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hostRunner

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资源说明：Tool for running scripts in parallel on multiple hosts

1. Description

hostRunner is a tool that can be used to check and/or execute commands on multiple hosts in parallel. It is highly customizable via the command line but with a bit of python knowledge it can easily be hacked to taste. The tool utilizes 2 thread pools, one to do the pinging to check if hosts are alive and one to execute the commands. For now hostRunner depends in 2 external tools, ping and plink or netcat (nc). The first is the standard ping used in any linux distro. Plink is part of the putty program which can be downloaded from http://www.chiark.greenend.org.uk/~sgtatham/putty/ and built from sources. Plink is used because it supports password passing unlike ssh. In order for the tool to operate all target hosts MUST be known, meaning you should have accepted their host keys. At this time hostRunner does not provide any expect-like funcionality although I plan to do so in the future. Netcat is not so straight-forward, as an open port and a listener must exist on the host.
The reports are .csv files with semi-colon separators. The absolute minimum columns reported are 2 in case the host is not online (;) or the just ping option is used (-j). In all other cases the minimum columns displayed are 4 (;;;). For easier access 2 links are created, latest_report and previous_report pointing to the respective files.

2. Requirements

- Python 2.4, or 2.6
- Putty for linux or Netcat
- ping

3. Usage

./hostRunner [options]

Default behaviour
If no command line options are used the folloing defaults are assumed:

1. Maximum number of threads per pool = 10
2. Thread timeout = 60s
3. IP's list file = ip_list.txt
4. Commands = Any file inside the cmd directory (they are all concatenated)
5. Password = Whatever is present in the DEFAULT_PASS variable

Options

--version show program's version number and exit

-h, --help show this help message and exit

-p PASSWD, --password=PASSWD
specify password to use
(default = `None`)

-P NOPINGTHREADS, --no-ping-threads=NOPINGTHREADS
specify number of ping threads to use.
(default = 10)

-C NOCOMMANDTHREADS, --no-command-threads=NOCOMMANDTHREADS
specify number of command threads to use.
(default = 10)

-i IPFILE, --ip-file=IPFILE
specify alternate ip list file.
(default = `ip_list.txt`)

-c CMD, --commands-file=CMD
specify a command file to use, otherwise whatever
is in the ./cmd directory will be used in
alphabetic order

-m CONNCMD, --connect-method=CONNCMD
specify the method to connect to hosts.
choices are 'plink', 'nc'.
(default = `plink`)

-j, --just-ping do not use a command file. Just ping the clients

-t TIMEOUT, --timeout=TIMEOUT
Set max time (in seconds) the command file will run
on a host. WARNING: Setting a timeout will double
the command threads executed. If timeout = 0 threads
will run until finished.
(default = 60)

4. Usage examples

./hostRunner -C 100 -P 100 -i ip.txt -c check_dirs.txt -p pass123

Start a hostRunner session with 100 threads for pinging, 100 to handle command execution. Use the ip's present in the ip.txt file (Line feed separated), run the commans found inside the check_dirs.txt file and use password pass123

./hostRunner -P 150 -j

Start a hostRunner session with 150 ping threads to check if hosts are alive. Their IP's will be found in the default file ip_list.txt

./hostRuner -P 80 -C 40 -t 30 -m nc

Start a hostRunner session with 80 ping threads 40 command threads and a thread timeout of 30s. Use netcat for communication. MUST edit hostRunner to set the NC_PORT to talk to (default=10000). The commands will be taken from the cmd directory and concatenated together

./hostRunner -C 100 -P 100 -i ip.txt -c check_dirs.txt -p pass123 -t 0

As the first example but without timeout

Email: pantelis DOT evgenidis AT gmail DOT com

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