In the article, only show as follow (because easy to show how to work):

Protocol: UDP; Port: 5234

Encoding: KV-GPB

For more detailed information, you can reference my colleague’s GitHub, which includes more examples, e.g GRPC.

AlexFengCisco / Telemetry_Receiver

GRPC Update Info:

If use GRPC not TCP/UDP, that will have standard function, you will not need to write “DECODE_FN_MAP…”, function will auto generate, direct to use. Simple list steps:

1. Get GRPC protobuf (e.g “mdt_grpc_dialout”) from cisco / bigmuddy-network-telemetry-proto
2. Install/use compile tools, suggest install python virtual env, you can reference 在MacOS中部署Python虚拟开发环境

(telemetry-protocol) [root@telemetry telemetry-protocol]# python -V
Python 3.6.8
(telemetry-protocol) [root@telemetry telemetry-protocol]# easy_install pip
(telemetry-protocol) [root@telemetry telemetry-protocol]# pip install grpcio
(telemetry-protocol) [root@telemetry telemetry-protocol]# pip install protobuf
(telemetry-protocol) [root@telemetry telemetry-protocol]# pip install grpcio_tools
(telemetry-protocol) [root@telemetry telemetry-protocol]# python -m grpc_tools.protoc -I. --python_out=. --grpc_python_out=. cisco_grpc_dialout.proto
(telemetry-protocol) [root@telemetry telemetry-protocol]# ls -l|grep cisco
-rw-r--r--.  1 root    root       2695 Aug 10 16:16 cisco_grpc_dialout_pb2_grpc.py   #generated
-rw-r--r--.  1 root    root       3805 Aug 10 16:16 cisco_grpc_dialout_pb2.py   #generated
-rw-r--r--.  1 root    root        485 Aug 10 16:15 cisco_grpc_dialout.proto   #proto file  

Follow all file if you need grpc protocol:

[root@telemetry grpc-dailout]# ls -l
total 36
-rw-r--r--. 1 root root  2695 Aug 10 16:16 cisco_grpc_dialout_pb2_grpc.py #Contains the server Stub class and the client Stub class, as well as the service RPC interface to be implemented.
-rw-r--r--. 1 root root  3805 Aug 10 16:16 cisco_grpc_dialout_pb2.py #message serialization classes
-rw-r--r--. 1 root root   484 Aug 10 15:36 mdt_grpc_dialout.proto 
-rw-r--r--. 1 root root  3722 Aug 10 16:11 service_grpc_dialout_no_tls.py #service python
-rw-r--r--. 1 root root 19220 Aug 10 15:58 telemetry_pb2.py  #decode gpb-kv messages, generate as below

grpc-dailout.zip

Install Protobuf of python version

完整阅读

I put a telemetry demo to youtube at last year, but no more time summary… now I summaried in the article, will help you to easy build up the solution. Due to original testbed had changed, so follow some info maybe change, but all procedure should same. And XR configuration file is original. Demo video at this link:

Install Grafana and Influxdb by Docker

docker run -d -v grafana-storage:/var/lib/grafana -p 3000:3000 grafana/grafana:5.4.3
docker run -d --volume=/opt/influxdb:/data -p 8080:8083 -p 8086:8086 tutum/influxdb

Install Pipeline

git clone https://github.com/cisco/bigmuddy-network-telemetry-pipeline.git

Config Pipeline

完整阅读

When we want to collect some show information by Telemetry, we will face the 1st question that how to find the correct/resolved sensor path. The first step often traps us. Is there any good way to easily find the sensor path? The answer is “Yes”. I had summarized a way that can help you quickly find the sensor path.

Before read the article，there is a file that mapping between YANG and Sensor Path in XR, you can check by keyword(e.g fan, cpu and so on) first, if not found, then check my article.

RP/0/RP0/CPU0:XTC#run
Tue Jan 22 06:58:56.512 UTC
[xr-vm_node0_RP0_CPU0:~]$cd /pkg/telemetry/mdt/protogen
[xr-vm_node0_RP0_CPU0:/pkg/telemetry/mdt/protogen]$ls
yang_to_schema.txt
[xr-vm_node0_RP0_CPU0:/pkg/telemetry/mdt/protogen]$

yang_to_Schema.txt has all yang path to xml schema path maps. https://github.com/AlexFengCisco/Telemetry_Receiver