chore: migrate from deprecated datetime.datetime.utcfromtimestamp (ca…

…nonical#5856)

canonicalGH-5175

cloudinit/analyze/__init__.py

@@ -5,7 +5,7 @@
 import argparse
 import re
 import sys
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import IO
 
 from cloudinit.analyze import dump, show
@@ -128,17 +128,21 @@ def analyze_boot(name, args):
     infh, outfh = configure_io(args)
     kernel_info = show.dist_check_timestamp()
     status_code, kernel_start, kernel_end, ci_sysd_start = kernel_info
-    kernel_start_timestamp = datetime.utcfromtimestamp(kernel_start)
-    kernel_end_timestamp = datetime.utcfromtimestamp(kernel_end)
-    ci_sysd_start_timestamp = datetime.utcfromtimestamp(ci_sysd_start)
+    kernel_start_timestamp = datetime.fromtimestamp(kernel_start, timezone.utc)
+    kernel_end_timestamp = datetime.fromtimestamp(kernel_end, timezone.utc)
+    ci_sysd_start_timestamp = datetime.fromtimestamp(
+        ci_sysd_start, timezone.utc
+    )
     try:
         last_init_local = [
             e
             for e in _get_events(infh)
             if e["name"] == "init-local"
             and "starting search" in e["description"]
         ][-1]
-        ci_start = datetime.utcfromtimestamp(last_init_local["timestamp"])
+        ci_start = datetime.fromtimestamp(
+            last_init_local["timestamp"], timezone.utc
+        )
     except IndexError:
         ci_start = "Could not find init-local log-line in cloud-init.log"
         status_code = show.FAIL_CODE

cloudinit/analyze/show.py

@@ -85,7 +85,9 @@ def event_timestamp(event):
 
 
 def event_datetime(event):
-    return datetime.datetime.utcfromtimestamp(event_timestamp(event))
+    return datetime.datetime.fromtimestamp(
+        event_timestamp(event), datetime.timezone.utc
+    )
 
 
 def delta_seconds(t1, t2):

cloudinit/reporting/handlers.py

@@ -10,7 +10,7 @@
 import threading
 import time
 import uuid
-from datetime import datetime
+from datetime import datetime, timezone
 from threading import Event
 from typing import Union
 
@@ -375,7 +375,9 @@ def _encode_event(self, event):
             "name": event.name,
             "type": event.event_type,
             "ts": (
-                datetime.utcfromtimestamp(event.timestamp).isoformat() + "Z"
+                datetime.fromtimestamp(
+                    event.timestamp, timezone.utc
+                ).isoformat()
             ),
         }
         if hasattr(event, self.RESULT_KEY):

cloudinit/sources/helpers/azure.py

@@ -10,7 +10,7 @@
 import textwrap
 import zlib
 from contextlib import contextmanager
-from datetime import datetime
+from datetime import datetime, timezone
 from time import sleep, time
 from typing import Callable, List, Optional, TypeVar, Union
 from xml.etree import ElementTree as ET  # nosec B405
@@ -122,9 +122,11 @@ def get_boot_telemetry():
         "boot-telemetry",
         "kernel_start=%s user_start=%s cloudinit_activation=%s"
         % (
-            datetime.utcfromtimestamp(kernel_start).isoformat() + "Z",
-            datetime.utcfromtimestamp(user_start).isoformat() + "Z",
-            datetime.utcfromtimestamp(cloudinit_activation).isoformat() + "Z",
+            datetime.fromtimestamp(kernel_start, timezone.utc).isoformat(),
+            datetime.fromtimestamp(user_start, timezone.utc).isoformat(),
+            datetime.fromtimestamp(
+                cloudinit_activation, timezone.utc
+            ).isoformat(),
         ),
         events.DEFAULT_EVENT_ORIGIN,
     )