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wit-network-config
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re-factor of interface config compile process

This commit is contained in:
toby 2018-10-09 18:06:28 +00:00
parent 4a89aa2c93
commit 347291d1a9
1 changed files with 85 additions and 35 deletions
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120
debian/wit-network-config.postinst vendored
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@ -22,7 +22,11 @@ case "$1" in
configure)
### START gather all the info from the box and generate the variabels
## START gather all the info from the box and generate the variabels
IFCONFIG="/etc/network/interfaces"
UDEVCONFIG="/etc/udev/rules.d/70-persistent-net.rules"
export LOOPBACKv4=$(dig a +short ${HOSTNAME})
export LOOPBACKv6=$(dig aaaa +short ${HOSTNAME})
@ -36,34 +40,33 @@ case "$1" in
exit 2
fi
declare -A MACS
for if in mgmt feth1 feth2 feth3 fet4 up1 up2 up3 up4 ibgp1 ibgp2 ibgp3 ibgp4
do
MACS["$if"]=$(dig txt +short mac.$if.$HOSTNAME) ## careful mac will be wrapped in quotes, but we don't care since we'll need it again wrapped in quotes (so far)
done
## END variables
## START writing config files
## START nic config compile
# write udev rules for device names
for if in ${!MACS[@]}
# gathering supported interfaces
declare -A MACS
MACS["mgmt1"]=$(dig txt +short mac.mgmt.${HOSTNAME})
for if in feth up ibgp
do
ifmac=${MACS[$if]}
[ "$if" == "mgmt" ] && if=mgmt1
[ -z "$ifmac" ] || echo 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=='$ifmac', ATTR{type}=="1", NAME="'${if}'"'
done >/etc/udev/rules.d/70-persistent-net.rules
for i in {1..9}
do
MACS["${if}${i}"]=$(dig txt +short mac.${if}${i}.${HOSTNAME})
done
done
# wiping existing config in prep for de-deploying it
mv -f ${IFCONFIG} ${IFCONFIG}.dpkg-old || true
mv -f ${UDEVCONFIG} ${UDEVCONFIG}.dpkg-old || true
# set network interface configurations
cat <<-EOF >/etc/network/interfaces
source-directory /etc/network/interfaces.d
EOF
cat <<-EOF >/etc/network/interfaces.d/lo
# write loopback config
cat <<-EOF >/etc/network/interfaces
auto lo
iface lo inet loopback
@ -74,27 +77,74 @@ case "$1" in
address ${LOOPBACKv6}/128
EOF
cat <<-"EOF" >/etc/network/interfaces.d/mgmt1
auto mgmt1
iface mgmt1 inet dhcp
pre-up /bin/ip link add mgmt type vrf table mgmt
pre-up /bin/ip link set up dev mgmt
pre-up /bin/ip link set master mgmt dev mgmt1
post-down /bin/ip link del dev mgmt
iface mgmt1 inet6 auto
EOF
cat <<-"EOF" >/etc/network/interfaces.d/feth
auto feth1
iface feth1 inet manual
mtu 9000
for if in ${!MACS[@]}
do
[ -z ${MACS[$if]} ] && continue ## skip undefined interfaces
auto feth2
iface feth2 inet manual
mtu 9000
EOF
echo 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=='${MACS[$if]}', ATTR{type}=="1", NAME="'${if}'"' >>$UDEVCONFIG
if [[ $if = feth? ]]; then
cat <<-EOF >>$IFCONFIG
auto $if
iface $if inet manual
mtu 9000
EOF
fi
if [[ $if = mgmt? ]]; then
cat <<-EOF >>$IFCONFIG
auto $if
iface $if inet6 auto
iface $if inet dhcp
pre-up /bin/ip link add mgmt type vrf table mgmt
pre-up /bin/ip link set up dev mgmt
pre-up /bin/ip link set master mgmt dev $if
post-down /bin/ip link del dev mgmt
EOF
fi
if [[ $if = ibgp? ]]; then
cat <<-EOF >>$IFCONFIG
auto $if
iface $if inet manual
mtu 9000
EOF
fi
if [[ $if = up? ]]; then
cat <<-EOF >>$IFCONFIG
auto $if
iface $if inet static
address $(dig txt +short ipv4.$if.$HOSTNAME)
mtu 9000
iface $if inet6 static
address $(dig txt +short ipv6.$if.$HOSTNAME)
EOF
fi
done
## START nic config compile
## START writing config files
# set frr config