Add distribution of metrics.yml

As cloudkitty requires metrics.yml to be present in etc directory
to be fully operational, we're distributing this file by default[1]
cloudkitty_metrics_overrides variable added in order to override default

[1] http://logs.openstack.org/30/673530/2/check/openstack-ansible-functional-ubuntu-bionic/c6eee8a/logs/openstack/openstack1/cloudkitty-processor.service.journal.log.txt.gz#_Jul_30_14_44_00

Change-Id: Ie08cfd0d8dc4835712df0b937170b631aebd10c8

defaults/main.yml

@@ -114,6 +114,7 @@ cloudkitty_service_internalurl: "{{ cloudkitty_service_internaluri }}/"
 cloudkitty_cloudkitty_conf_overrides: {}
 cloudkitty_policy_overrides: {}
 cloudkitty_api_paste_ini_overrides: {}
+cloudkitty_metrics_overrides: {}
 
 cloudkitty_api_init_overrides: {}
 cloudkitty_processor_init_overrides: {}

tasks/cloudkitty_post_install.yml

@@ -37,6 +37,10 @@
       dest: "/etc/cloudkitty/policy.json-{{ cloudkitty_venv_tag }}"
       config_overrides: "{{ cloudkitty_policy_overrides }}"
       config_type: "json"
+    - src: "cloudkitty-metrics.yml.j2"
+      dest: "/etc/cloudkitty/metrics.yml"
+      config_overrides: "{{ cloudkitty_metrics_overrides }}"
+      config_type: "yaml"
   notify:
     - Restart cloudkitty services
   tags:

templates/cloudkitty-metrics.yml.j2

@@ -0,0 +1,94 @@
+metrics:
+  cpu:
+    unit: instance
+    alt_name: instance
+    groupby:
+      - id
+      - user_id
+      - project_id
+    metadata:
+      - flavor_name
+      - flavor_id
+      - vcpus
+    mutate: NUMBOOL
+    extra_args:
+      aggregation_method: mean
+      resource_type: instance
+
+  image.size:
+    unit: MiB
+    factor: 1/1048576
+    groupby:
+      - id
+      - user_id
+      - project_id
+    metadata:
+      - container_format
+      - disk_format
+    extra_args:
+      aggregation_method: mean
+      resource_type: image
+
+  volume.size:
+    unit: GiB
+    groupby:
+      - id
+      - user_id
+      - project_id
+    metadata:
+      - volume_type
+    extra_args:
+      aggregation_method: mean
+      resource_type: volume
+
+  network.outgoing.bytes.rate:
+    unit: MB
+    groupby:
+      - id
+      - project_id
+      - user_id
+    # Converting B/s to MB/h
+    factor: 3600/1000000
+    metadata:
+      - instance_id
+    extra_args:
+      aggregation_method: mean
+      resource_type: instance_network_interface
+
+  network.incoming.bytes.rate:
+    unit: MB
+    groupby:
+      - id
+      - project_id
+      - user_id
+    # Converting B/s to MB/h
+    factor: 3600/1000000
+    metadata:
+      - instance_id
+    extra_args:
+      aggregation_method: mean
+      resource_type: instance_network_interface
+
+  ip.floating:
+    unit: ip
+    groupby:
+      - id
+      - user_id
+      - project_id
+    metadata:
+      - state
+    mutate: NUMBOOL
+    extra_args:
+      aggregation_method: mean
+      resource_type: network
+
+  radosgw.objects.size:
+    unit: GiB
+    groupby:
+      - id
+      - user_id
+      - project_id
+    factor: 1/1073741824
+    extra_args:
+      aggregation_method: mean
+      resource_type: ceph_account