ls and find don't work in debug image

[pikrzysztof]

This happens when I run it on my machine:

-> % docker run -it fluent/fluent-bit:1.0.6-debug sh
/ # ls
bin         boot        dev         etc         fluent-bit  home        lib         lib64       proc        root        run         sbin        sys         tmp         usr         var

However when I try to exec into my k8s pod the behaviour is different:

-> % k2 -n kube-system exec -it fluent-bit-htb9f sh
/ # ls
ls: can't open '.': Value too large for defined data type
/ # find .
.
find: .: Value too large for defined data type
/ # echo *
*

Busybox claims

The "busybox-i686" version should run on both 32-bit and 64-bit x86 PCs

but apparently it's wrong.

See also GoogleContainerTools/distroless#225

[briantopping]

This seems to be an issue with the kubernetes execution environment somehow being different than what docker would run on it's own:

[root@gw01 ~]# docker container ls | grep fluent
0945809b3e69        docker.io/fluent/fluent-bit@sha256:2730443369c08c71fb475f013849a0dbe99e817531612ff3777f3d6bf260a5cf                     "/fluent-bit/bin/f..."   11 minutes ago      Up 11 minutes                           k8s_fluent-bit_fluent-bit-cm4ph_logging_af2d061b-bbf3-11e9-9ba7-0cc47a9a538e_0
a70b8d48f9a7        k8s.gcr.io/pause:3.1                                                                                                    "/pause"                 12 minutes ago      Up 12 minutes                           k8s_POD_fluent-bit-cm4ph_logging_af2d061b-bbf3-11e9-9ba7-0cc47a9a538e_0
[root@gw01 ~]# docker exec -it 0945809b3e69 sh
/ # ls
ls: can't open '.': Value too large for defined data type

Really annoying...

[pikrzysztof]

Upstream bug:

https://bugs.busybox.net/show_bug.cgi?id=11651

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