OpenStack（Stein）版配置Zun组件
2024-04-25 10:13:02
文章目录
- 基础环境
- Docker
- 新版
- 19.03
- Etcd
- Kuryr-libnetwork
- 控制节点
- 计算节点
- 验证
- 报错
- Error response from daemon: legacy plugin: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused
- ERROR kuryr_libnetwork.controllers [-] ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Permission denied)
- 重新验证
- 报错
- Zun
- 控制节点
- 基础
- 安装配置
- 报错：There must be at least one plugin active
- 继续
- 计算节点
- 验证
- 创建一个Container
- docker私有仓库
- 创建仓库
- 上传镜像
- 镜像的导出和导入
- 容器测试
- 容器删除
- 报错
- image could not be found
- permission deny
- 找不到镜像
配置Zun还需要一些其他的组件和软件支持，比如kuryr-libnetwork，docker之类的。
基础环境
Docker
新版
安装一点必备的依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
配置仓库
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
安装
yum install -y docker-ce docker-ce-cli containerd.io
启动服务，自启动
systemctl start docker containerd.service
systemctl enable docker containerd.service
19.03
好像最近的docker版本升级了，变成了20版本，然后kuryr就用不成了。之前用的19.03没问题，就换成这个，安装这个版本的。
通过本地包安装
wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.14-3.el7.x86_64.rpm
wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.14-3.el7.x86_64.rpm
wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.3.9-3.1.el7.x86_64.rpmyum localinstall -y docker-ce-cli-19.03.14-3.el7.x86_64.rpm
yum localinstall -y containerd.io-1.3.9-3.1.el7.x86_64.rpm
yum localinstall -y docker-ce-19.03.14-3.el7.x86_64.rpm
Etcd
Etcd for RHEL and CentOS
直接安装
yum install -y etcd
编辑配置文件/etc/etcd/etcd.conf
#[Member]
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="http://192.168.1.104:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.1.104:2379"
ETCD_NAME="controller"
#[Clustering]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.104:2380"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.104:2379"
ETCD_INITIAL_CLUSTER="controller=http://192.168.1.104:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01"
ETCD_INITIAL_CLUSTER_STATE="new"
启动服务，自启动
systemctl enable etcd
# systemctl start etcd
Kuryr-libnetwork
控制节点
Install and configure controller node
创建用户
[root@controller OpenStack (keystone_admin)]#openstack user create --domain default --password-prompt kuryr
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| enabled | True |
| id | df33445232c345978e520490244e6769 |
| name | kuryr |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
添加角色
openstack role add --project service --user kuryr admin
计算节点
Install and configure a compute node for Ubuntu
创建用户
groupadd --system kuryr
useradd --home-dir "/var/lib/kuryr" --create-home --system --shell /bin/false -g kuryr kuryr
创建文件夹，然后授权
mkdir -p /etc/kuryr
chown kuryr:kuryr /etc/kuryr
安装epel，再换个源
yum install -y epel-release
wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum clean all && yum makecache
yum install -y python-pip
下载kuryr-libnetwork，复制到/var/lib/kuryr，因为我下不下来，所以提前下好了。
#直接下载
cd /var/lib/kuryr
git clone -b stable/stein https://git.openstack.org/openstack/kuryr-libnetwork.git
#使用本地继续
tar -zxvf kuryr-libnetwork-stable_stein.tar.gz
cp -r kuryr-libnetwork /var/lib/kuryr/kuryr-libnetwork
cd /var/lib/kuryr/
chown -R kuryr:kuryr kuryr-libnetwork
cd kuryr-libnetwork/
git init
这时候再换一个源，换pip源，创建~/.pip/pip.conf
[global]
index-url=http://mirrors.aliyun.com/pypi/simple/[install]
trusted-host=mirrors.aliyun.com
安装kuryr-libnetwork的依赖
pip install -r requirements.txt
python setup.py install
这时候报错了
Marker evaluation failed, see the following error. For more information see: http://docs.openstack.org/pbr/latest/user/using.html#environment-markers
ERROR:root:Error parsing
Traceback (most recent call last):File "/usr/lib/python2.7/site-packages/pbr/core.py", line 96, in pbrattrs = util.cfg_to_args(path, dist.script_args)File "/usr/lib/python2.7/site-packages/pbr/util.py", line 258, in cfg_to_argskwargs = setup_cfg_to_setup_kwargs(config, script_args)File "/usr/lib/python2.7/site-packages/pbr/util.py", line 456, in setup_cfg_to_setup_kwargsif pkg_resources.evaluate_marker('(%s)' % env_marker):File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1364, in evaluate_markerreturn interpret(parser.expr(text).totuple(1)[1])File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1342, in interpretreturn op(nodelist)File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1307, in atomreturn interpret(nodelist[2])File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1342, in interpretreturn op(nodelist)File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1324, in comparisonraise SyntaxError(repr(cop)+" operator not allowed in environment markers")
SyntaxError: '<' operator not allowed in environment markers
error in setup command: Error parsing /var/lib/kuryr/kuryr-libnetwork/setup.cfg: SyntaxError: '<' operator not allowed in environment markers
好像是setuptools版本不够，升级一下
pip install --upgrade pip
pip install --upgrade setuptools
然后重新执行python setup.py install。
复制一下配置文件
su -s /bin/sh -c "./tools/generate_config_file_samples.sh" kuryr
su -s /bin/sh -c "cp etc/kuryr.conf.sample /etc/kuryr/kuryr.conf" kuryr
编辑配置文件/etc/kuryr/kuryr.conf，第一项，官网写的是/usr/local/linexec文件夹，但是系统里/usr/libexec里有内容，我就先用系统的路径试试，正好默认也是这个。
[DEFAULT]
bindir = /usr/libexec/kuryr[neutron]
www_authenticate_uri = http://controller:5000
auth_url = http://controller:35357
username = kuryr
user_domain_name = Default
password = kuryr
project_name = service
project_domain_name = Default
auth_type = password
创建服务文件/etc/systemd/system/kuryr-libnetwork.service，这里官网是/usr/local/bin/kuryr-server但是我的这里没有东西，/usr/bin/kuryr-server这里有，我就用后者了先。
[Unit]
Description = Kuryr-libnetwork - Docker network plugin for Neutron[Service]
ExecStart = /usr/bin/kuryr-server --config-file /etc/kuryr/kuryr.conf
CapabilityBoundingSet = CAP_NET_ADMIN[Install]
WantedBy = multi-user.target
启动服务，自启动
systemctl enable kuryr-libnetwork
systemctl start kuryr-libnetworksystemctl restart docker
验证
这里其实已经可以使用kuryr-libnetwork创建网络了，驱动选择kuryr就好了，会有一点坑。
报错
Error response from daemon: legacy plugin: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused
docker network create with kuryr
执行
docker network create --driver kuryr --ipam-driver kuryr --subnet 10.10.0.0/16 --gateway=10.10.0.1 test_net
报错
Error response from daemon: legacy plugin: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused
查看一下docker.service的status，systemctl status docker.service
Sep 17 21:31:16 controller dockerd[30029]: time="2020-09-17T21:31:16.642992083+08:00" level=warning msg="Unable to connect to plugin: 127.0.0.1:23750/Plugin.Activate: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused, retrying in 1s"
Sep 17 21:31:17 controller dockerd[30029]: time="2020-09-17T21:31:17.643707810+08:00" level=warning msg="Unable to connect to plugin: 127.0.0.1:23750/Plugin.Activate: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused, retrying in 2s"
Sep 17 21:31:19 controller dockerd[30029]: time="2020-09-17T21:31:19.644635277+08:00" level=warning msg="Unable to connect to plugin: 127.0.0.1:23750/Plugin.Activate: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused, retrying in 4s"
Sep 17 21:31:23 controller dockerd[30029]: time="2020-09-17T21:31:23.645450218+08:00" level=warning msg="Unable to connect to plugin: 127.0.0.1:23750/Plugin.Activate: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused, retrying in 8s"
Sep 17 21:31:31 controller dockerd[30029]: time="2020-09-17T21:31:31.646711235+08:00" level=error msg="Handler for POST /v1.40/networks/create returned error: legacy plugin: Post http://127.0.0.1:23750/Plugin.Activate: dial tcp 127.0.0.1:23750: connect: connection refused"
是端口没有开放，查看一下kuryr发现是failed，好奇怪，failed为什么不报错
systemctl status kuryr-libnetwork.service
● kuryr-libnetwork.service - Kuryr-libnetwork - Docker network plugin for NeutronLoaded: loaded (/etc/systemd/system/kuryr-libnetwork.service; enabled; vendor preset: disabled)Active: failed (Result: exit-code) since Thu 2020-09-17 21:50:35 CST; 1min 55s agoProcess: 34251 ExecStart=/usr/bin/kuryr-server --config-file /etc/kuryr/kuryr.conf (code=exited, status=1/FAILURE)Main PID: 34251 (code=exited, status=1/FAILURE)Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr self.auth_ref = self.get_auth_ref(session)
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr File "/usr/lib/python2.7/site-packages/keystoneauth1/identity/generic/base.py", line 206, in get_auth_ref
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr self._plugin = self._do_create_plugin(session)
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr File "/usr/lib/python2.7/site-packages/keystoneauth1/identity/generic/base.py", line 161, in _do_create_plugin
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr 'auth_url is correct. %s' % e)
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr DiscoveryFailure: Could not find versioned identity endpoints when attempting to authenticate. Please check that your auth_url is correct. Unable to establish connection to http://controller:35357: HTTPConnectionPool(host='controller', port=35357): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f7eb017a2d0>: Failed to establish a new connection: [Errno 111] Connection refused',))
Sep 17 21:50:35 controller kuryr-server[34251]: 2020-09-17 21:50:35.015 34251 ERROR kuryr
Sep 17 21:50:35 controller systemd[1]: kuryr-libnetwork.service: main process exited, code=exited, status=1/FAILURE
Sep 17 21:50:35 controller systemd[1]: Unit kuryr-libnetwork.service entered failed state.
Sep 17 21:50:35 controller systemd[1]: kuryr-libnetwork.service failed.
看样子是授权的问题，修改一下配置文件/etc/kuryr/kuryr.conf的[neutron]段中的auth_url
auth_url = http://controller:5000
然后重新启动服务systemctl restart kuryr-libnetwork.service，再查看一下status，他正常了。
ERROR kuryr_libnetwork.controllers [-] ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Permission denied)
然后我使用kuryr网络创建容器，也可以运行，但是就是连不上网，谁都ping不通，网关也不通。查看opensatck发现网络端口是down的，显然不能用，然后呢，查看日志/var/log/kuryr/kuryr-server.log，可以发现每次创建容器的时候都会有这一句报错。
2020-11-04 11:23:31.404 11296 ERROR kuryr_libnetwork.controllers [-] ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Permission denied)
我用的是opencswitch，大概是kuryr没有权限操作这个db.sock去操作数据库，所以最后一步无法完成。
解决方案就是给他权限
chmod 777 /var/run/openvswitch/db.sock
然后就可以了。
重新验证
创建kuryr网络
[root@controller bin (keystone_admin)]#docker network create --driver kuryr --ipam-driver kuryr --subnet 10.10.0.0/16 --gateway=10.10.0.1 test_net
f7d2309acb8866510fbc8f4a12302e3b23ab88cb68b2639067dd82b2db9b2e13
[root@controller bin (keystone_admin)]#docker network ls
NETWORK ID NAME DRIVER SCOPE
5eb775de5898 bridge bridge local
f25e70052513 host host local
817f32f0e961 none null local
f7d2309acb88 test_net kuryr local
[root@controller bin (keystone_admin)]#docker network rm test_net
test_net
[root@controller bin (keystone_admin)]#docker network ls
NETWORK ID NAME DRIVER SCOPE
5eb775de5898 bridge bridge local
f25e70052513 host host local
817f32f0e961 none null local
然后可以在docker里创建一个容器看一看能不能用，如果正常的话应该是没问题的。
创建个容器试一下
拉取镜像
docker pull cirros
创建容器
[root@controller kuryr-libnetwork (keystone_admin)]#docker create --name 111 --net test_net cirros
df05dab0c409ebec4eee3805a5ea17b05822f5d090f5faddbb124d4eda91cd89
[root@controller kuryr-libnetwork (keystone_admin)]#docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
df05dab0c409 cirros "/sbin/init" 4 seconds ago Created 111
运行容器
docker start df0
没什么问题的话应该可以启动了。
执行一些命令看看，查看一下ip
[root@controller kuryr-libnetwork (keystone_admin)]#docker exec df0 ifconfig
eth0 Link encap:Ethernet HWaddr 02:42:59:E3:6B:A1 inet addr:10.10.3.22 Bcast:10.10.255.255 Mask:255.255.0.0UP BROADCAST RUNNING MULTICAST MTU:1450 Metric:1RX packets:18 errors:0 dropped:0 overruns:0 frame:0TX packets:91 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:1488 (1.4 KiB) TX bytes:4909 (4.7 KiB)lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0UP LOOPBACK RUNNING MTU:65536 Metric:1RX packets:64 errors:0 dropped:0 overruns:0 frame:0TX packets:64 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:5766 (5.6 KiB) TX bytes:5766 (5.6 KiB)再进入看看联不联网
报错
会报错，大致是说，他需要一个unicode，不是普通字符串，类型不匹配所以报错，经过测试也的确，把字符串改为unicode就不报错了，但是在这里不知道怎么转为unicode。
Error response from daemon: failed to create endpoint test_docker on network test_net: NetworkDriver.CreateEndpoint: '10.10.0.0/16' does not appear to be an IPv4 or IPv6 network. Did you pass in a bytes (str in Python 2) instead of a unicode object?
这可能是因为版本问题，我发现安装的docker是20版本，但是我之前好像是19，这里换成19.03版本就好了。
Zun
控制节点
Install and configure controller node
基础
创建数据库，授予权限
CREATE DATABASE zun;
GRANT ALL PRIVILEGES ON zun.* TO 'zun'@'localhost' IDENTIFIED BY 'zun';
GRANT ALL PRIVILEGES ON zun.* TO 'zun'@'%' IDENTIFIED BY 'zun';
创建用户，添加角色
[root@controller OpenStack (keystone_admin)]#openstack user create --domain default --password-prompt zun
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| enabled | True |
| id | cbbbd9a8cdb34e0c9e68d6908e5768d3 |
| name | zun |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+openstack role add --project service --user zun admin
创建服务实体
[root@controller OpenStack (keystone_admin)]#openstack service create --name zun --description "Container Service" container
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | Container Service |
| enabled | True |
| id | 88207c4d1785436898476a821ecc9100 |
| name | zun |
| type | container |
+-------------+----------------------------------+
创建服务端点
[root@controller OpenStack (keystone_admin)]#openstack endpoint create --region RegionOne container public http://controller:9517/v1
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
| id | 7405f9ce180c40dcba847b79cee825a3 |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 88207c4d1785436898476a821ecc9100 |
| service_name | zun |
| service_type | container |
| url | http://controller:9517/v1 |
+--------------+----------------------------------+
[root@controller OpenStack (keystone_admin)]#openstack endpoint create --region RegionOne container admin http://controller:9517/v1
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
| id | 56c39d65b7064fb2bd230d7eeb05ff07 |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 88207c4d1785436898476a821ecc9100 |
| service_name | zun |
| service_type | container |
| url | http://controller:9517/v1 |
+--------------+----------------------------------+
[root@controller OpenStack (keystone_admin)]#openstack endpoint create --region RegionOne container internal http://controller:9517/v1
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
| id | 38f89951d19645b78be8ba10717d7440 |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 88207c4d1785436898476a821ecc9100 |
| service_name | zun |
| service_type | container |
| url | http://controller:9517/v1 |
+--------------+----------------------------------+
安装配置
创建系统用户
groupadd --system zun
useradd --home-dir "/var/lib/zun" --create-home --system --shell /bin/false -g zun zun
创建文件夹，授权一下
mkdir -p /etc/zun
chown zun:zun /etc/zun
安装一些依赖
yum install python-pip git python-devel libffi-devel gcc openssl-devel -y
还是一样，我直接复制过去了，因为我的zun是单独下载下来的，GitHub太慢了。复制过去，授予权限。
# cd /var/lib/zun
# git clone -b stable/stein https://git.openstack.org/openstack/zun.git
tar -zvxf zun-stable_stein.tar.gz
cp -r zun /var/lib/zun/zun
cd /var/lib/zun
chown -R zun:zun zun
cd zun
git init
pip install -r requirements.txt
python setup.py install
这里报错了
Attempting uninstall: PyYAMLFound existing installation: PyYAML 3.10
ERROR: Cannot uninstall 'PyYAML'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
如何升级disutils软件包PyYAML？(How to upgrade disutils package PyYAML?)
这个报错大概就是说PyYAML它不会自己卸载，可能有依赖之类的，解决方案是降级pip，然后重新安装依赖
pip install pip==8.11
pip install -r requirements.txt
复制一下配置文件
su -s /bin/sh -c "oslo-config-generator --config-file etc/zun/zun-config-generator.conf" zun
su -s /bin/sh -c "cp etc/zun/zun.conf.sample /etc/zun/zun.conf" zun
su -s /bin/sh -c "cp etc/zun/api-paste.ini /etc/zun" zun
编辑配置文件/etc/zun/zun.conf
[DEFAULT]
transport_url = rabbit://openstack:openstack@controller[api]
port = 9517
host_ip = 192.168.1.104[database]
connection = mysql+pymysql://zun:zun@controller/zun[keystone_auth]
memcached_servers = controller:11211
www_authenticate_uri = http://controller:5000
project_domain_name = Default
project_name = service
user_domain_name = Default
password = zun
username = zun
auth_url = http://controller:5000
auth_type = password
auth_version = v3
auth_protocol = http
service_token_roles_required = True
endpoint_type = internalURL[keystone_authtoken]
memcached_servers = controller:11211
www_authenticate_uri = http://controller:5000
project_domain_name = Default
project_name = service
user_domain_name = Default
password = zun
username = zun
auth_url = http://controller:5000
auth_type = password
auth_version = v3
auth_protocol = http
service_token_roles_required = True
endpoint_type = internalURL[oslo_concurrency]
lock_path = /var/lib/zun/tmp[oslo_messaging_notifications]
driver=messaging[websocket_proxy]
wsproxy_host = 192.168.1.104
wsproxy_port = 6784
base_url = ws://controller:6784/
给配置文件一个权限
chown zun:zun /etc/zun/zun.conf
同步数据库
su -s /bin/sh -c "zun-db-manage upgrade" zun
报错：There must be at least one plugin active
DB update fails during magnum install in newton
Missing files from python-magnum 3.1.1-0~cloud0
会报错
Traceback (most recent call last):File "/usr/bin/zun-db-manage", line 10, in <module>sys.exit(main())File "/usr/lib/python2.7/site-packages/zun/cmd/db_manage.py", line 67, in mainCONF.command.func()File "/usr/lib/python2.7/site-packages/zun/cmd/db_manage.py", line 29, in do_upgrademigration.upgrade(CONF.command.revision)File "/usr/lib/python2.7/site-packages/zun/db/migration.py", line 35, in upgradereturn get_backend().upgrade(version)File "/usr/lib/python2.7/site-packages/zun/db/sqlalchemy/migration.py", line 75, in upgradeget_manager().upgrade(version)File "/usr/lib/python2.7/site-packages/zun/db/sqlalchemy/migration.py", line 49, in get_manager_MANAGER = manager.MigrationManager(migration_config)File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/migration_cli/manager.py", line 47, in __init__raise ValueError('There must be at least one plugin active.')
ValueError: There must be at least one plugin active.
这个问题百度搜不出来的，没有人问过。然后，换一下关键词sqlalchemy报错There must be at least one plugin active.，可以发现有人在安装magnum的时候碰到了，这个好像是他那个版本的bug，他们已经修复了，但是我是zun，只能自己玩。
他的问题大概就是，在/usr/lib/python2.7/dist-packages/magnum/db/sqlalchemy文件夹下缺失文件alembic.ini and the whole alembic subdirectory。
我看了看，我的这个文件夹/usr/lib/python2.7/site-packages/zun/db/sqlalchemy，底下的确没有这两个东西，而很奇怪，我下载的zun.tar.gz里面是有的，而且在/usr/lib/python2.7/site-packages/zun/db/sqlalchemy/migration.py可以看到，有这个一些方法，他们都使用了os.path.dirname(file)，即在当前文件目录下搜索，但是这个文件夹中没有需要的这两个文件，他找不到，就只能报错了。至于为什么，可能是源码优点小bug？
def _alembic_config():path = os.path.join(os.path.dirname(__file__), 'alembic.ini')config = alembic_config.Config(path)return configdef get_manager():global _MANAGERif not _MANAGER:alembic_path = os.path.abspath(os.path.join(os.path.dirname(__file__), 'alembic.ini'))migrate_path = os.path.abspath(os.path.join(os.path.dirname(__file__), 'alembic'))migration_config = {'alembic_ini_path': alembic_path,'alembic_repo_path': migrate_path,'db_url': zun.conf.CONF.database.connection}_MANAGER = manager.MigrationManager(migration_config)return _MANAGER
解决方案吧，我就直接把它复制过去了
cd /home/kang/Desktop/linux/OpenStack/kuryrAzun(stein)/zun/zun/db/sqlalchemy
cp -r alembic /usr/lib/python2.7/site-packages/zun/db/sqlalchemy/alembic
cp alembic.ini /usr/lib/python2.7/site-packages/zun/db/sqlalchemy/alembic.ini
然后重新执行su -s /bin/sh -c “zun-db-manage upgrade” zun同步数据库，他正常了。
INFO [alembic.runtime.migration] Context impl MySQLImpl.
INFO [alembic.runtime.migration] Will assume non-transactional DDL.
INFO [alembic.runtime.migration] Running upgrade -> a9a92eebd9a8, create_table_zun_service
INFO [alembic.runtime.migration] Running upgrade a9a92eebd9a8 -> 9fe371393a24, create_table_container
INFO [alembic.runtime.migration] Running upgrade 9fe371393a24 -> 5971a6844738, add container_id column to container
INFO [alembic.runtime.migration] Running upgrade 5971a6844738 -> 93fbb05b77b9, add memory field to container
INFO [alembic.runtime.migration] Running upgrade 93fbb05b77b9 -> 63a08e32cc43, add task state to container
INFO [alembic.runtime.migration] Running upgrade 63a08e32cc43 -> 1192ba19a6e9, Add cpu workdir ports hostname labels to container
INFO [alembic.runtime.migration] Running upgrade 1192ba19a6e9 -> 72c6947c6636, create_table_image
INFO [alembic.runtime.migration] Running upgrade 72c6947c6636 -> c5565cbaa3de, Insert status_reason to Container table
INFO [alembic.runtime.migration] Running upgrade c5565cbaa3de -> 43e1088c3389, add image_pull_policy column
INFO [alembic.runtime.migration] Running upgrade 43e1088c3389 -> 4a0c4f7a4a33, add meta addresses to container
INFO [alembic.runtime.migration] Running upgrade 4a0c4f7a4a33 -> 531e4a890480, add host to container
INFO [alembic.runtime.migration] Running upgrade 531e4a890480 -> bbcfa910a8a5, add_restart_policy_column
INFO [alembic.runtime.migration] Running upgrade bbcfa910a8a5 -> ad43a2179cf2, add_status_detail
INFO [alembic.runtime.migration] Running upgrade ad43a2179cf2 -> d1ef05fd92c8, add tty stdin_open
INFO [alembic.runtime.migration] Running upgrade d1ef05fd92c8 -> 5458f8394206, add image driver field
INFO [alembic.runtime.migration] Running upgrade 5458f8394206 -> 6fd4f7582eb0, Add resource provider table
INFO [alembic.runtime.migration] Running upgrade 6fd4f7582eb0 -> 7975b7f0f792, Add resource class table
INFO [alembic.runtime.migration] Running upgrade 7975b7f0f792 -> 09f196622a3f, create inventory table
INFO [alembic.runtime.migration] Running upgrade 09f196622a3f -> e4d145e195f4, Create allocation table
INFO [alembic.runtime.migration] Running upgrade e4d145e195f4 -> 8192905fd835, add uuid_to_resource_class
INFO [alembic.runtime.migration] Running upgrade 8192905fd835 -> eeac0d191f5a, add compute node table
INFO [alembic.runtime.migration] Running upgrade eeac0d191f5a -> 53a8b515057e, Add memory info to compute node
INFO [alembic.runtime.migration] Running upgrade 53a8b515057e -> 4bf34495d060, Add container number info to compute node
INFO [alembic.runtime.migration] Running upgrade 4bf34495d060 -> ce9944b346cb, combine tty and stdin_open
INFO [alembic.runtime.migration] Running upgrade ce9944b346cb -> 8c3d80e18eb5, Add container cpus,cpu_used to compute node
INFO [alembic.runtime.migration] Running upgrade 8c3d80e18eb5 -> 04ba87af76bb, Add container host operating system info
INFO [alembic.runtime.migration] Running upgrade 04ba87af76bb -> 17ab8b533cc8, Add container hosts label info
INFO [alembic.runtime.migration] Running upgrade 17ab8b533cc8 -> 5359d23b2322, add websocket_url and websocket_token
INFO [alembic.runtime.migration] Running upgrade 5359d23b2322 -> 174cafda0857, add security groups
INFO [alembic.runtime.migration] Running upgrade 174cafda0857 -> 648c25faa0be, add mem used to compute node
INFO [alembic.runtime.migration] Running upgrade 648c25faa0be -> 75315e219cfb, Add auto_remove to container
INFO [alembic.runtime.migration] Running upgrade 75315e219cfb -> a251f1f61217, create capsule table
INFO [alembic.runtime.migration] Running upgrade a251f1f61217 -> 945569b3669f, add runtime column
INFO [alembic.runtime.migration] Running upgrade 945569b3669f -> 10d65e285a59, create volume_mapping table
INFO [alembic.runtime.migration] Running upgrade 10d65e285a59 -> 37bce72463e3, add pci device
INFO [alembic.runtime.migration] Running upgrade 37bce72463e3 -> bcd6410d645e, add host to capsule
INFO [alembic.runtime.migration] Running upgrade bcd6410d645e -> fc27c7415d9c, change the properties of meta_labels
INFO [alembic.runtime.migration] Running upgrade fc27c7415d9c -> ff7b9665d504, add pci stats to compute node
INFO [alembic.runtime.migration] Running upgrade ff7b9665d504 -> f046346d1d87, add timestamp to pci device
INFO [alembic.runtime.migration] Running upgrade f046346d1d87 -> d2affd5b4172
INFO [alembic.runtime.migration] Running upgrade d2affd5b4172 -> cf46a28f46bc, add container_actions table
INFO [alembic.runtime.migration] Running upgrade cf46a28f46bc -> b6bfca998431, add container_actions_events table
INFO [alembic.runtime.migration] Running upgrade b6bfca998431 -> 8b0082d9e7c1, drop foreign key of container_actions container_uuid
INFO [alembic.runtime.migration] Running upgrade 8b0082d9e7c1 -> 10c9668a816d, add volumes info and addresses to capsule
INFO [alembic.runtime.migration] Running upgrade 10c9668a816d -> 71f8b4cf1dbf, upgrade
INFO [alembic.runtime.migration] Running upgrade 71f8b4cf1dbf -> d9714eadbdc2, add disk to container
INFO [alembic.runtime.migration] Running upgrade d9714eadbdc2 -> 6ff4d35f4334, change properties of restart policy in capsule
INFO [alembic.runtime.migration] Running upgrade 6ff4d35f4334 -> fb9ad4a050f8, drop_container_actions_foreign_key
INFO [alembic.runtime.migration] Running upgrade fb9ad4a050f8 -> 50829990c965, add ondelete to container_actions_events foreign key
INFO [alembic.runtime.migration] Running upgrade 50829990c965 -> 3f49fa520409, add availability_zone to service
INFO [alembic.runtime.migration] Running upgrade 3f49fa520409 -> d0c606fdec3c, add disk total and used to compute node
INFO [alembic.runtime.migration] Running upgrade d0c606fdec3c -> 372433c0afd2, add auto heal to container
INFO [alembic.runtime.migration] Running upgrade 372433c0afd2 -> 238f94009eab, add disk_quota_supported to compute_node
INFO [alembic.runtime.migration] Running upgrade 238f94009eab -> 2b045cb595db, Create quota & quota class tables
INFO [alembic.runtime.migration] Running upgrade 2b045cb595db -> cff60402dd86, add capsule_id to containers
INFO [alembic.runtime.migration] Running upgrade cff60402dd86 -> 271c7f45982d, add started_at to containers
INFO [alembic.runtime.migration] Running upgrade 271c7f45982d -> 3298c6a5c3d9, empty message
INFO [alembic.runtime.migration] Running upgrade 3298c6a5c3d9 -> 012a730926e8, Add quota usage
INFO [alembic.runtime.migration] Running upgrade 012a730926e8 -> 26896d5f9053, create exec_instance table
INFO [alembic.runtime.migration] Running upgrade 26896d5f9053 -> 3e80bbfd8da7, Convert type of 'command' from string to list
INFO [alembic.runtime.migration] Running upgrade 3e80bbfd8da7 -> 105626c4f972, add privileged to container
INFO [alembic.runtime.migration] Running upgrade 105626c4f972 -> 2fb377a5a519, add healthcheck to containers
INFO [alembic.runtime.migration] Running upgrade 2fb377a5a519 -> f746cd28bcac, add host to volume mapping
INFO [alembic.runtime.migration] Running upgrade f746cd28bcac -> bc56b9932dd9, add runtime to compute node
INFO [alembic.runtime.migration] Running upgrade bc56b9932dd9 -> a9c9fb54274a, add_contents_to_volume_mapping_table
INFO [alembic.runtime.migration] Running upgrade a9c9fb54274a -> a019998b09b5, add host to image
INFO [alembic.runtime.migration] Running upgrade a019998b09b5 -> 02134de8e7d3, add_exposed_ports_to_container
INFO [alembic.runtime.migration] Running upgrade 02134de8e7d3 -> 54bcb75afb32, Add init containers uuids to capsule
INFO [alembic.runtime.migration] Running upgrade 54bcb75afb32 -> 35cb52c5553f, rename volume_id to cinder_volume_id in volume_mapping
INFO [alembic.runtime.migration] Running upgrade 35cb52c5553f -> 33cdd98bb9b2, split volume_mapping table
INFO [alembic.runtime.migration] Running upgrade 33cdd98bb9b2 -> 2b129060baff, support cpuset
INFO [alembic.runtime.migration] Running upgrade 2b129060baff -> 21fa080c818a, add enable_cpu_pinning to compute_node
INFO [alembic.runtime.migration] Running upgrade 21fa080c818a -> 5ffc1cabe6b4, add registry table
INFO [alembic.runtime.migration] Running upgrade 5ffc1cabe6b4 -> 1bc34e18180b, add registry_id to container
INFO [alembic.runtime.migration] Running upgrade 1bc34e18180b -> d73b72ab7cc6, add container_type to container
INFO [alembic.runtime.migration] Running upgrade d73b72ab7cc6 -> 157a0595e13e, drop capsule table
继续
源码安装的需要手动创建服务文件。
创建/etc/systemd/system/zun-api.service，这里官网写的执行文件路径是/usr/local/bin/zun-api，但是我看了一下这是空的，我的路径在/usr/bin/zun-api，所以修改一下。
[Unit]
Description = OpenStack Container Service API[Service]
ExecStart = /usr/bin/zun-api
User = zun[Install]
WantedBy = multi-user.target
创建/etc/systemd/system/zun-wsproxy.service，同样换一下路径
[Unit]
Description = OpenStack Container Service Websocket Proxy[Service]
ExecStart = /usr/bin/zun-wsproxy
User = zun[Install]
WantedBy = multi-user.target
启动服务，自启动，记得查看一下status，避免出错。
systemctl enable zun-api.service zun-wsproxy.service
systemctl start zun-api.service zun-wsproxy.service
systemctl status zun-api.service zun-wsproxy.service
计算节点
Install and configure a compute node
需要提前安装好docker，kuryr libnetwork和etcd。
前面的创建用户，创建文件夹授权，下载源码，安装依赖，安装，步骤和控制节点一样。从配置文件开始不一样了。
复制一下配置文件，一定要先切换到/var/lib/zun/zun下，不然会找不到文件，因为他用的是相对路径
cd /var/lib/zun/zun
su -s /bin/sh -c "cp etc/zun/rootwrap.conf /etc/zun/rootwrap.conf" zun
su -s /bin/sh -c "mkdir -p /etc/zun/rootwrap.d" zun
su -s /bin/sh -c "cp etc/zun/rootwrap.d/* /etc/zun/rootwrap.d/" zun
配置一下zun的超级权限？好像是这个名。(Configure sudoers for zun users)。
同样，官网的路径带local，我的没有，直接是/usr/bin
echo "zun ALL=(root) NOPASSWD: /usr/bin/zun-rootwrap /etc/zun/rootwrap.conf *" | sudo tee /etc/sudoers.d/zun-rootwrap
编辑配置文件/etc/zun/zun.conf，基本配置和控制节点差不多，重复的就不写了。
[DEFAULT]
state_path = /var/lib/zun
再给配置文件授权一下
chown zun:zun /etc/zun/zun.conf
在docker和kuryr里配置一下
创建文件夹/etc/systemd/system/docker.service.d
mkdir -p /etc/systemd/system/docker.service.d
创建文件/etc/systemd/system/docker.service.d/docker.conf，编辑，注意ip要写对。
[Service]
ExecStart=
ExecStart=/usr/bin/dockerd --group zun -H tcp://controller:2375 -H unix:///var/run/docker.sock --cluster-store etcd://controller:2379
重启一下docker
systemctl daemon-reload
systemctl restart docker
systemctl status docker
编辑配置文件/etc/kuryr/kuryr.conf
[DEFAULT]
capability_scope = global
process_external_connectivity = False
重启一下
systemctl restart kuryr-libnetwork.service
systemctl status kuryr-libnetwork.service
安装完了，创建一下服务文件/etc/systemd/system/zun-compute.service，同样要改一下路径，去掉local变成/usr/lib
[Unit]
Description = OpenStack Container Service Compute Agent[Service]
ExecStart = /usr/bin/zun-compute
User = zun[Install]
WantedBy = multi-user.target
启动服务，自启动，查看一下状态
systemctl enable zun-compute
systemctl start zun-compute
systemctl status zun-compute
验证
Verify operation
安装一下python-zunclient
pip install python-zunclient==3.3.0
验证一下
[root@controller OpenStack (keystone_admin)]#openstack appcontainer service list
+----+------------+-------------+-------+----------+-----------------+---------------------+-------------------+
| Id | Host | Binary | State | Disabled | Disabled Reason | Updated At | Availability Zone |
+----+------------+-------------+-------+----------+-----------------+---------------------+-------------------+
| 1 | controller | zun-compute | up | False | None | 2020-09-18 04:26:20 | nova |
+----+------------+-------------+-------+----------+-----------------+---------------------+-------------------+
创建一个Container
安装numactl
yum install -y numactl
查看一下当前的网络
[root@controller OpenStack (keystone_admin)]#openstack network list
+--------------------------------------+-----------+--------------------------------------+
| ID | Name | Subnets |
+--------------------------------------+-----------+--------------------------------------+
| 28b14a2f-fd62-4758-bd58-66d47dafd89a | private | 97112257-804d-4e1f-82be-ccc9eaca2c8b |
| 2e9365f9-c631-4ff2-bb29-284b07cf4edf | public | 37fe42b0-2eca-4eea-9a2f-5a47346d22f2 |
| 427086b7-9c9f-474b-9897-85030041b904 | vxlan-net | 2a16f678-7e3c-45a2-b5e6-a043bb88e7e9 |
+--------------------------------------+-----------+--------------------------------------+
设置一下环境变量，使用
export NET_ID=28b14a2f-fd62-4758-bd58-66d47dafd89a
创建一个
[root@controller OpenStack (keystone_admin)]#openstack appcontainer run --name container --net network=$NET_ID cirros
+-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| addresses | None |
| links | [{u'href': u'http://controller:9517/v1/containers/757e6996-118e-491f-84cf-0f0ec664c8e5', u'rel': u'self'}, {u'href': u'http://controller:9517/containers/757e6996-118e-491f-84cf-0f0ec664c8e5', u'rel': u'bookmark'}] |
| image | cirros |
| labels | {} |
| disk | 0 |
| security_groups | None |
| image_pull_policy | None |
| user_id | 076b4800654a456fbd6b96244af827de |
| uuid | 757e6996-118e-491f-84cf-0f0ec664c8e5 |
| hostname | None |
| auto_heal | False |
| environment | {} |
| memory | 2048 |
| project_id | 91973963c02a4480bc281545fe4319f7 |
| privileged | False |
| status | Creating |
| workdir | None |
| healthcheck | None |
| auto_remove | False |
| status_detail | None |
| cpu_policy | shared |
| host | None |
| image_driver | docker |
| task_state | None |
| status_reason | None |
| name | container |
| restart_policy | None |
| ports | None |
| command | [u'ping', u'8.8.8.8'] |
| runtime | None |
| registry_id | None |
| cpu | 1.0 |
| interactive | False |
+-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
然后执行openstack appcontainer list查看一下状态
[root@controller OpenStack (keystone_admin)]#openstack appcontainer list
+--------------------------------------+-----------+--------+----------+---------------+-----------+-------+
| uuid | name | image | status | task_state | addresses | ports |
+--------------------------------------+-----------+--------+----------+---------------+-----------+-------+
| 757e6996-118e-491f-84cf-0f0ec664c8e5 | container | cirros | Creating | image_pulling | | [] |
+--------------------------------------+-----------+--------+----------+---------------+-----------+-------+
然后发现状态ERROR
好像是拉取不到镜像，我觉得是docker搜索不到这个镜像，因为执行docker search redis，可以找到，可能就是没有cirros吧。
然后感觉他应该能从glance获取镜像，查看一下/etc/zun/zun.conf，搜索glance，发现image_list=glance,docker这个字段，取消注释。
重新建立容器，但是这时候报错500，还是23750拒绝连接。检查一下kuryr的服务，重启。
kuryr重启后，重新创建容器。
ohhhhhhhhhhhh，终于成功了。
docker私有仓库
创建仓库
创建存储目录
mkdir -p /opt/data/registry
创建容器
docker run -d -p 5000:5000 -v /opt/data/registry:/var/lib/registry --name private-registry registry
如果报错
docker: Error response from daemon: Conflict. The container name “/private-registry” is already in use by container “9bad47733c6cc8abc0199759a578442634228d7141bbcea267e1de4158d3baaa”. You have to remove (or rename) that container to be able to reuse that name.
说明已经有一个容器叫这个名字了，执行docker container ls --all查看一下
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9bad47733c6c registry "/entrypoint.sh /etc…" 14 minutes ago Created private-registry
把这个删除就行，然后重新创建容器。
这里有一个小误区，-p参数是指示端口映射，使用为-p xxx:yyy，即主机的xxx映射为容器的yyy，因此这里我写的有问题，如果主机的5050被占用了，应该改成-p 5050:5000，而不是-p 5000:5000
这里端口我换成5050试一下，因为5000好像被httpd占用了，不知道干什么了。但是创建之后，可以使用5000端口push镜像。这里将主机的5050端口映射给容器的5000端口。
[root@controller kang]# docker container rm private-registry
[root@controller kang]# docker run -d -p 5050:5000 -v /opt/data/registry:/var/lib/registry --name private-registry registry
[root@controller kang]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4f34ed10721f registry "/entrypoint.sh /etc…" 39 seconds ago Up 38 seconds 5000/tcp, 0.0.0.0:5050->5050/tcp private-registry
添加一下权限，编辑/etc/docker/daemon.json
{"registry-mirrors":["https://docker.mirrors.ustc.edu.cn","https://kfwkfulq.mirror.aliyuncs.com","https://2lqq34jg.mirror.aliyuncs.com","https://p336w651.mirror.aliyuncs.com","https://registry.docker-cn.com","http://hub-mirror.c.163.com"],"insecure-registries":["192.168.1.104:5050"]
}
重启服务
systemctl daemon-reload
systemctl restart docker
启动容器，如果docker ps看不见有东西的话，那么加个参数-a，因为默认只显示运行中的容器。
docker restart private-registry
上传镜像
修改镜像的tag
[root@controller kang]# docker tag cirros:latest 192.168.1.104:5050/my-cirros
[root@controller kang]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry latest 2d4f4b5309b1 3 months ago 26.2MB
192.168.1.104:5050/my-cirros latest 3c82e4d066cf 7 months ago 12.6MB
cirros latest 3c82e4d066cf 7 months ago 12.6MB
zun-registry.com/my-cirros latest 3c82e4d066cf 7 months ago 12.6MB
如果想删除这个标签的话，执行docker rmi zun-registry.com/my-cirros，就可以把对应的标签删除了。
然后push。
[root@controller kang]# docker push 192.168.1.104:5050/my-cirros
The push refers to repository [192.168.1.104:5050/my-cirros]
858d98ac4893: Pushed
aa107a407592: Pushed
b993cfcfd8fd: Pushed
latest: digest: sha256:c7d58d6d463247a2540b8c10ff012c34fd443426462e891b13119a9c66dfd28a size: 943
执行curl 192.168.1.104:5050/v2/_catalog查看一下
[root@controller kang]# curl 192.168.1.104:5050/v2/_catalog
{"repositories":["my-cirros"]}
这里如果想测试浮动IP和ssh之类的，下载这个镜像ilpan/base-ssh，是一个基于ubuntu 16.04配置了ssh的镜像。
镜像的导出和导入
设立仓库的用途是方便离线使用镜像，既然离线了，肯定就没法下载镜像，然后呢，可以从有网的地方pull好镜像，然后执行如下命令导出镜像
docker save -o xx.tar xxx:latest
导入镜像执行
docker load -i xx.tar
或者
docker load < xx.tar
容器测试
测试一下，创建容器
openstack appcontainer run --name container222 --net network=$NET_ID 192.168.1.104:5050/my-cirros
然后稍等一下就可以看到容器创建成功了。好像都没有image_pulling这个过程了，直接就到了container_creating。
容器删除
普通的docker镜像删除是这样docker rmi {image_id}
仓库里的镜像也可以删除，避免仓库太臃肿和出现一些奇怪的问题，主要是两步，先删除镜像文件，然后更新一下仓库的什么玩意，垃圾回收吧
rm -rf /var/lib/registry/docker/registry/v2/repositories/{image_name}/
registry garbage-collect /etc/docker/registry/config.yaml
最后可以重启一下仓库registry
报错
这里有几个报错，可以依次看看。
image could not be found
首先我这疯狂报错找不到镜像，可是我觉得我没什么问题。
顺着他的路径去找一下，找到了这个方法
可以看到，其实他这里在检查镜像的format，必须是docker才行，然后我这里加了一行输出，输出镜像的format，都是bare。bare是给虚拟机用的，如果想给docker用，需要在上传镜像的时候format选择docker格式。
permission deny
在创建容器的时候报错拒绝访问
这个就简单了，给这个文件夹授权一下
chmod 777 /var/lib/glance/images
找不到镜像
然后呢，如果用docker引擎的话，好像就是直接从docker hub下载的，如果网不好的话可能就下载失败之类的。
docker是有cirros的，执行docker search cirros，官方有一个镜像。
如果用glance，其实我还没成功。
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