#! /usr/bin/env bash
set -e
SCRIPT_NAME="${0##*/}"
usage() {
printf '%s\n' \
'VAST lab connection helper/manager for Customer Support/Success' \
'' \
'Usage:' \
" ${SCRIPT_NAME} <command> [args...]" \
'' \
'Commands:' \
' prerpmac Configure MacOS network interfaces for lab physcal NIC connection' \
' cs-dbg Connect to CS-DBG' \
' get various VAST related queries'
'' \
''
exit 2
}
usage-prepmac() {
printf '%s\n' \
'Configure MacOS network interfaces for lab physcal NIC connection' \
'' \
'Usage:' \
" ${SCRIPT_NAME} prepmac <TO> [<FROM>] [<Interface>]" \
'' \
'Configure MacOS iface to connect to <TO> address from <FROM> address' \
'Default <Interface> is en9' \
'' \
'FROM and FROM_SN will be autofilled for the following subnets:' \
' 10.117.10.0/24' \
' 192.168.[1 or 2].0/24' \
'' \
"for other subnets, you'll need to specify a FROM argument and a FROM_SN env variable" \
'' \
'What the script does:' \
' 1. Attempts a ping to the destination IP.' \
' 2. If unsuccessful:' \
" a. if FROM (2nd arg) isn't specified or set to 'dhcp':" \
' - tries to guess the FROM and FROM_SN based on known TO ranges.' \
' b. if FROM was specied - uses FROM/2nd argument and FROM_SN from env' \
' c. compares desired FROM and assigned IP on outgoing interface (IFACE env or default: en9)' \
' d. if different, asssigns ip address to interface (temporary, using sudo)' \
' e. Attempts ping once again' \
' 3. If ping was successful, tries to grab hostname via ssh' \
'' \
" The entire process will do it's best to communicate error states and" \
' recommend possible actions if any steps fail' \
''\
'Predefined CIDR and aliases' \
' 10.117.10.254/24 ' \
' 192.168.1.254/24 ' \
' 192.168.2.254/24 ' \
' 169.254.1.15/27 ' \
' 169.254.111.15/27 ' \
' 169.254.3.254/24 ' \
'' \
'Examples:' \
" ${SCRIPT_NAME} 192.168.2.2 # connect to tech port" \
''
exit 2
}
usage-get() {
printf '%s\n' \
'various VAST related queries' \
'' \
'Usage:' \
" ${SCRIPT_NAME} get <sub-command> [args...]" \
'' \
'Commands:' \
' s3-releases Get release names available on s3' \
' s3-callhome Get callhome list available on s3' \
'' \
''
exit 2
}
if [ $# -eq 0 ]; then
usage
elif [[ $# -eq 1 && "$1" == "editme" ]]; then
exec ${VISUAL:-${EDITOR:-vi}} "$(readlink -f "$0")"
exit 0
fi
_myip() {
lsip | awk "/${IFACE}/"'{split($3, a, "/"); print a[1];}'
}
_ping() {
ping -c "${PING_C:-3}" -W 250 "${TO}"
}
_log() {
printf '%s\n' \
"${@:2}" \
>&2
exit ${1}
}
do_prepmac() {
local TO="${1}"
local IFACE="${IFACE:-en9}"
local PINGOK=1
local CMDs=("${@:2}")
[ "${#CMDs}" -gt 0 ] || CMDs=( hostname )
if _ping &>/dev/null; then
printf "Connection detected.\n"
else
PINGOK=0
if [ "${FROM:-${2:-}}" == "dhcp" ]; then
FROM=dhcp
FROM_SN=auto
SLEEP="${SLEEP:-15s}"
else
SLEEP="${SLEEP:-3s}"
case "${FROM:+__}${TO}" in
10.117.10.*)
FROM=10.117.10.254
FROM_SN=255.255.255.0
;;
192.168.1.*)
FROM=192.168.1.254
FROM_SN=255.255.255.0
;;
192.168.2.*)
FROM=192.168.2.254
FROM_SN=255.255.255.0
;;
169.254.1.*)
FROM=169.254.1.15
FROM_SN=255.255.255.224
;;
169.254.111.*)
FROM=169.254.111.15
FROM_SN=255.255.255.224
;;
169.254.3.*)
FROM=169.254.3.253
FROM_SN=255.255.255.0
;;
*)
FROM=${FROM:-${2:?FROM and FROM_SN Must be supplied for unknown IPv4 destination $1}} || usage-prepmac
FROM_SN=${FROM_SN:?FROM and FROM_SN Must be supplied for unknown IPv4 destination $1} || usage-prepmac
;;
esac
fi
MYIP=''
MYIP="$(_myip)"
if [ "$FROM" == "$MYIP" ]; then
_log 2 "Already setup with $MYIP, but ping to $TO is failing, you'll need to troubleshoot this."
exit 2
fi
echo "$MYIP detected on $IFACE, Setting up $FROM / $FROM_SN - \`sudo\` might be prompting you for your password"
if [ "${FROM}" == "dhcp" ]; then
sudo ipconfig set "${IFACE}" bootp || true
sudo ipconfig set "${IFACE}" dhcp
else
sudo ipconfig set "${IFACE}" manual "${FROM}" "${FROM_SN}"
fi \
&& printf 'Waiting %s...' "${SLEEP}" \
&& sleep "${SLEEP}" \
&& MYIP="$(_myip)"
fi
if [ $PINGOK -eq 0 ] && _ping &>/dev/null; then
PINGOK=1
fi
if [ $PINGOK -eq 1 ]; then
# auto-copy-ssh-id "${TO}"
ssh-keygen -R "${TO}" || true
ssh \
-o PasswordAuthentication=no \
-o BatchMode=yes \
-o ConnectTimeout=2 \
-ttn \
"${TO}" -- "${CMDs[*]}" \
|| 1>&2 printf '%s\n' \
"Could not SSH into ${TO}, you might want to run 'pull-vast.id_rsa ${TO}' or 'auto-copy-ssh-id ${TO}'"
else
_log 2 "Ping faild."
fi
}
do_get_s3-releases() {
# Get the list of releases, order in reverse, where non-sp/hf are listed first.
aws s3 ls --human-readable s3://vastdata-releases/release_bundles/service-packs/ \
| sed -E 's|^[[:space:]]+[^[:space:]]+[[:space:]](.+)/$|999\1|; s/^999release/111release/; s/([[:digit:]])$/\1.zzz/' \
| sort --field-separator=- -k2,2Vr -k3,3Vr -k4,4Vr -k5,5Vr \
| sed -Ee 's/^[[:digit:]]{3}//; s/.zzz$//'
}
do_get_s3-callhome() {
# Get the list of callhome bundles
aws s3 ls --human-readable s3://vast-callhomebundle/ \
| sed -E 's|^[[:space:]]+[^[:space:]]+[[:space:]](.+)/$|\1|;'
}
do_get() {
local DO_CMD='usage-get'
if [[ $# -gt 0 ]] && declare -f "do_get_${1}" > /dev/null; then
DO_CMD="do_get_${1}"
shift
fi
${DO_CMD} "$@"
}
do_cs-dbg() {
zellij action new-tab --layout=cs-dbg
}
_main_() {
local DO_CMD='usage'
if [[ $# -gt 0 ]] && declare -f "do_${1}" > /dev/null; then
DO_CMD="do_${1}"
shift
fi
${DO_CMD} "$@"
}
_main_ "$@"
# vim: set ft=sh expandtab tabstop=4 shiftwidth=4: