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mysql plugin needed some work

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This commit is contained in:
brent s 2019-06-02 11:56:41 -04:00
parent 118e1355bc
commit 68669a7fd5
1 changed files with 33 additions and 10 deletions
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33
storage/backups/borg/plugins/mysql.py
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@ -7,6 +7,8 @@ import warnings
_mysql_ssl_re = re.compile('^ssl-(.*)$')

# TODO: is it possible to do a pure-python dump via PyMySQL?
# TODO: add compression support? Not *that* necessary since borg has its own.
# in fact, it's better to not do it on the dumps directly so borg can diff/delta better.

class Backup(object):
def __init__(self, dbs = None,
@ -17,7 +19,7 @@ class Backup(object):
mysqlbin = 'mysql',
mysqldumpbin = 'mysqldump',
outdir = '~/.cache/backup/mysql'):
# If dbs is None, we dump ALL databases.
# If dbs is None, we dump ALL databases (that the user has access to).
self.dbs = dbs
self.cfgsuffix = cfgsuffix
self.splitdumps = splitdumps
@ -54,6 +56,7 @@ class Backup(object):
return()

def dump(self):
if self.splitdumps:
for db in self.dbs:
args = copy.deepcopy(self.dumpopts)
outfile = os.path.join(self.outdir, '{0}.sql'.format(db))
@ -61,13 +64,33 @@ class Backup(object):
args.append('--skip-lock-tables')
elif db == 'mysql':
args.append('--flush-privileges')
out = subprocess.run([self.mysqldumpbin,
'--result-file={0}'.format(outfile),
args,
db],
cmd = [self.mysqldumpbin,
'--result-file={0}'.format(outfile)]
cmd.extend(args)
cmd.append(db)
out = subprocess.run(cmd,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE)
if out.returncode != 0:
warn = ('Error dumping {0}: {1}').format(db, out.stderr.decode('utf-8').strip())
warnings.warn(warn)
else:
outfile = os.path.join(self.outdir, 'all.databases.sql')
args = copy.deepcopy(self.dumpopts)
args.append('--result-file={0}'.format(outfile))
if 'information_schema' in self.dbs:
args.append('--skip-lock-tables')
if 'mysql' in self.dbs:
args.append('--flush-privileges')
args.append(['--databases'])
cmd = [self.mysqldumpbin]
cmd.extend(args)
cmd.extend(self.dbs)
out = subprocess.run(cmd,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE)
if out.returncode != 0:
warn = ('Error dumping {0}: {1}').format(','.join(self.dbs),
out.stderr.decode('utf-8').strip())
warnings.warn(warn)
return()