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Gnocchi 的安装及配置

已有 2705 次阅读2017-4-10 10:02

 本处主要讲述Gnocchi 的安装及配置,其它Module的安装可以参考 http://docs.openstack.org/mitaka/install-guide-rdo/


部署环境

    系统版本: CentOS7 

    Openstack版本: Mitaka

1.创建Gnocchi的数据库

1 CREATE DATABASE gnocchi;
2 GRANT ALL PRIVILEGES ON gnocchi.* TO '$USERNAME'@'localhost' IDENTIFIED BY '$PASSOWRD';
3 GRANT ALL PRIVILEGES ON gnocchi.* TO '$USERNAME'@'%' IDENTIFIED BY '$PASSOWRD';

 

2.控制节点安装Gnocchi

1 sudo yum install openstack-gnocchi-api openstack-gnocchi-metricd openstack-gnocchi-statsd
 

3.创建Username及Service

openstack user create --domain default --password-prompt gnocchi
openstack role add --project service --user gnocchi admin
 
openstack service create --name gnocchi --description "OpenStack Metric"  metric
openstack endpoint create --region RegionOne metric public http://$CONTROLLER_IP:8041
openstack endpoint create --region RegionOne metric admin http://$CONTROLLER_IP:8041
openstack endpoint create --region RegionOne metric internal http://$CONTROLLER_IP:8041

4. 配置Gnocchi


vim /etc/gnocchi/gnocchi.conf

 

[database]

backend = sqlalchemy    #配置存储index的数据库类型

 

 

[indexer]

url = mysql+pymysql://$USERNAME:$PASSWORD@$CONTROLLER_ip/gnocchi

 

 

[keystone_authtoken]    #配置gnocchi服务的权限信息

auth_uri = http://$CONTROLLER_IP:5000/v3

identity_uri = http://$CONTROLLER_IP:35357/

admin_user = $USERNAME

admin_password = $PASSWORD

admin_tenant_name = service

signing_dir = /var/cache/gnocchi

 

 

[statsd]               #配置gnocchi服务的标识信息(忽略Gnocchi的采样数据),Gnocchi服务相关的信息

resource_id = 

user_id =

project_id =

archive_policy_name = low

 

 

[storage]              #配置storage的后端driver,默认是file

coordination_url = file:///var/lib/gnocchi/locks

driver = file

file_basepath = /var/lib/gnocchi

 

---------------------------------------------------------------------------------------------------

vim /etc/gnocchi/api-paste.ini

 

[pipeline:main]        #鉴权请求,否则无法执行policy.conf指定admin的操作

pipeline = gnocchi+auth


#创建gnocchi服务需要的目录

mkdir /var/cache/gnocchi  && chown gnocchi:gnocchi -R  /var/cache/gnocchi

mkdir /var/lib/gnocchi  && chown gnocchi:gnocchi -R  /var/lib/gnocchi

 

 

5.初始化Gnocchi 服务的数据库

1 gnocchi-upgrade

 

6.启动Gnocchi服务


systemctl enable openstack-gnocchi-api.service openstack-gnocchi-metricd.service openstack-gnocchi-statsd.service
  
systemctl start openstack-gnocchi-api.service openstack-gnocchi-metricd.service openstack-gnocchi-statsd.service
#Mitaka版本初始化数据库时,并创建默认的archive-policy  https://review.openstack.org/#/c/290626/
gnocchi archive-policy create -d granularity:5m,points:12 -d granularity:1h,points:24 -d granularity:1d,points:30 low
gnocchi archive-policy create -d granularity:60s,points:60 -d granularity:1h,points:168 -d granularity:1d,points:365 medium
gnocchi archive-policy create -d granularity:1s,points:86400 -d granularity:1m,points:43200 -d granularity:1h,points:8760 high
gnocchi archive-policy-rule create -a low -m "*" default

 

7.修改Ceilometer配置文件

vim  /etc/ceilometer/ceilometer.conf
 
[DEFAULT]
meter_dispatchers = gnocchi
 
[api]
gnocchi_is_enabled = true
 
[dispatcher_gnocchi]              
filter_project = service              
filter_service_activity = True
url = http://$CONTROLLER_IP:8041

8.重启Ceilometer服务

 1 systemctl restart openstack-ceilometer-api.service openstack-ceilometer-collector.service openstack-ceilometer-notification.service 


 

9.示例

创建Ceilometer告警

gnocchi metric list
gnocchi resource list
 
 
ceilometer alarm-gnocchi-resources-threshold-create --name gnocchi_test_network   --description 'storage.objects.containers' --alarm-action 'log://' --evaluation-periods 2 \
--aggregation-method max --comparison-operator gt --threshold 5871354.0 -m network.incoming.bytes --resource-type instance_network_interface \
--resource-id addbb3ba-5b1e-543f-ba8a-1010e5d36dbc --repeat-actions true


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