Olaf Hering
ea11bf351a
hv_set_ifconfig and dhcp is disabled OBS-URL: https://build.opensuse.org/package/show/Virtualization/hyper-v?expand=0&rev=61
190 lines
4.1 KiB
Bash
190 lines
4.1 KiB
Bash
#!/bin/bash
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#
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# In the interest of keeping the KVP daemon code free of distro specific
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# information; the kvp daemon code invokes this external script to configure
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# the interface.
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#
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# The only argument to this script is the configuration file that is to
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# be used to configure the interface.
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#
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# Here is the format of the ip configuration file:
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#
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# HWADDR=macaddr
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# DEVICE=interface name
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# BOOTPROTO=<protocol> (where <protocol> is "dhcp" if DHCP is configured
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# or "none" if no boot-time protocol should be used)
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#
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# IPADDR0=ipaddr1
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# IPADDR1=ipaddr2
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# IPADDRx=ipaddry (where y = x + 1)
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#
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# NETMASK0=netmask1
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# NETMASKx=netmasky (where y = x + 1)
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#
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# GATEWAY=ipaddr1
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# GATEWAYx=ipaddry (where y = x + 1)
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#
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# DNSx=ipaddrx (where first DNS address is tagged as DNS1 etc)
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#
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# IPV6 addresses will be tagged as IPV6ADDR, IPV6 gateway will be
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# tagged as IPV6_DEFAULTGW and IPV6 NETMASK will be tagged as
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# IPV6NETMASK.
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#
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# The host can specify multiple ipv4 and ipv6 addresses to be
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# configured for the interface. Furthermore, the configuration
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# needs to be persistent. A subsequent GET call on the interface
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# is expected to return the configuration that is set via the SET
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# call.
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#
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cfg=$1
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if ! test -f "${cfg}"
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then
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: expect configuration datafile as first argument
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exit 1
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fi
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# send subshell output to syslog
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(
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f=/etc/sysconfig/network/scripts/functions
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if test -f ${f}
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then
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. ${f}
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else
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echo "MISSING ${f}"
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exit 1
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fi
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# remove known config variables from environment
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unset HWADDR
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unset BOOTPROTO
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unset DEVICE
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unset ${!IPADDR*}
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unset ${!NETMASK*}
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unset ${!GATEWAY*}
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unset ${!IPV6ADDR*}
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unset ${!IPV6NETMASK*}
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unset ${!IPV6_DEFAULTGW*}
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unset ${!DNS*}
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. "$1"
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#
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if test -z "${DEVICE}"
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then
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echo "Missing DEVICE= in ${cfg}"
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exit 1
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fi
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#
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t_ifcfg=`mktemp`
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t_ifroute=`mktemp`
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_exit() {
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rm -f "${t_ifcfg}" "${t_ifroute}"
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}
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trap _exit EXIT
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#
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if test -z "${t_ifcfg}" || test -z "${t_ifroute}"
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then
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exit 1
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fi
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#
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# Create ifcfg-* file
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(
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echo "STARTMODE=auto"
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#
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if test -n "${HWADDR}"
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then
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: # ignore HWADDR, it just repeats the existing MAC value
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fi
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#
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if test "${BOOTPROTO}" = "dhcp"
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then
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echo "BOOTPROTO=dhcp"
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elif test -n "${!IPADDR*}${!IPV6ADDR*}"
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then
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echo "BOOTPROTO=static"
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fi
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# single index for all ipv4 and ipv6 adresses in final ifcfg file
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i=0
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idx=""
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# loop through all ipv4 adresses
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for var in ${!IPADDR*}
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do
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index=${var#IPADDR}
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pfx=
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# find corresponding NETMASK variable
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eval nm=\$NETMASK${index}
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# if specified, calculate prefix
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if test -n "${nm}"
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then
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pfx=`mask2pfxlen "${nm}" 2>/dev/null`
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fi
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# if not specified, force prefix
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if test -z "${pfx}"
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then
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pfx="32"
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fi
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# construct actual value
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eval val=\$IPADDR${index}
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# write config variable
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echo "IPADDR${idx}='${val}/${pfx}'"
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idx="_$((++i))"
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done
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# loop through all ipv6 adresses
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for var in ${!IPV6ADDR*}
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do
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index=${var#IPV6ADDR}
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# find corresponding IPV6NETMASK variable
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eval pfx=\$IPV6NETMASK${index}
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# if not specified, force prefix
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if test -z "${pfx}"
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then
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pfx=128
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fi
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# construct actual value
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eval val=\$IPV6ADDR${index}
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# write config variable
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echo "IPADDR${idx}='${val}/${pfx}'"
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idx="_$((++i))"
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done
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) >> "${t_ifcfg}"
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# Create ifroute-* file
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(
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if test -n "${GATEWAY}"
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then
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echo "default $GATEWAY - $DEVICE"
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fi
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if test -n "${IPV6_DEFAULTGW}"
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then
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echo "default $IPV6_DEFAULTGW - $DEVICE"
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fi
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) >> "${t_ifroute}"
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# Only a single default gateway is supported
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unset GATEWAY IPV6_DEFAULTGW
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if test -n "${!GATEWAY*}${!IPV6_DEFAULTGW*}"
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then
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echo "WARNING: multiple gateways not supported: ${!GATEWAY*} ${!IPV6_DEFAULTGW*}"
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fi
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# collect DNS info
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_DNS_=
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for var in ${!DNS*}
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do
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eval val=\$${var}
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if test -n "${_DNS_}"
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then
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_DNS_="${_DNS_} ${val}"
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else
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_DNS_=${val}
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fi
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done
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#
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echo "$0: working on network interface ifcfg-${DEVICE}"
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cp -fb ${t_ifcfg} "/etc/sysconfig/network/ifcfg-${DEVICE}"
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cp -fb ${t_ifroute} "/etc/sysconfig/network/ifroute-${DEVICE}"
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if test -w /etc/sysconfig/network/config
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then
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sed -i "s@^NETCONFIG_DNS_STATIC_SERVERS=.*@NETCONFIG_DNS_STATIC_SERVERS='$_DNS_'@" /etc/sysconfig/network/config
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netconfig update -m dns
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fi
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ifdown "${DEVICE}"
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ifup "${DEVICE}"
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) 2>&1 | logger -t "${0##*/}[$PPID / $$]"
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