twister: set both commit and run date in json report

Version is not enough, we need the run date but also the commit date, to
ease reporting and use in dashboards.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

scripts/pylib/twister/twisterlib/environment.py

@@ -13,6 +13,7 @@ import subprocess
 import shutil
 import re
 import argparse
+from datetime import datetime, timezone
 
 logger = logging.getLogger('twister')
 logger.setLevel(logging.DEBUG)
@@ -662,6 +663,8 @@ class TwisterEnv:
     def __init__(self, options=None) -> None:
         self.version = None
         self.toolchain = None
+        self.commit_date = None
+        self.run_date = None
         self.options = options
         if options and options.ninja:
             self.generator_cmd = "ninja"
@@ -690,6 +693,7 @@ class TwisterEnv:
     def discover(self):
         self.check_zephyr_version()
         self.get_toolchain()
+        self.run_date = datetime.now(timezone.utc).isoformat(timespec='seconds')
 
     def check_zephyr_version(self):
         try:
@@ -708,6 +712,14 @@ class TwisterEnv:
         except OSError:
             logger.info("Cannot read zephyr version.")
 
+        subproc = subprocess.run(["git", "show", "-s", "--format=%cI", "HEAD"],
+                                     stdout=subprocess.PIPE,
+                                     universal_newlines=True,
+                                     cwd=ZEPHYR_BASE)
+        if subproc.returncode == 0:
+            self.commit_date = subproc.stdout.strip()
+        else:
+            self.commit_date = "Unknown"
 
     @staticmethod
     def run_cmake_script(args=[]):

scripts/pylib/twister/twisterlib/reports.py

@@ -237,7 +237,9 @@ class Reporting:
         report = {}
         report["environment"] = {"os": os.name,
                                  "zephyr_version": version,
-                                 "toolchain": self.env.toolchain
+                                 "toolchain": self.env.toolchain,
+                                 "commit_date": self.env.commit_date,
+                                 "run_date": self.env.run_date
                                  }
         suites = []