live: add checksum field to image/create response

Report image checksum to ogserver through HTTP response.

1 files changed, 15 insertions, 4 deletions

diff --git a/src/live/ogOperations.py b/src/live/ogOperations.py
index 2d5146c..9c67728 100644
--- a/src/live/ogOperations.py
+++ b/src/live/ogOperations.py
@@ -157,15 +157,20 @@ class OgLiveOperations:
                 m.update(buf)
         return m.hexdigest()
 
-    def _write_md5_file(self, path):
+    def _md5_file(self, path):
+        if not os.path.exists(path):
+            raise OgError(f'Failed to calculate checksum, image file {path} does not exist')
+
+        return self._compute_md5(path)
+
+    def _write_md5_file(self, path, checksum):
         if not os.path.exists(path):
             raise OgError(f'Failed to calculate checksum, image file {path} does not exist')
 
         filename = path + ".full.sum"
-        dig = self._compute_md5(path)
         try:
             with open(filename, 'w') as f:
-                f.write(dig)
+                f.write(checksum)
         except:
             logging.error(f'Cannot write checksum {filename}')
             return -1
@@ -585,9 +590,15 @@ class OgLiveOperations:
         logging.info(f'Writing checksum file {name}.img.full.sum...')
         logging.info('*DO NOT REBOOT OR POWEROFF* the client during this time')
 
-        if self._write_md5_file(f'/opt/opengnsys/images/{name}.img') == -1:
+        checksum = self._md5_file(f'/opt/opengnsys/images/{name}.img')
+        if checksum == -1:
+            raise OgError(f'Cannot access {name}.full.sum file')
+
+        if self._write_md5_file(f'/opt/opengnsys/images/{name}.img', checksum) == -1:
             raise OgError(f'Cannot write {name}.full.sum file')
 
+        image_info.checksum = checksum
+
         self._restartBrowser(self._url)
 
         logging.info('Image creation command OK')