remove duplicate embedding of prolog/epilog scripts

Author: Neelabh94

examples/machine-learning/a4x-maxgpu-4g-metal/a4xmax-bm-slurm-blueprint.yaml

@@ -848,66 +848,4 @@ deployment_groups:
       cloud_parameters:
         prolog_flags: Alloc,DeferBatch,NoHold
         switch_type: switch/nvidia_imex
-      prolog_scripts:
-      - filename: 1_imex_prolog.sh
-        content: |
-          #!/usr/bin/env bash
-          if ! systemctl list-unit-files --all | grep -Fq "nvidia-imex.service"; then
-            exit 0
-          fi
-
-          activate_imex() {
-            set -ex
-
-            # Clean the config file in case the service gets started by accident
-            > /etc/nvidia-imex/nodes_config.cfg
-
-            NVIDIA_IMEX_START_TIMEOUT=80
-            IMEX_CONN_WAIT_TIMEOUT=70
-            NVIDIA_IMEX_STOP_TIMEOUT=15
-            IMEX_SERVER_PORT=1101
-            IMEX_CMD_PORT=1102
-
-            # clean up prev connection
-            set +e
-            timeout $NVIDIA_IMEX_STOP_TIMEOUT systemctl stop nvidia-imex
-            pkill -9 nvidia-imex
-            set -e
-
-            # update peer list
-            scontrol -a show node "${SLURM_NODELIST}" -o | sed 's/^.* NodeAddr=\([^ ]*\).*/\1/' > /etc/nvidia-imex/nodes_config.cfg
-
-            sed -i "s/SERVER_PORT.*/SERVER_PORT=${IMEX_SERVER_PORT}/" /etc/nvidia-imex/config.cfg
-
-            # enable imex-ctl on all nodes so you can query imex status with: nvidia-imex-ctl -a -q
-            sed -i "s/IMEX_CMD_PORT.*/IMEX_CMD_PORT=${IMEX_CMD_PORT}/" /etc/nvidia-imex/config.cfg
-            sed -i "s/IMEX_CMD_ENABLED.*/IMEX_CMD_ENABLED=1/" /etc/nvidia-imex/config.cfg
-
-            # set timeouts for start
-            sed -i "s/IMEX_CONN_WAIT_TIMEOUT.*/IMEX_CONN_WAIT_TIMEOUT=${IMEX_CONN_WAIT_TIMEOUT}/" /etc/nvidia-imex/config.cfg
-
-            timeout $NVIDIA_IMEX_START_TIMEOUT systemctl start nvidia-imex
-          }
-          activate_imex > "/var/log/slurm/imex_prolog_${SLURM_JOB_ID}.log" 2>&1
-      epilog_scripts:
-      - filename: 2_imex_epilog.sh
-        content: |
-          #!/usr/bin/env bash
-          set -ex
-
-          if ! systemctl list-unit-files --all | grep -Fq "nvidia-imex.service"; then
-            exit 0
-          fi
-
-          # Clean the config file in case the service gets started by accident
-          > /etc/nvidia-imex/nodes_config.cfg
-
-          NVIDIA_IMEX_STOP_TIMEOUT=30
-
-          # clean up connection
-          set +e
-
-          timeout $NVIDIA_IMEX_STOP_TIMEOUT systemctl stop nvidia-imex
-
-          pkill -9 nvidia-imex
-          set -e
+      enable_external_prolog_epilog: true