From 9263ca33c1d34f92684cdafcd20054abc49bf571 Mon Sep 17 00:00:00 2001
From: Alice Ferrazzi <alicef@gentoo.org>
Date: Fri, 4 Aug 2017 11:41:10 +0900
Subject: added live patch loader

we need to know if a live patch as really been applied for doing that
 the client can apply the patch and report back
 TODO: probably would nice to make it optional in the elivepatch arguments
---
 elivepatch_client/client/patch.py | 58 +++++++++++++++++++++++++++++++++------
 1 file changed, 50 insertions(+), 8 deletions(-)

diff --git a/elivepatch_client/client/patch.py b/elivepatch_client/client/patch.py
index ba086b5..c09f0b9 100644
--- a/elivepatch_client/client/patch.py
+++ b/elivepatch_client/client/patch.py
@@ -1,24 +1,66 @@
 
 import os
-
+import shutil
+import tempfile
+import subprocess
 
 class ManaGer(object):
 
     def __init__(self):
-        self.tmp_patch = os.path.join('/tmp', 'elivepatch')
-        if not os.path.exists(self.tmp_patch):
-            os.mkdir(self.tmp_patch)
+        self.tmp_patch_folder = os.path.join('/tmp', 'elivepatch')
+        if not os.path.exists(self.tmp_patch_folder):
+            os.mkdir(self.tmp_patch_folder)
 
     def list(self):
         patch_filename = []
-        for (dirpath, dirnames, filenames) in os.walk(self.tmp_patch):
+        for (dirpath, dirnames, filenames) in os.walk(self.tmp_patch_folder):
             patch_filename.extend(filenames)
             break
         print('List of current patches:')
         print(patch_filename)
 
-    def save(self, patch):
+    def load(self, patch_fulldir, livepatch_fulldir):
+        try:
+            command(['sudo','kpatch','load',livepatch_fulldir])
+            print('patch_fulldir:' + str(patch_fulldir) + ' livepatch_fulldir: '+ str(livepatch_fulldir))
+            self.save(patch_fulldir, livepatch_fulldir)
+        except:
+            print('failed to load the livepatch')
+
+    def save(self, patch, livepatch):
         i = 0
-        while os.path.exists("elivepatch_%s.patch" % i):
+        while os.path.exists(os.path.join(self.tmp_patch_folder, "elivepatch_%s" % i)):
             i += 1
-        fh = open("elivepatch_%s.patch" % i, "w")
\ No newline at end of file
+        path_folder = os.path.join(self.tmp_patch_folder, "elivepatch_%s" % i)
+        os.mkdir(path_folder)
+        shutil.copy(patch, os.path.join(path_folder, "elivepatch.patch"))
+        try:
+            shutil.copy(livepatch, os.path.join(path_folder, "elivepatch.ko"))
+        except:
+            pass
+
+
+def command(bashCommand, kernel_source_dir=None, env=None):
+    """
+    Popen override function
+
+    :param bashCommand: List of command arguments to execute
+    :param kernel_source_dir: the source directory of the kernel
+    :return: void
+    """
+    # Inherit the parent environment and update the private copy
+    if env:
+        process_env = os.environ.copy()
+        process_env.update(env)
+        env = process_env
+
+    if kernel_source_dir:
+        print(bashCommand)
+        process = subprocess.Popen(bashCommand, stdout=subprocess.PIPE,  cwd=kernel_source_dir, env=env)
+        output, error = process.communicate()
+        print(output)
+    else:
+        print(bashCommand)
+        process = subprocess.Popen(bashCommand, stdout=subprocess.PIPE, env=env)
+        output, error = process.communicate()
+        print(output)
-- 
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