Allow missing rhn.conf file

Now that rhnLog looks for the apache user and group in rhn.conf unit
tests are failing if the file is not present. Use openSUSE values as
default if rhn.conf is not available.

python/spacewalk/common/rhnConfig.py

@@ -100,6 +100,9 @@ def is_initialized(self):
     def modifiedYN(self):
         """returns last modified time diff if rhn.conf has changed."""
 
+        if not os.path.exists(self.filename):
+            return 0
+
         try:
             si = os.stat(self.filename)
         except OSError:
@@ -142,7 +145,8 @@ def parse(self):
 
         # Now that we parsed the defaults, we parse the multi-key
         # self.filename configuration (ie, /etc/rhn/rhn.conf)
-        self.__parsedConfig = parse_file(self.filename)
+        if os.path.exists(self.filename):
+            self.__parsedConfig = parse_file(self.filename)
 
         # And now generate and cache the current component
         self.__merge()

python/spacewalk/common/rhnLog.py

@@ -100,7 +100,7 @@ def initLOG(log_file="stderr", level=0, component=""):
 
         # fetch uid, gid so we can do a "chown ..."
         with cfg_component(component=None) as CFG:
-            apache_uid, apache_gid = getUidGid(CFG.httpd_user, CFG.httpd_group)
+            apache_uid, apache_gid = getUidGid(CFG.get('httpd_user', 'wwwrun'), CFG.get('httpd_group', 'www'))
 
         try:
             os.makedirs(log_path)
@@ -187,7 +187,7 @@ def __init__(self, log_file, level, component):
             set_close_on_exec(self.fd)
             if newfileYN:
                 with cfg_component(component=None) as CFG:
-                    apache_uid, apache_gid = getUidGid(CFG.httpd_user, CFG.httpd_group)
+                    apache_uid, apache_gid = getUidGid(CFG.get('httpd_user', 'wwwrun'), CFG.get('httpd_group', 'www'))
                 os.chown(self.file, apache_uid, apache_gid)
                 os.chmod(self.file, int('0660', 8))
         except:

python/spacewalk/spacewalk-backend.changes.cbosdo.rhnconfig-nofile

@@ -0,0 +1 @@
+- Accept missing rhn.conf file

python/uyuni/common/fileutils.py

@@ -301,9 +301,9 @@ def createPath(path, user=None, group=None, chmod=int('0755', 8)):
     """
     with cfg_component(component=None) as CFG:
         if user is None:
-            user = CFG.httpd_user
+            user = CFG.get('httpd_user', 'wwwrun')
         if group is None:
-            group = CFG.httpd_group
+            group = CFG.get('httpd_group', 'www')
 
     path = cleanupAbsPath(path)
     if not os.path.exists(path):
@@ -324,7 +324,7 @@ def setPermsPath(path, user=None, group='root', chmod=int('0750', 8)):
     """chown user.group and set permissions to chmod"""
     if user is None:
         with cfg_component(component=None) as CFG:
-            user = CFG.httpd_user
+            user = CFG.get('httpd_user', 'wwwrun')
 
     if not os.path.exists(path):
         raise OSError("*** ERROR: Path doesn't exist (can't set permissions): %s" % path)

python/uyuni/uyuni-common-libs.changes.cbosdo.rhnconfig-nofile

@@ -0,0 +1 @@
+- Accept missing rhn.conf file