配置Ceilometer Server控制服务

Ceilometer项目创建时最初的目的是实现一个能为计费系统采集数据的框架。社区推动Ceilometer成为OpenStack里数据采集（监控数据、计费数据）的基础设施，采集到的数据提供给监控、计费、面板等项目使用

在controller控制节点上安装组件

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yum install openstack-ceilometer-api openstack-ceilometer-collector \
openstack-ceilometer-notification openstack-ceilometer-central \
openstack-ceilometer-alarm python-ceilometerclient -y
yum install mongodb-server mongodb -y
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vi /etc/mongodb.conf
bind_ip = 0.0.0.0

启动mongodb服务

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service mongod start
chkconfig mongod on
mongo --host controller --eval '
db = db.getSiblingDB("ceilometer");
db.addUser({user: "ceilometer",
            pwd: "CEILOMETER_DBPASS",
            roles: [ "readWrite", "dbAdmin" ]})'
openssl rand -hex 10
3e8bda4e13a68e966142               #记下此ID,下面配置文件需要用到

创建角色

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keystone user-create --name=ceilometer --pass=CEILOMETER_PASS --email=ceilometer@example.com
keystone user-role-add --user=ceilometer --tenant=service --role=admin

编辑配置文件
vi /etc/ceilometer/ceilometer.conf

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[DEFAULT]
rpc_backend = ceilometer.openstack.common.rpc.impl_qpid
auth_strategy = keystone
[alarm]
[api]
[collector]
[database]
connection = mongodb://ceilometer:CEILOMETER_DBPASS@controller:27017/ceilometer
[dispatcher_file]
[event]
[keystone_authtoken]
admin_user = ceilometer
admin_tenant_name = service
auth_protocol = http
auth_uri = http://controller:5000
admin_password = CEILOMETER_PASS
auth_host = controller
[matchmaker_redis]
[matchmaker_ring]
[notification]
[publisher]
metering_secret = 3e8bda4e13a68e966142
[publisher_rpc]
[rpc_notifier2]
[service_credentials]
os_auth_url = http://controller:5000/v2.0
os_username = ceilometer
os_tenant_name = service
os_password = CEILOMETER_PASS
[ssl]
[vmware]

创建服务端点

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keystone service-create --name=ceilometer --type=metering --description="Telemetry"
keystone endpoint-create \
  --service-id=$(keystone service-list | awk '/ metering / {print $2}') \
  --publicurl=http://controller:8777 \
  --internalurl=http://controller:8777 \
  --adminurl=http://controller:8777

启动服务

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service openstack-ceilometer-api start
service openstack-ceilometer-notification start
service openstack-ceilometer-central start
service openstack-ceilometer-collector start
service openstack-ceilometer-alarm-evaluator start
service openstack-ceilometer-alarm-notifier start
chkconfig openstack-ceilometer-api on
chkconfig openstack-ceilometer-notification on
chkconfig openstack-ceilometer-central on
chkconfig openstack-ceilometer-collector on
chkconfig openstack-ceilometer-alarm-evaluator on
chkconfig openstack-ceilometer-alarm-notifier on

配置Image Agent计算节点代理

在controller控制节点上

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openstack-config --set /etc/glance/glance-api.conf DEFAULT notification_driver messaging
openstack-config --set /etc/glance/glance-api.conf DEFAULT rpc_backend qpid
service openstack-glance-api restart
service openstack-glance-registry restart

配置Volumes Agent计算节点代理

在controller控制节点上

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openstack-config --set /etc/cinder/cinder.conf DEFAULT control_exchange cinder
openstack-config --set /etc/cinder/cinder.conf \
DEFAULT notification_driver cinder.openstack.common.notifier.rpc_notifier
service openstack-cinder-api restart
service openstack-cinder-scheduler restart
service openstack-cinder-volume restart

配置Compute Agent计算节点代理

在compute计算节点上

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yum install openstack-ceilometer-compute python-ceilometerclient python-pecan -y

vi /etc/nova/nova.conf #添加一下配置,确保属于[DEFAULT]下

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instance_usage_audit = True
instance_usage_audit_period = hour
notify_on_state_change = vm_and_task_state
notification_driver = nova.openstack.common.notifier.rpc_notifier
notification_driver = ceilometer.compute.nova_notifier

启动服务
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service openstack-nova-compute restart

编辑配置文件
vi /etc/ceilometer/ceilometer.conf

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[DEFAULT]
qpid_hostname = controller
[alarm]
[api]
[collector]
[database]
[dispatcher_file]
[event]
[keystone_authtoken]
auth_host = controller
admin_user = ceilometer
admin_tenant_name = service
auth_protocol = http
admin_password = CEILOMETER_PASS
[matchmaker_redis]
[matchmaker_ring]
[notification]
[publisher]
metering_secret = 3e8bda4e13a68e966142
[publisher_rpc]
[rpc_notifier2]
[service_credentials]
os_username = ceilometer
os_tenant_name = service
os_password = CEILOMETER_PASS
os_auth_url = http://controller:5000/v2.0
[ssl]
[vmware]

启动服务

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service openstack-ceilometer-compute start
chkconfig openstack-ceilometer-compute on

创建Alarm告警阀值

为指定的实例创建告警阀值为: 连续三次CPU使用率超过70%的时间持续10分钟
这里只有一个例子,可以根本业务需求来定制各种的Alarm

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nova list | awk '/cirros-vol/{print $2}'
63e95b60-d4ab-4b52-8529-82b345083090
ceilometer alarm-threshold-create --name cpu_hi \
  --description 'instance running hot' \
  --meter-name cpu_util --threshold 70.0 \
  --comparison-operator gt --statistic avg \
  --period 600 --evaluation-periods 3 \
  --alarm-action 'log://' \
  --query resource_id=63e95b60-d4ab-4b52-8529-82b345083090
ceilometer alarm-list

数据收集验证

重新Launch虚拟机,查看最新的Mem使用数据

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ceilometer statistics -m memory -p 60