python-ssh
The Python based paralleling ssh tool, useful for batch executing ssh remote command against a bunch of servers.
It has some features you may be interested:
- use compressed hostname ranges, it tool will expand for you
- get server list from file
- support regex match of output, useful to indentify which servers is you wanted. (for example: list servers installed openssl-1.0.1a, Heartbleed impacted !)
- able to use jumpbox, with
--extra-arg='-At jumpbox-hostname ssh' - max number of parallel threads control
TODO
create a user friendly install package
Commandline Help
Usage: python-ssh [ -p <max parallel thread number> ] (-f filename | -r range) [ -l login_name ] command
Options:
--version show program's version number and exit
-h, --help show this help message and exit
-p PARALLEL, --parallel=PARALLEL
max number of parallel threads ,default is 10
-r RANGE, --range=RANGE
Range of nodes to operate on
-f FILENAME, --file=FILENAME
the host file which stores the host list
-l LOGIN_NAME, --login_name=LOGIN_NAME
Specifies the user to log in as on the remote machine.
This also may be specified on a per-host basis in the
configuration file
-X EXTRA_ARGUMENT, --extra-arg=EXTRA_ARGUMENT
Extra command-line argument. for example: -o
ConnectTimeOut=10
-e PATTERN, --regexp=PATTERN
Use PATTERN as the pattern; useful to protect
patterns beginning with -.
-v, --invert-match Invert the sense of matching, to select non-matching
lines.
Report any bugs to lichun.william@gmail.com
Hostname Ranges
The utility include er.py for expanding range expressiong, for example
www[01-99].google.com
db0[1-3].demonware.net
www[1-2].demonware.net,mysql01-9.mysql.com
er www[1-2].demonware.net,mysql0[1-9].mysql.com
www2.demonware.net
mysql08.mysql.com
mysql02.mysql.com
mysql03.mysql.com
mysql04.mysql.com
mysql05.mysql.com
mysql06.mysql.com
mysql07.mysql.com
mysql09.mysql.com
www1.demonware.net
mysql01.mysql.com
help
Usage: er expr1 [expr2 ...]
Expand host ranges with given expressions
positional arguments:
expr expressions to be expanded
optional arguments:
-h, --help show this help message and exit
-v, --version show program's version number and exit
-s, --sort sort the out put?
-f, --shuffle shuffle list?
-d DELIMITER, --delimiter DELIMITER
delimiter of the output, default is space
-n, --newline same as --delimiter='\n'
Report any bugs to lichun.william@gmail.com
Examples
Executing uname on 123 servers with default parrelling thread of 10.
pssh -lwilliam -r www[001-123].github.com -- uname
Check ntpd status, dry run, with maximun 2 executing simultaneously.
pssh -lroot -r db0[1-2].github.com,web2-9.github.com --dry-run -P 2 -- /etc/init.d/ntpd status
1 of 10 : =============== db01.github.com ===============
ssh -l root -o StrictHostKeyChecking=no db01.github.com /etc/init.d/ntpd status
2 of 10 : =============== db02.github.com ===============
ssh -l root -o StrictHostKeyChecking=no db02.github.com /etc/init.d/ntpd status
3 of 10 : =============== web3.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web3.github.com /etc/init.d/ntpd status
4 of 10 : =============== web4.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web4.github.com /etc/init.d/ntpd status
5 of 10 : =============== web8.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web8.github.com /etc/init.d/ntpd status
6 of 10 : =============== web5.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web5.github.com /etc/init.d/ntpd status
7 of 10 : =============== web2.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web2.github.com /etc/init.d/ntpd status
8 of 10 : =============== web7.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web7.github.com /etc/init.d/ntpd status
9 of 10 : =============== web9.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web9.github.com /etc/init.d/ntpd status
10 of 10 : =============== web6.github.com ===============
ssh -l root -o StrictHostKeyChecking=no web6.github.com /etc/init.d/ntpd status