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1) in dind, prevent SIGINT reaching to dockerd. This kills docker and prevents shutdown as fn server is trying to stop. 2) as init process, always reap child processes.
21 lines
520 B
Bash
Executable File
21 lines
520 B
Bash
Executable File
#!/bin/sh
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set -euo pipefail
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fsdriver=$(grep -Eh -w -m1 "overlay|aufs" /proc/filesystems | cut -f2)
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if [ $fsdriver == "overlay" ]; then
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fsdriver="overlay2"
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fi
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mtu=$(ip link show dev $(ip route |
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awk '$1 == "default" { print $NF }') |
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awk '{for (i = 1; i <= NF; i++) if ($i == "mtu") print $(i+1)}')
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# activate job control, prevent docker process from receiving SIGINT
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set -m
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dockerd-entrypoint.sh --storage-driver=$fsdriver --mtu=$mtu &
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# give docker a few seconds
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sleep 3
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exec "$@"
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