> I did read that as > How are GUID/UUID provided to dhcp-script? Yes, this is what I meant.
> | If the client provides user-classes, DNSMASQ_USER_CLASS0..DNSMASQ_USER_CLASSn > and see if DNSMASQ_USER_CLASS97 is indeed GUID/UUID I checked the all environment variables with `printenv` like below. 1) create dhcp-script and make it executable $ sudo echo 'printenv >> /var/log/dhcp-script-test' > /usr/bin/dhcp-script' $ sudo chmod +x /usr/bin/dhcp-script # dnsmasq user executes dnsmasq program $ sudo chown dnsmasq:nogroup /usr/bin/dhcp-script 2) add "dhcp-script=/usr/bin/dhcp-script" to /etc/dnsmasq.conf 3) restart dnsmasq and the result was: ``` DNSMASQ_TIME_REMAINING=3600 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin LANG=en_US.UTF-8 DNSMASQ_LEASE_EXPIRES=1550677504 _SYSTEMCTL_SKIP_REDIRECT=true DNSMASQ_TAGS=vlan140 PWD=/ DNSMASQ_INTERFACE=vlan140 DNSMASQ_VENDOR_CLASS=Linux ipconfig ``` There is no DNSMASQ_USER_CLASS* variable. Is this expected?? If I'm missing something, please tell me. Thanks, nishitani yuki 2019年2月20日(水) 19:30 Geert Stappers <stapp...@hendrikx-itc.nl>: > On Wed, Feb 20, 2019 at 03:38:27PM +0900, 西谷優希 wrote: > > Hi, > > > > > http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2010q1/003844.html > > As mentioned in this post, a PXE request contains a GUID / UUID value. > > Is there a way to refer this GUID / UUID in dhcp script? > > > > I'd like to implement like below: > > 1. execute PXE Boot > > 2. send DHCP request to dhsmasq > > 3. hook dhcp-script which does: > > - refer UUID of the client > > - take the the client information from CMDB > > - create pxelinux.cfg/<UUID> with the taken information(e.g. RAID type, > > kernel version) > > 4. send DHCP response to the host > > 5. booting goes on ... > > > > Of course, it is possible to use the MAC address of NIC in place of UUID, > > but it can be changed by repair and replacement and the priority of UUID > is > > higher than the MAC address of NIC for pxelinux. > > So it's great if GUID / UUID can be referred in dhcp script. > > I did read that as > How are GUID/UUID provided to dhcp-script? > > Reading http://www.thekelleys.org.uk/dnsmasq/docs/dnsmasq-man.html > did not clearly reveal it. My startpoint would > > | If the client provides user-classes, > DNSMASQ_USER_CLASS0..DNSMASQ_USER_CLASSn > > and see if DNSMASQ_USER_CLASS97 is indeed GUID/UUID > > > Hope this helps, > > Regards > Geert Stappers > Devops Engineer Hendrikx ITC > > > _______________________________________________ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss >
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