Merge ~alexmurray/ubuntu-qa-tools:jammy-soft-freeze-check into ubuntu-qa-tools:master

[Alex Murray]

Try and make sure we don't inadvertently publish to jammy whilst it is in soft-freeze for 22.04.1

[Ray Veldkamp (rayveldkamp)]

lgtm!

diff --git a/security-tools/unembargo b/security-tools/unembargo
index ad94ce9..7b5a5a4 100755
--- a/security-tools/unembargo
+++ b/security-tools/unembargo
@@ -18,6 +18,7 @@
 #  ./unembargo --esm $PKG
 
 from __future__ import print_function
+import datetime
 import sys
 import time
 import argparse
@@ -80,6 +81,8 @@ parser.add_argument("--source-pocket", help="The pocket to restrict the copy "
                     metavar="SOURCE_POCKET", action='store', default=None)
 parser.add_argument("--include-devel", help="Include development release",
                     action='store_true', default=False)
+parser.add_argument("-f", "--force", help="Force unembargo even if the release is in freeze.",
+                    action='store_true', default=False)
 
 (opt, args) = parser.parse_known_args()
 if len(args) < 1:
@@ -156,7 +159,26 @@ for pkg_name in args:
         if len(seen[series_name]) > 1:
             seen[series_name] = sorted(seen[series_name], cmp=lambda x, y: apt_pkg.version_compare(
                 x.source_package_version, y.source_package_version), reverse=True)
-        unembargo.append(seen[series_name][0])
+        # lookup series milestones and warn if any are approaching
+        series = ubuntu.getSeries(name_or_version=series_name)
+        now = datetime.datetime.now()
+        frozen = False
+        for milestone in series.all_milestones:
+            if milestone.date_targeted is None:
+                continue
+            if now < milestone.date_targeted and milestone.date_targeted < now + datetime.timedelta(days=7):
+                print("WARNING: %s is approaching milestone %s (due %s)" %
+                      (series_name, milestone.name,
+                       time.strftime("%Y-%m-%d", milestone.date_targeted.timetuple())))
+                print("NOTE: Please coordinate with the #ubuntu-release team before releasing.")
+                if not opt.force:
+                    print("NOTE: To override this check and publish anyway please use the --force flag.")
+                    print("NOTE: unembargo for %s will be skipped." % (series_name))
+                    frozen = True
+                else:
+                    print("NOTE: unembargo for %s will continue due to use of --force." % (series_name))
+        if not frozen:
+            unembargo.append(seen[series_name][0])
 
     # Publish
     for source_item in unembargo: