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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2021/07/28 03:12:54 UTC
[GitHub] [skywalking] ZhouWlnd opened a new issue #7381: How does python agent use skywalking in a non-intrusive way?
ZhouWlnd opened a new issue #7381:
URL: https://github.com/apache/skywalking/issues/7381
Please answer these questions before submitting your issue.
- Why do you submit this issue?
- [x] Question or discussion
- [ ] Bug
- [ ] Requirement
- [ ] Feature or performance improvement
___
### Question
- What do you want to know?
Now java can use non-invasive way to use skywalking, such as :
`java -jar $JAVA_AGENT -jar lab-39-demo-2.2.2.RELEASE.jar`
But python needs to add code to the original project， such as：
```
from skywalking import agent, config
config.init(collector_address='127.0.0.1:11800', service_name='your awesome service')
agent.start()
```
How does python use skywalking in a non-intrusive way like java？
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[GitHub] [skywalking] kezhenxu94 closed issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
kezhenxu94 closed issue #7381:
URL: https://github.com/apache/skywalking/issues/7381
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[GitHub] [skywalking] wu-sheng commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-888001526
Is this possible in theory?
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[GitHub] [skywalking] kezhenxu94 commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
kezhenxu94 commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-901583999
@Superskyyy site module is another option, if it works, I'm totally OK to use it.
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[GitHub] [skywalking] Superskyyy commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-898299630
> > @kezhenxu94 Shall we introduce some new user friendly config file for the command-line option to use?
> > It could be used like the following
> > `sw-python --config=sw_agent.yaml run your application`
>
> We could do that but it's optional because all the configurations can be set via env vars, it's the wrapper script's responsibility to pass the env vars down to the agent.
Got it, will make it optional.
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[GitHub] [skywalking] Superskyyy edited a comment on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy edited a comment on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-901564816
@kezhenxu94 After some investigation, I believe a [site module](https://docs.python.org/3/library/site.html) is the right way to go. Using pure `exec*` overrides the whole process using a new interpreter instance, therefore won't work.
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[GitHub] [skywalking] Superskyyy commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-895270600
Ha I see how it works. I'll first finish the log reporter related work then start implementing this one.
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[GitHub] [skywalking] Superskyyy edited a comment on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy edited a comment on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-901564816
@kezhenxu94 After some investigation, I believe a [site module](https://docs.python.org/3/library/site.html) is the right way to go. Using pure `exec*` overrides the whole process thus using a new interpreter instance, thus won't work.
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[GitHub] [skywalking] kezhenxu94 commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
kezhenxu94 commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-898292692
> @kezhenxu94 Shall we introduce some new user friendly config file for the command-line option to use?
>
>
>
> It could be used like the following
>
> `sw-python --config=sw_agent.yaml run your application`
>
>
We could do that but it's optional because all the configurations can be set via env vars, it's the wrapper script's responsibility to pass the env vars down to the agent.
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[GitHub] [skywalking] Superskyyy commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-898282426
Shall we introduce some new user friendly config file for the command-line option to use?
It could be used like the following
`sw-python --config=sw_agent.yaml run your application`
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[GitHub] [skywalking] Superskyyy edited a comment on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy edited a comment on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-898282426
@kezhenxu94 Shall we introduce some new user friendly config file for the command-line option to use?
It could be used like the following
`sw-python --config=sw_agent.yaml run your application`
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[GitHub] [skywalking] kezhenxu94 commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
kezhenxu94 commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-888048517
> Is this possible in theory?
It's possible
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[GitHub] [skywalking] Superskyyy commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-895199012
I'm quite interested in this one, could you elaborate a bit more on how this can be achieved? @kezhenxu94
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[GitHub] [skywalking] Superskyyy commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
Superskyyy commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-901564816
After some investigation, I believe a `sitecustomize` script is the right way to go. Using pure `exec*` overrides the whole process thus using a new interpreter instance, thus won't work.
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[GitHub] [skywalking] kezhenxu94 commented on issue #7381: [Python] provide a wrapper script to initiate the Python agent without code changes in user app
Posted by GitBox <gi...@apache.org>.
kezhenxu94 commented on issue #7381:
URL: https://github.com/apache/skywalking/issues/7381#issuecomment-895229962
> I'm quite interested in this one, could you elaborate a bit more on how this can be achieved? @kezhenxu94
@Superskyyy thanks for your interest, the basic idea is to write a command line tool (in Python language, for example, named `sw-python`) and start the SkyWalking Python agent first, then start the user-app command, e.g. `sw-python app.py`, or `sw-python gunicorn myproject.wsgi`, or `sw-python django ......`, etc.
I haven't had a chance to look into the details but the following might be a start point:
```python
import os
import sys
from skywalking import config, agent
if __name__ == '__main__':
args = sys.argv[1:]
bin_directory = os.path.dirname(sys.argv[0])
python_exe = os.path.basename(sys.executable)
python_exe_path = os.path.join(bin_directory, python_exe)
if (not os.path.exists(python_exe_path) or
not os.access(python_exe_path, os.X_OK)):
python_exe_path = sys.executable
config.service_name = 'provider'
config.logging_level = 'DEBUG'
agent.start()
os.execl(python_exe_path, python_exe_path, *args)
```
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