Ubuntu 16.04
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OpenStack Mitaka (三鷹) : Ceilometer 利用方法
2016/06/08
 
OpenStack Metering Service(Ceilometer)の利用方法です。
ここでは例として以下のような環境を構築しています。
                                |
+------------------+            |            +------------------------+
| [ Control Node ] |            |            |    [ Network Node ]    |
|     Keystone     |10.0.0.30   |   10.0.0.50|    DHCP,L3,L2 Agent    |
|      Glance      |------------+------------|     Metadata Agent     |
|     Nova API     |eth0        |        eth0|   Ceilometer Services  |
|  Neutron Server  |            |            |                        |
+------------------+            |            +------------------------+
                            eth0|10.0.0.51
                      +--------------------+
                      |  [ Compute Node ]  |
                      |    Nova Compute    |
                      |      L2 Agent      |
                      | Ceilometer-Compute |
                      +--------------------+

[1] Ceilometer の設定#1, Ceilometer の設定#2, Ceilometer の設定#3 の各ノードの設定が完了した状態で以下のコマンドを入力すると、設定に問題なければ以下のように結果が返ってきます。
root@dlp ~(keystone)#
ceilometer meter-list

+-------------------+------------+----------+------------------------+---------------------+-------------------+
| Name              | Type       | Unit     | Resource ID            | User ID             | Project ID        |
+-------------------+------------+----------+------------------------+---------------------+-------------------+
| cpu               | cumulative | ns       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| image             | gauge      | image    | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| image.size        | gauge      | B        | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| instance          | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance:m1.small | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
+-------------------+------------+----------+------------------------+---------------------+-------------------+
[2] ここまでの設定で、Compute Service(Nova)の監視が可能な状態となっています。インスタンスを起動した後、再度 meter-list を見ると以下のように取得されたメーターが確認できます。
root@dlp ~(keystone)#
nova list

+--------------------------------------+-------------+---------+------------+-------------+-----------------------------------+
| ID                                   | Name        | Status  | Task State | Power State | Networks                          |
+--------------------------------------+-------------+---------+------------+-------------+-----------------------------------+
| 545457b2-517f-4a3b-bae2-bb99beb8342a | Ubuntu_1604 | SHUTOFF | -          | Shutdown    | int_net=192.168.100.3, 10.0.0.201 |
+--------------------------------------+-------------+---------+------------+-------------+-----------------------------------+

root@dlp ~(keystone)#
nova start Ubuntu_1604

root@dlp ~(keystone)#
ceilometer meter-list

+---------------------+------------+----------+------------------------+---------------------+-------------------+
| Name                | Type       | Unit     | Resource ID            | User ID             | Project ID        |
+---------------------+------------+----------+------------------------+---------------------+-------------------+
| cpu                 | cumulative | ns       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| disk.ephemeral.size | gauge      | GB       | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| disk.ephemeral.size | gauge      | GB       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| disk.root.size      | gauge      | GB       | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| disk.root.size      | gauge      | GB       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| image               | gauge      | image    | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| image.size          | gauge      | B        | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| instance            | gauge      | instance | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance            | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance:m1.small   | gauge      | instance | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance:m1.small   | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| memory              | gauge      | MB       | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| memory              | gauge      | MB       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| port                | gauge      | port     | 188e5409-c6f4-4a7a-... | f13070920e5c477e... | 4e84300cbeeb4a... |
| port.create         | delta      | port     | 188e5409-c6f4-4a7a-... | f13070920e5c477e... | 4e84300cbeeb4a... |
| vcpus               | gauge      | vcpu     | 0fbc0272-285a-4d97-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| vcpus               | gauge      | vcpu     | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
+---------------------+------------+----------+------------------------+---------------------+-------------------+
[3] Image Service(Glance)の監視を有効にするには以下のように設定します。
root@dlp ~(keystone)#
vi /etc/glance/glance-api.conf
# [DEFAULT] セクションの中へ追記

rpc_backend = rabbit
# 最終行に追記

[oslo_messaging_notifications]
driver = messagingv2

[oslo_messaging_rabbit]
rabbit_host = 10.0.0.30
rabbit_port = 5672
rabbit_userid = openstack
rabbit_password = password 

root@dlp ~(keystone)#
vi /etc/glance/glance-registry.conf
# [DEFAULT] セクションの中へ追記

rpc_backend = rabbit
# 最終行に追記

[oslo_messaging_notifications]
driver = messagingv2

[oslo_messaging_rabbit]
rabbit_host = 10.0.0.30
rabbit_port = 5672
rabbit_userid = openstack
rabbit_password = password 

root@dlp ~(keystone)#
systemctl restart glance-api glance-registry

# 監視が有効になっているか確認

root@dlp ~(keystone)#
ceilometer meter-list

+-------------------+------------+----------+------------------------+---------------------+-------------------+
| Name              | Type       | Unit     | Resource ID            | User ID             | Project ID        |
+-------------------+------------+----------+------------------------+---------------------+-------------------+
| cpu               | cumulative | ns       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| cpu_util          | gauge      | %        | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| image             | gauge      | image    | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| image.size        | gauge      | B        | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| instance          | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance:m1.small | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
+-------------------+------------+----------+------------------------+---------------------+-------------------+

# 試しにイメージを追加

root@dlp ~(keystone)#
glance image-create --name "Ubuntu1604_1" --file /var/kvm/images/ubuntu1604.img --disk-format qcow2 --container-format bare --visibility public

root@dlp ~(keystone)#
ceilometer meter-list

+-------------------+------------+----------+------------------------+---------------------+-------------------+
| Name              | Type       | Unit     | Resource ID            | User ID             | Project ID        |
+-------------------+------------+----------+------------------------+---------------------+-------------------+
| cpu               | cumulative | ns       | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| cpu_util          | gauge      | %        | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| image             | gauge      | image    | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| image             | gauge      | image    | 95b05349-e9cb-4e88-... | None            ... | 98ea1b896d3a48... |
| image.size        | gauge      | B        | 2aab2d1a-e1e8-45c9-... | None            ... | 98ea1b896d3a48... |
| image.size        | gauge      | B        | 95b05349-e9cb-4e88-... | None            ... | 98ea1b896d3a48... |
| image.update      | delta      | image    | 95b05349-e9cb-4e88-... | None            ... | 98ea1b896d3a48... |
| image.upload      | delta      | image    | 95b05349-e9cb-4e88-... | None            ... | 98ea1b896d3a48... |
| instance          | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
| instance:m1.small | gauge      | instance | 2c7a1025-30d6-446a-... | 704a7f5cf84a4797... | 98ea1b896d3a48... |
+-------------------+------------+----------+------------------------+---------------------+-------------------+
# データが取得された

[4] Block Storage(Cinder)の監視を有効にするには以下のように設定します。
# Control Node, Network Node で設定変更

root@dlp ~(keystone)#
vi /etc/cinder/cinder.conf
# 最終行に追記

[oslo_messaging_notifications]
driver = messagingv2

# Control Node

root@dlp ~(keystone)#
systemctl restart cinder-api cinder-scheduler

# Network Node

root@network:~#
systemctl restart cinder-volume

# 監視が有効になっているか確認

root@dlp ~(keystone)#
ceilometer meter-list

+------------+-------+-------+------------------------+---------+----------------------+
| Name       | Type  | Unit  | Resource ID            | User ID | Project ID           |
+------------+-------+-------+------------------------+---------+----------------------+
| image      | gauge | image | 2aab2d1a-e1e8-45c9-... | None    | 98ea1b896d3a48438... |
| image.size | gauge | B     | 2aab2d1a-e1e8-45c9-... | None    | 98ea1b896d3a48438... |
+------------+-------+-------+------------------------+---------+----------------------+
root@dlp ~(keystone)#
cinder create --display_name disk01 10

root@dlp ~(keystone)#
ceilometer meter-list

+---------------------+-------+--------+------------------------+---------------------+--------------------+
| Name                | Type  | Unit   | Resource ID            | User ID             | Project ID         |
+---------------------+-------+--------+------------------------+---------------------+--------------------+
| image               | gauge | image  | 2aab2d1a-e1e8-45c9-... | None                | 98ea1b896d3a484... |
| image.size          | gauge | B      | 2aab2d1a-e1e8-45c9-... | None                | 98ea1b896d3a484... |
| volume              | gauge | volume | 1dadb51f-9acb-4845-... | 704a7f5cf84a4797... | 98ea1b896d3a484... |
| volume.create.end   | delta | volume | 1dadb51f-9acb-4845-... | 704a7f5cf84a4797... | 98ea1b896d3a484... |
| volume.create.start | delta | volume | 1dadb51f-9acb-4845-... | 704a7f5cf84a4797... | 98ea1b896d3a484... |
| volume.size         | gauge | GB     | 1dadb51f-9acb-4845-... | 704a7f5cf84a4797... | 98ea1b896d3a484... |
+---------------------+-------+--------+------------------------+---------------------+--------------------+
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