Key Components

Discovery

Policy

Tagging

Task

Brokers

Razor:Discovery

• When a server is booted, DHCP server will point the server to a static PXE provided by Razor.
  
• This PXE file will point the server at the Razor API and automatically pull down the MK and load it.
• Kernel will contact the razor-server and register the node with razor.

Razor:Tagging

if processorcount<=10 and memorysize>= 1024MB

then tag:demo_tag

{

"name": "demo_tag",
"rule": ["and",
["<=", ["num", ["fact", "processorcount"]], 10],
[">=", ["num", ["fact", "memorysize_mb"]], 1024]]

}

Razor:Policy

A Policy in Razor is a rule that takes a repo  and applies it to a Node based on matching against Tags.

{"name": "ubuntu-server",
  "repo": { "name": "ubuntu" },
  "task": { "name": "ubuntu" },
  "broker": { "name": "puppet" },
  "hostname": "host${id}.pdlab.local",
  "root_password": "pramati",
  "max_count": "100",
  "tags": [{ "name": "tag2"}]}