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runner: Fix rootless dind to respect specified MTU (#1976) 

While testing #1759, I found an issue in the rootless dind entrypoint that it was not respecting the configured MTU for dind docker due to a permission issue. This fixes that.
This commit is contained in:
Yusuke Kuoka 2022-11-04 06:29:03 +09:00 committed by GitHub
parent 3de8085b87
commit 8505c95719
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runner/entrypoint-dind-rootless.sh
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@ -14,7 +14,7 @@ fi
if [ -n "${MTU}" ]; then
jq ".\"mtu\" = ${MTU}" /home/runner/.config/docker/daemon.json > /tmp/.daemon.json && mv /tmp/.daemon.json /home/runner/.config/docker/daemon.json
# See https://docs.docker.com/engine/security/rootless/ and https://github.com/docker/engine/blob/8955d8da8951695a98eb7e15bead19d402c6eb27/contrib/dockerd-rootless.sh#L13
echo "DOCKERD_ROOTLESS_ROOTLESSKIT_MTU=${MTU}" >> /etc/environment
echo "DOCKERD_ROOTLESS_ROOTLESSKIT_MTU=${MTU}" | sudo tee -a /etc/environment
fi
if [ -n "${DOCKER_REGISTRY_MIRROR}" ]; then