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- Glossary
Scenario
Batch allows you to acquire a code package from a .tgz file via HTTP. You can compress the code and upload it to COS. This helps you organize the code more conveniently than using LOCAL mode.
Prerequisites
Complete preparations based on the instructions in Preparation, and learn how to configure the general part of the custom information.
Steps
Viewing the Demo
Note：
Modify the general part of the custom information in
2_RemoteCodePkg.py based on the instructions in Preparation.Open the
2_RemoteCodePkg.py file in an editor.# custom (Change to your info)imageId = "img-m4q71qnf"Application = {"DeliveryForm": "PACKAGE","Command": "python ./codepkg/fib.py","PackagePath": "http://batchdemo-xxxxxxxxx.cos.ap-guangzhou.myqcloud.com/codepkg/codepkg.tgz"}StdoutRedirectPath = "your cos path"StderrRedirectPath = "your cos path"
All information except
Application in the general part is described in Preparation. Set the parameters of Application based on the following table.Configuration Item | Description |
DeliveryForm | Three delivery methods of applications are available: software packaging, container image, and direct running within the CVM. In this case, PACKAGE indicates software packaging. |
PackagePath | Address of the .tgz software package in HTTP. Batch downloads the software package to a directory of the scheduled CVM and runs `Command` in the directory. |
Command | Task startup command. In this case, a Python script file in the software package is directly called. You can download the package, and view the file structure and content in it. |
fib.py is composed as below:fib = lambda n:1 if n<=2 else fib(n-1)+fib(n-2)print("Remote Code Package : %d"%(fib(20)))
Submitting a Job
Run the following command to run the Python script.
The demo encapsulates the job submission process by using Python scripts and the Batch command line tool.
python 2_RemoteCodePkg.py
The returned result is as follows, indicating that the job is successfully submitted:
{"RequestId": "c09e9291-2661-xxxx-8783-72d36f91ec8a","JobId": "job-7xxxx26l"}
Viewing State
Viewing the Result
1. See Viewing the Result in Quick Start.
2. The execution result of
2_RemoteCodePkg.py is as follows:Remote Code Package : 6765
Yes
No
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