T689: Rewritten poweroff/reboot script to use systemd-shutdownd service

1 files changed, 102 insertions, 0 deletions

diff --git a/src/op_mode/powerctrl.py b/src/op_mode/powerctrl.py
new file mode 100755
index 000000000..0200a09e8
--- /dev/null
+++ b/src/op_mode/powerctrl.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+import os
+import sys
+import argparse
+from datetime import datetime, timedelta, time as type_time, date as type_date
+from subprocess import check_output,CalledProcessError,STDOUT
+import re
+
+def yn(msg, default=False):
+    default_msg = "[Y/n]" if default else "[y/N]"
+    while True:
+        sys.stdout.write("%s %s "  % (msg,default_msg))
+        c = input().lower()
+        if c == '':
+            return default
+        elif c in ("y", "ye","yes"):
+            return True
+        elif c in ("n", "no"):
+            return False
+        else:
+            sys.stdout.write("Please respond with yes/y or no/n\n")
+
+
+def valid_time(s):
+    try:
+        a = datetime.strptime(s, "%H:%M")
+        return True
+    except ValueError:
+        return False
+
+
+def check_shutdown():
+    try:
+        cmd = check_output(["/bin/systemctl","status","systemd-shutdownd.service"])
+        #Shutodwn is scheduled
+        r = re.findall(r'Status: \"(.*)\"\n', cmd.decode())[0]
+        print(r)
+    except CalledProcessError as e:
+        #Shutdown is not scheduled
+        print("Shutdown is not scheduled")
+
+def cancel_shutdown():
+    try:
+        cmd = check_output(["/sbin/shutdown","-c"])
+    except CalledProcessError as e:
+        sys.exit("Error aborting shutdown: %s" % e)
+
+def execute_shutdown(time, reboot = True, ask=True):
+    if not ask:
+        action = "reboot" if reboot else "poweroff"
+        if not yn("Are you sure you want to %s this system?" % action):
+            sys.exit(0)
+
+    if not (time.isdigit() or valid_time(time) or time.lower() == "now"):
+        sys.exit("minutes (45), valid time (12:34) or 'now' needs to be specified")
+
+    action = "-r" if reboot else "-P"
+    cmd = check_output(["/sbin/shutdown",action,time],stderr=STDOUT)
+
+    print(cmd.decode().split(",",1)[0])
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--yes", "-y",
+                        help="dont as for shutdown",
+                        action="store_true",
+                        dest="yes")
+    action = parser.add_mutually_exclusive_group(required=True)
+    action.add_argument("--reboot", "-r",
+                        help="Reboot the system",
+                        nargs="?",
+                        metavar="Minutes|HH:MM")
+
+    action.add_argument("--poweroff", "-p",
+                        help="Poweroff the system",
+                        nargs="?",
+                        metavar="Minutes|HH:MM")
+
+    action.add_argument("--cancel", "-c",
+                        help="Cancel pending shutdown",
+                        action="store_true")
+
+    action.add_argument("--check",
+                        help="Check pending chutdown",
+                        action="store_true")
+    args = parser.parse_args()
+
+    try:
+        if args.reboot:
+            execute_shutdown(args.reboot, reboot=True, ask=args.yes)
+        if args.poweroff:
+            execute_shutdown(args.poweroff, reboot=False,ask=args.yes)
+        if args.cancel:
+            cancel_shutdown()
+        if args.check:
+            check_shutdown()
+    except KeyboardInterrupt:
+        sys.exit("Interrupted")
+
+
+if __name__ == "__main__":
+    main()