Package: buildah Version: 1.19.3+dfsg1-2 Severity: important Forwarded: https://github.com/containers/buildah/pull/2993 Tags: patch
Dear Maintainer,
This is a variation of #981849.
If you have the following Containerfile:
───────┬──────────────────────
│ File: Containerfile
───────┼──────────────────────
1 │ FROM debian
2 │ ARG N
3 │ RUN seq 1 ${N}
───────┴──────────────────────
Building it a second time will run everything again:
----------------8<----------------8<----------------8<-----------------
$ buildah bud --layers=true --build-arg=N=7
STEP 1: FROM debian
STEP 2: ARG N
--> Using cache c352def690165a2c9a87a59bee469509afcdedf4869d66ac1f100d04667f42ad
--> c352def6901
STEP 3: RUN seq 1 ${N}
1
2
3
4
5
6
7
--> Using cache eec66aa2b27ca0195ff64ab5d7d49081e20a1b62e04311bd64dcf875e1e39505
--> eec66aa2b27
eec66aa2b27ca0195ff64ab5d7d49081e20a1b62e04311bd64dcf875e1e39505
$ buildah bud --layers=true --build-arg=N=7
STEP 1: FROM debian
STEP 2: ARG N
--> Using cache c352def690165a2c9a87a59bee469509afcdedf4869d66ac1f100d04667f42ad
--> c352def6901
STEP 3: RUN seq 1 ${N}
1
2
3
4
5
6
7
--> Using cache eec66aa2b27ca0195ff64ab5d7d49081e20a1b62e04311bd64dcf875e1e39505
--> eec66aa2b27
eec66aa2b27ca0195ff64ab5d7d49081e20a1b62e04311bd64dcf875e1e39505
----------------8<----------------8<----------------8<-----------------
I have submitted a patch upstream (url in the pseudoheaders above) to
fix this, and it seems it will be included in 1.19.5. IMO a fix for this
should be included in bullseye because layer caching is a critical piece
of image building in the container space.
-- System Information:
Debian Release: bullseye/sid
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500,
'unstable'), (500, 'testing'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 5.10.0-3-amd64 (SMP w/4 CPU threads)
Locale: LANG=pt_BR.UTF-8, LC_CTYPE=pt_BR.UTF-8 (charmap=UTF-8),
LANGUAGE=pt_BR:pt:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages buildah depends on:
ii golang-github-containers-common 0.33.1+ds1-3
ii libc6 2.31-9
ii libdevmapper1.02.1 2:1.02.175-2
ii libglib2.0-0 2.66.6-2
ii libgpgme11 1.14.0-1+b2
ii libostree-1-1 2020.8-2
ii libseccomp2 2.5.1-1
ii libselinux1 3.1-3
ii uidmap 1:4.8.1-1
Versions of packages buildah recommends:
ii crun 0.17+dfsg-1
ii fuse-overlayfs 1.4.0-1
ii runc 1.0.0~rc93+ds1-2
Versions of packages buildah suggests:
pn containers-storage <none>
-- no debconf information
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