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Replace static network config script with iproute2 batch file
A lot simpler than make-shift DSL parsing with bash. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
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commit
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6 changed files with 7 additions and 115 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -9,7 +9,6 @@ install-sh
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missing
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reboot
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scripts/devfs.sh
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scripts/ifcfg.sh
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scripts/ifrename.sh
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scripts/modules_load.sh
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services/devfs
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@ -38,7 +38,6 @@ AC_CONFIG_FILES([services/tmpfsvar])
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AC_CONFIG_FILES([services/dhcpcd])
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AC_CONFIG_FILES([scripts/devfs.sh])
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AC_CONFIG_FILES([scripts/ifrename.sh])
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AC_CONFIG_FILES([scripts/ifcfg.sh])
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AC_CONFIG_FILES([scripts/modules_load.sh])
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AC_CONFIG_FILES([crontab/swclock])
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@ -34,46 +34,12 @@ Extension cards or external network adapters should be given a different prefix
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to avoid changes in the order as they come and go.
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## Interface Configuration
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## Static Interface and Route Configuration
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After interface renaming, for each network interface, the configuration path is
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scanned for files with the same name as the interface.
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Each successfully found configuration file is processed line by line, top to
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bottom. Each line may contain a keyword, followed by multiple arguments.
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The following keywords can be used to add IPv4 or IPv6 network addresses to
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an interface:
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* address
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* addr
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* ip
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* ip6
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* ipv6
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Those commands are expected to be followed by an IPv4 or IPv6 address and
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network mask.
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Furthermore, the following commands can be used for configuring interface
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parameters:
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* `arp {on|off}`
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* `multicast {on|off}`
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* `mtu <value>`
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* `offload [rx {on|off}] [tx {on|off}] [sg {on|off}] [tso {on|off}]`
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* `offload [gso {on|off}] [gro {on|off}] [lro {on|off}] [rxvlan {on|off}]`
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* `offload [txvlan {on|off}] [ntuple {on|off}] [rxhash {on|off}]`
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* `offload [ufo {on|off}]`
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## Route Configuration
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After interface configuration is done, routes and rules are restored from a
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file named `routes` in the same configuration path.
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The file may contain lines starting with `route` or `rule`. Everything that
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follows is passed on to `ip route add` or `ip rule add` respectively.
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After interface renaming, an iproute2 batch script `/etc/netcfg/static` is
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executed with the `-force` option is set, i.e. it will plough throug the
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entire script without aborting, but the service will be marked as having
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failed if any of the batch lines fail.
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## Net Filter Tables
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@ -1,5 +1,5 @@
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helper_SCRIPTS += scripts/devfs.sh scripts/trymount.sh scripts/ifrename.sh
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helper_SCRIPTS += scripts/ifcfg.sh scripts/ifdown.sh scripts/modules_load.sh
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helper_SCRIPTS += scripts/ifdown.sh scripts/modules_load.sh
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helper_SCRIPTS += scripts/setntpdate.sh scripts/overlay.sh
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EXTRA_DIST += scripts/trymount.sh scripts/ifdown.sh scripts/setntpdate.sh
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@ -1,71 +0,0 @@
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#!/bin/sh
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CFGPATH="@ETCPATH@/netcfg"
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[ -d "$CFGPATH" ] || exit 0
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# configure interfaces
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for IFPATH in /sys/class/net/*; do
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[ "$IFPATH" = "/sys/class/net/lo" ] && continue
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IF=`basename $IFPATH`
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CFGFILE="$CFGPATH/$IF"
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[ -f "$CFGFILE" ] || continue
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ip link set dev "$IF" down
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while read LINE;
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do
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trimmed=`echo -- $LINE`
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[ ! -z "$trimmed" ] || continue
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set $trimmed
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case "$1" in
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address|addr|ip|ip6|ipv6)
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shift
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ip address add $@ dev "$IF"
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;;
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arp|multicast|mtu)
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ip link set dev "$IF" $@
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;;
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offload)
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shift
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ethtool -K "$IF" $@
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;;
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*)
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;;
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esac
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done < "$CFGFILE"
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done
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# configure static routs
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if [ -f "$CFGPATH/routes" ]; then
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while read LINE;
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do
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trimmed=`echo -- $LINE`
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[ ! -z "$trimmed" ] || continue
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set $trimmed
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case "$1" in
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route)
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shift
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ip route add $@
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;;
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rule)
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shift
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ip rule add $@
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;;
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*)
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;;
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esac
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done < "$CFGFILE"
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fi
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# activate interfaces
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for IFPATH in /sys/class/net/*; do
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[ "$IFPATH" = "/sys/class/net/lo" ] && continue
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IF=`basename $IFPATH`
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[ ! -f "$CFGPATH/$IF" ] || ip link set dev "$IF" up
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done
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@ -3,5 +3,4 @@ type wait
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target boot
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after sysinit ifrename
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before network
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exec "@SCRIPTDIR@/ifcfg.sh"
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exec ip -force -batch "@ETCPATH@/netcfg/static"
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