occlum/example/build_content.sh
2023-11-07 09:26:20 +08:00

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#!/bin/bash
set -e
script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
export TF_DIR="${script_dir}/tf_serving"
function build_tf_serving()
{
# Dump tensorflow/serving container rootfs content
./dump_rootfs.sh -i tensorflow/serving -d ${TF_DIR} -g 2.5.1
pushd ${TF_DIR}
# Download pretrained resnet model
rm -rf resnet*
wget https://tfhub.dev/tensorflow/resnet_50/classification/1?tf-hub-format=compressed -O resnet.tar.gz
mkdir -p resnet/123
tar zxf resnet.tar.gz -C resnet/123
popd
}
function update_client_init_ra_conf()
{
# Fill in the keys
new_json="$(jq '.kms_keys = [ {"key": "ssl_config", "path": "/etc/tf_ssl.cfg"}]' init_ra_conf.json)" && \
echo "${new_json}" > init_ra_conf.json
# Fill in the KMS server measurements.
new_json="$(jq ' .ra_config.verify_mr_enclave = "off" |
.ra_config.verify_mr_signer = "on" |
.ra_config.verify_isv_prod_id = "off" |
.ra_config.verify_isv_svn = "off" |
.ra_config.verify_config_svn = "off" |
.ra_config.verify_enclave_debuggable = "on" |
.ra_config.sgx_mrs[0].mr_signer = ''"'`get_mr tf mrsigner`'" |
.ra_config.sgx_mrs[0].debuggable = false ' init_ra_conf.json)" && \
echo "${new_json}" > init_ra_conf.json
}
function build_tf_instance()
{
# generate tf image key
occlum gen-image-key image_key
rm -rf occlum_tf
# choose grpc_ratls as init ra kms client
occlum new occlum_tf --init-ra grpc_ratls
pushd occlum_tf
# prepare tf_serving content
rm -rf image
copy_bom -f ../tf_serving.yaml --root image --include-dir /opt/occlum/etc/template
# Try build first to get mrsigner
# In our case, client and server use the same sign-key thus also the same mrsigner
occlum build
new_json="$(jq '.resource_limits.user_space_size = "1MB" |
.resource_limits.user_space_max_size = "7000MB" |
.resource_limits.kernel_space_heap_size="1MB" |
.resource_limits.kernel_space_heap_max_size="384MB" |
.process.default_heap_size = "128MB" |
.resource_limits.max_num_of_threads = 64 |
.metadata.debuggable = false |
.env.default += ["OCCLUM_INIT_RA_KMS_SERVER=localhost:50051"] |
.env.untrusted += ["OCCLUM_INIT_RA_KMS_SERVER"]' Occlum.json)" && \
echo "${new_json}" > Occlum.json
# Update init_ra_conf json file accordingly before occlum build
update_client_init_ra_conf
occlum build --image-key ../image_key
occlum package occlum_instance
popd
}
function get_mr() {
cd ${script_dir}/occlum_$1 && occlum print $2
}
function gen_secret_json() {
# First generate cert/key by openssl
./generate_ssl_config.sh localhost
# Then do base64 encode
ssl_config=$(base64 -w 0 ssl_configure/ssl.cfg)
image_key=$(base64 -w 0 image_key)
# Then generate secret json
jq -n --arg ssl_config "$ssl_config" --arg image_key "$image_key" \
'{"ssl_config": $ssl_config, "image_key": $image_key}' > secret_config.json
}
function build_server_instance()
{
gen_secret_json
rm -rf occlum_server && occlum new occlum_server
pushd occlum_server
jq '.verify_mr_enclave = "on" |
.verify_mr_signer = "on" |
.verify_isv_prod_id = "off" |
.verify_isv_svn = "off" |
.verify_config_svn = "off" |
.verify_enclave_debuggable = "on" |
.sgx_mrs[0].mr_enclave = ''"'`get_mr tf mrenclave`'" |
.sgx_mrs[0].mr_signer = ''"'`get_mr tf mrsigner`'" |
.sgx_mrs[0].debuggable = false ' ../ra_config_template.json > dynamic_config.json
new_json="$(jq '.resource_limits.user_space_size = "1MB" |
.resource_limits.user_space_max_size = "500MB" |
.metadata.debuggable = false ' Occlum.json)" && \
echo "${new_json}" > Occlum.json
rm -rf image
copy_bom -f ../ra_server.yaml --root image --include-dir /opt/occlum/etc/template
occlum build
occlum package occlum_instance
popd
}
build_tf_serving
build_tf_instance
build_server_instance