标签:ack time change ann sum env body mqc 认证
首先,查看一下当前有哪些用户:
$ /usr/local/sbin/rabbitmqctl list_users
Listing users ...
patty [administrator]
guest [administrator]
然后,我们新增一个用户wgm并再次查看新增后的用户列表:
$ /usr/local/sbin/rabbitmqctl add_user wgm 123456
$ /usr/local/sbin/rabbitmqctl list_users
Listing users ...
patty [administrator]
wgm []
guest [administrator]
由于此时还未对wgm授予角色, wgm的角色一栏结果还是[],现在, 我们授予wgm administrator角色
$ /usr/local/sbin/rabbitmqctl set_user_tags wgm administrator Setting tags for user "wgm" to [administrator] ...
$ /usr/local/sbin/rabbitmqctl list_users Listing users ... patty [administrator] wgm [administrator] guest [administrator]
接下来, 查看我们当前在哪个virtual host上,以及该virtual host上所有用户所拥有的权限:
$ /usr/local/sbin/rabbitmqctl list_vhosts Listing vhosts ... /
$ /usr/local/sbin/rabbitmqctl list_permissions -p / Listing permissions in vhost "/" ... guest .* .* .* patty .* .* .*
可见当前vhost上有默认用户guest,以及之前通过rabbitmqadmin管理界面添加的用户patty, 他们拥有该vhost所有的配置、读写权限。此时并没有显示wgm,是因为我们还未对他进行赋权,当然,我们也可以单独查看一个用户的权限信息:
$ /usr/local/sbin/rabbitmqctl list_user_permissions wgm Listing permissions for user "wgm" ...
现在,对wgm这个用户进行授权,赋予其在"/"这个vhost上所有的配置、读写权限。
$ /usr/local/sbin/rabbitmqctl set_permissions -p / wgm ".*" ".*" ".*" Setting permissions for user "wgm" in vhost "/" ... $ /usr/local/sbin/rabbitmqctl list_user_permissions wgm Listing permissions for user "wgm" ... / .* .* .*
set_permissions命令格式为:
set_permissions [-p vhost] {user} {conf} {write} {read}, conf对应配置权限, write写权限, read读权限
现在,再查看“/”这个vhost的权限信息,会发现多了一个“wgm”
$ /usr/local/sbin/rabbitmqctl list_permissions -p / Listing permissions in vhost "/" ... guest .* .* .* wgm .* .* .* patty .* .* .*
接下来, 我们通过Python程序验证,使用用户wgm来发送消息信息,然后guest用户去接收消息。
#!/usr/bin/env python # encoding: utf-8 """ @version: 1.0 @author: Gaomin Wu @contact: pattywgm@163.com @file: send.py @time: 17/7/11 下午3:47 @desc: 消息发送方 涉及基本的消息发送,不对消息进行确认 """ import pika # 远程访问,用户认证 credential = pika.PlainCredentials(username="wgm", password="123456") connection = pika.BlockingConnection(pika.ConnectionParameters(host="localhost", credentials=credential)) channel = connection.channel() # 消息的发送者和消费者都可以声明queue, 多次声明只有一次会被创建 # 如果消息发送到一个不存在的queue,将被丢弃,因此,安全起见,最好是在双方都声明一次 channel.queue_declare("hello") # routing_key指定exchange关联到hello这个queue channel.basic_publish(exchange="", routing_key="hello", body="Hello Patty!!!") print(" [x] Sent ‘Hello World!‘") connection.close()
#!/usr/bin/env python # encoding: utf-8 """ @version: 1.0 @author: Gaomin Wu @contact: pattywgm@163.com @file: receive.py @time: 17/7/11 下午3:47 @desc: 消息接收方 """ import pika connection = pika.BlockingConnection(pika.ConnectionParameters(host="localhost")) channel = connection.channel() channel.queue_declare("hello") # 消息回调处理函数 def callback(ch, method, properties, body): print(" [x] Received %r" % body) channel.basic_consume(callback, queue=‘hello‘, no_ack=True) print(‘ [*] Waiting for messages. To exit press CTRL+C‘) channel.start_consuming()
标签:ack time change ann sum env body mqc 认证
原文地址:http://www.cnblogs.com/java-wgm/p/7156346.html