monasca
        keystone_url {{ keystone_internal_url }}
-       monasca_log_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
+       monasca_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
-       monasca_log_api_version v3.0
+       monasca_api_version v2.0
        username {{ monasca_agent_user }}
        password {{ monasca_agent_password }}
        domain_id default
@@ -95,8 +95,8 @@
     <store>
        @type monasca
        keystone_url {{ keystone_internal_url }}
-       monasca_log_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
+       monasca_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
-       monasca_log_api_version v3.0
+       monasca_api_version v2.0
        username {{ monasca_agent_user }}
        password {{ monasca_agent_password }}
        domain_id default
@@ -152,8 +152,8 @@
     <store>
        @type monasca
        keystone_url {{ keystone_internal_url }}
-       monasca_log_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
+       monasca_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
-       monasca_log_api_version v3.0
+       monasca_api_version v2.0
        username {{ monasca_agent_user }}
        password {{ monasca_agent_password }}
        domain_id default

ansible/roles/common/templates/conf/output/02-monasca.conf.j2

@@ -3,8 +3,8 @@
     <store>
        @type monasca
        keystone_url {{ keystone_internal_url }}
-       monasca_log_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
+       monasca_api {{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_log_api_port }}
-       monasca_log_api_version v3.0
+       monasca_api_version v2.0
        username {{ monasca_agent_user }}
        password {{ monasca_agent_password }}
        domain_id default

ansible/roles/haproxy/tasks/precheck.yml

@@ -566,6 +566,7 @@
     - inventory_hostname in groups['haproxy']
     - haproxy_stat.find('monasca_log_api') == -1
     - haproxy_vip_prechecks
+    - monasca_log_api_port != monasca_api_port
 
 - name: Checking free port for Monasca Log API public HAProxy
   wait_for:
@@ -580,6 +581,7 @@
     - inventory_hostname in groups['haproxy']
     - haproxy_stat.find('monasca_log_api_external') == -1
     - haproxy_vip_prechecks
+    - monasca_log_api_port != monasca_api_port
 
 - name: Checking free port for Monasca Grafana API internal HAProxy
   wait_for:

ansible/roles/monasca/defaults/main.yml

@@ -20,24 +20,6 @@ monasca_services:
         mode: "http"
         external: true
         port: "{{ monasca_api_port }}"
-  monasca-log-api:
-    container_name: monasca_log_api
-    group: monasca-log-api
-    enabled: true
-    image: "{{ monasca_log_api_image_full }}"
-    volumes: "{{ monasca_log_api_default_volumes + monasca_log_api_extra_volumes }}"
-    dimensions: "{{ monasca_log_api_dimensions }}"
-    haproxy:
-      monasca_log_api:
-        enabled: "{{ enable_monasca }}"
-        mode: "http"
-        external: false
-        port: "{{ monasca_log_api_port }}"
-      monasca_log_api_external:
-        enabled: "{{ enable_monasca }}"
-        mode: "http"
-        external: true
-        port: "{{ monasca_log_api_port }}"
   monasca-log-transformer:
     container_name: monasca_log_transformer
     group: monasca-log-transformer
@@ -211,10 +193,6 @@ monasca_api_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{{ doc
 monasca_api_tag: "{{ monasca_tag }}"
 monasca_api_image_full: "{{ monasca_api_image }}:{{ monasca_api_tag }}"
 
-monasca_log_api_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{{ docker_namespace }}/{{ kolla_base_distro }}-{{ monasca_install_type }}-monasca-log-api"
-monasca_log_api_tag: "{{ monasca_tag }}"
-monasca_log_api_image_full: "{{ monasca_log_api_image }}:{{ monasca_log_api_tag }}"
-
 monasca_logstash_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{{ docker_namespace }}/{{ kolla_base_distro }}-{{ kolla_install_type }}-logstash"
 monasca_logstash_tag: "{{ monasca_tag }}"
 monasca_logstash_image_full: "{{ monasca_logstash_image }}:{{ monasca_logstash_tag }}"
@@ -268,11 +246,6 @@ monasca_api_default_volumes:
   - "/etc/localtime:/etc/localtime:ro"
   - "{{ '/etc/timezone:/etc/timezone:ro' if kolla_base_distro in ['debian', 'ubuntu'] else '' }}"
   - "kolla_logs:/var/log/kolla"
-monasca_log_api_default_volumes:
-  - "{{ node_config_directory }}/monasca-log-api/:{{ container_config_directory }}/:ro"
-  - "/etc/localtime:/etc/localtime:ro"
-  - "{{ '/etc/timezone:/etc/timezone:ro' if kolla_base_distro in ['debian', 'ubuntu'] else '' }}"
-  - "kolla_logs:/var/log/kolla"
 monasca_log_transformer_default_volumes:
   - "{{ node_config_directory }}/monasca-log-transformer/:{{ container_config_directory }}/:ro"
   - "/etc/localtime:/etc/localtime:ro"
@@ -315,7 +288,6 @@ monasca_agent_collector_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_agent_statsd_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_agent_forwarder_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_api_extra_volumes: "{{ monasca_extra_volumes }}"
-monasca_log_api_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_log_transformer_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_log_persister_extra_volumes: "{{ monasca_extra_volumes }}"
 monasca_log_metrics_extra_volumes: "{{ monasca_extra_volumes }}"

ansible/roles/monasca/handlers/main.yml

@@ -14,21 +14,6 @@
   when:
     - kolla_action != "config"
 
-- name: Restart monasca-log-api container
-  vars:
-    service_name: "monasca-log-api"
-    service: "{{ monasca_services[service_name] }}"
-  become: true
-  kolla_docker:
-    action: "recreate_or_restart_container"
-    common_options: "{{ docker_common_options }}"
-    name: "{{ service.container_name }}"
-    image: "{{ service.image }}"
-    volumes: "{{ service.volumes }}"
-    dimensions: "{{ service.dimensions }}"
-  when:
-    - kolla_action != "config"
-
 - name: Restart monasca-log-transformer container
   vars:
     service_name: "monasca-log-transformer"

ansible/roles/monasca/tasks/config.yml

@@ -160,40 +160,6 @@
   notify:
     - Restart monasca-api container
 
-- name: Copying over monasca-log-api config
-  vars:
-    service: "{{ monasca_services['monasca-log-api'] }}"
-  merge_configs:
-    sources:
-      - "{{ role_path }}/templates/monasca-log-api/{{ item }}.j2"
-      - "{{ node_custom_config }}/monasca/{{ item }}"
-      - "{{ node_custom_config }}/monasca/{{ inventory_hostname }}/{{ item }}"
-    dest: "{{ node_config_directory }}/monasca-log-api/{{ item }}"
-    mode: "0660"
-  become: true
-  with_items:
-    - log-api.conf
-    - log-api-paste.ini
-  when:
-    - inventory_hostname in groups[service['group']]
-    - service.enabled | bool
-  notify:
-    - Restart monasca-log-api container
-
-- name: Copying over monasca-log-api wsgi config
-  vars:
-    service: "{{ monasca_services['monasca-log-api'] }}"
-  template:
-    src: "{{ role_path }}/templates/monasca-log-api/wsgi-log-api.conf.j2"
-    dest: "{{ node_config_directory }}/monasca-log-api/wsgi-log-api.conf"
-    mode: "0660"
-  become: true
-  when:
-    - inventory_hostname in groups[service['group']]
-    - service.enabled | bool
-  notify:
-    - Restart monasca-log-api container
-
 - name: Copying over monasca-log-transformer config
   vars:
     service: "{{ monasca_services['monasca-log-transformer'] }}"

ansible/roles/monasca/tasks/deploy.yml

@@ -1,14 +1,12 @@
 ---
 - include_tasks: register.yml
   when: inventory_hostname in groups['monasca-agent'] or
-        inventory_hostname in groups['monasca-api'] or
+        inventory_hostname in groups['monasca-api']
-        inventory_hostname in groups['monasca-log-api']
 
 - include_tasks: config.yml
   when: inventory_hostname in groups['monasca-agent'] or
         inventory_hostname in groups['monasca-api'] or
         inventory_hostname in groups['monasca-grafana'] or
-        inventory_hostname in groups['monasca-log-api'] or
         inventory_hostname in groups['monasca-log-transformer'] or
         inventory_hostname in groups['monasca-log-persister'] or
         inventory_hostname in groups['monasca-log-metrics'] or
@@ -27,7 +25,6 @@
   when: inventory_hostname in groups['monasca-agent'] or
         inventory_hostname in groups['monasca-api'] or
         inventory_hostname in groups['monasca-grafana'] or
-        inventory_hostname in groups['monasca-log-api'] or
         inventory_hostname in groups['monasca-log-transformer'] or
         inventory_hostname in groups['monasca-log-persister'] or
         inventory_hostname in groups['monasca-log-metrics'] or

ansible/roles/monasca/tasks/precheck.yml

@@ -22,17 +22,6 @@
     - inventory_hostname in groups[monasca_services['monasca-api']['group']]
     - container_facts['monasca_api'] is not defined
 
-- name: Checking free port for monasca-log-api
-  wait_for:
-    host: "{{ api_interface_address }}"
-    port: "{{ monasca_log_api_port }}"
-    connect_timeout: 1
-    timeout: 1
-    state: stopped
-  when:
-    - inventory_hostname in groups[monasca_services['monasca-log-api']['group']]
-    - container_facts['monasca_log_api'] is not defined
-
 - name: Checking free port for monasca-agent-forwarder
   wait_for:
     host: "{{ api_interface_address }}"

ansible/roles/monasca/tasks/upgrade.yml

@@ -1,6 +1,18 @@
 ---
+# TODO(dszumski): Remove this in the V cycle once all old containers have been
+# stopped.
+- name: Stopping old monasca-log-api containers
+  become: true
+  kolla_docker:
+    action: "stop_and_remove_container"
+    common_options: "{{ docker_common_options }}"
+    name: "monasca_log_api"
+
 - include_tasks: config.yml
 
+- include_tasks: register.yml
+  when: inventory_hostname in groups['monasca-api']
+
 - include_tasks: bootstrap_service.yml
 
 - name: Flush handlers

ansible/roles/monasca/templates/monasca-api/monasca-api.conf.j2

@@ -3,6 +3,7 @@ log_file = monasca-api.log
 log_dir = /var/log/kolla/monasca
 debug = {{ monasca_logging_debug }}
 region = {{ openstack_region_name }}
+enable_logs_api = True
 
 [database]
 database = {{ monasca_database_name }}
@@ -14,7 +15,9 @@ ip_address = {{ monasca_influxdb_address }}
 port = {{ monasca_influxdb_http_port }}
 
 [kafka]
+legacy_kafka_client_enabled = False
 metrics_topic = {{ monasca_metrics_topic }}
+logs_topics = {{ monasca_raw_logs_topic }}
 uri = {{ monasca_kafka_servers }}
 
 [messaging]
@@ -58,3 +61,7 @@ dimension_values = monasca_api.v2.reference.metrics:DimensionValues
 dimension_names = monasca_api.v2.reference.metrics:DimensionNames
 notification_method_types = monasca_api.v2.reference.notificationstype:NotificationsType
 healthchecks = monasca_api.healthchecks:HealthChecks
+
+[log_publisher]
+# Increase the maximum payload size to slightly above the default Fluentd chunk size (8MB)
+max_log_size = 10485760

ansible/roles/monasca/templates/monasca-api/monasca-api.json.j2

@@ -5,7 +5,7 @@
     "config_files": [
         {
             "source": "{{ container_config_directory }}/api.conf",
-            "dest": "/etc/monasca/api.conf",
+            "dest": "/etc/monasca/monasca-api.conf",
             "owner": "monasca",
             "perm": "0600"
         },

ansible/roles/monasca/templates/monasca-log-api/log-api-paste.ini.j2

@@ -1,65 +0,0 @@
-#
-# Copyright 2016-2017 FUJITSU LIMITED
-#
-# 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.
-#
-
-[DEFAULT]
-name = main
-
-[composite:main]
-use = egg:Paste#urlmap
-/: la_version
-/healthcheck: la_healthcheck
-/v2.0: la_api_v2
-/v3.0: la_api_v3
-
-[pipeline:la_version]
-pipeline = error_trap versionapp
-
-[pipeline:la_healthcheck]
-pipeline = error_trap healthcheckapp
-
-[pipeline:la_api_v2]
-pipeline = error_trap request_id auth api_v2_app
-
-[pipeline:la_api_v3]
-pipeline = error_trap request_id auth api_v3_app
-
-[app:versionapp]
-paste.app_factory = monasca_log_api.app.api:create_version_app
-
-[app:healthcheckapp]
-paste.app_factory = monasca_log_api.app.api:create_healthcheck_app
-
-[app:api_v2_app]
-paste.app_factory = monasca_log_api.app.api:create_api_app
-set api_version=v2.0
-
-[app:api_v3_app]
-paste.app_factory = monasca_log_api.app.api:create_api_app
-set api_version=v3.0
-
-[filter:auth]
-paste.filter_factory = keystonemiddleware.auth_token:filter_factory
-
-[filter:roles]
-paste.filter_factory = monasca_log_api.middleware.role_middleware:RoleMiddleware.factory
-
-[filter:request_id]
-paste.filter_factory = oslo_middleware.request_id:RequestId.factory
-
-[filter:error_trap]
-paste.filter_factory = oslo_middleware.catch_errors:CatchErrors.factory
-

ansible/roles/monasca/templates/monasca-log-api/log-api.conf.j2

@@ -1,43 +0,0 @@
-[DEFAULT]
-log_file = monasca-log-api.log
-log_dir = /var/log/kolla/monasca
-debug = {{ monasca_logging_debug }}
-
-[service]
-region = {{ openstack_region_name }}
-# Increase the maximum payload size to slightly above the default Fluentd chunk size (8MB)
-max_log_size = 10485760
-
-[kafka_healthcheck]
-kafka_topics = {{ monasca_raw_logs_topic }}
-kafka_url = {{ monasca_kafka_servers }}
-
-[log_publisher]
-topics = {{ monasca_raw_logs_topic }}
-kafka_url = {{ monasca_kafka_servers }}
-
-[monitoring]
-statsd_buffer = 30
-statsd_port = {{ monasca_agent_statsd_port }}
-
-[roles_middleware]
-path = /v2.0/log, /v3.0/logs
-default_roles = {{ monasca_default_authorized_roles|join(', ') }}
-agent_roles = {{ monasca_agent_authorized_roles|join(', ') }}
-delegate_roles = {{ monasca_delegate_authorized_roles|join(', ') }}
-
-[keystone_authtoken]
-www_authenticate_uri = {{ keystone_internal_url }}
-auth_url = {{ keystone_admin_url }}
-auth_type = password
-project_domain_id =  {{ default_project_domain_id }}
-user_domain_id =  {{ default_user_domain_id }}
-project_name = service
-username = {{ monasca_keystone_user }}
-password = {{ monasca_keystone_password }}
-service_token_roles_required=True
-cafile = {{ openstack_cacert }}
-
-memcache_security_strategy = ENCRYPT
-memcache_secret_key = {{ memcache_secret_key }}
-memcached_servers = {{ monasca_memcached_servers }}

ansible/roles/monasca/templates/monasca-log-api/monasca-log-api.json.j2

@@ -1,32 +0,0 @@
-{% set monasca_cmd = 'apache2' if kolla_base_distro in ['ubuntu', 'debian'] else 'httpd' %}
-{% set wsgi_conf_dir = 'apache2/conf-enabled' if kolla_base_distro in ['ubuntu', 'debian'] else 'httpd/conf.d' %}
-{
-    "command": "/usr/sbin/{{ monasca_cmd }} -DFOREGROUND",
-    "config_files": [
-        {
-            "source": "{{ container_config_directory }}/log-api.conf",
-            "dest": "/etc/monasca/log-api.conf",
-            "owner": "monasca",
-            "perm": "0600"
-        },
-        {
-            "source": "{{ container_config_directory }}/log-api-paste.ini",
-            "dest": "/etc/monasca/log-api-paste.ini",
-            "owner": "monasca",
-            "perm": "0600"
-        },
-        {
-            "source": "{{ container_config_directory }}/wsgi-log-api.conf",
-            "dest": "/etc/{{ wsgi_conf_dir }}/wsgi-config.conf",
-            "owner": "monasca",
-            "perm": "0600"
-        }
-    ],
-    "permissions": [
-        {
-            "path": "/var/log/kolla/monasca",
-            "owner": "monasca:kolla",
-            "recurse": true
-        }
-    ]
-}

ansible/roles/monasca/templates/monasca-log-api/wsgi-log-api.conf.j2

@@ -1,34 +0,0 @@
-{% set monasca_log_dir = '/var/log/kolla/monasca' %}
-{% set python_path = '/usr/lib/python' ~ distro_python_version ~ '/site-packages' if monasca_install_type == 'binary' else '/var/lib/kolla/venv/lib/python' ~ distro_python_version ~ '/site-packages' %}
-{% set wsgi_path = '/usr/bin' if monasca_install_type == 'binary' else '/monasca-log/monasca_log_api/app' %}
-
-Listen {{ api_interface_address | put_address_in_context('url') }}:{{ monasca_log_api_port }}
-
-TraceEnable off
-
-ErrorLog "{{ monasca_log_dir }}/apache-logapi-error.log"
-<IfModule log_config_module>
-    CustomLog "{{ monasca_log_dir }}/apache-logapi-access.log" common
-</IfModule>
-
-{% if monasca_logging_debug | bool %}
-LogLevel info
-{% endif %}
-
-<VirtualHost *:{{ monasca_log_api_port }}>
-
-    ErrorLog "{{ monasca_log_dir }}/monasca-log-api-error.log"
-    LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b %D \"%{Referer}i\" \"%{User-Agent}i\"" logformat
-    CustomLog "{{ monasca_log_dir }}/monasca-log-api-access.log" logformat
-    WSGIApplicationGroup %{GLOBAL}
-    WSGIDaemonProcess monasca-log-api group=monasca processes={{ openstack_service_workers }} threads=1 user=monasca python-path={{ python_path }}
-    WSGIProcessGroup  monasca-log-api
-    WSGIScriptAlias / {{ wsgi_path }}/wsgi.py
-    WSGIPassAuthorization On
-    SetEnv no-gzip 1
-
-    <Directory "{{ wsgi_path }}">
-        Require all granted
-    </Directory>
-
-</VirtualHost>

ansible/site.yml

@@ -936,7 +936,6 @@
     - monasca-agent
     - monasca-api
     - monasca-grafana
-    - monasca-log-api
     - monasca-log-transformer
     - monasca-log-persister
     - monasca-log-metrics

releasenotes/notes/use-unified-monasca-api-for-logs-8c6829e7fb1ccf8b.yaml

@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    The Monasca Log API has been removed. All logs now go to the unified
+    Monasca API when Monasca is enabled. Any custom Fluentd configuration
+    and inventory files will need to be updated. Any monasca_log_api
+    containers will be removed automatically.

tests/templates/inventory.j2

@@ -494,9 +494,6 @@ monasca
 [monasca-grafana:children]
 monasca
 
-[monasca-log-api:children]
-monasca
-
 [monasca-log-transformer:children]
 monasca