[SQL: UPDATE services SET updated_at=%(updated_at)s, report_count=%(report_count)s, last_seen_up=%(last_seen_up)s WHERE services.id = %(services_id)s]
[parameters: {'last_seen_up': datetime.datetime(2022, 8, 9, 11, 4, 54, 153870), 'services_id': 7, 'updated_at': datetime.datetime(2022, 8, 9, 11, 4, 54, 256605), 'report_count': 2340897}]
(Background on this error at: http://sqlalche.me/e/e3q8)
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db Traceback (most recent call last):
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/servicegroup/drivers/db.py", line 92, in _report_state
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db     service.service_ref.save()
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db   File "/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 226, in wrapper
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db     return fn(self, *args, **kwargs)
2022-08-09 19:05:00.293 67 ERROR nova.servicegroup.drivers.db   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/objects/service.py", line 406, in save

2.

2022-08-03

openstack-neutron-常用网络命令

**创建默认vxlan网络 **

1	#neutron net-create vpc1

**创建子网 **

1	#neutron subnet-create vpc1-subnet 192.168.0.0/24

2022-08-01

openstack-nova-虚拟机热迁移过程源码刨析

热迁移主要包括三个阶段：

pre_live_migration 阶段：热迁移前的准备阶段，主要在目的计算节点上提前准备虚拟机资源，包括网络资源，例如：建立虚拟机的网卡，然后将网卡加入 OvS br-int 网桥。如果该阶段失败，会有回滚操作。
内存迁移阶段：该阶段完全虚拟机虚拟内存数据的迁移，如果虚拟机的系统盘在计算节点本地，那么系统盘数据也会在此时进行迁移。如果该阶段失败，会有回滚操作，回滚流程和 pre_live_migration 阶段一致。
post_live_migration 阶段：热迁移完成后资源清理阶段，源计算节点主要是断开源计算节点上虚拟机的卷连接、清理源计算节点虚拟机的网卡资源；目的节点主要是调用 neutronclient，更新 Port Host 属性为目的计算节点。(NOTE：该阶段无需回滚流程，因为虚拟机实际上已经成功迁移，再回滚没有意义）

2022-07-28

虚拟化-numa架构讲解(1)

d

2022-07-27

go-实用方法-判断字符串为uuid类型

go 遇到需要判断字符串是否为uuid 类型，函数如下

func IsValidUUID(uuid string) bool {
	r := regexp.MustCompile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[8|9|aA|bB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$")
	return r.MatchString(uuid)
}

2022-02-25

go-etcd clientv3 包冲突问题

golang 当中操作 etcd 必须 go get go.etcd.io/etcd/clientv3
但是会报错如下：

github.com/coreos/etcd/clientv3/balancer/picker

F:\Go\pkg\mod\github.com\coreos\etcd@v3.3.22+incompatible\clientv3\balancer\picker\err.go:37:44: undefined: balancer.PickOptions
F:\Go\pkg\mod\github.com\coreos\etcd@v3.3.22+incompatible\clientv3\balancer\picker\roundrobin_balanced.go:55:54: undefined: balancer.PickOptions

github.com/coreos/etcd/clientv3/balancer/resolver/endpoint

F:\Go\pkg\mod\github.com\coreos\etcd@v3.3.22+incompatible\clientv3\balancer\resolver\endpoint\endpoint.go:114:78: undefined: resolver.BuildOption
F:\Go\pkg\mod\github.com\coreos\etcd@v3.3.22+incompatible\clientv3\balancer\resolver\endpoint\endpoint.go:182:31: undefined: resolver.ResolveNowOption
大概是说原因是 google.golang.org/grpc 1.26 后的版本是不支持 clientv3 的。