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53 lines
1.1 KiB
53 lines
1.1 KiB
#!/bin/sh |
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# livenetroot - fetch a live image from the network and run it |
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type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh |
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. /lib/url-lib.sh |
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PATH=/usr/sbin:/usr/bin:/sbin:/bin |
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RETRIES=${RETRIES:-100} |
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SLEEP=${SLEEP:-5} |
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[ -e /tmp/livenet.downloaded ] && exit 0 |
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# args get passed from 40network/netroot |
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netroot="$2" |
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liveurl="${netroot#livenet:}" |
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info "fetching $liveurl" |
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imgfile= |
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#retry until the imgfile is populated with data or the max retries |
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i=1 |
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while [ "$i" -le "$RETRIES" ]; do |
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imgfile=$(fetch_url "$liveurl") |
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# shellcheck disable=SC2181 |
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if [ $? != 0 ]; then |
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warn "failed to download live image: error $?" |
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imgfile= |
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fi |
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if [ -n "$imgfile" -a -s "$imgfile" ]; then |
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break |
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else |
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if [ $i -ge "$RETRIES" ]; then |
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warn "failed to download live image after $i attempts." |
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exit 1 |
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fi |
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sleep "$SLEEP" |
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fi |
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i=$((i + 1)) |
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done > /tmp/livenet.downloaded |
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# TODO: couldn't dmsquash-live-root handle this? |
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if [ "${imgfile##*.}" = "iso" ]; then |
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root=$(losetup -f) |
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losetup "$root" "$imgfile" |
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else |
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root=$imgfile |
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fi |
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exec /sbin/dmsquash-live-root "$root"
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