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start-support.sh
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start-support.sh
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#!/bin/bash
# designed to be sourced
SKIP_SQUASH=0
CE_USER=ce
ENV=$(curl -sf http://169.254.169.254/latest/user-data || true)
ENV=${ENV:-prod}
DEPLOY_DIR=${PWD}/.deploy
COMPILERS_FILE=$DEPLOY_DIR/discovered-compilers.json
echo Running in environment "${ENV}"
# shellcheck disable=SC1090
source "${PWD}/site-${ENV}.sh"
get_conf() {
aws ssm get-parameter --name "$1" | jq -r .Parameter.Value
}
mount_opt() {
mkdir -p /opt/compiler-explorer
mountpoint /opt/compiler-explorer || mount --bind /efs/compiler-explorer /opt/compiler-explorer
mkdir -p /opt/intel
mountpoint /opt/intel || mount --bind /efs/intel /opt/intel
mkdir -p /opt/arm
mountpoint /opt/arm || mount --bind /efs/arm /opt/arm
mkdir -p /opt/qnx
mountpoint /opt/qnx || mount --bind /efs/qnx /opt/qnx
[ -f /opt/.health ] || touch /opt/.health
mountpoint /opt/.health || mount --bind /efs/.health /opt/.health
if [[ "${SKIP_SQUASH}" == "0" ]]; then
# don't be tempted to background this, it just causes everything to wedge
# during startup (startup time I/O etc goes through the roof).
./mount-all-img.sh
echo "Done mounting squash images"
fi
}
get_discovered_compilers() {
local DEST=$1
local S3_FILE=$2
S3_FILE=$(echo "${S3_FILE}" | sed -e 's/.*\/\d*/gh-/g' -e 's/.tar.xz/.json/g')
local URL=https://s3.amazonaws.com/compiler-explorer/dist/discovery/${BRANCH}/${S3_FILE}
echo "Discovered compilers from ${URL}"
curl -sf -o "${COMPILERS_FILE}" "${URL}" || true
}
get_released_code() {
local DEST=$1
local S3_KEY=$2
local URL=https://s3.amazonaws.com/compiler-explorer/${S3_KEY}
echo "Unpacking build from ${URL}"
mkdir -p "${DEST}"
pushd "${DEST}"
echo "${S3_KEY}" >s3_key
curl -sL "${URL}" | tar Jxf -
chown -R ${CE_USER}:${CE_USER} .
popd
}
update_code() {
local S3_KEY
local CUR_S3_KEY=""
echo "Check to see if CE code needs updating"
S3_KEY=$(curl -sL "https://s3.amazonaws.com/compiler-explorer/version/${BRANCH}")
if [[ -f "${DEPLOY_DIR}/s3_key" ]]; then
CUR_S3_KEY=$(cat "${DEPLOY_DIR}/s3_key")
fi
if [[ "${S3_KEY}" == "${CUR_S3_KEY}" ]]; then
echo "Build ${S3_KEY} already checked out"
else
rm -rf "${DEPLOY_DIR}"
get_released_code "${DEPLOY_DIR}" "${S3_KEY}"
get_discovered_compilers "${DEPLOY_DIR}" "${S3_KEY}"
fi
}
install_asmparser() {
rm -f /usr/local/bin/asm-parser
cp /opt/compiler-explorer/asm-parser/asm-parser /usr/local/bin
}
install_ninja() {
rm -f /usr/local/bin/ninja
cp "$(readlink -f /opt/compiler-explorer/ninja/ninja)" /usr/local/bin
}
setup_cgroups() {
if grep cgroup2 /proc/filesystems; then
cgcreate -a ${CE_USER}:${CE_USER} -g memory,pids,cpu:ce-sandbox
cgcreate -a ${CE_USER}:${CE_USER} -g memory,pids,cpu:ce-compile
chown ${CE_USER}:root /sys/fs/cgroup/cgroup.procs
else
cgcreate -a ${CE_USER}:${CE_USER} -g memory,pids,cpu,net_cls:ce-sandbox
cgcreate -a ${CE_USER}:${CE_USER} -g memory,pids,cpu,net_cls:ce-compile
fi
}
mount_nosym() {
mkdir -p /nosym
mount -onosymfollow --bind / /nosym
# seems to need a remount to pick it up properly on our version of Ubuntu (but not 23.10)
mount -oremount,nosymfollow --bind / /nosym
}