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[CI] Forward port Amazon Linux 2 dns fix #113902

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Merged
merged 1 commit into from
Oct 3, 2024
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[CI] Forward port Amazon Linux 2 dns fix #113902

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8 changes: 8 additions & 0 deletions .buildkite/hooks/pre-command
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Expand Up @@ -109,3 +109,11 @@ EOF
<summary>Agent information from gobld</summary>
EOF
fi

# Amazon Linux 2 has DNS resolution issues with resource-based hostnames in EC2
# We have many functional tests that try to lookup and resolve the hostname of the local machine in a particular way
# And they fail. This sets up a manual entry for the hostname in dnsmasq.
if [[ -f /etc/os-release ]] && grep -q '"Amazon Linux 2"' /etc/os-release; then
echo "$(hostname -i | cut -d' ' -f 2) $(hostname -f)." | sudo tee /etc/dnsmasq.hosts
sudo systemctl restart dnsmasq.service
fi
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