1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
SCRIPTDIR=$(dirname $0)
if [ -e "/etc/redhat-release" ]; then
# NOTE(TheJulia): RHEL, prior to RHEL8 used dhclient by default launched
# by NetworkManager. In RHEL8, this default switched to the "internal"
# dhcp client.
# This is problematic in RHEL8, with port blocking situations as dhclient
# has better behavior which includes shutting down the port between
# retries which is critical for recovery from LACP port blocking
# situations. As such, we'll force it to dhclient.
# For more information, see https://storyboard.openstack.org/#!/story/2008001
if [[ '7' =~ ${DIB_RELEASE} ]]; then
DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
elif [[ '8' =~ ${DIB_RELEASE} ]]; then
DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
elif [[ '10' =~ ${DIB_RELEASE} ]]; then
DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhcpcd}
fi
# NOTE(TheJulia): Centos 9-stream/RHEL9, appear to need to leverage the
# internal interface. See: https://storyboard.openstack.org/#!/story/2010109
fi
# Sets appropriate NetworkManager configuration, if the folder is present.
if [ -x "/etc/NetworkManager" ]; then
install -D -g root -o root -m 0644 ${SCRIPTDIR}/NetworkManager-conf.d-00-main.conf /etc/NetworkManager/conf.d/00-main.conf
sed -i "s/DIB_DHCP_CLIENT/${DIB_DHCP_CLIENT:-internal}/g" /etc/NetworkManager/conf.d/00-main.conf
sed -i "s/DIB_DHCP_TIMEOUT/${DIB_DHCP_TIMEOUT:-30}/g" /etc/NetworkManager/conf.d/00-main.conf
if [ "${DIB_DHCP_NETWORK_MANAGER_AUTO:-false}" == true ]; then
# Use NetworkManager for auto configuration, it will behave just as
# good as dhcp-all-interfaces.sh in most cases.
exit 0
fi
fi
if [ -e "/etc/redhat-release" ]; then
# TODO(hjensas): Once ndisc6 package is available in EPEL8 drop this,
# and add the package back in pkg-map.
# See: https://bugzilla.redhat.com/show_bug.cgi?id=1779134
if type dnf &>/dev/null; then
dnf -v -y install ndisc6 || true
else
yum -v -y install ndisc6 || true
fi
fi
# this script is not needed on Gentoo.
if [ "$DISTRO_NAME" != "gentoo" ]; then
install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.sh /usr/local/sbin/dhcp-all-interfaces.sh
sed -i "s/DIB_DHCP_TIMEOUT/${DIB_DHCP_TIMEOUT:-30}/" /usr/local/sbin/dhcp-all-interfaces.sh
fi
if [ -f /etc/dhcp/dhclient.conf ] ; then
# Set the dhclient timeout configurations to match DIB_DHCP_TIMEOUT,
if grep -o "^timeout " /etc/dhcp/dhclient.conf ; then
sed -i -e "s/^timeout .*/# \"timeout\" Value set by dhcp-all-interfaces\ntimeout ${DIB_DHCP_TIMEOUT:-30};/" /etc/dhcp/dhclient.conf
else
echo -e "# \"timeout\" Value set by dhcp-all-interfaces\ntimeout ${DIB_DHCP_TIMEOUT:-30};" >> /etc/dhcp/dhclient.conf
fi
if grep -o "^retry " /etc/dhcp/dhclient.conf ; then
sed -i -e '/^retry/s/^/# \"retry\" Value commented by dhcp-all-interfaces\n# /g' /etc/dhcp/dhclient.conf
fi
fi
if [ "$DIB_INIT_SYSTEM" == "upstart" ]; then
if [ -e "/etc/redhat-release" ] ; then
# the init system is upstart but networking is using sysv compatibility (i.e. Centos/RHEL 6)
install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.init /etc/init.d/dhcp-all-interfaces
chkconfig dhcp-all-interfaces on
else
install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.conf /etc/init/dhcp-all-interfaces.conf
fi
elif [ "$DIB_INIT_SYSTEM" == "systemd" ]; then
install -D -g root -o root -m 0644 ${SCRIPTDIR}/dhcp-interface@.service /usr/lib/systemd/system/dhcp-interface@.service
install -D -g root -o root -m 0644 ${SCRIPTDIR}/dhcp-all-interfaces-udev.rules /etc/udev/rules.d/99-dhcp-all-interfaces.rules
sed -i "s/TimeoutStartSec=DIB_DHCP_TIMEOUT/TimeoutStartSec=$(( ${DIB_DHCP_TIMEOUT:-30} * 2 ))s/" /usr/lib/systemd/system/dhcp-interface@.service
elif [ "$DIB_INIT_SYSTEM" == "sysv" ]; then
install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.init /etc/init.d/dhcp-all-interfaces
update-rc.d dhcp-all-interfaces defaults
elif [ "$DISTRO_NAME" == "gentoo" ]; then
# let ipv6 use normal slaac
sed -i 's/slaac/#slaac/g' /etc/dhcpcd.conf
# don't let dhcpcd set domain name or hostname
sed -i 's/domain_name\,\ domain_search\,\ host_name/domain_search/g' /etc/dhcpcd.conf
rc-update add dhcpcd default
fi
|
