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
|
#!/usr/bin/python
import os
import sys
import getopt
import subprocess
import socket
import tempfile
import yaml
config_path = os.path.expanduser("~")+"/.config/data-sync.yaml"
text_red = '\033[31m'
text_blue = '\033[34m'
text_green = '\033[32m'
text_cyan = '\033[36m'
text_bold = '\033[1m'
text_reset = '\033[0m'
class data_sync():
hosts = []
diff = False
merge = False
# config
def config_load(self):
s = open(config_path, "r")
y = yaml.load(s, Loader = yaml.SafeLoader)
s.close()
self.hostname = socket.gethostname()
self.hosts = y["hosts"]
# hosts
def host_find(self, name):
for host in self.hosts:
if host["name"] == name:
return host
return None
def host_target_check(self, host, target):
if "targets" not in host:
return False
for entry in host["targets"]:
if entry["label"] == target:
return True
return False
# excludes
def excludes_prepare(self, entry):
if "excludes" not in entry:
return None
fd, path = tempfile.mkstemp()
s = os.fdopen(fd, 'w')
for exclude in entry["excludes"]:
s.write(entry["path"]+exclude+"\n")
return path
def excludes_cleanup(self, excludes_path):
os.unlink(excludes_path)
# rsync
def rsync_address(self, host, path):
if host["name"] == self.hostname or ("location" in host and host["location"] == "local"):
return path
else:
address = ""
if "user" in host:
address += host["user"]+"@"
if "address" in host:
address += host["address"]
else:
address += host["name"]
address += ":" + path
return address
def rsync_command(self, source, source_path, sink, sink_path, excludes_path):
rsync_command = [ "rsync", "-a", "-s", "--progress" ]
if not self.merge:
rsync_command += [ "--delete" ]
if self.diff:
rsync_command += [ "--dry-run" ]
if excludes_path:
rsync_command += [ "--exclude-from="+excludes_path ]
rsync_command += [ self.rsync_address(source, source_path) ]
rsync_command += [ self.rsync_address(sink, sink_path) ]
return rsync_command
# sync
def sync_target(self, source, sink, target):
print("Sync target "+target+" between "+source["name"]+" and "+sink["name"])
def sync_targets(self, source, sink, targets):
targets_list = []
for target in targets:
if self.host_target_check(source, target) and self.host_target_check(sink, target):
targets_list.append(target)
if len(targets_list) == 0:
return 1
for target in targets_list:
self.sync_target(source, sink, target)
return 0
def sync_data_entry(self, source, sink, sync_host, entry):
print("\nSync "+text_green+text_bold+entry["path"]+text_reset+" from "+text_cyan+source["name"]+text_reset+" to "+text_cyan+sink["name"]+text_reset+" started")
if "base" in entry:
base = entry["base"]
else:
base = source["base"]
source_path = os.path.join(base, entry["path"])
sink_path = os.path.join(sink["base"], sync_host["path"]) + "/"
excludes_path = self.excludes_prepare(entry)
command = self.rsync_command(source, source_path, sink, sink_path, excludes_path)
subprocess.call(command)
if excludes_path:
self.excludes_cleanup(excludes_path)
print("\nSync "+text_green+text_bold+entry["path"]+text_reset+" from "+text_cyan+source["name"]+text_reset+" to "+text_cyan+sink["name"]+text_reset+" finished")
def sync_data(self, source, sink, targets):
found = False
print("Sync data from "+text_cyan+text_bold+source["name"]+text_reset+" to "+text_cyan+text_bold+sink["name"]+text_reset)
sync_host = None
if "sync-hosts" not in sink:
return 1
for entry in sink["sync-hosts"]:
if entry["name"] == source["name"]:
sync_host = entry
if sync_host is None:
print(sink["name"]+" is not a sync host for "+source["name"])
if "data" not in source:
return 1
for entry in source["data"]:
if len(targets) > 0 and entry["path"] not in targets:
continue
self.sync_data_entry(source, sink, sync_host, entry)
found = True
if not found:
return 1
return 0
def main(self):
global config_path
opts, args = getopt.getopt(sys.argv[1:], "mdc:")
for key, value in opts:
if key == "-m":
self.merge = True
elif key == "-d":
self.diff = True
elif key == "-c":
config_path = value
if len(args) < 2:
return 1
source_name = args[0]
sink_name = args[1]
targets = args[2:]
self.config_load()
source = self.host_find(source_name)
if source is None:
print("Unknown source host: "+source_name)
return 1
sink = self.host_find(sink_name)
if sink is None:
print("Unknown sink host: "+sink_name)
return 1
if len(targets) == 0:
return self.sync_data(source, sink, targets)
ret = self.sync_targets(source, sink, targets)
if ret != 0:
ret = self.sync_data(source, sink, targets)
if ret != 0:
print("No common target or data to sync")
return ret
if __name__ == "__main__":
sys.exit(data_sync().main())
|
