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0a6b46fe4d
* dhcp_server: Prettier JSON & YAML files * dhcp_server: Move run.sh into data folder * dhcp_server: Pin base images
70 lines
2.0 KiB
Bash
Executable File
70 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bashio
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set -e
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CONFIG="/etc/dhcpd.conf"
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LEASES="/data/dhcpd.lease"
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bashio::log.info "Creating DHCP configuration..."
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# Create main config
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DEFAULT_LEASE=$(bashio::config 'default_lease')
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DNS=$(bashio::config 'dns|join(", ")')
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DOMAIN=$(bashio::config 'domain')
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MAX_LEASE=$(bashio::config 'max_lease')
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{
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echo "option domain-name \"${DOMAIN}\";"
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echo "option domain-name-servers ${DNS};";
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echo "default-lease-time ${DEFAULT_LEASE};"
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echo "max-lease-time ${MAX_LEASE};"
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echo "authoritative;"
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} > "${CONFIG}"
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# Create networks
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for network in $(bashio::config 'networks|keys'); do
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BROADCAST=$(bashio::config "networks[${network}].broadcast")
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GATEWAY=$(bashio::config "networks[${network}].gateway")
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INTERFACE=$(bashio::config "networks[${network}].interface")
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NETMASK=$(bashio::config "networks[${network}].netmask")
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RANGE_END=$(bashio::config "networks[${network}].range_end")
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RANGE_START=$(bashio::config "networks[${network}].range_start")
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SUBNET=$(bashio::config "networks[${network}].subnet")
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{
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echo "subnet ${SUBNET} netmask ${NETMASK} {"
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echo " interface ${INTERFACE};"
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echo " range ${RANGE_START} ${RANGE_END};"
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echo " option routers ${GATEWAY};"
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echo " option broadcast-address ${BROADCAST};"
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echo "}"
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} >> "${CONFIG}"
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done
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# Create hosts
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for host in $(bashio::config 'hosts|keys'); do
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IP=$(bashio::config "hosts[${host}].ip")
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MAC=$(bashio::config "hosts[${host}].mac")
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NAME=$(bashio::config "hosts[${host}].name")
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{
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echo "host ${NAME} {"
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echo " hardware ethernet ${MAC};"
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echo " fixed-address ${IP};"
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echo " option host-name \"${NAME}\";"
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echo "}"
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} >> "${CONFIG}"
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done
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# Create database
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if ! bashio::fs.file_exists "${LEASES}"; then
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touch "${LEASES}"
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fi
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# Start DHCP server
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bashio::log.info "Starting DHCP server..."
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exec /usr/sbin/dhcpd \
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-4 -f -d --no-pid \
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-lf "${LEASES}" \
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-cf "${CONFIG}" \
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< /dev/null
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