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90 lines
2.4 KiB
Bash
Executable File
90 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# This example script activates an interface based on the specified
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# configuration.
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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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# Each Distro is expected to implement this script in a distro specific
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# fashion. For instance on Distros that ship with Network Manager enabled,
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# this script can be based on the Network Manager APIs for configuring the
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# interface.
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#
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# This example script is based on a RHEL environment.
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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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##
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## XXX This is really hacky. We just whack the existing
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## /etc/network/interfaces and also only configure IPv4. This will
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## break with multiple network interfaces etc.
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##
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# Stash away a copy of the config we got
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cp $1 /etc/network/hv_config
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# This is where we write the configuration
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outf=/etc/network/interfaces
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# Source it
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. $1
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# Down the interface
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ifdown -f $DEVICE
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# create a new interfaces file
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echo "auto lo" > $outf
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echo "iface lo inet loopback" >> $outf
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echo "" >> $outf
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echo "auto $DEVICE" >> $outf
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if [ "$BOOTPROTO" = "dhcp" ]; then
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echo "iface $DEVICE inet dhcp" >> $outf
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else
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echo "iface $DEVICE inet static" >> $outf
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echo " address $IPADDR0" >> $outf
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echo " netmask $NETMASK0" >> $outf
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echo " gateway $GATEWAY" >> $outf
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echo " nameserver $DNS1 $DNS2 $DNS3" >> $outf
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fi
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echo " hwaddress ether $HWADDR" >> $outf
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# Up the interface
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ifup $DEVICE
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