Backend.AI 24.03 single machine installation on Ubuntu (package install)

install_packages_backendai_basic.sh

# Install docker
sudo apt update
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
sudo mkdir -p /usr/local/backendai
current_user=$(whoami)
sudo chown $current_user /usr/local/backendai
cd ~
arch=$(dpkg --print-architecture)
case $arch in
    arm64)
        INSTALLER_ARCH="aarch64"
        ;;
    amd64)
        INSTALLER_ARCH="x86_64"
        ;;
    *)
        INSTALLER_ARCH=""
        ;;
esac

curl -sLO https://github.com/lablup/backend.ai/releases/download/24.03.2/backendai-install-linux-$INSTALLER_ARCH
chmod 755 ./backendai-install-linux-$INSTALLER_ARCH 
./backendai-install-linux-$INSTALLER_ARCH --skip-sslcert-validation install --mode PACKAGE --target-path --headless /usr/local/backendai

# fallback routine. Resolved 
#mv ~/backendai/* /usr/local/backendai/

USER_ID=$(id -u)
GROUP_ID=$(id -g)
for BAI_SERVICE_NAME in manager agent webserver storage-proxy local-proxy
do
case $BAI_SERVICE_NAME in
    manager)
        EXEC_SCRIPT="manager mgr"
        ;;
    agent)
        EXEC_SCRIPT="agent ag"
        ;;
    webserver)
        EXEC_SCRIPT="webserver web"
        ;;
    storage-proxy)
        EXEC_SCRIPT="storage-proxy storage"
        ;;
    local-proxy)
        EXEC_SCRIPT="local-proxy"
        ;;
    *)
        EXEC_SCRIPT=""
        ;;
esac

cat <<- EOF | sudo tee /etc/systemd/system/backendai-$BAI_SERVICE_NAME.service > /dev/null
[Unit]
Description= Backend.AI $BAI_SERVICE_NAME service
Requires=network.target
After=network.target remote-fs.target
[Service]
Type=simple
ExecStart=/usr/local/backendai/backendai-$EXEC_SCRIPT start-server
PIDFile=/usr/local/backendai/$BAI_SERVICE_NAME.pid
User=$USER_ID
Group=$GROUP_ID
WorkingDirectory=/usr/local/backendai
TimeoutStopSec=5
KillMode=process
KillSignal=SIGTERM
PrivateTmp=false
Restart=on-failure
RestartSec=10
LimitNOFILE=5242880
LimitNPROC=131072
[Install]
WantedBy=multi-user.target
EOF
done

sudo systemctl start backendai-manager
sudo systemctl start backendai-agent
sudo systemctl start backendai-storage-proxy
sudo systemctl start backendai-webserver
sudo systemctl start backendai-local-proxy