> On Nov. 29, 2016, 7:02 p.m., Avinash sridharan wrote: > > src/slave/containerizer/mesos/launch.cpp, line 431 > > <https://reviews.apache.org/r/53627/diff/6/?file=1571137#file1571137line431> > > > > Wouldn't we need to set up something in `/etc/hosts`. I believe DNS > > lookups on the hostname would fail if the `/etc/nsswitch.conf` does not > > have `myhostname` set in the `hosts` field.
There's no requirement for the hostname to be resolvable or map to any IP address on the system. However, since the hostname is set by the framework, one option could be to set it to the name of the service VIP. - James ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/53627/#review157300 ----------------------------------------------------------- On Nov. 28, 2016, 5:07 p.m., James Peach wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/53627/ > ----------------------------------------------------------- > > (Updated Nov. 28, 2016, 5:07 p.m.) > > > Review request for mesos and Jie Yu. > > > Bugs: MESOS-6556 > https://issues.apache.org/jira/browse/MESOS-6556 > > > Repository: mesos > > > Description > ------- > > Implement a very simple namespaces/uts isolator that can be used to set > the hostname and domainname of a container without the necessity of a > CNI plugin. > > Since we already had a `hostname` field in the ContainerInfo, we can > use that to set the host name once we are in the UTS namespace. Add a > corresponding `domainname` to the ContainerInfo to allow setting the > domain name. > > > Diffs > ----- > > include/mesos/mesos.proto cbfcd8a666e0b4a486f6dcd9e8356c9d5a1cea05 > include/mesos/slave/containerizer.proto > 2621522ae59cf9275f607679b4678ac54508993d > src/Makefile.am 85eda538caf39f81f052896e744b7b0c724f81bb > src/cli/execute.cpp ddf7ecac21f2680c3027fafeb4194a2dd4a66d47 > src/slave/containerizer/mesos/containerizer.cpp > 9b33495d9babc3ee489a8712fe1977746c41043f > src/slave/containerizer/mesos/isolators/namespaces/uts.hpp PRE-CREATION > src/slave/containerizer/mesos/isolators/namespaces/uts.cpp PRE-CREATION > src/slave/containerizer/mesos/launch.hpp > 155e3c5a27b8c710971ee4b508600d3b5589a2e0 > src/slave/containerizer/mesos/launch.cpp > 320e42748adbabf09f77cb4f5951e2a7ea58fe64 > src/tests/containerizer/isolator_tests.cpp > 9766aaf144722b18d88f694ff37ffd53974cb60d > > Diff: https://reviews.apache.org/r/53627/diff/ > > > Testing > ------- > > make check. > > > Thanks, > > James Peach > >
