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https://gitlab.alpinelinux.org/alpine/cloud/tiny-cloud.git
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41 lines
948 B
Bash
41 lines
948 B
Bash
# Tiny Cloud - mdev hotplug functions
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# vim:set filetype=sh:
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# shellcheck shell=sh
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# generic helper function to install mdev rules
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install_before() {
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local before="$1"
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shift
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local line="$*"
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# already installed
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fgrep -q "$line" /etc/mdev.conf && return 0
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if grep -q "$before" /etc/mdev.conf; then
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# install before existing rule
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line="-$line"
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else
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# no rule exists, put it before the catch-all fallback
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before="^# fallback"
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line="$line\n"
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fi
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sed -i -Ee "s|($before.*)|$line\n\1|" /etc/mdev.conf
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}
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# hotpluggable VNICs (multi-cloud)
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mod__vnic_eth_hotplug() {
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[ -f /lib/mdev/vnic-eth-hotplug ] || return 1
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install_before "^eth" \
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"eth[0-9] root:root 0644 */lib/mdev/vnic-eth-hotplug"
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# NICs attached at launch don't get added with mdev -s
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assemble-interfaces
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}
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# load cloud-specific functions
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: "${LIBDIR:=$PREFIX/lib}"
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if [ -f "$LIBDIR/tiny-cloud/cloud/$CLOUD/mdev" ]; then
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. "$LIBDIR/tiny-cloud/cloud/$CLOUD/mdev"
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fi
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