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chore: parallel k8sio go.mod replace update script #801

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merged 2 commits into from
Oct 25, 2024
Merged

chore: parallel k8sio go.mod replace update script #801

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9cbc05e
chore: parallel k8sio go.mod replace update script
czeslavo Oct 25, 2024
5d1c151
run only go mod download in parallel
czeslavo Oct 25, 2024
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31 changes: 27 additions & 4 deletions hack/update-k8sio-gomod-replace.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -10,12 +10,35 @@ MODS=($(
curl -sS https://raw.githubusercontent.com/kubernetes/kubernetes/v${VERSION}/go.mod |
sed -n 's|.*k8s.io/\(.*\) => ./staging/src/k8s.io/.*|k8s.io/\1|p'
))
for MOD in "${MODS[@]}"; do
V=$(

# Set concurrency level to the number of available CPU cores
CONCURRENCY=$(nproc)
export VERSION

# Create an empty array to store replace directives
declare -a REPLACE_COMMANDS

# Function to generate replace directive for a module
generate_replace_command() {
local MOD=$1
local V=$(
go mod download -json "${MOD}@kubernetes-${VERSION}" |
sed -n 's|.*"Version": "\(.*\)".*|\1|p'
)
echo "Updating go.mod replace directive for ${MOD}"
go mod edit "-replace=${MOD}=${MOD}@${V}"
echo "-replace=${MOD}=${MOD}@${V}"
}

# Export function for access in subshells run by xargs
export -f generate_replace_command

# Run in parallel to collect replace directives
echo "Collecting replace directives for ${#MODS[@]} modules concurrently (N=${CONCURRENCY})"
REPLACE_COMMANDS=($(printf "%s\n" "${MODS[@]}" | xargs -P "$CONCURRENCY" -n 1 -I {} bash -c 'generate_replace_command "$@"' _ {}))

# Apply each replace directive serially
for CMD in "${REPLACE_COMMANDS[@]}"; do
echo "Applying go.mod $CMD"
go mod edit "$CMD"
done

go get "k8s.io/kubernetes@v${VERSION}"
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