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Added logic to copy-to-staging to avoid copying if the same file already exists in gce

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This commit is contained in:
Ian Chakeres 2017-06-01 11:06:48 -07:00
parent f5dc2e0926
commit d0566faace
1 changed files with 13 additions and 1 deletions
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14
cluster/gce/util.sh
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@ -154,11 +154,23 @@ function copy-to-staging() {
local -r gs_url=$2
local -r tar=$3
local -r hash=$4
local -r basename_tar=$(basename ${tar})
#check whether this tar alread exists and has the same hash
#if it matches, then don't bother uploading it again
local -r remote_tar_hash=$(gsutil hash -h -m ${staging_path}/${basename_tar} 2>/dev/null | grep "Hash (md5):" | awk -F ':' '{print $2}')
if [[ -n ${remote_tar_hash} ]]; then
local -r local_tar_hash=$(gsutil hash -h -m ${tar} 2>/dev/null | grep "Hash (md5):" | awk -F ':' '{print $2}')
if [[ "${remote_tar_hash}" == "${local_tar_hash}" ]]; then
echo "+++ ${basename_tar} uploaded earlier and hash matches"
return 0
fi
fi
echo "${hash}" > "${tar}.sha1"
gsutil -m -q -h "Cache-Control:private, max-age=0" cp "${tar}" "${tar}.sha1" "${staging_path}"
gsutil -m acl ch -g all:R "${gs_url}" "${gs_url}.sha1" >/dev/null 2>&1
echo "+++ $(basename ${tar}) uploaded (sha1 = ${hash})"
echo "+++ ${basename_tar} uploaded (sha1 = ${hash})"
}
# Given the cluster zone, return the list of regional GCS release