[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
As has been discussed upstream, adding a generic custom conf file hides useful information when debugging. The dnsmasq features which need to be tweaked should be explicitly supported in new xml bits. Marking this wontfix here, but hoping that the features will show up upstream soon. ** Changed in: libvirt (Ubuntu) Status: Triaged = Won't Fix -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
As has been discussed upstream, adding a generic custom conf file hides useful information when debugging. The dnsmasq features which need to be tweaked should be explicitly supported in new xml bits. Marking this wontfix here, but hoping that the features will show up upstream soon. ** Changed in: libvirt (Ubuntu) Status: Triaged = Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
I'm contributing new dhcp relay='(yes|no)'/ functionality upstream, and the state of the current upstream is such that it writes its own conffile for dnsmasq based on an expanding range of settings taken from the network XML definition. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Awesome, thanks very much. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
I needed the same flexibility on my network for several libvirtd instances each running its own dnsmasq and requiring some complex dnsmasq configuration to meld into the LAN configuration. I added two new tags to the network XML: conffile and logfacility: conffile name='/etc/libvirt/qemu/dnsmasq.conf'/ logfacility name='/var/log/libvirt-dnsmasq.log'/ If they are defined then their name attribute is passed to dnsmaq: /usr/sbin/dnsmasq -u libvirt-dnsmasq --strict-order --bind-interfaces --domain lan.domain.tld --pid-file=/var/run/libvirt/network/default.pid --conf-file=/etc/libvirt/qemu/dnsmasq.conf --log-facility=/var/log /libvirt-dnsmasq.log --except-interface lo --listen-address 10.254.1.1 --dhcp-range 10.254.1.101,10.254.1.254 --dhcp- leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=154 --dhcp-no-override --expand-hosts which logs to: $ sudo tail -f /var/log/libvirt-dnsmasq.log Feb 24 09:32:16 dnsmasq[4595]: started, version 2.59 cachesize 150 Feb 24 09:32:16 dnsmasq[4595]: compile time options: IPv6 GNU-getopt DBus i18n DHCP TFTP conntrack IDN Feb 24 09:32:16 dnsmasq-dhcp[4595]: DHCP, IP range 10.254.1.101 -- 10.254.1.254, lease time 1h Feb 24 09:32:16 dnsmasq[4595]: using nameserver 10.254.251.1#53 Feb 24 09:32:16 dnsmasq[4595]: read /etc/hosts - 9 addresses Feb 24 09:34:56 dnsmasq-dhcp[4595]: DHCPDISCOVER(virbr1) 10.254.1.244 52:54:00:75:df:89 Feb 24 09:34:56 dnsmasq-dhcp[4595]: DHCPOFFER(virbr1) 10.254.1.244 52:54:00:75:df:89 Feb 24 09:34:56 dnsmasq-dhcp[4595]: DHCPREQUEST(virbr1) 10.254.1.244 52:54:00:75:df:89 Feb 24 09:34:56 dnsmasq-dhcp[4595]: DHCPACK(virbr1) 10.254.1.244 52:54:00:75:df:89 vm-ubuntu-raring-playpen The attached patch is for Ubuntu 12.04.2 Precise's libvirt 0.9.8-2ubuntu17.7 but should be usable for later releases too. ** Patch added: sourcecode: diff to add --conf-file=... and --log-facility=... to libvirt 0.9.8-2ubuntu17.7 https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+attachment/3544491/+files/dnsmasq-conf%2Blog.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
The attachment sourcecode: diff to add --conf-file=... and --log- facility=... to libvirt 0.9.8-2ubuntu17.7 of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-reviewers team please also unsubscribe the team from this bug report. [This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.] ** Tags added: patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Since libvirt 0.4.5 you can define the DNS domain in the network XML definition. See [1] for the domain element. [1] http://www.libvirt.org/formatnetwork.html#elementsConnect True, but don't forget to issue a 'virsh net-destroy xx' before edit the network, of course using 'virsh net-edit xxx', and a 'virsh net- start xx' after. Otherwise, your edition will be ignored. I wasted several hours trying to edit the file manually and after trying to use 'virsh net-edit' without stopping it first. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/247583 Title: add option to start dnsmasq with a custom configuration file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/247583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Does the network XML allow for MX records? I'd like to have an email server VM, but email servers need MX records, and I didn't see a way to specify that in the documentation linked above. -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Does the network XML allow for MX records? I'd like to have an email server VM, but email servers need MX records, and I didn't see a way to specify that in the documentation linked above. -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Since libvirt 0.4.5 you can define the DNS domain in the network XML definition. See [1] for the domain element. [1] http://www.libvirt.org/formatnetwork.html#elementsConnect -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Since libvirt 0.4.5 you can define the DNS domain in the network XML definition. See [1] for the domain element. [1] http://www.libvirt.org/formatnetwork.html#elementsConnect -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Oohps forgot to mention I'm using Ubuntu Lucid (10.04, new long term support) -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Oohps forgot to mention I'm using Ubuntu Lucid (10.04, new long term support) -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Problem in my case is, I've got a DHCP server, bridged networking which is working when not enabling LIBVIRT. After enabling LIBVIRT for some reason, I can't seem to find out why, my DHCP server stops serving IP's configs for my clients. After a reboot my DHCP server works for about 5 min, then stops. In the logging I can't find any reasons why it stops. So it would be nice to would be nice to specify that LIBVIRT (read DNSMASQ) only binds listens to the VIRBR* not to the rest... Below is my interfaces conf. # The loopback network interface auto lo iface lo inet loopback # The first network interface auto eth0 iface eth0 inet dhcp # The second network interface auto eth1 iface eth1 inet static address 192.168.192.1 netmask 255.255.255.0 # The third network interface auto eth2 iface eth2 inet manual # Bridge auto br0 iface br0 inet static address 172.18.172.1 network 172.18.172.0 netmask 255.255.255.0 broadcast 172.16.172.255 bridge_ports eth2 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
After trying the solution to stop dhcp from starting I still have the same issue dhpc is still started (with libvrirt) ps aux|grep dns gives this: nobody2048 0.0 0.0 21404 904 ?S17:07 0:00 dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= --listen-address 192.168.122.1 --except-interface lo --dhcp-range 192.168.122.2,192.168.122.254 So appearantly i do something wrong... XML default looks like this: network namedefault/name uuidfa166c0d-ad71-5046-9915-18ccd31f5be5/uuid forward mode='nat'/ bridge name='virbr0' stp='on' delay='0' / ip address='192.168.122.1' netmask='255.255.255.0' / /network -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Problem in my case is, I've got a DHCP server, bridged networking which is working when not enabling LIBVIRT. After enabling LIBVIRT for some reason, I can't seem to find out why, my DHCP server stops serving IP's configs for my clients. After a reboot my DHCP server works for about 5 min, then stops. In the logging I can't find any reasons why it stops. So it would be nice to would be nice to specify that LIBVIRT (read DNSMASQ) only binds listens to the VIRBR* not to the rest... Below is my interfaces conf. # The loopback network interface auto lo iface lo inet loopback # The first network interface auto eth0 iface eth0 inet dhcp # The second network interface auto eth1 iface eth1 inet static address 192.168.192.1 netmask 255.255.255.0 # The third network interface auto eth2 iface eth2 inet manual # Bridge auto br0 iface br0 inet static address 172.18.172.1 network 172.18.172.0 netmask 255.255.255.0 broadcast 172.16.172.255 bridge_ports eth2 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
After trying the solution to stop dhcp from starting I still have the same issue dhpc is still started (with libvrirt) ps aux|grep dns gives this: nobody2048 0.0 0.0 21404 904 ?S17:07 0:00 dnsmasq --strict-order --bind-interfaces --pid-file=/var/run/libvirt/network/default.pid --conf-file= --listen-address 192.168.122.1 --except-interface lo --dhcp-range 192.168.122.2,192.168.122.254 So appearantly i do something wrong... XML default looks like this: network namedefault/name uuidfa166c0d-ad71-5046-9915-18ccd31f5be5/uuid forward mode='nat'/ bridge name='virbr0' stp='on' delay='0' / ip address='192.168.122.1' netmask='255.255.255.0' / /network -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
after some trying I just stuck with killing the dnsmasq process (re)starting
the dhcp server via a little script.
In rc.local I added this script so it will be carried out at the end of
everything... Not a real nice solution but it's working...
The sleeps are for some reason necessary
#!/bin/bash
echo wait 10sec
sleep 10
PROCS=dnsmasq
#
# Get pids
PIDS=$(awk -F: '{print}' /var/run/libvirt/network/default.pid)
# Now kill em
echo Killing $PROCS process with PID $PIDS ...
kill -9 $PIDS
echo wait 10sec
sleep 10
echo dhcp start
/etc/init.d/dhcp3-server restart
--
add option to start dnsmasq with a custom configuration file
https://bugs.launchpad.net/bugs/247583
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[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
** Changed in: libvirt (Ubuntu) Status: New = Triaged -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
** Changed in: libvirt (Ubuntu) Status: New = Triaged -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
dnsmasq started by libvirtd contains --conf-file= argument which prevents dnsmasq to read its default config file in /etc/dnsmasq.conf. It is simple and clean to remove this argument to allow modification of dnsmasq behavior. In my own setting, I need dnsmasq to send a DNS domain to the guests to configure their /etc/resolv.conf properly. I also tried --domain=... argument in the command-line. However, it is not a very clean method to wrap dnsmasq by a script. -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 247583] Re: add option to start dnsmasq with a custom configuration file
On Thu, Sep 18, 2008 at 08:34:37PM -, Mario Manno wrote: I already have a bridge, a dhcp server and a dns cache. Do I really have to dpkg-divert the dnsmasq binary to stop libvirtd from starting it? Um.. No? You can just disable the dhcp server. Try this: $ virsh net-dumpxml default default-net.xml Use your favourite editor to remove the four lines starting with dhcp and ending with /ip, and change the preceding line from ip address='192.168.122.1' netmask='255.255.255.0' to ip address='192.168.122.1' netmask='255.255.255.0' / and finally do: $ virsh net-define default-net.xml Next time libvirtd starts, it won't start a DHCP server for you. I'm not sure why you want to do this though. dnsmasq shouldn't come into play when you're using bridged networking. -- Soren Hansen | Virtualisation specialist | Ubuntu Server Team Canonical Ltd. | http://www.ubuntu.com/ -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
I already have a bridge, a dhcp server and a dns cache. Do I really have to dpkg-divert the dnsmasq binary to stop libvirtd from starting it? -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Hi Mario, On Thu, Sep 18, 2008 at 08:34:37PM -, Mario Manno wrote: I already have a bridge, a dhcp server and a dns cache. Do I really have to dpkg-divert the dnsmasq binary to stop libvirtd from starting it? If you have a bridge and you're using it for your guest network libvirt should not start dnsmasq. -- Mathias Gug Ubuntu Developer http://www.ubuntu.com -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 247583] Re: add option to start dnsmasq with a custom configuration file
Will never ever happen. :) By design. Allowing you to pass arbitrary options to kvm, iptables and/or dnsmasq would result in an unknown and unmanagable environment. If you really, truly want this, you should replace dnsmasq with a wrapper that uses your configuration file. I'm curious what sort of options you want to add, though? Should we extend the network description xml to be able to describe it? -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 247583] Re: add option to start dnsmasq with a custom configuration file
On Fri, Jul 11, 2008 at 01:41:43PM -, Soren Hansen wrote: Will never ever happen. :) By design. Allowing you to pass arbitrary options to kvm, iptables and/or dnsmasq would result in an unknown and unmanagable environment. If you really, truly want this, you should replace dnsmasq with a wrapper that uses your configuration file. I'm curious what sort of options you want to add, though? Should we extend the network description xml to be able to describe it? I wanted to be able to set a domain name for my guests on my vm network so that dnsmasq can properly resolve dns queries from the host. Another option would be to enable the tftp server to do pxe booting on a virtual network. I've looked into doing that by extending the network description xml, but it required too much work. That's why I thought about starting dnsmasq with an extra configuration file. Being able to specify an extra configuration file would help in customizing the network configuration. But as you pointed out it can lead to an unknown/unmanagable environment. I would consider this as an advanced feature that would help customize the dnsmasq setup without having to change the network description xml. -- Mathias Gug Ubuntu Developer http://www.ubuntu.com -- add option to start dnsmasq with a custom configuration file https://bugs.launchpad.net/bugs/247583 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
