380 lines
10 KiB
Bash
Executable File
380 lines
10 KiB
Bash
Executable File
#!/bin/sh
|
||
|
||
# Vars {{{
|
||
readonly PROGNAME=$(basename "${0}")
|
||
readonly PROGDIR=$(readlink -m $(dirname "${0}"))
|
||
readonly ARGS="${*}"
|
||
readonly NBARGS="${#}"
|
||
## Test if DEBUG is already defined (by parent script,…)
|
||
[ -z "${DEBUG}" ] && DEBUG=1
|
||
|
||
## Disable FORCE_MODE by default
|
||
FORCE_MODE=1
|
||
|
||
## Colors
|
||
readonly PURPLE='\033[1;35m'
|
||
readonly RED='\033[0;31m'
|
||
readonly RESET='\033[0m'
|
||
readonly COLOR_DEBUG="${PURPLE}"
|
||
# }}}
|
||
|
||
usage() { # {{{
|
||
|
||
cat <<- EOF
|
||
usage: $PROGNAME [--help] [-d|-h] [hostname]
|
||
|
||
Try to disable all SGE queues of the current host (default)
|
||
or the one passed as first argument.
|
||
|
||
EXAMPLES :
|
||
- Disable SGE's queue(s) of the current host
|
||
${PROGNAME}
|
||
|
||
- Disable SGE's queue(s) of "marvin.domain.tld" host
|
||
${PROGNAME} marvin.domain.tld
|
||
${PROGNAME} -h marvin.domain.tld
|
||
|
||
OPTIONS :
|
||
-d,--debug
|
||
Enable debug messages.
|
||
|
||
--help
|
||
Print this help message.
|
||
|
||
-h,--host,--hostname SGE_HOST_TO_MANAGE
|
||
Manage SGE's queue(s) of "SGE_HOST_TO_MANAGE" host.
|
||
EOF
|
||
|
||
}
|
||
# }}}
|
||
debug_message() { # {{{
|
||
|
||
local_debug_message="${1}"
|
||
|
||
## Print message if DEBUG is enable (=0)
|
||
[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
|
||
|
||
return 0
|
||
}
|
||
# }}}
|
||
define_vars() { # {{{
|
||
|
||
## If sge_hostname wasn't defined {{{
|
||
if [ -z "${sge_hostname}" ]; then
|
||
## Use local host for sge_hostname
|
||
sge_hostname="$(hostname -f)"
|
||
fi
|
||
## }}}
|
||
|
||
## If the given host to manage is the current one {{{
|
||
if is_current_host "${sge_hostname}" ; then
|
||
debug_message "define_vars − \
|
||
${sge_hostname} is the current host."
|
||
LOCAL_HOST="0"
|
||
else ## In case of a remote host
|
||
debug_message "define_vars − \
|
||
${sge_hostname} is not the current host."
|
||
LOCAL_HOST="1"
|
||
fi
|
||
## }}}
|
||
|
||
## If FORCE_MODE was defined and enabled {{{
|
||
if [ "${FORCE_MODE}" -eq "0" ]; then
|
||
debug_message "define_vars − \
|
||
FORCE MODE is enable, don't manage anything related to a localhost."
|
||
## Don't manage configuration specific to a localhost
|
||
LOCAL_HOST="1"
|
||
fi
|
||
## }}}
|
||
|
||
## Get all queues name {{{
|
||
sge_queues_name="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
|
||
| grep "queue name" \
|
||
| cut -d"'" -f2 )"
|
||
sge_queues_name_print="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
|
||
| grep "queue name" \
|
||
| cut -d"'" -f2 \
|
||
| tr -s '\n' ' ' )"
|
||
## }}}
|
||
}
|
||
# }}}
|
||
is_sge_master_available() { # {{{
|
||
|
||
## Check with Netcat if SGE master (sge_qmaster) is reachable from this host.
|
||
### -z: Only scan for listening daemons, without sending any data to them.
|
||
### -w 10: Timeout the test after 10 seconds.
|
||
if nc -z -w 10 "${sge_master_uri}" "${sge_master_port}"; then
|
||
return_is_sge_master_available="0"
|
||
debug_message "is_sge_master_available − \
|
||
SGE Master (${sge_master_uri}:${sge_master_port}) is reachable from this host."
|
||
else
|
||
return_is_sge_master_available="1"
|
||
debug_message "is_sge_master_available − \
|
||
SGE Master (${sge_master_uri}:${sge_master_port}) is not reachable from this host."
|
||
fi
|
||
|
||
return "${return_is_sge_master_available}"
|
||
|
||
}
|
||
# }}}
|
||
is_current_host() { # {{{
|
||
|
||
local_current_host="${1}"
|
||
local_current_fqdn=$(hostname -f)
|
||
|
||
## Test if the sge_host to manage is the current host
|
||
if [ "${local_current_host}" = "${local_current_fqdn}" ]; then
|
||
local_current_host_return="0"
|
||
else
|
||
local_current_host_return="1"
|
||
fi
|
||
|
||
return "${local_current_host_return}"
|
||
|
||
}
|
||
# }}}
|
||
is_queue_enable() { # {{{
|
||
|
||
local_queue_enable_hostname="${1}"
|
||
local_queue_enable_name="${2}"
|
||
## List all queues with 'disable' state and filter to the expected queue name
|
||
## with a fake_user to avoid pending jobs for this queue
|
||
### And count returned lines
|
||
local_queue_enable_test=$(qstat -f -qs d -q "${local_queue_enable_name:=/dev/null}@${local_queue_enable_hostname:=/dev/null}" -u fake_user \
|
||
| wc -l)
|
||
|
||
case "${local_queue_enable_test}" in
|
||
0 ) ## No result so the queue is enable
|
||
local_sge_queue_state="enable"
|
||
return_queue_enable="0"
|
||
;;
|
||
3 ) ## Results (header + queue name) so the queue is disable
|
||
local_sge_queue_state="disable"
|
||
return_queue_enable="1"
|
||
;;
|
||
* ) ## Unexpected result
|
||
printf '%b\n' "${RED}Not able to determine the state of ${local_sge_queue_name:=/dev/null}@${local_queue_enable_hostname:=/dev/null} queue (command return ${local_queue_enable_test} lines).${RESET}"
|
||
exit 2
|
||
;;
|
||
esac
|
||
|
||
## Simple debug message to valid current variables
|
||
debug_message "is_queue_enable − \
|
||
SGE queue: ${RED}${local_queue_enable_name:=/dev/null}${COLOR_DEBUG} \
|
||
state is: ${RED}${local_sge_queue_state:=/dev/null}${COLOR_DEBUG}."
|
||
|
||
return "${return_queue_enable}"
|
||
|
||
}
|
||
# }}}
|
||
is_queue_disable() { # {{{
|
||
|
||
local_queue_disable_hostname="${1}"
|
||
local_queue_disable_name="${2}"
|
||
## List all queues with 'disable' state and filter to the expected queue name
|
||
## add a fake_user to avoid pending jobs for this queue
|
||
### And count returned lines
|
||
local_queue_disable_test=$(qstat -f -qs d -q "${local_queue_disable_name:=/dev/null}@${local_queue_disable_hostname:=/dev/null}" -u fake_user \
|
||
| wc -l)
|
||
|
||
case "${local_queue_disable_test}" in
|
||
0 ) ## No result so the queue is enable
|
||
local_sge_queue_state="enable"
|
||
return_queue_disable="1"
|
||
;;
|
||
3 ) ## Results (header + queue name) so the queue is disable
|
||
local_sge_queue_state="disable"
|
||
return_queue_disable="0"
|
||
;;
|
||
* ) ## Unexpected result
|
||
printf '%b\n' "${RED}Not able to determine the state of ${local_queue_disable_name:=/dev/null}@${local_queue_disable_hostname:=/dev/null} queue (command return ${local_queue_disable_test} lines).${RESET}"
|
||
exit 3
|
||
;;
|
||
esac
|
||
|
||
## Simple debug message to valid current variables
|
||
debug_message "is_queue_disable − \
|
||
SGE queue: ${RED}${local_queue_disable_name:=/dev/null}${COLOR_DEBUG} \
|
||
state is: ${RED}${local_sge_queue_state:=/dev/null}${COLOR_DEBUG}."
|
||
|
||
return "${return_queue_disable}"
|
||
|
||
}
|
||
# }}}
|
||
is_all_queue_disable() { # {{{
|
||
|
||
local_all_queue_disable_hostname="${1}"
|
||
local_all_queue_disable_name="${2}"
|
||
|
||
## By default, all queues are disable
|
||
return_all_queue_disable="0"
|
||
|
||
## Test all queues one by one
|
||
for loop_disable_queue in ${local_all_queue_disable_name}; do
|
||
|
||
### If a queue is not disable
|
||
#### Change the return value
|
||
is_queue_disable "${local_all_queue_disable_hostname}" "${loop_disable_queue}" \
|
||
|| return_all_queue_disable="1"
|
||
|
||
done
|
||
|
||
return "${return_all_queue_disable}"
|
||
|
||
}
|
||
# }}}
|
||
disable_sge_queue() { # {{{
|
||
|
||
local_sge_hostname="${1}"
|
||
local_sge_queue_name="${2}"
|
||
|
||
## Simple debug message to valid current variables
|
||
debug_message "disable_sge_queue − \
|
||
Try to disable SGE queue: ${RED}${local_sge_queue_name:=/dev/null}@${local_sge_hostname:=/dev/null}${COLOR_DEBUG}."
|
||
|
||
## SGE command to disable the queue
|
||
## and get returned value
|
||
## and create a file for local queue
|
||
qmod --disable "${local_sge_queue_name}@${local_sge_hostname}" > /dev/null \
|
||
&& return_disable_queue="${?}" \
|
||
&& {
|
||
[ "${LOCAL_HOST}" -eq "0" ] && printf '%s' "by ${PROGNAME} script" > "${sge_queue_deactivator}"
|
||
}
|
||
|
||
|
||
return "${return_disable_queue}"
|
||
|
||
}
|
||
# }}}
|
||
main() { # {{{
|
||
|
||
## Test if SGE Master is reachable {{{
|
||
### If sge_master_uri wasn't defined (environment variable,…) {{{
|
||
if [ -z "${sge_master_uri}" ]; then
|
||
## Get SGE master from current configuration
|
||
sge_master_uri=$(grep --max-count=1 -- "" /var/lib/gridengine/default/common/act_qmaster 2>/dev/null || echo "NO MASTER")
|
||
fi
|
||
### }}}
|
||
### If sge_master_port wasn't defined (environment variable,…) {{{
|
||
if [ -z "${sge_master_port}" ]; then
|
||
## Use local host for sge_master_port
|
||
sge_master_port="6444"
|
||
fi
|
||
### }}}
|
||
|
||
### If SGE Master is not reachable from this host {{{
|
||
#### Exit
|
||
is_sge_master_available \
|
||
|| exit 0
|
||
### }}}
|
||
## }}}
|
||
|
||
## Define all vars according the selected options
|
||
define_vars
|
||
|
||
## Simple debug message with color to valid current variables
|
||
debug_message "main − Try to manage \
|
||
SGE queue(s): ${RED}${sge_queues_name_print:=/dev/null}${COLOR_DEBUG}\
|
||
for host: ${RED}${sge_hostname:=/dev/null}${COLOR_DEBUG}."
|
||
|
||
## If the queue(s) are already disable
|
||
### Exit
|
||
is_all_queue_disable "${sge_hostname}" "${sge_queues_name}" \
|
||
&& exit 0
|
||
|
||
## Test all queues one by one
|
||
for loop_queue in ${sge_queues_name}; do
|
||
|
||
## File that says this queue was disabled by a script
|
||
## Can be used by other script to verify the queue wasn't disable by a user/admin
|
||
sge_queue_deactivator="/opt/ipr/cluster/.sge.${loop_queue}.disable"
|
||
|
||
## If the queue is enable
|
||
### Try to disable it
|
||
is_queue_enable "${sge_hostname}" "${loop_queue}" \
|
||
&& disable_sge_queue "${sge_hostname}" "${loop_queue}"
|
||
|
||
## If the queue is still enable
|
||
### Exit with error
|
||
is_queue_enable "${sge_hostname}" "${loop_queue}" \
|
||
&& printf '%b\n' "${RED}ERROR ${loop_queue}@${sge_hostname} is still enable.${RESET}" \
|
||
&& exit 4
|
||
|
||
done
|
||
|
||
}
|
||
# }}}
|
||
|
||
# Manage arguments # {{{
|
||
# This code can't be in a function due to arguments
|
||
|
||
if [ ! "${NBARGS}" -eq "0" ]; then
|
||
|
||
manage_arg="0"
|
||
|
||
## If the first argument is not an option
|
||
if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
|
||
then
|
||
## Use this argument for sge_hostname
|
||
sge_hostname="${1}"
|
||
|
||
## Switch to the next argument
|
||
shift
|
||
manage_arg=$((manage_arg+1))
|
||
fi
|
||
|
||
# Parse all options (start with a "-") one by one
|
||
while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
|
||
|
||
case "${1}" in
|
||
-d|--debug ) ## debug
|
||
DEBUG=0
|
||
;;
|
||
-f|--force ) ## Force to disable SGE queue
|
||
FORCE_MODE=0
|
||
;;
|
||
--help ) ## help
|
||
usage
|
||
## Exit after help informations
|
||
exit 0
|
||
;;
|
||
-h|--host|--hostname ) ## Specify a different host to manage
|
||
## Move to the next argument
|
||
shift
|
||
## Override previous definition of sge_hostname
|
||
sge_hostname="${1}"
|
||
;;
|
||
-- ) ## End of options list
|
||
## End the while loop
|
||
break
|
||
;;
|
||
* ) ## unknow option
|
||
printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
|
||
printf '%b\n' "---"
|
||
usage
|
||
exit 1
|
||
;;
|
||
esac
|
||
|
||
debug_message "Arguments management − \
|
||
${RED}${1}${COLOR_DEBUG} option managed."
|
||
|
||
## Move to the next argument
|
||
shift
|
||
manage_arg=$((manage_arg+1))
|
||
|
||
done
|
||
|
||
debug_message "Arguments management − \
|
||
${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
|
||
else
|
||
debug_message "Arguments management − \
|
||
No arguments/options to manage."
|
||
fi
|
||
|
||
# }}}
|
||
|
||
main
|
||
|
||
exit 0
|