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The makefiles scripts create a variable with all the go files that are part of the Kubernetes source tree, including staging. As today, this variable has a size of < 100kb wc .make/all_go_dirs.mk 2326 2326 98905 .make/all_go_dirs.mk This variable is passed as argument in the Makefiles, where it is expanded. In Linux, there is a limit to the max size of the arguments MAX_ARG_STRLEN. If the arguments go above 128k, you get a nice: execvp: /usr/bin/env: Argument list too long If you, for whatever reason, do some go mod vendor inside the hack/tools folder, these files will be added to the variable and most probably you'll go above the limit and get that error. Then, you'll learn a lot about Makefils, shell expansion, strace, execpve, ARG_MAX and MAX_ARG_STRLEN,until you realize what is the real problem :).
Kubernetes hack GuideLines
This document describes how you can use the scripts from hack directory
and gives a brief introduction and explanation of these scripts.
Overview
The hack directory contains many scripts that ensure continuous development of kubernetes,
enhance the robustness of the code, improve development efficiency, etc.
The explanations and descriptions of these scripts are helpful for contributors.
For details, refer to the following guidelines.
Key scripts
verify-all.sh: This script is a vestigial redirection, Please do not add "real" logic. It is equivalent tomake verify.update-all.sh: This script is a vestigial redirection, Please do not add "real" logic. Thetruetarget of this makerule ishack/make-rules/update.sh.It is equivalent tomake update.
Attention
Note that all scripts must be run from the Kubernetes root directory.
We should run hack/verify-all.sh before submitting a PR and if anything fails run hack/update-all.sh.