Centos7 下安装Ceilometer和Gnocchi，之前按照官网文档装，出现了一些坑，在网上搜了各种资料，最后成功安装，在此记录步骤。之后学习过程中可能会回来完善此文档。
参考：
https://bugzilla.redhat.com/show_bug.cgi?id=1425801
https://review.openstack.org/#/c/437845/4/tripleo_common/tests/utils/test_overcloudrc.py
https://blog.csdn.net/energysober/article/details/80455775
https://docs.openstack.org/ceilometer/pike/install/install-base-rdo.html
https://bugs.launchpad.net/gnocchi/+bug/1672446
https://gist.github.com/vanduc95/9b2ddff70c1e2a15db0d1e47b1fce1c1
Step1 准备
1.导入环境变量
. admin-openrc
2.创建ceilometer服务
- 创建ceilometer用户
openstack user create --domain default --password-prompt ceilometer
- 授予ceilometer用户管理员角色
openstack role add --project service --user ceilometer admin
- 创建ceilometer服务
openstack service create --name ceilometer \
--description "Telemetry" metering
3.创建Gnocchi服务
- 创建gnocchi用户
openstack user create --domain default --password-prompt gnocchi
- 授予gnocchi用户管理员角色
openstack role add --project service --user gnocchi admin
- 创建gnocchi服务
openstack service create --name gnocchi \
--description "Metric Service" metric
- 创建服务端点
openstack endpoint create --region RegionOne \
metric public http://controller:8041
openstack endpoint create --region RegionOne \
metric internal http://controller:8041
openstack endpoint create --region RegionOne \
metric admin http://controller:8041
Step2 安装Gnocchi
1.安装软件包
yum install openstack-gnocchi-api openstack-gnocchi-metricd python-gnocchiclient -y
2.创建数据库
替换 GNOCCHI_DBPASS 为合适的密码
mysql -u root -p
CREATE DATABASE gnocchi;
GRANT ALL PRIVILEGES ON gnocchi.* TO 'gnocchi'@'localhost' IDENTIFIED BY 'GNOCCHI_DBPASS';
GRANT ALL PRIVILEGES ON gnocchi.* TO 'gnocchi'@'%' IDENTIFIED BY 'GNOCCHI_DBPASS';
exit;
3.修改配置文件
重点来了
尝试过官网的配置，也尝试过网上各种各样的配置，在这个配置下，我成功了
vim /etc/gnocchi/gnocchi.conf
[keystone_authtoken]
auth_uri = http://controller:5000/v3
auth_url = http://controller:35357/v3
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = gnocchi
password = GNOCCHI_PASS
interface = internalURL
region_name = RegionOne
auth_version = 3
auth_port = 35357
[api]
auth_mode = keystone
[database]
backend = sqlalchemy
[indexer]
url = mysql+pymysql://gnocchi:GNOCCHI_PASS@controllerv/gnocchi
[storage]
file_basepath = /var/lib/gnocchi
driver = file
4.初始化Gnocchi
gnocchi-upgrade
5.启动服务
vim /usr/bin/gnocchi-api
找到如下这行
parser.add_argument('--port', '-p', type=int, default=8000,
help='TCP port to listen on')
把8000改为8041
启动服务
systemctl enable openstack-gnocchi-api.service
systemctl start openstack-gnocchi-api
systemctl enable openstack-gnocchi-metricd
systemctl start openstack-gnocchi-metricd
Step3 安装Ceilometer
1.安装软件包
yum install openstack-ceilometer-notification \
openstack-ceilometer-central -y
2.修改配置文件
vim /etc/ceilometer/ceilometer.conf
[dispatcher_gnocchi]
filter_service_activity = False
archive_policy = low
[DEFAULT]
meter_dispatchers = gnocchi
event_dispatchers = gnocchi
transport_url = rabbit://openstack:RABBIT_PASS@controller
[keystone_authtoken]
auth_uri = http://controller:5000/v3
auth_url = http://controller:35357/v3
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = gnocchi
password = CEILOMETER_PASS
interface = internalURL
region_name = RegionOne
[service_credentials]
auth_uri = http://controller:5000/v3
auth_url = http://controller:35357/v3
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = ceilometer
password = CEILOMETER_PASS
interface = internalURL
region_name = RegionOne
3.更新数据库
ceilometer-upgrade --skip-metering-database
4.启动服务
systemctl enable openstack-ceilometer-notification.service \
openstack-ceilometer-central.service
systemctl start openstack-ceilometer-notification.service \
openstack-ceilometer-central.service
Step4 验证
运行：
. admin-openrc
gnocchi status
Unable to establish connection to http://localhost:8041/v1/status?details=False: HTTPConnectionPool(host='localhost', port=8041): Max retries exceeded with url: /v1/status?details=False (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7f895ad06e50>: Failed to establish a new connection: [Errno 111] \xe6\x8b\x92\xe7\xbb\x9d\xe8\xbf\x9e\xe6\x8e\xa5',))
为什么会这样？因为之前的环境变量里少了一个 export OS_AUTH_TYPE=password
在. admin-openrc里加入此环境变量如下：
export OS_PROJECT_DOMAIN_NAME=Default
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=PASSWORD
export OS_AUTH_URL=http://controller:35357/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2
export OS_AUTH_TYPE=password
再次运行：
gnocchi status
+-----------------------------------------------------+-------+
| Field | Value |
+-----------------------------------------------------+-------+
| storage/number of metric having measures to process | 39 |
| storage/total number of measures to process | 39 |
+-----------------------------------------------------+-------+
gnocchi metric list | grep cpu
| 0d5f6722-315e-4ac9-9c4f-1c1d827cb0bc | low | cpu.delta | None | 15372401-e970-4594-bc19-e65bac9613b8 |
| 188996eb-99aa-446d-b34c-ad0f31a3f0a3 | low | cpu_util | None | 15372401-e970-4594-bc19-e65bac9613b8 |
| 1c959473-6f2b-4208-8d6a-b8590b4ea9d1 | low | cpu | None | 15372401-e970-4594-bc19-e65bac9613b8 |
| 2ffbc347-90da-4309-9d0c-81202b90c3a3 | low | cpu.delta | None | af17fb57-b153-4629-851e-f818110f0cb4 |
| 3285ce3a-1e63-486e-8862-7305cfa9012f | low | perf.cpu.cycles | None | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| 37417b10-91db-46e6-9dee-227e69f5f46a | low | cpu_l3_cache | None | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| 3d20f6e6-a417-463e-9a1a-79fb702e5236 | low | perf.cpu.cycles | None | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| 3e5940fc-7641-46e0-ae23-5aa61b60e6fe | low | vcpus | vcpu | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| 4361d02b-2d6c-4e9e-9581-6ab98f57fb16 | low | cpu_l3_cache | None | 3f64ed87-dc00-4767-b941-1f7973683adc |
| 453f5769-41c9-4ff3-af2e-e2ae6ab5162a | low | cpu | None | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| 4783310b-145e-4d87-92f7-6470766fa82b | low | vcpus | vcpu | 15372401-e970-4594-bc19-e65bac9613b8 |
| 4acb77ec-fc08-42ea-b439-9509834ee1fb | low | cpu.delta | None | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| 507ceb5f-81e8-47ee-93b9-ecb42c5c0a97 | low | cpu_util | None | 3f64ed87-dc00-4767-b941-1f7973683adc |
| 53d8f6ad-2b1c-43e2-8924-dd243a350b1a | low | cpu_l3_cache | None | af17fb57-b153-4629-851e-f818110f0cb4 |
| 5bc26a07-124e-4ef8-a271-8d78fcdfb02d | low | cpu | None | 3f64ed87-dc00-4767-b941-1f7973683adc |
| 6b20df89-5526-4ca9-8ed4-a0f4d048cc82 | low | perf.cpu.cycles | None | 15372401-e970-4594-bc19-e65bac9613b8 |
| 7704ee46-19d2-4190-94ca-21e309e146ce | low | perf.cpu.cycles | None | af17fb57-b153-4629-851e-f818110f0cb4 |
| 8200ff2c-d98b-4747-96e6-a42f92e92511 | low | vcpus | vcpu | 3f64ed87-dc00-4767-b941-1f7973683adc |
| 95364ced-43fe-406d-85ae-b54c19172f08 | low | cpu_util | None | af17fb57-b153-4629-851e-f818110f0cb4 |
| 970adbd9-8d07-43eb-bf6e-c331098bcba0 | low | cpu_l3_cache | None | 15372401-e970-4594-bc19-e65bac9613b8 |
| a6c9eb56-d03b-494a-9f4a-2e4d28aa83fb | low | cpu_util | None | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| b029d185-1bae-49e2-a30e-9163d587298e | low | vcpus | vcpu | af17fb57-b153-4629-851e-f818110f0cb4 |
| bba7d20b-136b-4a97-b32a-d46d0c4da0ba | low | vcpus | vcpu | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| c37fd266-388d-41a5-9e43-8681aae7c32e | low | cpu_util | None | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| c920747e-6c5c-486d-b48d-ae82d8555ce3 | low | cpu.delta | None | 3f64ed87-dc00-4767-b941-1f7973683adc |
| d8cd33d7-f116-4e2d-9dff-0874de07cde1 | low | cpu | None | af17fb57-b153-4629-851e-f818110f0cb4 |
| e7911ffb-b0f0-4ab3-8d36-89e77607ef37 | low | cpu | None | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| e8480439-1ae0-465e-98a3-7fd5510816a1 | low | cpu.delta | None | 3c5a3159-6b1c-4dd0-858c-80144d0ab89b |
| ebff6fa5-509e-47ba-8eb1-e386e188b23e | low | cpu_l3_cache | None | 6585b577-e3a3-471f-8b68-be9f72eed077 |
| fb00ca51-6672-49b7-b5b6-f9d17d28f3a6 | low | perf.cpu.cycles | None | 3f64ed87-dc00-4767-b941-1f7973683adc |
证明安装成功
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