Be able to resolve hostname

Copy /etc/hosts from host when resolver configuration is being
copied, otherwise add hostname as a loopback alias.

2 files changed, 17 insertions, 7 deletions

diff --git a/py/mock.py b/py/mock.py
index 408b421..dd5d1af 100755
--- a/py/mock.py
+++ b/py/mock.py
@@ -40,6 +40,7 @@ import pwd
 import sys
 import time
 from optparse import OptionParser
+from socket import gethostname
 
 # all of the variables below are substituted by the build system
 __VERSION__ = "unreleased_version"
@@ -268,7 +269,6 @@ def setup_default_config_opts(config_opts, unprivUid):
     config_opts['yum.conf'] = ''
     config_opts['more_buildreqs'] = {}
     config_opts['files'] = {}
-    config_opts['files']['etc/hosts'] = "127.0.0.1 localhost localhost.localdomain\n"
     config_opts['macros'] = {
         '%_topdir': '%s/build' % config_opts['chroothome'],
         '%_rpmfilename': '%%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm',
@@ -519,6 +519,10 @@ def main(ret):
     # cmdline options override config options
     set_config_opts_per_cmdline(config_opts, options, args)
 
+    # default /etc/hosts contents
+    if not config_opts['use_host_resolv'] and not config_opts['files'].has_key('etc/hosts'):
+        config_opts['files']['etc/hosts'] = "127.0.0.1 localhost localhost.localdomain %s\n" % gethostname();
+
     # elevate privs
     uidManager._becomeUser(0, 0)
 
diff --git a/py/mock/backend.py b/py/mock/backend.py
index 86b3fb7..78358c7 100644
--- a/py/mock/backend.py
+++ b/py/mock/backend.py
@@ -227,13 +227,19 @@ class Root(object):
             pass
         os.symlink('yum/yum.conf', self.makeChrootPath("etc", "yum.conf"))
 
-        # set up resolv.conf
+        # set up resolver configuration
         if self.use_host_resolv:
-            resolvdir = self.makeChrootPath('etc')
-            resolvpath = self.makeChrootPath('etc', 'resolv.conf')
-            if os.path.exists(resolvpath):
-                os.remove(resolvpath)
-            shutil.copy2('/etc/resolv.conf', resolvdir)
+            etcdir = self.makeChrootPath('etc')
+
+            resolvconfpath = self.makeChrootPath('etc', 'resolv.conf')
+            if os.path.exists(resolvconfpath):
+                os.remove(resolvconfpath)
+            shutil.copy2('/etc/resolv.conf', etcdir)
+
+            hostspath = self.makeChrootPath('etc', 'hosts')
+            if os.path.exists(hostspath):
+                os.remove(hostspath)
+            shutil.copy2('/etc/hosts', etcdir)
 
         # files in /etc that need doing
         for key in self.chroot_file_contents: