Create .NET Core 2.2 runtime production environment on Centos 7

create-centos7-dotnetcore-runtime-prod.sh

#!/bin/bash
# for a quick installation of this script run the following command
# bash <(curl -L https://gist.github.com/Dzoge/8adb0c80aabb12309c030663247a230a/raw)


# Update Packages
yum upgrade -y

# Install dotnet runtime
rpm -Uvh https://packages.microsoft.com/config/rhel/7/packages-microsoft-prod.rpm
yum update -y
yum install dotnet-sdk-2.2 -y
dotnet --list-runtimes
runtimes_count=$(dotnet --list-runtimes | grep Microsoft.AspNetCore | wc -l)
if [ $runtimes_count = "0" ]; then
  echo "Error: DotNet core runtimes not found" 1>&2
  exit 1
fi

# Preapare infrastructure for web application
useradd www
mkdir /var/www
cd /var/www

printf "\n\nEnter your web application name\n"
read -p "(this is the main dll file of your app without dll suffix): " app_name

printf "\n\nEnter TCP Port number for the kestel listener\n"
read -p "(default is 5000): " -i 5000 -e listener_port
if [[ -n ${listener_port//[0-9]/} ]]; then
    echo "Error: Invalid listener port number" 1>&2
    exit 2
fi

mkdir $app_name
chown -R www:www /var/www
printf "\n\nYou should copy your web application files into the following folder:\n"
echo /var/www/$app_name
printf "\n\n"

# Create service for dotnet web application process
printf "\
[Unit]\n\
Description=$app_name - .NET Core web application\n\
\n\
[Service]\n\
WorkingDirectory=/var/www/$app_name\n\
ExecStart=/usr/bin/dotnet /var/www/$app_name/$app_name.dll\n\
Restart=always\n\
RestartSec=10\n\
SyslogIdentifier=$app_name\n\
User=www\n\
Environment=ASPNETCORE_URLS="http://*:$listener_port"
Environment=ASPNETCORE_ENVIRONMENT=Production\n\
Environment=DOTNET_PRINT_TELEMETRY_MESSAGE=false\n\
Environment=DOTNET_CLI_TELEMETRY_OPTOUT=false\n\
\n\
[Install]\n\
WantedBy=multi-user.target\n" >  /etc/systemd/system/$app_name.service

firewall-cmd --permanent --add-port=$listener_port/tcp
firewall-cmd --reload
firewall-cmd --list-ports | grep $listener_port

systemctl enable $app_name
#systemctl start $app_name
#sleep 5
#systemctl status $app_name
#service_check=$(systemctl status $app_name | grep "active (runing)" | wc -l)
#if [ $service_check <> "0" ]; then
#  echo "Error: Service $appname is not running" 1>&2
#  exit 1
#fi

# Request homepage content
#printf "\n"
#curl -v -s http://127.0.0.1:$listener_port 1> /dev/null
#printf "\n"

# Install performance tools
# https://github.com/iovisor/bcc/blob/master/INSTALL.md#centos---source
yum install -y kernel-devel perf epel-release
yum update -y
yum groupinstall -y "Development tools"
yum install -y elfutils-libelf-devel cmake3 git bison flex ncurses-devel luajit luajit-devel
yum install -y cmake

yum install -y centos-release-scl
yum-config-manager --enable rhel-server-rhscl-7-rpms
yum install -y devtoolset-7 llvm-toolset-7 llvm-toolset-7-llvm-devel llvm-toolset-7-llvm-static llvm-toolset-7-clang-devel
source scl_source enable devtoolset-7 llvm-toolset-7

printf "\
#!/bin/bash\n\
\n\
source scl_source enable devtoolset-7 llvm-toolset-7\n\
\n" >  /etc/profile.d/devtools-enable-sclsource.sh
chmod +x /etc/profile.d/devtools-enable-sclsource.sh

cd ~/
git clone https://github.com/iovisor/bcc.git
mkdir bcc/build
cd bcc/build
cmake .. -DCMAKE_INSTALL_PREFIX=/usr
make
make install
cd ~/
rm -rf bcc