Exit if sge_qmaster host is not reachable

cluster/apt.apply.update.sh

@@ -151,6 +151,25 @@ state is: ${RED}${local_sge_queue_state:=/dev/null}${COLOR_DEBUG}."
 
 	return "${return_queue_enable}"
 
+}
+# }}}
+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_any_queue_enable() {                                         # {{{
@@ -269,13 +288,32 @@ main() {                                                        # {{{
 
 	manage_args "${ARGS}"
 
+	## Define vars
 	sge_hostname="$(hostname -f)"
 	sge_queues_name="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
 		| grep "queue name" \
 		| cut -d"'" -f2 )"
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${sge_master_port}" ]; then
+		## Use local host for sge_master_port
+		sge_master_port="6444"
+	fi
+
 	maco_proc_pattern="(/opt/maco/bin/maco.autoupdate.sh)"
 
+	## If SGE Master is not reachable from this host {{{
+	### Exit
+	is_sge_master_available \
+		|| exit 0
+	## }}}
+
 	## If NO APT package upgrade is available
 	### Exit
 	is_apt_upgrade_absent \

cluster/apt.check.update.sh

@@ -70,6 +70,18 @@ define_vars() {                                                 # {{{
 		sge_hostname="$(hostname -f)"
 	fi
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${sge_master_port}" ]; then
+		## Use local host for sge_master_port
+		sge_master_port="6444"
+	fi
+
 	## If EMPTY_ONLY_MODE wasn't defined (argument, environment variable,…)
 	if [ -z "${EMPTY_ONLY_MODE}" ]; then
 		### Set False by default
@@ -101,6 +113,25 @@ SGE is not present on this host."
 
 	return "${return_is_sge_host}"
 
+}
+# }}}
+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_apt_upgrade_absent() {                                       # {{{
@@ -179,6 +210,12 @@ main() {                                                        # {{{
 	## Define all vars
 	define_vars
 
+	## If SGE Master is not reachable from this host {{{
+	### Exit
+	is_sge_master_available \
+		|| exit 0
+	## }}}
+
 	## If NO APT package upgrade is available {{{
 	### Ensure to remove any temp file related to APT upgrades
 	### AND Exit

cluster/maco.apply.update.sh

@@ -88,6 +88,25 @@ SGE is not present on this host."
 
 	return "${return_is_sge_host}"
 
+}
+# }}}
+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_apt_upgrade_present() {                                      # {{{
@@ -274,6 +293,24 @@ main() {                                                        # {{{
 	maco_proc_pattern="(/opt/maco/bin/maco.autoupdate.sh)"
 	apt_proc_pattern="(aptitude.*full-upgrade|/usr/bin/dpkg.*--configure|dpkg-deb|/bin/sh /usr/lib/needrestart/dpkg-status)"
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${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
+	## }}}
+
 	## If APT package upgrade is available
 	### Exit (wait for APT upgrade to be applied first)
 	is_apt_upgrade_present \

cluster/maco.check.update.sh

@@ -124,6 +124,25 @@ Test var: ${1}."
 
 	return "${return_var_empty}"
 
+}
+# }}}
+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_maco_urgent_upgrade_require() {                              # {{{
@@ -234,6 +253,23 @@ Disable SGE queue."
 # }}}
 main() {                                                        # {{{
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${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
+	## }}}
+
 	## Get all Maco's versions (date)
 	readonly CURRENT_MACO_VERSION=$(< "${MACO_LOCAL_DIR}/maco-version.txt" awk -v FS=. '{ print $1 "-" $2 "-" $3 "T" $4 ":" $5 ":" $6 }' )
 	readonly LATEST_MACO_VERSION=$(< "${MACO_INSTALL_DIR}/maco-version.txt" awk -v FS=. '{ print $1 "-" $2 "-" $3 "T" $4 ":" $5 ":" $6 }' )

cluster/sge.disable.host.queue.sh

@@ -62,6 +62,18 @@ define_vars() {                                                 # {{{
 		sge_hostname="$(hostname -f)"
 	fi
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${sge_master_port}" ]; then
+		## Use local host for sge_master_port
+		sge_master_port="6444"
+	fi
+
 	## If the host to manage is the current one
 	if is_current_host "${sge_hostname}" ; then
 		debug_message "define_vars − \
@@ -82,6 +94,25 @@ ${sge_hostname} is not the current host."
 		| 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() {                                             # {{{
@@ -218,6 +249,12 @@ main() {                                                        # {{{
 	## Define all vars according the selected options
 	define_vars
 
+	## If SGE Master is not reachable from this host {{{
+	### Exit
+	is_sge_master_available \
+		|| exit 0
+	## }}}
+
 	## 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}\

cluster/sge.enable.host.queue.sh

@@ -97,6 +97,18 @@ define_vars() {                                                 # {{{
 		sge_hostname="$(hostname -f)"
 	fi
 
+	## If sge_master_uri wasn't defined (environment variable,…)
+	if [ -z "${sge_master_uri}" ]; then
+		## Use local host for sge_master_uri
+		sge_master_uri="physix-master.ipr.univ-rennes1.fr"
+	fi
+
+	## If sge_master_port wasn't defined (environment variable,…)
+	if [ -z "${sge_master_port}" ]; then
+		## Use local host for sge_master_port
+		sge_master_port="6444"
+	fi
+
 	## If the host to manage is the current one
 	if is_current_host "${sge_hostname}" ; then
 		debug_message "define_vars − \
@@ -162,6 +174,25 @@ SGE is not present on this host."
 
 	return "${return_is_sge_host}"
 
+}
+# }}}
+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() {                                             # {{{
@@ -450,6 +481,12 @@ main() {                                                        # {{{
 	## Define all vars according the selected options
 	define_vars
 
+	## If SGE Master is not reachable from this host {{{
+	### Exit
+	is_sge_master_available \
+		|| exit 0
+	## }}}
+
 	## If we need to watch for upgrades
 	if [ "${CHECK_UPGRADE}" -eq "0" ]; then
 		## If APT package upgrade is available