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73 lines
1.7 KiB
73 lines
1.7 KiB
3 years ago
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#!/bin/sh
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ROLE="undefined"
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MPI_MASTER_SERVICE_NAME="sec_masterservice"
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MPI_WORKER_SERVICE_NAME="sec_workerservice"
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HOSTNAMES="/etc/nethosts"
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#######################
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# ARGUMENTS PARSER
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while [ "$1" != "" ];
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do
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PARAM=$(echo "$1" | awk -F= '{print $1}')
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VALUE=$(echo "$1" | awk -F= '{print $2}')
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case $PARAM in
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role)
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[ "$VALUE" ] && ROLE=$VALUE
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;;
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sec_master_service_name)
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[ "$VALUE" ] && MPI_MASTER_SERVICE_NAME=$VALUE
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;;
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sec_worker_service_name)
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[ "$VALUE" ] && MPI_WORKER_SERVICE_NAME=$VALUE
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;;
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*)
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echo "ERROR: unknown parameter \"$PARAM\""
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exit 1
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;;
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esac
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shift
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done
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cat > /etc/opt/service_names <<- EOF
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MPI_MASTER_SERVICE_NAME=${MPI_MASTER_SERVICE_NAME}
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MPI_WORKER_SERVICE_NAME=${MPI_WORKER_SERVICE_NAME}
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EOF
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case $ROLE in
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"masterservice")
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# Auto update default host file in background and dumb all output
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auto_update_hosts "${HOSTNAMES}" > /dev/null 2>&1 &
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# Start ssh server
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/usr/sbin/sshd -D
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;;
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"workerservice")
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# Start ssh server in background
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/usr/sbin/sshd -D &
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# Keep trying to connect to master node and stay there indefinitely so that master node can see
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# the connected hosts that are ready for MPI work
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while sleep 1
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do
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# shellcheck disable=SC2086
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ssh -T -o "StrictHostKeyChecking no" \
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-i "${USER_HOME}/.ssh/id_rsa" \
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${USER}@${MPI_MASTER_SERVICE_NAME} \
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"tail -f /dev/null"
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done
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;;
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*)
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echo 'role argument only accepts "masterservice" or "workerservice"'
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esac
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