使用DevStack安装openstack（单机环境）
DevStack是一系列可扩展的脚本，用于根据git master的最新版本快速启动完整的OpenStack环境。它以交互方式用作开发环境，并作为OpenStack项目功能测试的基础。
参考源码。
警告：DevStack will make substantial changes to your system during installation. Only run DevStack on servers or virtual machines that are dedicated to this purpose.
一、支持环境
| 支持系统 | 支持版本 |
| Ubuntu | 16.04/17.04 |
| Fedora | 24/25 |
| CentOS/RHEL | 7 |
| Debian | |
| OpenSUSE |
官方建议Ubuntu 16.04系统。
二、安装准备
Devstack应该作为一个非root用户运行，并且启用sudo权限。。
1. 添加stack用户
$ sudo useradd -s /bin/bash -d /opt/stack -m stack
2. 更改用户权限
由于此用户将对系统进行许多更改，因此应具有sudo权限：
$ echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/stack
$ sudo su - stack
三、下载安装DevStack
1. 下载安装仓库
devstack 仓库包含一个安装OpenStack的脚本和配置文件的模板
$ git clone https://git.openstack.org/openstack-dev/devstack
$ cd devstack
2. 新建/修改配置文件
创建配置文件local.conf并写入4个密码预设：
[[local|localrc]]
ADMIN_PASSWORD=secret
DATABASE_PASSWORD=$ADMIN_PASSWORD
RABBIT_PASSWORD=$ADMIN_PASSWORD
SERVICE_PASSWORD=$ADMIN_PASSWORD
这是开始使用DevStack所需的最低配置。
3. 开始安装
./stack.sh
这将需要15 - 20分钟，主要取决于您的互联网连接的速度。在此过程中将安装许多仓库树和包。单机（2核4G）实际测试安装近两个小时，所以大家可以启动后台进程安装：
nohup ./stack.sh &
查看安装日志位置：
/opt/stack/logs
后台进程安装时，查看安装shell输出记录：
/opt/stack/devstack/nohup.out
四、说明
1. DevStack将会安装 keystone, glance, nova, cinder, neutron和horizon组件；当然，浮动IP也可以使用。
2. 您可以访问horizon以体验OpenStack的Web界面，并从中管理vms，网络，卷和图像。
3. 您可以在shell中输入以下命令 ，然后使用openstack命令行工具来管理您的devstack
source openrc
4. 您可以进入以下目录， 然后运行临时测试。
cd /opt/stack/tempest
5. 您可以检查DevStack服务的状态
# 大部分devStack服务运行在系统的名称为：devstack@$servicename.service，您可以使用以下方法
sudo systemctl status "devstack@*"
[stack@--- devstack]$ sudo systemctl status "devstack@*"
● devstack@keystone.service - Devstack devstack@keystone.service
Loaded: loaded (/etc/systemd/system/devstack@keystone.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (uwsgi)
Status: "uWSGI is ready"
CGroup: /system.slice/system-devstack.slice/devstack@keystone.service
├─ /usr/bin/uwsgi --ini /etc/keystone/keystone-uwsgi-public.ini
├─ /usr/bin/uwsgi --ini /etc/keystone/keystone-uwsgi-public.ini
└─ /usr/bin/uwsgi --ini /etc/keystone/keystone-uwsgi-public.ini Jun :: --- devstack@keystone.service[]: [pid: |app: |req: /] 10.9.157.7 () { vars in byt...re )
Jun :: --- devstack@keystone.service[]: DEBUG keystone.middleware.auth [None req-391582e4-c995--8ed9-...}}
Jun :: --- devstack@keystone.service[]: DEBUG keystone.common.fernet_utils [None req-391582e4-c995--8ed9-...
Jun :: --- devstack@keystone.service[]: DEBUG keystone.middleware.auth [None req-909f5d93---92ae-...domai
Jun :: --- devstack@keystone.service[]: INFO keystone.common.wsgi [None req-909f5d93---92ae-97a17b...okens
Jun :: --- devstack@keystone.service[]: DEBUG keystone.common.authorization [None req-909f5d93---...}}
Jun :: --- devstack@keystone.service[]: DEBUG keystone.common.fernet_utils [None req-909f5d93---92ae-...
Jun :: --- devstack@keystone.service[]: DEBUG keystone.policy.backends.rules [None req-909f5d93---...u'ser
Jun :: --- devstack@keystone.service[]: DEBUG keystone.common.authorization [None req-909f5d93---...}}
Jun :: --- devstack@keystone.service[]: [pid: |app: |req: /] 10.9.157.7 () { vars in by...re ) ● devstack@q-svc.service - Devstack devstack@q-svc.service
Loaded: loaded (/etc/systemd/system/devstack@q-svc.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (neutron-server)
CGroup: /system.slice/system-devstack.slice/devstack@q-svc.service
├─ /usr/bin/python /usr/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin...
├─ /usr/bin/python /usr/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin...
├─ /usr/bin/python /usr/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin...
├─ /usr/bin/python /usr/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin...
└─ /usr/bin/python /usr/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin... Jun :: --- neutron-server[]: DEBUG neutron.db.agents_db [None req-fc563d66-dc14-4c13--d0a086d3be5c No...:}}
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-54bab38b-b000-46e8--54ee66349b8b...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-dfbbf8d1-b695-491c-b401-b8c226ef64f6...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-023e2af5--4b22--ea414553f8d2...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-89a6005a-5e99-42ed-88e2-6e7439ed7606...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-3f6ced09-6ac2-4cca-a62e-4e1c3fa674c8...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-0a5febbe-f80a-4cce-9ae1-810d0814d6c6...
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-023e2af5--4b22--ea414553f8d2...
Jun :: --- neutron-server[]: DEBUG neutron.db.agents_db [None req-fc563d66-dc14-4c13--d0a086d3be5c No...:}}
Jun :: --- neutron-server[]: DEBUG neutron_lib.callbacks.manager [None req-89a6005a-5e99-42ed-88e2-6e7439ed7606... ● devstack@q-agt.service - Devstack devstack@q-agt.service
Loaded: loaded (/etc/systemd/system/devstack@q-agt.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (neutron-openvsw)
CGroup: /system.slice/system-devstack.slice/devstack@q-agt.service
├─ /usr/bin/python /usr/bin/neutron-openvswitch-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neu...
├─ sudo /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
├─ /usr/bin/python /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
└─ ovsdb-client monitor tcp:127.0.0.1: Interface name,ofport,external_ids --format=json Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [...
Jun :: --- neutron-openvswitch-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=...}}
Jun :: --- neutron-openvswitch-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=...}}
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_ag...}}
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.openflow.nativ...ask=
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [...
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_ag...}}
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.openflow.nativ...ask=
Jun :: --- neutron-openvswitch-agent[]: DEBUG neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [...
Jun :: --- neutron-openvswitch-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=...}} ● devstack@etcd.service - Devstack devstack@etcd.service
Loaded: loaded (/etc/systemd/system/devstack@etcd.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (etcd)
CGroup: /system.slice/system-devstack.slice/devstack@etcd.service
└─ /opt/stack/bin/etcd --name --- --data-dir /opt/stack/data/etcd --initial-cluster-state new --initial-clust... Jun :: --- etcd[]: a4fe70b684112214 received MsgVoteResp from a4fe70b684112214 at term
Jun :: --- etcd[]: a4fe70b684112214 became leader at term
Jun :: --- etcd[]: raft.node: a4fe70b684112214 elected leader a4fe70b684112214 at term
Jun :: --- etcd[]: published {Name:--- ClientURLs:[http://10.9.157.7:2379]} to cluster b034ace61d50180c
Jun :: --- etcd[]: setting up the initial cluster version to 3.1
Jun :: --- etcd[]: ready to serve client requests
Jun :: --- systemd[]: Started Devstack devstack@etcd.service.
Jun :: --- etcd[]: serving insecure client requests on 10.9.157.7:, this is strongly discouraged!
Jun :: --- etcd[]: set the initial cluster version to 3.1
Jun :: --- etcd[]: enabled capabilities for version 3.1 ● devstack@n-api.service - Devstack devstack@n-api.service
Loaded: loaded (/etc/systemd/system/devstack@n-api.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (nova-api)
CGroup: /system.slice/system-devstack.slice/devstack@n-api.service
├─ /usr/bin/python /usr/bin/nova-api
├─ /usr/bin/python /usr/bin/nova-api
├─ /usr/bin/python /usr/bin/nova-api
├─ /usr/bin/python /usr/bin/nova-api
└─ /usr/bin/python /usr/bin/nova-api Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: INFO nova.metadata.wsgi.server [None req-40d26358-b219-43ba-aab6-539c764be0a9 Non....:
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}}
Jun :: --- nova-api[]: DEBUG oslo_service.service [None req-944db535-ccdd--855e-40d96950aa93 None No...:}} ● devstack@dstat.service - Devstack devstack@dstat.service
Loaded: loaded (/etc/systemd/system/devstack@dstat.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (dstat.sh)
CGroup: /system.slice/system-devstack.slice/devstack@dstat.service
├─ /bin/bash /opt/stack/devstack/tools/dstat.sh /opt/stack/logs
├─ /usr/bin/python /usr/bin/dstat -tcmndrylpg --tcp --output /opt/stack/logs/dstat-csv.log
└─ /usr/bin/python /usr/bin/dstat -tcmndrylpg --top-cpu-adv --top-io-adv --top-mem --swap --tcp Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| | ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| 90B 90B| ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| 118B 240B| ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| 66B| ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| | ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| | ...
Jun :: --- dstat.sh[]: - ::| |2879M 1320k 3582M 1361M| 42B 90B| ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| 42B 42B| ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| | ...
Jun :: --- dstat.sh[]: - ::| |2878M 1320k 3582M 1361M| 274B 242B| ... ● devstack@g-reg.service - Devstack devstack@g-reg.service
Loaded: loaded (/etc/systemd/system/devstack@g-reg.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (glance-registry)
CGroup: /system.slice/system-devstack.slice/devstack@g-reg.service
├─ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf
├─ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf
└─ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf Jun :: --- glance-registry[]: DEBUG glance.common.config [-] image_format.disk_formats = ['ami', 'ar...2795}}
Jun :: --- glance-registry[]: DEBUG glance.common.config [-] oslo_policy.policy_default_rule = default {{...}}
Jun :: --- glance-registry[]: DEBUG glance.common.config [-] oslo_policy.policy_dirs = ['policy.d'...}}
Jun :: --- glance-registry[]: DEBUG glance.common.config [-] oslo_policy.policy_file = policy.json...}}
Jun :: --- glance-registry[]: DEBUG glance.common.config [-] ********************************************...}}
Jun :: --- glance-registry[]: INFO glance.common.wsgi [-] Starting workers
Jun :: --- glance-registry[]: INFO eventlet.wsgi.server [-] () wsgi starting up on http://0.0.0.0:9191
Jun :: --- glance-registry[]: INFO glance.common.wsgi [-] Started child
Jun :: --- glance-registry[]: INFO eventlet.wsgi.server [-] () wsgi starting up on http://0.0.0.0:9191
Jun :: --- glance-registry[]: INFO glance.common.wsgi [-] Started child ● devstack@q-l3.service - Devstack devstack@q-l3.service
Loaded: loaded (/etc/systemd/system/devstack@q-l3.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (neutron-l3-agen)
CGroup: /system.slice/system-devstack.slice/devstack@q-l3.service
├─ haproxy -f /opt/stack/data/neutron/ns-metadata-proxy/973cd91c-e43d-4b3b-b9b0-80201aa20c16.conf
├─ radvd -C /opt/stack/data/neutron/ra/973cd91c-e43d-4b3b-b9b0-80201aa20c16.radvd.conf -p /opt/stack/data/neutron/ex...
├─ radvd -C /opt/stack/data/neutron/ra/973cd91c-e43d-4b3b-b9b0-80201aa20c16.radvd.conf -p /opt/stack/data/neutron/ex...
├─ /usr/bin/python /usr/bin/neutron-l3-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/l3_a...
├─ sudo /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
└─ /usr/bin/python /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG oslo_service.periodic_task [None req-4eb01b82--4c2c-b5d5-804088d...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}}
Jun :: --- neutron-l3-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) __...:}} ● devstack@g-api.service - Devstack devstack@g-api.service
Loaded: loaded (/etc/systemd/system/devstack@g-api.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (glance-api)
CGroup: /system.slice/system-devstack.slice/devstack@g-api.service
├─ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf
├─ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf
└─ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-5e8a342e-f228-423b-a262-d950...
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-5e8a342e-f228-423b-a26...y:}}
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-5e8a342e-f228-423b-a26...y:}}
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-5e8a342e-f228-423b-a26...y:}}
Jun :: --- glance-api[]: INFO eventlet.wsgi.server [None req-52d31219-a528-4c75-b91c-ebe3f93b1e3d admin a...
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-52d31219-a528-4c75-b91...y:}}
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-52d31219-a528-4c75-b91...y:}}
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-52d31219-a528-4c75-b91...y:}}
Jun :: --- glance-api[]: DEBUG glance.api.middleware.version_negotiation [None req-52d31219-a528-4c75-b91...y:}}
Jun :: --- glance-api[]: INFO eventlet.wsgi.server [None req-bf512ad7-e6f0-4c1e-b484-051b527816f0 admin a... ● devstack@q-dhcp.service - Devstack devstack@q-dhcp.service
Loaded: loaded (/etc/systemd/system/devstack@q-dhcp.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (neutron-dhcp-ag)
CGroup: /system.slice/system-devstack.slice/devstack@q-dhcp.service
├─ dnsmasq --no-hosts --strict-order --except-interface=lo --pid-file=/opt/stack/data/neutron/dhcp/ca2eedb8-4aed-4a0...
├─ /usr/bin/python /usr/bin/neutron-dhcp-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/dh...
├─ sudo /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
└─ /usr/bin/python /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}}
Jun :: --- neutron-dhcp-agent[]: DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd {{(pid=) ...:}} ● devstack@q-meta.service - Devstack devstack@q-meta.service
Loaded: loaded (/etc/systemd/system/devstack@q-meta.service; enabled; vendor preset: disabled)
Active: active (running) since Mon -- :: CST; 15h ago
Main PID: (neutron-metadat)
CGroup: /system.slice/system-devstack.slice/devstack@q-meta.service
├─ /usr/bin/python /usr/bin/neutron-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutro...
├─ /usr/bin/python /usr/bin/neutron-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutro...
└─ /usr/bin/python /usr/bin/neutron-metadata-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutro... Jun :: --- neutron-metadata-agent[]: hmac_keys = SECRET_KEY
Jun :: --- neutron-metadata-agent[]: sentinel_service_name = mymaster
Jun :: --- neutron-metadata-agent[]: socket_timeout = 0.1
Jun :: --- neutron-metadata-agent[]: trace_sqlalchemy = False
Jun :: --- neutron-metadata-agent[]: service_providers:
Jun :: --- neutron-metadata-agent[]: service_provider =
Jun :: --- neutron-metadata-agent[]: xenapi:
Jun :: --- neutron-metadata-agent[]: connection_password = ***
Jun :: --- neutron-metadata-agent[]: connection_url = None
Jun :: --- neutron-metadata-agent[]: connection_username = None
Hint: Some lines were ellipsized, use -l to show in full.
更多服务使用方法参考 https://docs.openstack.org/developer/devstack/systemd.html
6. 如果更改了组件配置，可以使用以下命令使之生效：
# 例如更改了 /opt/stack/$service 代码后（假设服务名称为n-cpu），使用
sudo systemctl restart devstack@n-cpu.service
# 如果您的更改影响多个守护程序，您可以通过通配符重新启动。
sudo systemctl restart "devstack@n-*"
更多DevStack使用说明请参考 https://docs.openstack.org/developer/devstack/development.html
文档翻译参考：https://docs.openstack.org/developer/devstack/
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