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Retry curl when it failed during download

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Fixes #34769
This commit is contained in:
Łukasz Oleś 2016-10-13 18:11:36 +02:00
parent 786cc3ef6c
commit 1cda616a9b
2 changed files with 25 additions and 2 deletions
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8
hack/lib/etcd.sh
View File

@ -74,12 +74,16 @@ kube::etcd::install() {
cd "${KUBE_ROOT}/third_party"
if [[ $(uname) == "Darwin" ]]; then
download_file="etcd-v${ETCD_VERSION}-darwin-amd64.zip"
curl -fsSLO --retry 3 --keepalive-time 2 https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/"${download_file}"
url="https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/${download_file}"
kube::util::download_file "${url}" "${download_file}"
unzip -o "${download_file}"
ln -fns "etcd-v${ETCD_VERSION}-darwin-amd64" etcd
rm "${download_file}"
else
curl -fsSL --retry 3 --keepalive-time 2 https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz | tar xzf -
url="https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz"
download_file="etcd-v${ETCD_VERSION}-linux-amd64.tar.gz"
kube::util::download_file "${url}" "${download_file}"
tar xzf "${download_file}"
ln -fns "etcd-v${ETCD_VERSION}-linux-amd64" etcd
fi
kube::log::info "etcd v${ETCD_VERSION} installed. To use:"

19
hack/lib/util.sh
View File

@ -478,4 +478,23 @@ kube::util::has_changes_against_upstream_branch() {
return 1
}
kube::util::download_file() {
local -r url=$1
local -r destination_file=$2
rm ${destination_file} 2&> /dev/null || true
for i in $(seq 5)
do
if ! curl -fsSL --retry 3 --keepalive-time 2 ${url} -o ${destination_file}; then
echo "Downloading ${url} failed. $((5-i)) retries left."
sleep 1
else
echo "Downloading ${url} succeed"
return 0
fi
done
return 1
}
# ex: ts=2 sw=2 et filetype=sh