《转》OpenStack Ceilometer 安装配置和API说明
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1.概述
Ceilometer是OpenStack中的一个子项目,它像一个漏斗一样,能把OpenStack内部发生的几乎所有的事件都收集起来,然后为计费和监控以及其它服务提供数据支撑。Ceilometer的核心架构图如下:
图1 Ceilometer的核心架构图
图2 Ceilometer架构模型
2.安装
2.1安装服务
apt-get install ceilometer-api
ceilometer-collector ceilometer-agent-central python-ceilometerclient
2.2配置
/etc/ceilometer/ceilometer.conf
[DEFAULT]
#rabbitMQ
rabbit_host = client
rabbit_password = 12345
rabbit_hosts = client:5672
rabbit_userid = guest
[database]
connection = mysql://ceilometer:12345@client/ceilometer
[publisher_rpc]
metering_secret = ADMIN
[keystone_authtoken]
auth_host = client
auth_port = 35357
auth_protocol = http
admin_tenant_name = service
admin_user = ceilometer
admin_password = ceilometers
2.3在keystone中创建ceilometer用户和服务endpoint
keystone user-create –name=ceilometer
–pass=CEILOMETER_PASS –email=ceilometer@example.com
keystone user-role-add –user=ceilometer
–tenant=service –role=admin
keystone service-create –name=ceilometer
–type=metering –description=”Ceilometer Telemetry Service”
keystone endpoint-create
–service-id=the_service_id_above
–publicurl=http://controller:8777/
–internalurl=http://controller:8777/
–adminurl=http://controller:8777/
2.4创建ceilometer的mysql数据表
ceilometer-dbsync
2.5重启服务
service ceilometer-agent-central restart
service ceilometer-api restart
service ceilometer-collector restart
3.API
3.1 Resources资源
获取资源的信息。
GET http://HOST:8777/v2/resources
列出所有资源的定义。
GET http://HOST:8777/v2/resources/{resource_id}
获取指定的资源的详细信息。
3.2 Meters计量
获取计量信息。
GET http://HOST:8777/v2/meters
到目前为止的计量数据列表。
GET http://HOST:8777/v2/meters/{meter_id}
获取指定ID的计量信息。
POST http://HOST:8777/v2/meters/{meter_id}
更新指定ID的计量信息列表。
GET http://HOST:8777/v2/meters/{meter_id}/statistics
计算在指定的时间范围内的样本的统计信息。
3.3 Alarms告警
列表,创建,获取详细信息,更新和删除报警。
GET http://HOST:8777/v2/alarms
根据指定查询,列出了警报。
POST http://HOST:8777/v2/alarms
创建一个报警。
GET http://HOST:8777/v2/alarms/{alarm_id}
获取指定ID的报警信息。
PUT http://HOST:8777/v2/alarms/{alarm_id}
更新指定ID的报警。
PUT http://HOST:8777/v2/alarms/{alarm_id}/state
设置一个指定ID的报警状态。
GET http://HOST:8777/v2/alarms/{alarm_id}/state
获取指定ID的报警状态。
GET http://HOST:8777/v2/alarms/{alarm_id}/history
组装指定ID的报警历史记录。
4.OpenStack服务的监控
4.1Compute (Nova)
所有计量来自实例,不宿主机.
名称
类型
单位
资源
Origin
说明
instance
Gauge
instance
inst ID
both
Duration of instance
instance:<type>
Gauge
instance
inst ID
both
Duration of instance <type>
(openstack types)
memory
Gauge
MB
inst ID
notification
Volume of RAM in MB
cpu
Cumulative
ns
inst ID
pollster
CPU time used
cpu_util
Gauge
%
inst ID
pollster
Average CPU utilisation
vcpus
Gauge
vcpu
inst ID
notification
Number of VCPUs
disk.read.requests
Cumulative
request
inst ID
pollster
Number of read requests
disk.write.requests
Cumulative
request
inst ID
pollster
Number of write requests
disk.read.bytes
Cumulative
B
inst ID
pollster
Volume of read in B
disk.write.bytes
Cumulative
B
inst ID
pollster
Volume of write in B
disk.root.size
Gauge
GB
inst ID
notification
Size of root disk in GB
disk.ephemeral.size
Gauge
GB
inst ID
notification
Size of ephemeral disk in GB
network.incoming.bytes
Cumulative
B
iface ID
pollster
number of incoming bytes on the network
for a VM interface
network.outgoing.bytes
Cumulative
B
iface ID
pollster
number of outgoing bytes on the network
for a VM interface
network.incoming.packets
Cumulative
packet
iface ID
pollster
number of incoming packets for a VM
interface
network.outgoing.packets
Cumulative
packet
iface ID
pollster
number of outgoing packets for a VM
interface
At present, most of the Nova meters will
only work with libvirt front-end hypervisors while test coverage was mostly
done based on KVM. Contributors are welcome to implement other virtualization
backends’ meters or complete the existing ones.
4.2 Network (Neutron)
名称
类型
单位
资源
Origin
说明
network
Gauge
network
netw ID
notification
Duration of network
network.create
Delta
network
netw ID
notification
Creation requests for this network
network.update
Delta
network
netw ID
notification
Update requests for this network
subnet
Gauge
subnet
subnt ID
notification
Duration of subnet
subnet.create
Delta
subnet
subnt ID
notification
Creation requests for this subnet
subnet.update
Delta
subnet
subnt ID
notification
Update requests for this subnet
port
Gauge
port
port ID
notification
Duration of port
port.create
Delta
port
port ID
notification
Creation requests for this port
port.update
Delta
port
port ID
notification
Update requests for this port
router
Gauge
router
rtr ID
notification
Duration of router
router.create
Delta
router
rtr ID
notification
Creation requests for this router
router.update
Delta
router
rtr ID
notification
Update requests for this router
ip.floating
Gauge
ip
ip ID
both
Duration of floating ip
ip.floating.create
Delta
ip
ip ID
notification
Creation requests for this floating ip
ip.floating.update
Delta
ip
ip ID
notification
Update requests for this floating ip
4.3Image (Glance)
名称
类型
单位
资源
Origin
说明
image
Gauge
image
image ID
both
Image polling -> it (still) exists
image.size
Gauge
B
image ID
both
Uploaded image size
image.update
Delta
image
image ID
notification
Number of update on the image
image.upload
Delta
image
image ID
notification
Number of upload of the image
image.delete
Delta
image
image ID
notification
Number of delete on the image
image.download
Delta
B
image ID
notification
Image is downloaded
image.serve
Delta
B
image ID
notification
Image is served out
4.4Volume (Cinder)
名称
类型
单位
资源
Origin
说明
volume
Gauge
volume
vol ID
notification
Duration of volume
volume.size
Gauge
GB
vol ID
notification
Size of volume
4.5Object Storage (Swift)
名称
类型
单位
资源
Origin
说明
storage.objectsGaugeobjectstore IDpollsterNumber of objectsstorage.objects.sizeGaugeBstore IDpollsterTotal size of stored objectsstorage.objects.containersGaugecontainerstore IDpollsterNumber of containersstorage.objects.incoming.bytesDeltaBstore IDnotificationNumber of incoming bytesstorage.objects.outgoing.bytesDeltaBstore IDnotificationNumber of outgoing bytesstorage.api.requestDeltarequeststore IDnotificationNumber of API requests against swiftstorage.containers.objectsGaugeobjectstr ID/contpollsterNumber of objects in containerstorage.containers.objects.sizeGaugeBstr ID/contpollsterTotal size of stored objects in container4.6Energy (Kwapi)
名称
类型
单位
资源
Origin
说明
energy
Cumulative
kWh
probe ID
pollster
Amount of energy
power
Gauge
W
probe ID
pollster
Power consumption
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