Parsing 如何使用textfsm解析具有级联元素的CLI输出
我试图使用textfsm和python解析具有级联元素的CLI输出。下面是一个例子:Ref- 使用这个例子。如何获取每个插槽的“CPU利用率”值Parsing 如何使用textfsm解析具有级联元素的CLI输出,parsing,command-line-interface,python-textfsm,Parsing,Command Line Interface,Python Textfsm,我试图使用textfsm和python解析具有级联元素的CLI输出。下面是一个例子:Ref- 使用这个例子。如何获取每个插槽的“CPU利用率”值 Routing Engine status: Slot 0: Current state Master Election priority Master (default) Temperature 39 degrees C / 102
Routing Engine status:
Slot 0:
Current state Master
Election priority Master (default)
Temperature 39 degrees C / 102 degrees F
CPU temperature 55 degrees C / 131 degrees F
DRAM 2048 MB
Memory utilization 76 percent
CPU utilization:
User 95 percent
Background 0 percent
Kernel 4 percent
Interrupt 1 percent
Idle 0 percent
Model RE-4.0
Serial ID xxxxxxxxxxxx
Start time 2008-04-10 20:32:25 PDT
Uptime 180 days, 22 hours, 45 minutes, 20 seconds
Load averages: 1 minute 5 minute 15 minute
0.96 1.03 1.03
Routing Engine status:
Slot 1:
Current state Backup
Election priority Backup
Temperature 30 degrees C / 86 degrees F
CPU temperature 31 degrees C / 87 degrees F
DRAM 2048 MB
Memory utilization 14 percent
CPU utilization:
User 0 percent
Background 0 percent
Kernel 0 percent
Interrupt 1 percent
Idle 99 percent
Model RE-4.0
Serial ID xxxxxxxxxxxx
Start time 2008-01-22 07:32:10 PST
Uptime 260 days, 10 hours, 45 minutes, 39 seconds
模板
Value Required Slot (\d+)
Value State (\w+)
Value Temp (\d+)
Value CPUTemp (\d+)
Value DRAM (\d+)
Value User (\d+)
Value Background (\d+)
Value Kernel (\d+)
Value Interrupt (\d+)
Value Idle (\d+)
Value Model (\S+)
Start
^Routing Engine status: -> Record RESlot
^\s+CPU utilization: -> Record SUBRESlot
RESlot
^\s+Slot\s+${Slot}
^\s+Current state\s+${State}
^\s+Temperature\s+${Temp} degrees
^\s+CPU temperature\s+${CPUTemp} degrees
^\s+DRAM\s+${DRAM} MB
^\s+Model\s+${Model} -> Start
SUBRESlot
^\s+User\s+${User}\s+percent
^\s+backgroud\s+${Background}\s+percent
^\s+Kernel\s+${Kernel}\s+percent
^\s+Interrupt\s+${Interrupt}\s+percent
^\s+Idle\s+${Idle}\s+percent -> Start
输出:
Slot, State, Temp, CPUTemp, DRAM, User, Background, Kernel, Interrupt, Idle, Model
0, Master, 39, 55, 2048, , , , , , RE-4.0
1, Backup, 30, 31, 2048, , , , , , RE-4.0
正如您所看到的,CPU利用率元素没有得到填充
我真的很感激任何指针 我认为你的模板中有两个错误:
Value Required Slot (\d+)
Value State (\w+)
Value Temp (\d+)
Value CPUTemp (\d+)
Value DRAM (\d+)
Value User (\d+)
Value Background (\d+)
Value Kernel (\d+)
Value Interrupt (\d+)
Value Idle (\d+)
Value Model (\S+)
Start
^Routing Engine status: -> RESlot
^\s+CPU utilization: -> SUBRESlot
RESlot
^\s+Slot\s+${Slot}
^\s+Current state\s+${State}
^\s+Temperature\s+${Temp} degrees
^\s+CPU temperature\s+${CPUTemp} degrees
^\s+DRAM\s+${DRAM} MB -> Start
SUBRESlot
^\s+User\s+${User}\s+percent
^\s+Background\s+${Background}\s+percent
^\s+Kernel\s+${Kernel}\s+percent
^\s+Interrupt\s+${Interrupt}\s+percent
^\s+Idle\s+${Idle}\s+percent -> SUBModel
SUBModel
^\s+Model\s+${Model} -> Record Start
结果:
Slot, State, Temp, CPUTemp, DRAM, User, Background, Kernel, Interrupt, Idle, Model
0, Master, 39, 55, 2048, 95, 0, 4, 1, 0, RE-4.0
1, Backup, 30, 31, 2048, 0, 0, 0, 1, 99, RE-4.0
我对textfsm了解不多,但它似乎非常复杂,使用pandas和一些老式的字符串和列表操作可能更容易。在RESlot的第二个块中,我使用了
->Start
,但如果在两种情况下都将其删除并替换为“-->SUBRESlot”,我会得到相同的结果,我不明白为什么?