forked from Stefar77/cbsd
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nodes.subr
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nodes.subr
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if [ ! "$_CBSD_NODES_SUBR" ]; then
_CBSD_NODES_SUBR=1
###
#update idle in SQLite for $1 nodename
idle_update()
{
cbsdsqlrw nodes "UPDATE nodelist SET idle=datetime('now','localtime') WHERE nodename=\"${1}\""
}
# check age of ssh mux lock. If ctime greater than 1 minutes
# then out "Connected (uptime min)" and return 0
# else - out "Offline" and return 1
# required included inventory for $sqlreplica
# sample:
# if check_locktime /usr/jails/ftmp/shmux_199.48.133.74.lock >/dev/null 2>&1; then
# echo "OK"
# fi
check_locktime()
{
#always return online if no shmux activated
[ "${sqlreplica}" = "0" ] && return 0
local cur_time=$( ${DATE_CMD} +%s )
local difftime
[ ! -f "${1}" ] && return 1
eval $( /usr/bin/stat -s ${1} )
difftime=$(( ( cur_time - st_mtime ) / 60 ))
if [ ${difftime} -lt 1 ]; then
return 1
else
echo "${difftime}"
return 0
fi
}
# idle must be set (or specified via $1 )
# $ip (of nodes) must be set
conv_idle()
{
local _res
status="Disconnected" # default state
[ -n "${1}" ] && idle="${1}"
[ -z "${idle}" ] && return 1
if [ ${sqlreplica} -eq 1 ]; then
_res=$( check_locktime ${ftmpdir}/shmux_${ip}.lock )
[ $? -eq 0 ] && status="Connected" && idle=${_res} && return 0
fi
idle_time=$( ${DATE_CMD} -j -f "%Y-%m-%d %H:%M:%S" "${idle}" "+%s" )
_res=$(( ( curtime - idle_time ) / 60 ))
idle="${_res}"
}
# return $node as selected node by id or name from list
# -s "is subject for list"
# -a [0|1] show only active (status=on jail): 0, or all: 1
select_node_by_list()
{
local _res _id i=0
local subject="List of online nodes:"
local active="0" # only online
local sqldelimer=" "
while getopts "a:r:s:e:" opt; do
case "$opt" in
a) active="${OPTARG}" ;;
s) subject="${OPTARG}" ;;
esac
shift $(($OPTIND - 1))
done
eval $( cbsdsqlro nodes SELECT nodename,ip FROM nodelist |while read nodename ip status; do
mystatus=
if ! check_locktime ${ftmpdir}/shmux_${ip}.lock >/dev/null 2>&1; then
mystatus="1" # Offline
else
mystatus="0" # Online
fi
[ "${mystatus}" != "${active}" ] && continue
echo "local nodename${i}=\"${nodename}\"
echo "local ip${i}=\"${ip}\"
i=$(( i + 1 ))
done )
for i in $( /usr/bin/seq 0 255 ); do
eval _mynode="\$nodename${i}"
[ -z "${_mynode}" ] && break
[ "${_mynode}" = "${nodename}" ] && _mynode="${BOLD}local${N0_COLOR}"
eval _ip="\$ip${i}"
[ -z "${_ip}" ] && break;
[ $i -eq 0 ] && ${ECHO} "${N1_COLOR}${subject}${N0_COLOR}"
${ECHO} "${BOLD}${i} .. ${N2_COLOR}${_mynode} ${N0_COLOR}on ${N2_COLOR}${_ip}${N0_COLOR}"
done
[ $i -eq 0 ] && err 1 "${N1_COLOR}No node found${N0_COLOR}"
echo
printf "${BOLD}Enter id 0-${i} or node name:${N0_COLOR} "
set -e
read _id
set +e
if ! is_number ${_id}; then
eval node="\$nodename${_id}"
else
eval node="${_id}"
fi
remote=2 # for autoremote
}
# return 1 when there is no sqlreplica enabled and/or
# no any nodes added
# return 0 when sqlreplica on AND
# and at least one node has been added.
# e.g:
# if is_cluster_mode; then
# echo "is cluster mode"
# fi
is_cluster_mode()
{
# autosettings for alljails and shownode
if [ ${sqlreplica} -ne 0 ]; then
nodes_exist=$( cbsdsqlro nodes SELECT ip FROM nodelist LIMIT 1 )
[ -n "${nodes_exist}" ] && return 0
fi
return 1
}
# return node status by nodename
# return 0 when node added and active/online
# return 1 when no node or node is offline
# -n "must be nodename"
# -e 1 - also export status in $node_<md5sum of nodename>_online
# e.g:
# if node_is_online -n ${rnodename}; then
# echo "Online"
# fi
# or via vars:
# node_is_online -n ${rnodename} -e 1 ||true
# md5_node_name=$( /sbin/md5 -q -s ${rnodename} )
# eval online=\$node_${md5_node_name}_online
# echo ${online}
node_is_online()
{
local _res _ret _node _ip _md5_export _md5_node_name
while getopts "e:n:" opt; do
case "${opt}" in
e) _md5_export="${OPTARG}" ;;
n) _node="${OPTARG}" ;;
esac
shift $(($OPTIND - 1))
done
[ -z "${_node}" ] && return 1
[ -z "${_md5_export}" ] && _md5_export=0
_ip=$( cbsdsqlro nodes SELECT ip FROM nodelist WHERE nodename=\"${_node}\" LIMIT 1 )
[ -z "${_ip}" ] && return 1
_res=$( check_locktime ${ftmpdir}/shmux_${_ip}.lock )
_ret=$?
[ ${_md5_export} -eq 0 ] && return ${_ret}
_md5_node_name=$( /sbin/md5 -q -s ${_node} )
case ${_ret} in
0)
# is online
eval node_${_md5_node_name}_online=1
;;
*)
# is offline
eval node_${_md5_node_name}_online=0
;;
esac
}
# check that the directories are common
#
check_for_shared_dir()
{
local _dir _node
local _local_id _remote_id
while getopts "d:n:" opt; do
case "${opt}" in
d) _dir="${OPTARG}" ;;
n) _node="${OPTARG}" ;;
esac
shift $(($OPTIND - 1))
done
if [ -z "${_dir}" ]; then
${ECHO} "${N1_COLOR}check_for_shared_dir: no dir: ${N2_COLOR}${_dir}${N0_COLOR}"
return 1
fi
if [ -z "${_node}" ]; then
${ECHO} "${N1_COLOR}check_for_shared_dir: empty node${N0_COLOR}"
return 1
fi
if [ ! -r ${workdir}/${_dir}/dir.id ]; then
${ECHO} "${N1_COLOR}no dir.id in directory: ${N2_COLOR}${i}${N0_COLOR}"
return 1
fi
_local_id=$( ${CAT_CMD} ${workdir}/${_dir}/dir.id | ${TR_CMD} -d \\r | ${AWK_CMD} '/./{print $1}' )
_remote_id=$( rexe tryoffline=1 node=${_node} ${CAT_CMD} ~cbsd/${_dir}/dir.id 2>/dev/null | ${TR_CMD} -d \\r | ${AWK_CMD} '/./{print $1}' )
if [ -z "${_local_id}" ]; then
${ECHO} "${N1_COLOR}check_for_shared_dir: empty id for dir: ${N2_COLOR}${_dir}${N0_COLOR}"
return 1
fi
if [ -z "${_remote_id}" ]; then
${ECHO} "${N1_COLOR}check_for_shared_dir: empty id for dir: ${N2_COLOR}${_dir}${N0_COLOR}"
return 1
fi
if [ "${_local_id}" = "${_remote_id}" ]; then
return 0
else
return 1
fi
}
###
fi