add script for generating commands needed for hotfix

scripts/hotfix.py

+#!/usr/bin/env python
+"""
+Script to generate alton and git commands for executing hotfixes
+Commands for:
+  - cutting amis
+  - creating hotfix tag
+
+The script should be run with the hotfix's git hash as a command-line argument.
+i.e. `python scripts/hotfix.py <hotfix hash>`
+"""
+from __future__ import print_function
+from datetime import date
+import sys
+import argparse
+import textwrap
+
+
+def generate_alton_commands(hotfix_hash):
+    """
+    Generates commands for alton to cut amis from the git hash of the hotfix.
+    """
+    template = textwrap.dedent("""
+    @alton cut ami for stage-edx-edxapp from prod-edx-edxapp with edx_platform_version={hotfix_hash}
+    @alton cut ami for prod-edge-edxapp from prod-edge-edxapp with edx_platform_version={hotfix_hash}
+    @alton cut ami for prod-edx-edxapp from prod-edx-edxapp with edx_platform_version={hotfix_hash}
+    """)
+    return template.strip().format(hotfix_hash=hotfix_hash)
+
+
+def generate_git_command(hotfix_hash):
+    """
+    Generates command to tag the git hash of the hotfix.
+    """
+    git_string = 'git tag -a hotfix-{iso_date} -m "Hotfix for {msg_date}" {hotfix_hash}'.format(
+        iso_date=date.today().isoformat(),
+        msg_date=date.today().strftime("%b %d, %Y"),
+        hotfix_hash=hotfix_hash,
+    )
+    return git_string
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Generate alton and git commands for hotfixes")
+    parser.add_argument("hash", help="git hash for hotfix")
+    args = parser.parse_args()
+
+    hotfix_hash = args.hash
+
+    print("\nHere are the alton commands to cut the hotfix amis:")
+    print(generate_alton_commands(hotfix_hash))
+
+    print("\nHere is the git command to generate the hotfix tag:")
+    print(generate_git_command(hotfix_hash))
+
+    print("\nOnce you create the git tag, push the tag by running:")
+    print("git push --tags\n")
+
+
+if __name__ == '__main__':
+    main()