March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Content preview from Presto实战
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安全
｜
197
然后需要在协调器上创建
rules.json
文件，放在
access-control.properties
文件中指定的路径
位置，并定义从
principal
到
user
的映射，其中必须包含
CN=
：
{
"catalogs": [
{
"allow": true
}
],
"principals": [
{
"principal": "CN=(.*)",
"principal_to_user": "$1",
"allow": true
}
]
}
我们正将一个安全主体的正则表达式与捕获组进行匹配。然后，我们使用这个捕获组来将
安全主体映射到用户。在我们的例子中，
regex
匹配
CN=matt
，其中
matt
是捕获组中的一
部分，它被映射到用户。当你创建了这些文件并重启协调器后，证书认证和用户对应的安
全主体认证都会生效：
SELECT * FROM system.runtime.nodes;
-[ RECORD 1 ]+--------------------------------------------------------
node_id | i-0779df73d79748087
http_uri | https://coordinator.example.com:8443
node_version | 312
coordinator | true
state | active
-[ RECORD 2 ]+-------------------------------------------------------- ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.