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Retry wget tasks in Dockerfile (#63615)

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Following #52519, our Docker build pulls down curl sources in an
Alpine Linux container using wget. However that version of wget
doesn't support any retry flags. Since network issues can cause build
failures, wrap the wget calls in the same retry construct used for
yum commands elsewhere.

Closes #63600.
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Rory Hunter 2020-10-14 14:00:49 +01:00 • committed by GitHub
parent 281c702988
commit c5cebb07e9
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1 changed files with 15 additions and 5 deletions
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20
distribution/docker/src/docker/Dockerfile
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@ -61,10 +61,19 @@ RUN apk add gnupg gcc make musl-dev openssl-dev openssl-libs-static file
RUN mkdir /work
WORKDIR /work
# Fetch curl sources and files for validation
RUN wget "https://daniel.haxx.se/mykey.asc" -O "curl-gpg.pub" && \\
wget "\${TARBALL_URL}.asc" -O "\${TARBALL_PATH}.asc" && \\
wget "\${TARBALL_URL}" -O "\${TARBALL_PATH}"
# Fetch curl sources and files for validation. Note that alpine's `wget` doesn't have retry options.
RUN function retry_wget() { \\
local URL="\$1" ; \\
local DEST="\$2" ; \\
for iter in {1..10}; do \\
wget "\$URL" -O "\$DEST" && \\
exit_code=0 && break || exit_code=\$? && echo "wget error fetching \$URL: retry \$iter in 10s" && sleep 10; \\
done; \\
return \$exit_code ; \\
} ; \\
retry_wget "https://daniel.haxx.se/mykey.asc" "curl-gpg.pub" && \\
retry_wget "\${TARBALL_URL}.asc" "\${TARBALL_PATH}.asc" && \\
retry_wget "\${TARBALL_URL}" "\${TARBALL_PATH}"
# Validate source
RUN gpg --import --always-trust "curl-gpg.pub" && \\
@ -216,7 +225,8 @@ RUN for iter in {1..10}; do \\
${package_manager} update --setopt=tsflags=nodocs -y && \\
${package_manager} install --setopt=tsflags=nodocs -y \\
nc shadow-utils zip unzip findutils procps-ng && \\
${package_manager} clean all && exit_code=0 && break || exit_code=\$? && echo "${package_manager} error: retry \$iter in 10s" && \\
${package_manager} clean all && \\
exit_code=0 && break || exit_code=\$? && echo "${package_manager} error: retry \$iter in 10s" && \\
sleep 10; \\
done; \\
(exit \$exit_code)