Created
February 23, 2011 16:25
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deploy/distribute ssh public key to multiple hosts using Fabric
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| """ | |
| usage: | |
| fab -f distkeys.py set_hosts:/path/to/hosts_file add_key:/path/to/key | |
| Use --password and --user options as necessary | |
| Inspired by shell script at http://github.com/mlbright/mybin/raw/master/distkeys.sh | |
| Fabric recipe to distribute your ssh key to large number of hosts. | |
| Thanks to Jeff Forcier for clearing up the env.hosts setup. | |
| """ | |
| import sys | |
| import os | |
| from fabric.api import env, run | |
| SSH_HOME = "~/.ssh" | |
| AUTH_KEYS = "~/.ssh/authorized_keys" | |
| PUB_KEY = "~/.ssh/id_rsa.pub" | |
| HOSTS_FILE = "~/.hosts" | |
| def _get_public_key(key_file): | |
| with open(os.path.expanduser(key_file)) as fd: | |
| key = fd.readline().strip() | |
| return key | |
| # ---------------------------------------------------------------------------- # | |
| def set_hosts(filename=HOSTS_FILE): | |
| with open(os.path.expanduser(filename)) as fd: | |
| env.hosts = [ host.strip() for host in fd.readlines() ] | |
| def add_key(filename=PUB_KEY): | |
| commands = ( | |
| "mkdir -p %s;" | |
| "chmod 700 %s;" | |
| """echo "%s" >> %s;""" | |
| "chmod 644 %s;" | |
| ) | |
| t = (SSH_HOME,SSH_HOME,_get_public_key(filename),AUTH_KEYS,AUTH_KEYS) | |
| command = commands % t | |
| run(command) |
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