Use Azure mirrors of Ubuntu .deb repositories in containers.

This reduces the likelihood of spurious CI failures caused by DDoS filters
being triggered by massive numbers of concurrent CI jobs.
This commit is contained in:
Andrey Semashev
2025-06-13 03:48:03 +03:00
parent 0087a426d9
commit 2a0b753691

View File

@ -324,6 +324,22 @@ jobs:
echo "GHA_CONTAINER=${{matrix.container}}" >> $GITHUB_ENV
if [ -f "/etc/debian_version" ]
then
# Use Azure APT mirrors in containers to avoid HTTP errors due to DDoS filters triggered by lots of CI jobs launching concurrently.
# Note that not all Ubuntu versions support "mirror+file:..." URIs in APT sources, so just use Azure mirrors exclusively.
# Note also that on recent Ubuntu versions DEB822 format is used for source files.
APT_SOURCES=()
if [ -d "/etc/apt/sources.list.d" ]
then
readarray -t APT_SOURCES < <(find "/etc/apt/sources.list.d" -type f -name '*.sources' -print)
fi
if [ -f "/etc/apt/sources.list" ]
then
APT_SOURCES+=("/etc/apt/sources.list")
fi
if [ "${#APT_SOURCES[@]}" -gt 0 ]
then
sed -i -E -e 's!([^ ]+) (http|https)://(archive|security)\.ubuntu\.com/ubuntu[^ ]*(.*)!\1 http://azure.archive.ubuntu.com/ubuntu/\4!' "${APT_SOURCES[@]}"
fi
apt-get -o Acquire::Retries=$NET_RETRY_COUNT update
if [ "$(apt-cache search "^python-is-python3$" | wc -l)" -ne 0 ]
then