** Description changed: - Having an interface file such as /run/net-eno2.conf with the following - content: + [Impact] + + * open-iscsi is adding "domainsearch", a non-existent configuration + option, instead of "search" in /etc/resolv.conf. As a result, the search + list is ignored in the clients. + + [Test case] + + * Install an ubuntu machine that uses iscsi as root. + * Prepare the dhcp server to provide the search list to its clients. For instance, in dnsmasq: + + dhcp-option=option:domain-search,canonical.com + + * Boot the machine and check the content of /etc/resolv.conf + - if domainsearch is present, the search list will be ignored: + + root@iscsi-xenial:/home/ubuntu# ping -c1 golem + ping: unknown host golem + + root@iscsi-xenial:/home/ubuntu# strace ping -c1 golem 2>&1 | grep golem + execve("/bin/ping", ["ping", "-c1", "golem"], [/* 19 vars */]) = 0 + sendto(4, "_(\1\0\0\1\0\0\0\0\0\0\5golem\0\0\1\0\1", 23, MSG_NOSIGNAL, NULL, 0) = 23 + recvfrom(4, "_(\201\203\0\1\0\0\0\0\0\0\5golem\0\0\1\0\1", 1024, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("192.168.122.1")}, [16]) = 23 + write(2, "ping: unknown host golem\n", 25ping: unknown host golem + + - if search is present, the search list will be used: + + root@iscsi-xenial:/home/ubuntu# ping -c1 golem + PING golem.canonical.com (91.189.89.199) 56(84) bytes of data. + 64 bytes from golem.canonical.com (91.189.89.199): icmp_seq=1 ttl=57 time=63.7 ms + + --- golem.canonical.com ping statistics --- + 1 packets transmitted, 1 received, 0% packet loss, time 0ms + rtt min/avg/max/mdev = 63.735/63.735/63.735/0.000 ms + + root@iscsi-xenial:/home/ubuntu# strace ping -c1 golem 2>&1 | grep golem + execve("/bin/ping", ["ping", "-c1", "golem"], [/* 19 vars */]) = 0 + sendto(4, "\1\\\1\0\0\1\0\0\0\0\0\0\5golem\tcanonical\3com"..., 37, MSG_NOSIGNAL, NULL, 0) = 37 + recvfrom(4, "\1\\\201\200\0\1\0\1\0\0\0\0\5golem\tcanonical\3com"..., 1024, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("192.168.122.1")}, [16]) = 53 + write(1, "PING golem.canonical.com (91.189"..., 145PING golem.canonical.com (91.189.89.199) 56(84) bytes of data. + 64 bytes from golem.canonical.com (91.189.89.199): icmp_seq=1 ttl=57 time=63.5 ms + write(1, "--- golem.canonical.com ping sta"..., 157--- golem.canonical.com ping statistics --- + + [Regression potential] + + * None + + [Other info] + + * resolv.conf man page: http://man7.org/linux/man- + pages/man5/resolv.conf.5.html + + [Original description] + + + Having an interface file such as /run/net-eno2.conf with the following content: DEVICE='eno2' PROTO='dhcp' IPV4ADDR='10.10.10.10' IPV4BROADCAST='10.10.10.255' IPV4NETMASK='255.255.255.0' IPV4GATEWAY='10.10.10.1' IPV4DNS0='169.254.169.254' IPV4DNS1='0.0.0.0' HOSTNAME='' DNSDOMAIN='test.com' NISDOMAIN='' ROOTSERVER='169.254.169.254' ROOTPATH='' filename='/ipxe.efi' UPTIME='45' DHCPLEASETIME='86400' DOMAINSEARCH='test.com' net-interface-handler translates it to: nameserver 169.254.169.254 domainsearch test.com instead of: nameserver 169.254.169.254 search test.com The problem is that domainsearch is not a valid configuration option for /etc/resolv.conf and is ignored.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1791108 Title: open-iscsi uses domainsearch instead of search for /etc/resolv.conf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1791108/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs