sul-dlss/hydrox

packages:
  yum:
    nfs-utils: []
    jq: []

commands:
  01_mount:
    command: "/tmp/mount-efs.sh"

files:
  "/tmp/mount-efs.sh":
      mode: "000755"
      content : |
        #!/bin/bash

        EFS_REGION=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.AWS_REGION')
        EFS_MOUNT_DIR=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.MOUNT_DIRECTORY')
        EFS_FILE_SYSTEM_ID=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r '.FILE_SYSTEM_ID')

        echo "Mounting EFS filesystem ${EFS_DNS_NAME} to directory ${EFS_MOUNT_DIR} ..."

        echo 'Stopping NFS ID Mapper...'
        service rpcidmapd status &> /dev/null
        if [ $? -ne 0 ] ; then
            echo 'rpc.idmapd is already stopped!'
        else
            service rpcidmapd stop
            if [ $? -ne 0 ] ; then
                echo 'ERROR: Failed to stop NFS ID Mapper!'
                exit 1
            fi
        fi

        echo 'Checking if EFS mount directory exists...'
        if [ ! -d ${EFS_MOUNT_DIR} ]; then
            echo "Creating directory ${EFS_MOUNT_DIR} ..."
            mkdir -p ${EFS_MOUNT_DIR}
            if [ $? -ne 0 ]; then
                echo 'ERROR: Directory creation failed!'
                exit 1
            fi
        else
            echo "Directory ${EFS_MOUNT_DIR} already exists!"
        fi

        mountpoint -q ${EFS_MOUNT_DIR}
        if [ $? -ne 0 ]; then
            echo "mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${EFS_FILE_SYSTEM_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}"
            mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${EFS_FILE_SYSTEM_ID}.efs.${EFS_REGION}.amazonaws.com:/ ${EFS_MOUNT_DIR}
            if [ $? -ne 0 ] ; then
                echo 'ERROR: Mount command failed!'
                exit 1
            fi
            chmod 777 ${EFS_MOUNT_DIR}
            runuser -l  ec2-user -c "touch ${EFS_MOUNT_DIR}/it_works"
            if [[ $? -ne 0 ]]; then
                echo 'ERROR: Permission Error!'
                exit 1
            else
                runuser -l  ec2-user -c "rm -f ${EFS_MOUNT_DIR}/it_works"
            fi
        else
            echo "Directory ${EFS_MOUNT_DIR} is already a valid mountpoint!"
        fi

        echo 'EFS mount complete.'