Last change
on this file since 2512 was
2495,
checked in by adehnert, 15 years ago
|
Balance LVM requests (LP: #307361)
- Add "monocast" method to send remctl requests to exactly one
randomly-selected host.
- Send LVM requests to randomly-selected host for redundancy and
load-balancing (LP: #307361).
|
-
Property svn:executable set to
*
|
File size:
603 bytes
|
Line | |
---|
1 | #!/usr/bin/python |
---|
2 | |
---|
3 | """ |
---|
4 | Run an LVM command on one host, with failover for downed hosts. |
---|
5 | """ |
---|
6 | |
---|
7 | from invirt.remote import monocast |
---|
8 | import sys |
---|
9 | import os |
---|
10 | |
---|
11 | def main(argv): |
---|
12 | # Query each of the hosts. |
---|
13 | if(os.path.exists("/etc/invirt/nolvm")): |
---|
14 | sys.stderr.write("LVM operations are temporarily disabled for maintenance, sorry.\n") |
---|
15 | return 2 |
---|
16 | result = monocast(argv[1:]) |
---|
17 | #print "Hostname: %s; down=%s" % (result[0], result[1]) |
---|
18 | sys.stdout.write(result[3]) # stdout |
---|
19 | sys.stderr.write(result[4]) # stderr |
---|
20 | |
---|
21 | if __name__ == '__main__': |
---|
22 | sys.exit(main(sys.argv)) |
---|
23 | |
---|
24 | # vim:et:sw=4:ts=4 |
---|
Note: See
TracBrowser
for help on using the repository browser.