166 lines
4.1 KiB
Bash
166 lines
4.1 KiB
Bash
#!/bin/bash
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# this will superceed the ssh binary in order to source all the config files
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# "USAGE: ssh <ssh script options> <host,can set via -h> <SSH options> <commands to run on remote>"
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# put any additional SSH (man ssh) options after the host
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# if using ssh in another command use -r flag
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# this returns a string that can be parsed into an array
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# the array has three elements
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# 0 - host (mayb include user)
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# 1 - all ssh options
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# 2 - an sshpass command if -p flag was used
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# to user the arary do this.
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#
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# > module_load array
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# > declare -a ret
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# > String::split ret "$(ssh -p f filename -m -r test -p 32)"
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# > host=${ret[0]}; opts=${ret[1]};sshpass=${ret[2]}
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# module_load file
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module_load net-utils
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module_load ssh-config
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ssh() {
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local pw;local cfg;local opts;local mp; local sshpass; local list; local sshcmd; local term
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local host; local user; local script; local ret ; local key; local efile; local tfile
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help() {
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cat <<EOF
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usage:
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sh <script options> host <commands to run on remote>
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put any additional SSH (man ssh) options can be added with -s, be sure to quote
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:hH:tu:dF:p:ro:k:
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-h
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-H
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-t
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-u
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-l
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-F
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-p
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-r
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-s
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-o
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-k-z no
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EOF
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}
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if [[ $SSH_CONFIG ]]; then
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[[ ! -f "$SSH_CONFIG" ]] && ssh_config "$SSH_CONFIG"
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cfg="-F $SSH_CONFIG"
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fi
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local OPTION; local OPTARG; local OPTIND
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while getopts 'hH:th:u:lF:p:ro:k:' OPTION; do
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# echo ssh passed: "$@"
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debug processing: option:$OPTION argument:$OPTARG index:$OPTIND
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# echo remaining:${@:$OPTIND}
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case "$OPTION" in
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h)
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help
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return 3
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;;
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H)
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host=$OPTARG
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;;
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t)
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term=" -t "
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;;
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l)
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list=true
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;;
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r)
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ret=true
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;;
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u)
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user=$OPTARG
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;;
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k)
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[[ $(isAbsPath $OPTARG) ]] && key=$OPTARG || key=${SSH_PUB_KEYS:-$HOME/.ssh}/$OPTARG
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opts+=" -o IdentitiesOnly=yes -o IdentityFile=$key"
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;;
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o)
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opts+=" -o $OPTARG"
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;;
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p)
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# pw=$OPTARGF
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#e, f, d
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case "$OPTARG" in
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e)
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sshpass="sshpass -e "
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;;
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f) ;&
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d)
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# echo ${@[$OPTIND]}
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sshpass="sshpass -$OPTARG ${@:$OPTIND:1}"
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((OPTIND+=1))
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;;
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*)
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[[ ! ( $OPTARG = "yes" || $OPTARG = "y" ) ]] && sshpass="sshpass -p $OPTARG"
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;;
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esac
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pw=true
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opts+=" -o PreferredAuthentications=password -o PubkeyAuthentication=no -o StrictHostKeyChecking=no"
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;;
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F)
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echo "using SSH Config file at: $OPTARG"
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[[ -f $OPTARG ]] && cfg="-F $OPTARG" || echo no config file at $OPTARG, ignored
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;;
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*)
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echo unknown ssh script option $OPTARG xxx
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help
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return 3
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# opts+=" ${@:$OPTIND:1}"
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# ((OPTIND+=1))
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#echo remaining ${@:$OPTIND}
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;;
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esac
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done
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shift $((OPTIND - 1))
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[[ (! $host) && $1 ]] && { host=$1;shift; }
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debug remote commands/arguments to pass: $@
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debug todo parse additional options after --
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[[ ! $host && ! $list ]] && echo host/ip required, aborting && return 2
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if [[ $host ]]; then
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[[ ! $user ]] && user=$(get_user_host $host)
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[[ $user && (! $host =~ "@") ]] && host=$user@$host
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if [[ $user && $host =~ "@" ]]; then
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host=$(sed 's/.*@\(.*\)/\1/' <<<"$host")
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# option takes precedence
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host=$user@$host
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fi
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fi
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opts+=" $cfg"
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if [[ $ret ]]; then
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# return arguments so a command can be composed elsewhere
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{ echo "$host,$opts $* ,$sshpass"; return 0; }
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else
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sshcmd="$sshpass $(which ssh) $term $opts $host $*"
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if [[ $list ]]; then
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echo "$sshcmd"
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else
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$sshcmd || echo SSH Command Failed: $sshcmd
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fi
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fi
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} # end ssh
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#TODO make this a function for multipass module
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# user=${user:-ubuntu}
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# [[ ! $host && ! $list ]] && echo multipass host/ip required, aborting && return 2
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# # echo multipass host:$host user:$user
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# module_load multipass
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# ip="$(multipass_get_ip $(get_hostname_host $host))"
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# [[ ! $ip && ! $list ]] && echo could not resolve ip for multipass instance $1 && return 5
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# [[ ! $pw && ! $key ]] && opts+=" $(multipass_ssh_options)"
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# host="$user@$ip" |