85 lines
3.9 KiB
Bash
Executable File
85 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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SCRIPTDIR=$(dirname $0)
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if [ -e "/etc/redhat-release" ]; then
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# NOTE(TheJulia): While the internal client which every networkmanager user
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# should have is internal, dhclient has better behavior which includes
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# shutting down the port between retries which is critical for recovery
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# from LACP port blocking situations. As such, we'll force it to dhclient.
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# For more information, see https://storyboard.openstack.org/#!/story/2008001
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DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
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fi
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# Sets appropriate NetworkManager configuration, if the folder is present.
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if [ -x "/etc/NetworkManager" ]; then
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install -D -g root -o root -m 0644 ${SCRIPTDIR}/NetworkManager-conf.d-00-main.conf /etc/NetworkManager/conf.d/00-main.conf
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sed -i "s/DIB_DHCP_CLIENT/${DIB_DHCP_CLIENT:-internal}/g" /etc/NetworkManager/conf.d/00-main.conf
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sed -i "s/DIB_DHCP_TIMEOUT/${DIB_DHCP_TIMEOUT:-30}/g" /etc/NetworkManager/conf.d/00-main.conf
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if [ "${DIB_DHCP_NETWORK_MANAGER_AUTO:-false}" == true ]; then
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# Use NetworkManager for auto configuration, it will behave just as
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# good as dhcp-all-interfaces.sh in most cases.
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exit 0
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fi
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fi
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if [ -e "/etc/redhat-release" ]; then
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# TODO(hjensas): Once ndisc6 package is available in EPEL8 drop this,
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# and add the package back in pkg-map.
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# See: https://bugzilla.redhat.com/show_bug.cgi?id=1779134
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if type dnf &>/dev/null; then
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dnf -v -y install ndisc6 || true
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else
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yum -v -y install ndisc6 || true
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fi
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fi
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# this script is not needed on Gentoo.
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if [ "$DISTRO_NAME" != "gentoo" ]; then
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install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.sh /usr/local/sbin/dhcp-all-interfaces.sh
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sed -i "s/DIB_DHCP_TIMEOUT/${DIB_DHCP_TIMEOUT:-30}/" /usr/local/sbin/dhcp-all-interfaces.sh
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fi
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if [ -f /etc/dhcp/dhclient.conf ] ; then
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# Set the dhclient timeout configurations to match DIB_DHCP_TIMEOUT,
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if grep -o "^timeout " /etc/dhcp/dhclient.conf ; then
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sed -i -e "s/^timeout .*/# \"timeout\" Value set by dhcp-all-interfaces\ntimeout ${DIB_DHCP_TIMEOUT:-30};/" /etc/dhcp/dhclient.conf
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else
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echo -e "# \"timeout\" Value set by dhcp-all-interfaces\ntimeout ${DIB_DHCP_TIMEOUT:-30};" >> /etc/dhcp/dhclient.conf
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fi
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if grep -o "^retry " /etc/dhcp/dhclient.conf ; then
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sed -i -e '/^retry/s/^/# \"retry\" Value commented by dhcp-all-interfaces\n# /g' /etc/dhcp/dhclient.conf
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fi
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fi
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if [ "$DIB_INIT_SYSTEM" == "upstart" ]; then
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if [ -e "/etc/redhat-release" ] ; then
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# the init system is upstart but networking is using sysv compatibility (i.e. Centos/RHEL 6)
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install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.init /etc/init.d/dhcp-all-interfaces
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chkconfig dhcp-all-interfaces on
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else
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install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.conf /etc/init/dhcp-all-interfaces.conf
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fi
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elif [ "$DIB_INIT_SYSTEM" == "systemd" ]; then
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install -D -g root -o root -m 0644 ${SCRIPTDIR}/dhcp-interface@.service /usr/lib/systemd/system/dhcp-interface@.service
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install -D -g root -o root -m 0644 ${SCRIPTDIR}/dhcp-all-interfaces-udev.rules /etc/udev/rules.d/99-dhcp-all-interfaces.rules
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sed -i "s/TimeoutStartSec=DIB_DHCP_TIMEOUT/TimeoutStartSec=$(( ${DIB_DHCP_TIMEOUT:-30} * 2 ))s/" /usr/lib/systemd/system/dhcp-interface@.service
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elif [ "$DIB_INIT_SYSTEM" == "sysv" ]; then
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install -D -g root -o root -m 0755 ${SCRIPTDIR}/dhcp-all-interfaces.init /etc/init.d/dhcp-all-interfaces
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update-rc.d dhcp-all-interfaces defaults
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elif [ "$DISTRO_NAME" == "gentoo" ]; then
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# let ipv6 use normal slaac
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sed -i 's/slaac/#slaac/g' /etc/dhcpcd.conf
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# don't let dhcpcd set domain name or hostname
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sed -i 's/domain_name\,\ domain_search\,\ host_name/domain_search/g' /etc/dhcpcd.conf
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rc-update add dhcpcd default
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fi
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