image-static-dns.bb: new image snippet to set a static dns configuration
Fixes: SYS#1126
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# set the variables DNS_SERVER, DNS_DOMAIN or DNS_SEARCH in your image file
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# and require this file afterwards
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DNSSERVER = "${@d.getVar('DNS_SERVER', True) or ''}"
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DNSDOMAIN = "${@d.getVar('DNS_DOMAIN', True) or ''}"
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DNSSEARCH = "${@d.getVar('DNS_SEARCH', True) or ''}"
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ROOTFS_POSTPROCESS_COMMAND += "set_static_dns;"
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set_static_dns() {
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echo "#created by image-static-dns.inc" > ${IMAGE_ROOTFS}/etc/resolv.conf
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if [ -n "${DNSSERVER}" ]; then
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printf "setting DNS-server\n"
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echo "nameserver ${DNSSERVER}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
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fi
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if [ -n "${DNSDOMAIN}" ]; then
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printf "setting DNS-domain\n"
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echo "domain ${DNSDOMAIN}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
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fi
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if [ -n "${DNSSEARCH}" ]; then
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printf "seting DNS-search\n"
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echo "search ${DNSSEARCH}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
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fi
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if [ -w ${IMAGE_ROOTFS}/default/udhcpc ]; then
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sed -i -e "s/^#.*\(STATIC_DNS\).*$/\1=yes/g" ${IMAGE_ROOTFS}/default/udhcpc
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fi
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}
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