david/sshbackup
david
/
sshbackup
Archived
1
0
Fork 0
Code

added deployment feature

This commit is contained in:
david 2013-07-07 19:56:31 +02:00
parent 07d1c76f63
commit 212c211d22
1 changed files with 39 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
sshbackup
View File

@ -31,7 +31,7 @@ usage()
echo " -s, --sshkey <file> alternate sshkey [~/.ssh/id_rsa]"
echo " -b, --bandwidth <kbps> bandwidth limit in kbit/s"
echo
echo " -d, --deploy <hostname> deploy settings to remote host"
echo " -d, --deploy deploy settings to remote host"
echo " -n, --no-root run without root privileges"
echo
}
@ -44,21 +44,6 @@ version()
echo
}
pipewrap()
{
echo $1
local lockfile=$2;
while true; do
if [ ! -e $lockfile ]; then
return 0
fi
read -t 1 line
if [ $? -eq 0 ]; then
echo $line
fi
done
}
interactive()
{
tty -s
@ -91,17 +76,38 @@ findhome()
echo $home
}
#this function is needed to pass on the
#password to the remote sudo command
pipewrap()
{
echo $1
local lockfile=$2;
while true; do
if [ ! -e $lockfile ]; then
return 0
fi
read -t 1 line
if [ $? -eq 0 ]; then
echo $line
fi
done
}
deploy()
{
local machine=$1 #user@machine.example.com
local user=${machine%@*}
local machine=${machine#*@}
local machine=$1 #user@machine.example.com
local user=${machine%@*} #user
if [ -z $user ]; then
user=$USER #set $USER if none is specified
fi
local machine=${machine#*@} #machine.example.com
local username=""
local password=""
local script="/tmp/sshbackup_deploy`date +%s`"
local pubkey=$(cat $2)
#create temporary deployment script
#create script which is executed on remote host (as root)
#TODO: check dependencies on remote system as well
echo '#!/bin/bash
user="'$user'"
pubkeyfile="'$pubkeyfile'"
@ -122,12 +128,16 @@ deploy()
sshgroups=${sshgroups#AllowGroups }
usermod -a -G ${sshgroups// /,} '$user'
echo "'$user' ALL=(root)NOPASSWD: /usr/bin/rsync" >> /etc/sudoers
echo "aborting mission. useradd returned a non-zero value."
echo "remote settings deployed. hopefully :)"
fi' > $script
echo -e "please enter your [sudo] username for $machine: \c"
echo "i will now attempt to create the user $user and apply all needed"
echo "settings on following remote host: $machine"
echo "in order to do so i need a sudo enabled username and"
echo "password on the remote host."
echo -e "please enter your [sudo] username: \c"
read username
echo -e "please enter your [sudo] password for $machine: \c"
echo -e "please enter your [sudo] password: \c"
read -s password
sshpass -p "$password" scp -q "$script" "$username@$machine:'$script'"
@ -139,7 +149,6 @@ deploy()
eval pipewrap '$password' '$lockfile' | (sshpass -p "$password" ssh -q "$username@$machine" "sudo -S '$script'"; rm "$lockfile")
sshpass -p $password ssh -q "$username@$machine" rm $script
rm $script
exit 1
}
preflight()
@ -196,7 +205,9 @@ preflight()
if [ -r $privkeyfile ]; then
#ssh key found
:
if ( interactive ) && [ $deploy -eq 1 ]; then
deploy ${sourcepath%:*} $pubkeyfile
fi
else
if ( interactive ); then
echo -e "no ssh key found. do you want to create a new key pair? [y/n] \c"
@ -211,8 +222,9 @@ preflight()
echo "aborting mission. error occured while creating ssh key pair"
return 1
fi
#TODO: key should also be deployed to remote side
return 1 #for now i'll break up here
#deploy key to remote system
deploy ${sourcepath%:*} $pubkeyfile
return 0
else
echo "aborting mission. no ssh key found."
return 1
@ -222,7 +234,6 @@ preflight()
return 1
fi
fi
deploy ${sourcepath%:*} $pubkeyfile
fi
return 0
@ -373,10 +384,6 @@ for option in $options; do
echo "aborting mission. cannot read listfile. [$option]"
exit 1
fi
elif [ $deploy -eq 1 ]; then
#TODO: do nothing for now
:
deploy=0
else
if [[ $option =~ ^-.* ]]; then
echo "aborting mission. unknown option given. [$option]"