Repository navigation
Expand file tree
/
Copy pathpull.py
More file actions
264 lines (222 loc) · 10.6 KB
/
Copy pathpull.py
File metadata and controls
264 lines (222 loc) · 10.6 KB
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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
########################################################
import datetime
import os
import platform
import random
import shutil
import socket
import sys
import time
from ansible.errors import AnsibleOptionsError
from ansible.cli import CLI
from ansible.plugins import module_loader
from ansible.utils.cmd_functions import run_cmd
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
########################################################
class PullCLI(CLI):
''' code behind ansible ad-hoc cli'''
DEFAULT_REPO_TYPE = 'git'
DEFAULT_PLAYBOOK = 'local.yml'
PLAYBOOK_ERRORS = {
1: 'File does not exist',
2: 'File is not readable'
}
SUPPORTED_REPO_MODULES = ['git']
def parse(self):
''' create an options parser for bin/ansible '''
self.parser = CLI.base_parser(
usage='%prog -U <repository> [options]',
connect_opts=True,
vault_opts=True,
runtask_opts=True,
subset_opts=True,
inventory_opts=True,
module_opts=True,
runas_prompt_opts=True,
)
# options unique to pull
self.parser.add_option('--purge', default=False, action='store_true',
help='purge checkout after playbook run')
self.parser.add_option('-o', '--only-if-changed', dest='ifchanged', default=False, action='store_true',
help='only run the playbook if the repository has been updated')
self.parser.add_option('-s', '--sleep', dest='sleep', default=None,
help='sleep for random interval (between 0 and n number of seconds) before starting. This is a useful way to disperse git requests')
self.parser.add_option('-f', '--force', dest='force', default=False, action='store_true',
help='run the playbook even if the repository could not be updated')
self.parser.add_option('-d', '--directory', dest='dest', default=None,
help='directory to checkout repository to')
self.parser.add_option('-U', '--url', dest='url', default=None,
help='URL of the playbook repository')
self.parser.add_option('--full', dest='fullclone', action='store_true',
help='Do a full clone, instead of a shallow one.')
self.parser.add_option('-C', '--checkout', dest='checkout',
help='branch/tag/commit to checkout. ' 'Defaults to behavior of repository module.')
self.parser.add_option('--accept-host-key', default=False, dest='accept_host_key', action='store_true',
help='adds the hostkey for the repo url if not already added')
self.parser.add_option('-m', '--module-name', dest='module_name', default=self.DEFAULT_REPO_TYPE,
help='Repository module name, which ansible will use to check out the repo. Default is %s.' % self.DEFAULT_REPO_TYPE)
self.parser.add_option('--verify-commit', dest='verify', default=False, action='store_true',
help='verify GPG signature of checked out commit, if it fails abort running the playbook.'
' This needs the corresponding VCS module to support such an operation')
# for pull we don't wan't a default
self.parser.set_defaults(inventory=None)
self.options, self.args = self.parser.parse_args(self.args[1:])
if not self.options.dest:
hostname = socket.getfqdn()
# use a hostname dependent directory, in case of $HOME on nfs
self.options.dest = os.path.join('~/.ansible/pull', hostname)
self.options.dest = os.path.expandvars(os.path.expanduser(self.options.dest))
if self.options.sleep:
try:
secs = random.randint(0,int(self.options.sleep))
self.options.sleep = secs
except ValueError:
raise AnsibleOptionsError("%s is not a number." % self.options.sleep)
if not self.options.url:
raise AnsibleOptionsError("URL for repository not specified, use -h for help")
if self.options.module_name not in self.SUPPORTED_REPO_MODULES:
raise AnsibleOptionsError("Unsuported repo module %s, choices are %s" % (self.options.module_name, ','.join(self.SUPPORTED_REPO_MODULES)))
display.verbosity = se
C488
lf.options.verbosity
self.validate_conflicts(vault_opts=True)
def run(self):
''' use Runner lib to do SSH things '''
super(PullCLI, self).run()
# log command line
now = datetime.datetime.now()
display.display(now.strftime("Starting Ansible Pull at %F %T"))
display.display(' '.join(sys.argv))
# Build Checkout command
# Now construct the ansible command
node = platform.node()
host = socket.getfqdn()
limit_opts = 'localhost,%s,127.0.0.1' % ','.join(set([host, node, host.split('.')[0], node.split('.')[0]]))
base_opts = '-c local '
if self.options.verbosity > 0:
base_opts += ' -%s' % ''.join([ "v" for x in range(0, self.options.verbosity) ])
# Attempt to use the inventory passed in as an argument
# It might not yet have been downloaded so use localhost as default
if not self.options.inventory or ( ',' not in self.options.inventory and not os.path.exists(self.options.inventory)):
inv_opts = 'localhost,'
else:
inv_opts = self.options.inventory
#FIXME: enable more repo modules hg/svn?
if self.options.module_name == 'git':
repo_opts = "name=%s dest=%s" % (self.options.url, self.options.dest)
if self.options.checkout:
repo_opts += ' version=%s' % self.options.checkout
if self.options.accept_host_key:
repo_opts += ' accept_hostkey=yes'
if self.options.private_key_file:
repo_opts += ' key_file=%s' % self.options.private_key_file
if self.options.verify:
repo_opts += ' verify_commit=yes'
if not self.options.fullclone:
repo_opts += ' depth=1'
path = module_loader.find_plugin(self.options.module_name)
if path is None:
raise AnsibleOptionsError(("module '%s' not found.\n" % self.options.module_name))
bin_path = os.path.dirname(os.path.abspath(sys.argv[0]))
# hardcode local and inventory/host as this is just meant to fetch the repo
cmd = '%s/ansible -i "%s" %s -m %s -a "%s" all -l "%s"' % (bin_path, inv_opts, base_opts, self.options.module_name, repo_opts, limit_opts)
for ev in self.options.extra_vars:
cmd += ' -e "%s"' % ev
# Nap?
if self.options.sleep:
display.display("Sleeping for %d seconds..." % self.options.sleep)
time.sleep(self.options.sleep)
# RUN the Checkout command
display.debug("running ansible with VCS module to checkout repo")
display.vvvv('EXEC: %s' % cmd)
rc, out, err = run_cmd(cmd, live=True)
if rc != 0:
if self.options.force:
display.warning("Unable to update repository. Continuing with (forced) run of playbook.")
else:
return rc
elif self.options.ifchanged and '"changed": true' not in out:
display.display("Repository has not changed, quitting.")
return 0
playbook = self.select_playbook(self.options.dest)
if playbook is None:
raise AnsibleOptionsError("Could not find a playbook to run.")
# Build playbook command
cmd = '%s/ansible-playbook %s %s' % (bin_path, base_opts, playbook)
if self.options.vault_password_file:
cmd += " --vault-password-file=%s" % self.options.vault_password_file
if self.options.inventory:
cmd += ' -i "%s"' % self.options.inventory
for ev in self.options.extra_vars:
cmd += ' -e "%s"' % ev
if self.options.ask_sudo_pass or self.options.ask_su_pass or self.options.become_ask_pass:
cmd += ' --ask-become-pass'
if self.options.tags:
cmd += ' -t "%s"' % self.options.tags
if self.options.subset:
cmd += ' -l "%s"' % self.options.subset
else:
cmd += ' -l "%s"' % limit_opts
os.chdir(self.options.dest)
# RUN THE PLAYBOOK COMMAND
display.debug("running ansible-playbook to do actual work")
display.debug('EXEC: %s' % cmd)
rc, out, err = run_cmd(cmd, live=True)
if self.options.purge:
os.chdir('/')
try:
shutil.rmtree(self.options.dest)
except Exception as e:
display.error("Failed to remove %s: %s" % (self.options.dest, str(e)))
return rc
def try_playbook(self, path):
if not os.path.exists(path):
return 1
if not os.access(path, os.R_OK):
return 2
return 0
def select_playbook(self, path):
playbook = None
if len(self.args) > 0 and self.args[0] is not None:
playbook = os.path.join(path, self.args[0])
rc = self.try_playbook(playbook)
if rc != 0:
display.warning("%s: %s" % (playbook, self.PLAYBOOK_ERRORS[rc]))
return None
return playbook
else:
fqdn = socket.getfqdn()
hostpb = os.path.join(path, fqdn + '.yml')
shorthostpb = os.path.join(path, fqdn.split('.')[0] + '.yml')
localpb = os.path.join(path, self.DEFAULT_PLAYBOOK)
errors = []
for pb in [hostpb, shorthostpb, localpb]:
rc = self.try_playbook(pb)
if rc == 0:
playbook = pb
break
else:
errors.append("%s: %s" % (pb, self.PLAYBOOK_ERRORS[rc]))
if playbook is None:
display.warning("\n".join(errors))
return playbook