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Disabling network logs on Kubernetes when starting kubectl exec

Runnning kubectl exec -it <PODNAME> -- /bin/bashprints a lot of garbage shell:

) Data frame handling
                     I0331 17:46:15.486652    3807 logs.go:41] (0xc4201158c0) Data frame received for 5
                                                                                                       I0331 17:46:15.486671    3807 logs.go:41] (0xc42094a000) (5) Data frame handling
                                                                                                                                                                                       I0331 17:46:15.486682    3807 logs.go:41] (0xc42094a000) (5) Data frame sent
                                                                                                                                                                                                                                                                   root@hello-node-2399519400-6q6s3:/# I0331 17:46:16.667823    3807 logs.go:41] (0xc420687680) (3) Writing data frame
                                                  I0331 17:46:16.669223    3807 logs.go:41] (0xc4201158c0) Data frame received for 5
                                                                                                                                    I0331 17:46:16.669244    3807 logs.go:41] (0xc42094a000) (5) Data frame handling
                                                                                                                                                                                                                    I0331 17:46:16.669254    3807 logs.go:41] (0xc42094a000) (5) Data frame sent

root@hello-node-2399519400-6q6s3:/# I0331 17:46:17.331753    3807 logs.go:41] (0xc420687680) (3) Writing data frame
                                                                                                                   I0331 17:46:17.333338    3807 logs.go:41] (0xc4201158c0) Data frame received for 5
                                                                                                                                                                                                     I0331 17:46:17.333358    3807 logs.go:41] (0xc42094a000) (5) Data frame handling
                                                                                                                                                                                                                                                                                     I0331 17:46:17.333369    3807 logs.go:41] (0xc42094a000) (5) Data frame sent

I0331 17:46:17.333922    3807 logs.go:41] (0xc4201158c0) Data frame received for 5
                                                                                  I0331 17:46:17.333943    3807 logs.go:41] (0xc42094a000) (5) Data frame handling
                                                                                                                                                                  I0331 17:46:17.333956    3807 logs.go:41] (0xc42094a000) (5) Data frame sent
                                                                                                                                                                                                                                              root@hello-node-2399519400-6q6s3:/# I0331 17:46:17.738444    3807 logs.go:41] (0xc420687680) (3) Writing data frame
                             I0331 17:46:17.740563    3807 logs.go:41] (0xc4201158c0) Data frame received for 5
                                                                                                               I0331 17:46:17.740591    3807 logs.go:41] (0xc42094a000) (5) Data frame handling
                                                                                                                                                                                               I0331 17:46:17.740606    3807 logs.go:41] (0xc42094a000) (5) Data frame sent

This is slightly better without the "t" option:

kubectl exec -i hello-4103519535-hcdm6 -- /bin/bash
I0331 18:29:06.918584    4992 logs.go:41] (0xc4200878c0) (0xc4204c5900) Create stream
I0331 18:29:06.918714    4992 logs.go:41] (0xc4200878c0) (0xc4204c5900) Stream added, broadcasting: 1
I0331 18:29:06.928571    4992 logs.go:41] (0xc4200878c0) Reply frame received for 1
I0331 18:29:06.928605    4992 logs.go:41] (0xc4200878c0) (0xc4203ffc20) Create stream
I0331 18:29:06.928614    4992 logs.go:41] (0xc4200878c0) (0xc4203ffc20) Stream added, broadcasting: 3
I0331 18:29:06.930565    4992 logs.go:41] (0xc4200878c0) Reply frame received for 3
I0331 18:29:06.930603    4992 logs.go:41] (0xc4200878c0) (0xc4204c59a0) Create stream
I0331 18:29:06.930615    4992 logs.go:41] (0xc4200878c0) (0xc4204c59a0) Stream added, broadcasting: 5
I0331 18:29:06.932455    4992 logs.go:41] (0xc4200878c0) Reply frame received for 5
I0331 18:29:06.932499    4992 logs.go:41] (0xc4200878c0) (0xc420646000) Create stream
I0331 18:29:06.932511    4992 logs.go:41] (0xc4200878c0) (0xc420646000) Stream added, broadcasting: 7
I0331 18:29:06.935363    4992 logs.go:41] (0xc4200878c0) Reply frame received for 7
echo toto
I0331 18:29:08.943066    4992 logs.go:41] (0xc4203ffc20) (3) Writing data frame
I0331 18:29:08.947811    4992 logs.go:41] (0xc4200878c0) Data frame received for 5
I0331 18:29:08.947837    4992 logs.go:41] (0xc4204c59a0) (5) Data frame handling
I0331 18:29:08.947851    4992 logs.go:41] (0xc4204c59a0) (5) Data frame sent
toto

Is there any way to disable this? Is it from my environment? I'm still not sure if this comes from Coubernes or my environment.

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2 answers

Just found: unset DEBUGfixed!

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if you are in cmd run:

set DEBUG=

if you are in PowerShell:

$env:DEBUG=""

if you are a shell similar to bash:

export DEBUG= or unset DEBUG

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Source: https://habr.com/ru/post/1673727/

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