image-builder: CACHEBUST arg to force-rebuild umoci layer

One org runner has a broken cached layer for the umoci install (runc:
"/bin/sh: no such file"). Pass a unique build-arg each invocation so
that layer + downstream get rebuilt fresh, while the heavy apt install
above stays cached.
This commit is contained in:
mia26MAjFm
2026-06-23 18:03:17 -04:00
parent 0367dcb89c
commit 7e42201d88
2 changed files with 9 additions and 2 deletions

View File

@@ -35,7 +35,13 @@ RUN mkdir -p /root/go/src/github.com/lxc/ && \
RUN apt-get update && apt-get install -y --no-install-recommends \
skopeo \
&& rm -rf /var/lib/apt/lists/*
RUN go install github.com/opencontainers/umoci/cmd/umoci@v0.5.0 && \
# CACHEBUST: one of the org runners has a broken cached layer for the umoci
# install that fails with `/bin/sh: no such file`. Pass a fresh value via
# `docker build --build-arg CACHEBUST=$(date +%s)` to force rebuild of this
# step (the apt installs above stay cached).
ARG CACHEBUST=0
RUN echo "cachebust=$CACHEBUST" && \
go install github.com/opencontainers/umoci/cmd/umoci@v0.5.0 && \
cp /root/go/bin/umoci /usr/local/bin/umoci && \
rm -rf /root/go/pkg