43 lines
1.2 KiB
Bash
43 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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limit_line="LimitNOFILE=1048576"
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sysctl_file="/host/etc/sysctl.d/99-atlas-inotify.conf"
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changed=0
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for unit in k3s k3s-agent; do
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unit_file="/host/etc/systemd/system/${unit}.service"
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if [ -f "${unit_file}" ]; then
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dropin_dir="/host/etc/systemd/system/${unit}.service.d"
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dropin_file="${dropin_dir}/99-nofile.conf"
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if [ ! -f "${dropin_file}" ] || ! grep -q "${limit_line}" "${dropin_file}"; then
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mkdir -p "${dropin_dir}"
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printf "[Service]\n%s\n" "${limit_line}" > "${dropin_file}"
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changed=1
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fi
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fi
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done
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mkdir -p "$(dirname "${sysctl_file}")"
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cat > "${sysctl_file}" <<'EOF'
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fs.inotify.max_user_instances = 8192
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fs.inotify.max_user_watches = 524288
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fs.inotify.max_queued_events = 32768
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EOF
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printf "8192" > /host/proc/sys/fs/inotify/max_user_instances
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printf "524288" > /host/proc/sys/fs/inotify/max_user_watches
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printf "32768" > /host/proc/sys/fs/inotify/max_queued_events
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if [ "${changed}" -eq 1 ]; then
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sleep "$(( (RANDOM % 300) + 10 ))"
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chroot /host /bin/systemctl daemon-reload
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for unit in k3s k3s-agent; do
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if [ -f "/host/etc/systemd/system/${unit}.service" ]; then
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chroot /host /bin/systemctl restart "${unit}"
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fi
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done
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fi
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sleep infinity
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