How to execute command in a pod (kubernetes) using API?

[Robinly]

I want to execute command in a container using k8s API, don't use any libraries or tools.

Example:

curl -XPOST "http://172.25.255.22:8080/api/v1/namespaces/default/pods/redis-master-1qpyf/exec?commond=ls&container=master&container=master&stderr=true&stdout=true"

{

  "kind": "Status",

  "apiVersion": "v1",

  "metadata": {},

  "status": "Failure",

  "message": "Upgrade request required",

  "reason": "BadRequest",

  "code": 400

}

there is a error. 

The /api/v1/proxy should I use? what should I do?

[Madhukar Nayakbomman]

Hi Robinly,

How did you work through this issue? Is there any API which we can use for executing a command in a container?

Thanks,

Madhukar

[Rodrigo Campos]

If it wasn't resolved as it's not in the documentation wiki (sorry, away from laptop now) you can probably check how kubectl exec does it. It might not be the simpler code, but it may shed some light

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[Matthias Rampke]

I haven't tried this, but IIRC the required upgrade is to HTTP/2. Try `curl --http2`?

/MR

On Sat, Jul 29, 2017, 05:31 Rodrigo Campos <rodr...@gmail.com> wrote:

If it wasn't resolved as it's not in the documentation wiki (sorry, away from laptop now) you can probably check how kubectl exec does it. It might not be the simpler code, but it may shed some light

On Friday, July 28, 2017, Madhukar Nayakbomman <madhuka...@gmail.com> wrote:

Hi Robinly,

How did you work through this issue? Is there any API which we can use for executing a command in a container?

Thanks,

Madhukar

On Tuesday, February 28, 2017 at 1:30:09 AM UTC-8, Robinly wrote:

I want to execute command in a container using k8s API, don't use any libraries or tools.

Example:

curl -XPOST "http://172.25.255.22:8080/api/v1/namespaces/default/pods/redis-master-1qpyf/exec?commond=ls&container=master&container=master&stderr=true&stdout=true"

{

  "kind": "Status",

  "apiVersion": "v1",

  "metadata": {},

  "status": "Failure",

  "message": "Upgrade request required",

  "reason": "BadRequest",

  "code": 400

}

there is a error. 

The /api/v1/proxy should I use? what should I do?

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[Eric Tune]

Did you know if you run kubectl with -v=10 it prints the equivalent curl command for the command you just ran?

Try "kubectl exec -v=10 $PODNAME -- ls"

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[Mehdy Bohlool]

This is a little old, but you can also take a look at our client python, specifically this example: https://github.com/kubernetes-incubator/client-python/blob/master/examples/exec.py

On Tuesday, February 28, 2017 at 1:30:09 AM UTC-8, Robinly wrote:

[yl...@linkernetworks.co]

I think the API requires the client to upgrade the connection to WebSocket

[ling li]

hi, any solution for this issue?

I test with postman.

And I got the same error even I have tried with serval para and headers

在 2017年7月31日星期一 UTC+8下午11:16:09，Eric Tune写道：