/
run.py
178 lines (122 loc) · 4.21 KB
/
run.py
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
#!/usr/bin/python
import backup
import subprocess
import os
import sys
import shutil
from time import gmtime, strftime
from dateutil.parser import parse
import datetime
import gzip
import tarfile
import boto
import boto.s3.connection
from boto.s3.key import Key
def log( message ):
ts = '[' + strftime("%Y-%m-%d %H:%M:%S", gmtime()) + ']'
sys.stdout.write("\n")
sys.stdout.write(ts)
sys.stdout.write(' - ')
sys.stdout.write(message)
sys.stdout.flush()
def percent_cb(complete, total):
sys.stdout.write('.')
sys.stdout.flush()
def removeDir(path):
if os.path.isdir(path):
shutil.rmtree(path)
"""switch to scripts directory"""
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
s3conn = boto.connect_s3(
aws_access_key_id = backup.config.AWS_ACCESS_KEY_ID,
aws_secret_access_key = backup.config.AWS_SECRET_ACCESS_KEY,
host = backup.config.AWS_HOST,
calling_format = boto.s3.connection.OrdinaryCallingFormat()
)
date = strftime("%Y-%m-%d", gmtime())
for job in backup.config.jobs:
log(('job "%s" has been started' % (job['name']) ))
"""Open bucket, create if non existent"""
try:
bucket = s3conn.get_bucket(job['bucket'])
except Exception:
log(('bucket "%s" has been created' % (job['bucket']) ))
try:
bucket = s3conn.create_bucket(job['bucket'])
except Exception:
log(('ERROR could not create bucket "%s" - skipping!' % (job['bucket']) ))
continue
"""Find expired Backups"""
log('searching for outdated backups...')
rs = bucket.list()
for key in rs:
"""Calculate age of files"""
modified = parse(key.last_modified[:10])
current = datetime.datetime.now()
age = abs((current - modified).days)
if age > backup.config.MAX_STORAGE_DAYS:
print "%s is %s days old and will be deleted..." % (key.name,age)
bucket.delete_key(key)
"""Create temporary backup directory"""
directory = date + '/' + job['name']
if not os.path.exists(directory):
os.makedirs(directory)
"""Backup directories"""
if 'directories' in job :
for d in job['directories']:
rsync = 'rsync -avz '
if 'exc' in d:
for ex in d['exc']:
rsync+= "--exclude '" + ex + "' "
rsync+= '-e ' + ('ssh %s@%s:%s' % (job['user'],job['host'],d['src']))
rsync+= ' ' + directory + '/' + d['dst']
"""Retreive directory via rsync"""
log(('backing up %s...' % (d['src']) ))
fnull = open(os.devnull, 'w')
p = subprocess.Popen( rsync, shell=True, stdout=fnull, stderr=subprocess.STDOUT )
p.wait()
"""Compress directory"""
if os.path.isdir(directory + '/' + d['dst']):
log(('compressing directory %s...' % (d['src']) ))
tar = tarfile.open(directory + '/' + d['dst'] + ".tar.gz", "w|gz")
tar.add(directory + '/' + d['dst'])
tar.close()
log('deleting uncompressed directory...')
removeDir(directory + '/' + d['dst'])
"""Upload compressed directory"""
log('uploading %s' % (os.path.basename(tar.name)) )
k = Key(bucket)
k.key = date + '/' + os.path.basename( tar.name )
k.set_contents_from_filename(tar.name, cb=percent_cb, num_cb=10)
os.remove(tar.name)
del tar
else:
log(('ERROR - could not retreive directory %s. skipping.' % (d['src']) ))
"""Backup databases"""
if 'databases' in job:
for db in job['databases']:
log(('dumping database %s...' % (db['name'])) )
with open(directory + '/' + db['name']+'.sql', 'w') as rawdump:
subprocess.call(['mysqldump', '--host='+job['host'], '--user='+db['user'], '--password='+db['pass'], db['name']], stdout=rawdump)
"""Compress dump"""
log('compressing dump...')
rawdump = open(directory + '/' + db['name']+'.sql', 'rb')
zipdump = gzip.open(directory + '/' + db['name']+'.sql.gz', 'wb')
zipdump.writelines(rawdump)
zipdump.close()
rawdump.close()
log('deleting uncompressed file...')
os.remove(rawdump.name)
del rawdump
"""Upload zipped dump"""
log('uploading %s' % (os.path.basename(zipdump.name)) )
k = Key(bucket)
k.key = date + '/' + os.path.basename( zipdump.name )
k.set_contents_from_filename(zipdump.name, cb=percent_cb, num_cb=10)
os.remove(zipdump.name)
del zipdump
removeDir(directory)
log(('job "%s" completed!' % (job['name']) )+"\n")
removeDir(date)