#!/bin/bash

if [ -z $OCCLUM_INSTANCE_DIR ];then
    OCCLUM_INSTANCE_DIR=".occlum"
fi

cat <<EOF
{
    "resource_limits": {
        "user_space_size": "$OCCLUM_CONF_USER_SPACE_SIZE"
    },
    "process": {
        "default_stack_size": "$OCCLUM_CONF_DEFAULT_STACK_SIZE",
        "default_heap_size": "$OCCLUM_CONF_DEFAULT_HEAP_SIZE",
        "default_mmap_size": "$OCCLUM_CONF_DEFAULT_MMAP_SIZE"
    },
    "mount": [
        {
            "target": "/",
            "type": "unionfs",
            "options": {
                "layers": [
                    {
                        "target": "/",
                        "type": "sefs",
                        "source": "$OCCLUM_INSTANCE_DIR/build/mount/__ROOT",
                        "options": {
                            "integrity_only": true,
                            "MAC": "$OCCLUM_CONF_ROOT_FS_MAC"
                        }
                    },
                    {
                        "target": "/",
                        "type": "sefs",
                        "source": "$OCCLUM_INSTANCE_DIR/run/mount/__ROOT"
                    }
                ]
            }
        },
        {
            "target": "/host",
            "type": "hostfs",
            "source": "."
        },
        {
            "target": "/tmp",
            "type": "ramfs"
        }
    ],
    "env": $OCCLUM_CONF_ENV,
    "entry_points": $OCCLUM_CONF_ENTRY_POINTS
}
EOF