occlum/demos/flink/build_occlum_instance.sh
2024-06-13 20:08:09 +08:00

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#!/bin/bash
set -e
BLUE='\033[1;34m'
NC='\033[0m'
RPC_BIND_PORT=8089
OCCLUM_USER_SPACE_SIZE=8GB
build_instance() {
postfix=$1
rm -rf occlum_instance*
occlum new occlum_instance_$postfix
cd occlum_instance_$postfix
new_json="$(jq '.resource_limits.user_space_size = "1MB" |
.resource_limits.user_space_max_size = "OCCLUM_USER_SPACE_SIZE" |
.resource_limits.kernel_space_heap_size="1MB" |
.resource_limits.kernel_space_heap_max_size="256MB" |
.resource_limits.max_num_of_threads = 256 |
.entry_points = [ "/usr/lib/jvm/java-11-openjdk-amd64/bin" ] |
.env.default = [ "LD_LIBRARY_PATH=/usr/lib/jvm/java-11-openjdk-amd64/lib/server:/usr/lib/jvm/java-11-openjdk-amd64/lib" ] |
.env.default = [ "FLINK_HOME=/opt/flink" ] |
.env.default = [ "JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64" ] |
.env.default = [ "HOME=/root" ] |
.env.untrusted += [ "TZ", "FLINK_CONF_DIR" ]' Occlum.json)" && \
echo "${new_json}" > Occlum.json
# Copy JVM and class file into Occlum instance and build
rm -rf image
copy_bom -f ../flink.yaml --root image --include-dir /opt/occlum/etc/template
# Use hostfs for flink conf in k8s mode
if [ "$postfix" == "k8s" ]; then
# Increase user space size for k8s mode
OCCLUM_USER_SPACE_SIZE=16GB
rm -rf image/opt/flink*/conf/*
new_json="$(cat Occlum.json | jq '.mount+=[{"target": "/opt/flink/conf", "type": "hostfs","source": "/opt/flink/conf-copy"}]')" && \
echo "${new_json}" > Occlum.json
# use host secrets
mkdir -p image/var/run/secrets
new_json="$(cat Occlum.json | jq '.mount+=[{"target": "/var/run/secrets", "type": "hostfs","source": "/var/run/secrets-copy"}]')" && \
echo "${new_json}" > Occlum.json
# k8s pod template
mkdir -p image/opt/flink/pod-template
new_json="$(cat Occlum.json | jq '.mount+=[{"target": "/opt/flink/pod-template", "type": "hostfs","source": "/opt/flink/pod-template-copy"}]')" && \
echo "${new_json}" > Occlum.json
fi
# Update user size
sed -i "s/OCCLUM_USER_SPACE_SIZE/$OCCLUM_USER_SPACE_SIZE/g" Occlum.json
occlum build
occlum package --debug
cd ..
}
update_flink_conf() {
echo "rest.port: $RPC_BIND_PORT" >> flink-1.15.2/conf/flink-conf.yaml
}
if [ "$1" == "k8s" ]; then
echo "do occlum instance build for k8s mode"
build_instance k8s
else
update_flink_conf
build_instance jobmanager
# flink job manager and taks manager use the same occlum instance
cp -rf occlum_instance_jobmanager occlum_instance_taskmanager
fi