1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
#!/usr/bin/env python3
#
# Copyright (C) 2018 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import argparse
import re
from datetime import datetime, timedelta, time as type_time, date as type_date
from vyos.util import ask_yes_no
from vyos.util import cmd, run
systemd_sched_file = "/run/systemd/shutdown/scheduled"
def parse_time(s):
try:
if re.match(r'^\d{1,2}$', s):
return datetime.strptime(s, "%M").time()
else:
return datetime.strptime(s, "%H:%M").time()
except ValueError:
return None
def parse_date(s):
for fmt in ["%d%m%Y", "%d/%m/%Y", "%d.%m.%Y", "%d:%m:%Y", "%Y-%m-%d"]:
try:
return datetime.strptime(s, fmt).date()
except ValueError:
continue
# If nothing matched...
return None
def get_shutdown_status():
if os.path.exists(systemd_sched_file):
# Get scheduled from systemd file
with open(systemd_sched_file, 'r') as f:
data = f.read().rstrip('\n')
r_data = {}
for line in data.splitlines():
tmp_split = line.split("=")
if tmp_split[0] == "USEC":
# Convert USEC to human readable format
r_data['DATETIME'] = datetime.utcfromtimestamp(int(tmp_split[1])/1000000).strftime('%Y-%m-%d %H:%M:%S')
else:
r_data[tmp_split[0]] = tmp_split[1]
return r_data
return None
def check_shutdown():
output = get_shutdown_status()
if output and 'MODE' in output:
if output['MODE'] == 'reboot':
print("Reboot is scheduled", output['DATETIME'])
elif output['MODE'] == 'poweroff':
print("Poweroff is scheduled", output['DATETIME'])
else:
print("Reboot or poweroff is not scheduled")
def cancel_shutdown():
output = get_shutdown_status()
if output and 'MODE' in output:
timenow = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
try:
cmd('/sbin/shutdown -c --no-wall')
except OSError as e:
sys.exit("Could not cancel a reboot or poweroff: %s" % e)
message = "Scheduled %s has been cancelled %s" % (output['MODE'], timenow)
run(f'wall {message}')
else:
print("Reboot or poweroff is not scheduled")
def execute_shutdown(time, reboot = True, ask=True):
if not ask:
action = "reboot" if reboot else "poweroff"
if not ask_yes_no("Are you sure you want to %s this system?" % action):
sys.exit(0)
action = "-r" if reboot else "-P"
if len(time) == 0:
### T870 legacy reboot job support
chk_vyatta_based_reboots()
###
out = cmd(f'/sbin/shutdown {action} now')
print(out.split(",",1)[0])
return
elif len(time) == 1:
# Assume the argument is just time
ts = parse_time(time[0])
if ts:
cmd(f'/sbin/shutdown {action} {time[0]}')
else:
sys.exit("Invalid time \"{0}\". The valid format is HH:MM".format(time[0]))
elif len(time) == 2:
# Assume it's date and time
ts = parse_time(time[0])
ds = parse_date(time[1])
if ts and ds:
t = datetime.combine(ds, ts)
td = t - datetime.now()
t2 = 1 + int(td.total_seconds())//60 # Get total minutes
cmd('/sbin/shutdown {action} {t2}')
else:
if not ts:
sys.exit("Invalid time \"{0}\". The valid format is HH:MM".format(time[0]))
else:
sys.exit("Invalid time \"{0}\". A valid format is YYYY-MM-DD [HH:MM]".format(time[1]))
else:
sys.exit("Could not decode date and time. Valids formats are HH:MM or YYYY-MM-DD HH:MM")
check_shutdown()
def chk_vyatta_based_reboots():
### T870 commit-confirm is still using the vyatta code base, once gone, the code below can be removed
### legacy scheduled reboot s are using at and store the is as /var/run/<name>.job
### name is the node of scheduled the job, commit-confirm checks for that
f = r'/var/run/confirm.job'
if os.path.exists(f):
jid = open(f).read().strip()
if jid != 0:
run(f'sudo atrm {jid}')
os.remove(f)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--yes", "-y",
help="Do not ask for confirmation",
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 is not None:
execute_shutdown(args.reboot, reboot=True, ask=args.yes)
if args.poweroff is not None:
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()
|
