fix two reproducible build issues

Fixed two reproducible builds issues found by Bernhard Wiedemann.

Signed-off-by: Marcus Meissner <[email protected]>

ssg/build_yaml.py

@@ -8,6 +8,7 @@
 
 from copy import deepcopy
 import datetime
+import time
 import json
 import os
 import os.path
@@ -741,7 +742,7 @@ def _create_benchmark_xml_skeleton(self, env_yaml):
         root.set('xml:lang', 'en-US')
 
         status = ET.SubElement(root, '{%s}status' % XCCDF12_NS)
-        status.set('date', datetime.date.today().strftime("%Y-%m-%d"))
+        status.set('date', time.strftime( "%Y-%m-%d", time.gmtime(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))))
         status.text = self.status
 
         add_sub_element(root, "title", XCCDF12_NS, self.title)

utils/create_scap_delta_tailoring.py

@@ -2,6 +2,7 @@
 
 import argparse
 import datetime
+import time
 import json
 import os
 import re
@@ -165,10 +166,11 @@ def setup_tailoring_profile(profile_id, profile_root):
 
 
 def _get_datetime():
-    try:
-        return datetime.datetime.now(datetime.UTC).isoformat()
-    except AttributeError:
-        return datetime.datetime.utcnow().isoformat()
+    return datetime.datetime.fromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time()))).isoformat()
+    #try:
+    #    return datetime.datetime.now(datetime.UTC).isoformat()
+    #except AttributeError:
+    #    return datetime.datetime.utcnow().isoformat()
 
 
 def create_tailoring(args):