Additional info:
The test -r command started to work again after downgrading to alpine:3.13
docker image with busybox 1.32:
bash-5.1$ head -1 /task/output/files/cnb_rate_eur_czk.csv ; [ -r
/task/output/files/cnb_rate_eur_czk.csv ] && echo READABLE1 ; [[ -r
/task/output/files/cnb_rate_eur_czk.csv ]] && echo READABLE2
date,rate
READABLE1
READABLE2
Container build log:
Step 1/6 : FROM alpine:3.13
3.13: Pulling from library/alpine
72cfd02ff4d0: Pulling fs layer
72cfd02ff4d0: Verifying Checksum
72cfd02ff4d0: Download complete
72cfd02ff4d0: Pull complete
Digest: sha256:469b6e04ee185740477efa44ed5bdd64a07bbdd6c7e5f5d169e540889597b911
Status: Downloaded newer image for alpine:3.13
---> 6b5c5e00213a
Step 2/6 : LABEL maintainer="d...@project.com"
---> Running in 33d4d3325a4c
Removing intermediate container 33d4d3325a4c
---> cc52a45921d5
Step 3/6 : RUN apk add --no-cache curl bash tar tzdata &&
addgroup --gid 2000 project && adduser --uid 2001 --home / --no-create-home
--ingroup project --gecos "project Setup-Teardown" --disabled-password
setup && adduser --uid 2002 --home /home/task --ingroup project --gecos
"project Task" --disabled-password task
---> Running in 0aa074d40de9
fetch https://dl-cdn.alpinelinux.org/alpine/v3.13/main/x86_64/APKINDEX.tar.gz
fetch
https://dl-cdn.alpinelinux.org/alpine/v3.13/community/x86_64/APKINDEX.tar.gz
(1/12) Installing ncurses-terminfo-base (6.2_p20210109-r1)
(2/12) Installing ncurses-libs (6.2_p20210109-r1)
(3/12) Installing readline (8.1.0-r0)
(4/12) Installing bash (5.1.16-r0)
Executing bash-5.1.16-r0.post-install
(5/12) Installing ca-certificates (20220614-r0)
(6/12) Installing brotli-libs (1.0.9-r3)
(7/12) Installing nghttp2-libs (1.42.0-r1)
(8/12) Installing libcurl (7.79.1-r3)
(9/12) Installing curl (7.79.1-r3)
(10/12) Installing libacl (2.2.53-r0)
(11/12) Installing tar (1.34-r0)
(12/12) Installing tzdata (2022f-r1)
Executing busybox-1.32.1-r9.trigger
Thank you,
Vlada
On 11. 02. 23 20:14, Vladimír Macek (Scripteo) wrote:
Hi,
I'd like to report what seems to be a bug in the busybox's test command. I
use the official alpine:3 docker container.
The test -r does not return true even when the file is indeed readable
(testing by head command). Yes, the file has an unusual set of permissions,
but that does not restrict it from reading. Here's the output of the
interactive container shell session:
dd72078df6d2:/task/output/files$ ls -lad . .. cnb_rate_eur_czk.csv
drwxrwx--- 2 setup project 4096 Feb 11 18:33 .
drwxr-x--- 5 setup project 4096 Feb 11 18:33 ..
-rw-r--r-- 1 task project 20512 Feb 11 18:33 cnb_rate_eur_czk.csv
dd72078df6d2:/task/output/files$ id
uid=2001(setup) gid=2000(project) groups=2000(project)
dd72078df6d2:/task/output/files$ head -1 cnb_rate_eur_czk.csv
date,rate
dd72078df6d2:/task/output/files$ [ -r cnb_rate_eur_czk.csv ] && echo READABLE
dd72078df6d2:/task/output/files$ [[ -r cnb_rate_eur_czk.csv ]] && echo READABLE
dd72078df6d2:/task/output/files$ which [
/usr/bin/[
dd72078df6d2:/task/output/files$ which [[
/usr/bin/[[
dd72078df6d2:/task/output/files$ ls -la /usr/bin/[*
lrwxrwxrwx 1 root root 12 Jan 9 12:46 /usr/bin/[ ->
/bin/busybox
lrwxrwxrwx 1 root root 12 Jan 9 12:46 /usr/bin/[[ ->
/bin/busybox
dd72078df6d2:/task/output/files$ /bin/busybox
BusyBox v1.35.0 (2022-11-19 10:13:10 UTC) multi-call binary.
BusyBox is copyrighted by many authors between 1998-2015.
Licensed under GPLv2. See source distribution for detailed
copyright notices.
...
Here's how the container was built:
Sending build context to Docker daemon 25.6kB
Step 1/6 : FROM alpine:3
3: Pulling from library/alpine
8921db27df28: Pulling fs layer
8921db27df28: Download complete
8921db27df28: Pull complete
Digest: sha256:f271e74b17ced29b915d351685fd4644785c6d1559dd1f2d4189a5e851ef753a
Status: Downloaded newer image for alpine:3
---> 042a816809aa
Step 2/6 : LABEL maintainer="d...@project.com"
---> Running in cbe6d0033ff3
Removing intermediate container cbe6d0033ff3
---> cfdded5747d9
Step 3/6 : RUN apk add --no-cache curl bash tar tzdata &&
addgroup --gid 2000 project && adduser --uid 2001 --home / --no-create-home
--ingroup project --gecos "project Setup-Teardown" --disabled-password
setup && adduser --uid 2002 --home /home/task --ingroup project --gecos
"project Task" --disabled-password task
---> Running in 4b16dff318b9
fetch https://dl-cdn.alpinelinux.org/alpine/v3.17/main/x86_64/APKINDEX.tar.gz
fetch
https://dl-cdn.alpinelinux.org/alpine/v3.17/community/x86_64/APKINDEX.tar.gz
(1/12) Installing ncurses-terminfo-base (6.3_p20221119-r0)
(2/12) Installing ncurses-libs (6.3_p20221119-r0)
(3/12) Installing readline (8.2.0-r0)
(4/12) Installing bash (5.2.15-r0)
Executing bash-5.2.15-r0.post-install
(5/12) Installing ca-certificates (20220614-r4)
(6/12) Installing brotli-libs (1.0.9-r9)
(7/12) Installing nghttp2-libs (1.51.0-r0)
(8/12) Installing libcurl (7.87.0-r1)
(9/12) Installing curl (7.87.0-r1)
(10/12) Installing libacl (2.3.1-r1)
(11/12) Installing tar (1.34-r1)
(12/12) Installing tzdata (2022f-r1)
Executing busybox-1.35.0-r29.trigger
...
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