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
|
#!/usr/bin/python
# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, 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 subprocess
import sys
import cloudinit
import cloudinit.util as util
import cloudinit.CloudConfig as CC
import time
import logging
import errno
def warn(wstr):
sys.stderr.write(wstr)
def main():
cmds = ( "start", "start-local" )
cmd = ""
if len(sys.argv) > 1:
cmd = sys.argv[1]
if not cmd in cmds:
sys.stderr.write("bad command %s. use one of %s\n" % (cmd, cmds))
sys.exit(1)
now = time.strftime("%a, %d %b %Y %H:%M:%S %z",time.gmtime())
try:
uptimef=open("/proc/uptime")
uptime=uptimef.read().split(" ")[0]
uptimef.close()
except IOError as e:
warn("unable to open /proc/uptime\n")
uptime = "na"
source_type = "all"
if cmd == "start-local":
source_type = "local"
try:
cfg = cloudinit.get_base_cfg()
(outfmt, errfmt) = CC.get_output_cfg(cfg,"init")
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
msg = "cloud-init %s running: %s. up %s seconds" % (cmd, now, uptime)
sys.stderr.write(msg + "\n")
sys.stderr.flush()
cloudinit.logging_set_from_cfg(cfg)
log = logging.getLogger()
log.info(msg)
try:
cloudinit.initfs()
except Exception as e:
warn("failed to initfs, likely bad things to come: %s\n" % str(e))
# cache is not instance specific, so it has to be purged
# but we want 'start' to benefit from a cache if
# a previous start-local populated one
if cmd == "start-local":
cloudinit.purge_cache()
cloud = cloudinit.CloudInit(source_type=source_type)
try:
cloud.get_data_source()
except cloudinit.DataSourceNotFoundException as e:
sys.stderr.write("no instance data found in %s\n" % cmd)
sys.exit(1)
# set this as the current instance
cloud.set_cur_instance()
# store the metadata
cloud.update_cache()
msg = "found data source: %s" % cloud.datasource
sys.stderr.write(msg + "\n")
log.debug(msg)
# parse the user data (ec2-run-userdata.py)
try:
cloud.sem_and_run("consume_userdata", "once-per-instance",
cloud.consume_userdata,[],False)
except:
warn("consuming user data failed!\n")
raise
# finish, send the cloud-config event
cloud.initctl_emit()
cfg_path = cloudinit.get_ipath_cur("cloud_config")
cc = CC.CloudConfig(cfg_path, cloud)
# if the output config changed, update output and err
try:
outfmt_orig = outfmt
errfmt_orig = errfmt
(outfmt, errfmt) = CC.get_output_cfg(cc.cfg,"init")
if outfmt_orig != outfmt or errfmt_orig != errfmt:
warn("stdout, stderr changing to (%s,%s)" % (outfmt,errfmt))
CC.redirect_output(outfmt, errfmt)
except Exception as e:
warn("Failed to get and set output config: %s\n" % e)
module_list = CC.read_cc_modules(cc.cfg,"cloud_init_modules")
failures = []
if len(module_list):
failures = CC.run_cc_modules(cc,module_list,log)
else:
msg = "no cloud_init_modules to run"
sys.stderr.write(msg + "\n")
log.debug(msg)
sys.exit(0)
sys.exit(len(failures))
if __name__ == '__main__':
main()
|
