Replace hard-coded paths with path constants

Several run() calls used hard-coded paths rather than pre-defined paths
from ipaplatform.paths. The patch fixes all places that I was able to
find with a simple search.

The fix simplifies Darix's port of freeIPA on openSuSE.

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>

ipapython/kernel_keyring.py

@@ -21,6 +21,7 @@ import os
 import six
 
 from ipapython.ipautil import run
+from ipaplatform.paths import paths
 
 # NOTE: Absolute path not required for keyctl since we reset the environment
 #       in ipautil.run.
@@ -33,34 +34,38 @@ from ipapython.ipautil import run
 KEYRING = '@s'
 KEYTYPE = 'user'
 
+
 def dump_keys():
     """
     Dump all keys
     """
-    result = run(['keyctl', 'list', KEYRING], raiseonerr=False,
+    result = run([paths.KEYCTL, 'list', KEYRING], raiseonerr=False,
                  capture_output=True)
     return result.output
 
+
 def get_real_key(key):
     """
     One cannot request a key based on the description it was created with
     so find the one we're looking for.
     """
     assert isinstance(key, six.string_types)
-    result = run(['keyctl', 'search', KEYRING, KEYTYPE, key],
+    result = run([paths.KEYCTL, 'search', KEYRING, KEYTYPE, key],
                  raiseonerr=False, capture_output=True)
     if result.returncode:
         raise ValueError('key %s not found' % key)
     return result.raw_output.rstrip()
 
+
 def get_persistent_key(key):
     assert isinstance(key, six.string_types)
-    result = run(['keyctl', 'get_persistent', KEYRING, key],
+    result = run([paths.KEYCTL, 'get_persistent', KEYRING, key],
                  raiseonerr=False, capture_output=True)
     if result.returncode:
         raise ValueError('persistent key %s not found' % key)
     return result.raw_output.rstrip()
 
+
 def is_persistent_keyring_supported():
     uid = os.geteuid()
     try:
@@ -70,6 +75,7 @@ def is_persistent_keyring_supported():
 
     return True
 
+
 def has_key(key):
     """
     Returns True/False whether the key exists in the keyring.
@@ -81,6 +87,7 @@ def has_key(key):
     except ValueError:
         return False
 
+
 def read_key(key):
     """
     Read the keyring and return the value for key.
@@ -89,13 +96,14 @@ def read_key(key):
     """
     assert isinstance(key, six.string_types)
     real_key = get_real_key(key)
-    result = run(['keyctl', 'pipe', real_key], raiseonerr=False,
+    result = run([paths.KEYCTL, 'pipe', real_key], raiseonerr=False,
                  capture_output=True)
     if result.returncode:
         raise ValueError('keyctl pipe failed: %s' % result.error_log)
 
     return result.raw_output
 
+
 def update_key(key, value):
     """
     Update the keyring data. If they key doesn't exist it is created.
@@ -104,13 +112,14 @@ def update_key(key, value):
     assert isinstance(value, bytes)
     if has_key(key):
         real_key = get_real_key(key)
-        result = run(['keyctl', 'pupdate', real_key], stdin=value,
+        result = run([paths.KEYCTL, 'pupdate', real_key], stdin=value,
                      raiseonerr=False)
         if result.returncode:
             raise ValueError('keyctl pupdate failed: %s' % result.error_log)
     else:
         add_key(key, value)
 
+
 def add_key(key, value):
     """
     Add a key to the kernel keyring.
@@ -119,18 +128,19 @@ def add_key(key, value):
     assert isinstance(value, bytes)
     if has_key(key):
         raise ValueError('key %s already exists' % key)
-    result = run(['keyctl', 'padd', KEYTYPE, key, KEYRING],
+    result = run([paths.KEYCTL, 'padd', KEYTYPE, key, KEYRING],
                  stdin=value, raiseonerr=False)
     if result.returncode:
         raise ValueError('keyctl padd failed: %s' % result.error_log)
 
+
 def del_key(key):
     """
     Remove a key from the keyring
     """
     assert isinstance(key, six.string_types)
     real_key = get_real_key(key)
-    result = run(['keyctl', 'unlink', real_key, KEYRING],
+    result = run([paths.KEYCTL, 'unlink', real_key, KEYRING],
                  raiseonerr=False)
     if result.returncode:
         raise ValueError('keyctl unlink failed: %s' % result.error_log)