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From 46a8b8e9e7f150c2a17d4adeacb25ccf003ec425 Mon Sep 17 00:00:00 2001
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From: Jonathan Lebon <jonathan@jlebon.com>
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Date: Tue, 21 Jan 2020 17:57:31 -0500
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Subject: [PATCH] network-legacy/ifup: nuke pid and lease files if dhclient
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failed
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Otherwise we won't retry dhclient again on that interface. In
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FCOS/RHCOS, we want to bake in `ip=dhcp,dhcp6` so we automatically try
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getting a DHCPv6 lease if DHCPv4 failed.
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Related: https://bugzilla.redhat.com/show_bug.cgi?id=1793591
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(cherry picked from commit d0de58f23252a9da4a8badd71777e7c8418fa4b7)
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---
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modules.d/35network-legacy/ifup.sh | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/modules.d/35network-legacy/ifup.sh b/modules.d/35network-legacy/ifup.sh
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index 16b950be..dd18d70b 100755
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--- a/modules.d/35network-legacy/ifup.sh
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+++ b/modules.d/35network-legacy/ifup.sh
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@@ -62,6 +62,9 @@ do_dhcp() {
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[ $_COUNT -lt $_DHCPRETRY ] && sleep 1
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done
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warn "dhcp for interface $netif failed"
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+ # nuke those files since we failed; we might retry dhcp again if it's e.g.
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+ # `ip=dhcp,dhcp6` and we check for the PID file at the top
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+ rm -f /tmp/dhclient.$netif.{pid,lease}
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return 1
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}
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