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Autoscale Mixer Node Configuration

1 - Download the Red5 Pro Mixer artifacts. These artifacts includes the required libraries and mixer webapp, and can not be used for other node types.

2 - Install Red5 Pro server.

3 - Configure Autoscaling on the Mixer node instance. Example configuration for AWS node deployment.

4 - Install the following CEF Mixer dependencies on the instance (note: you may need to run the following commands as sudo):

sudo apt-get update
sudo apt-get install -y build-essential autoconf automake \
gdb git libffi-dev zlib1g-dev libssl-dev pkg-config \
cmake maven libgtk2.0-dev libgtkglext1-dev \
libgtkglext1 python-dev python-numpy libtbb2 libtbb-dev \
libjpeg-dev libpng-dev libtiff-dev libdc1394-22-dev \
libxkbcommon-dev libxkbcommon-x11-0 libgbm-dev
sudo apt-get install libatk-bridge2.0-0
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-4.9
sudo apt-get upgrade libstdc++6

5 - Unzip red5pro-mixer-server-{version}.zip, copy mixer artifacts for red5pro server and move CefRenderer to the /usr/local/ directory of your mixer node.

unzip red5pro-mixer-server-{version}-release.zip
cd red5pro-mixer-server-{version}-release
sudo cp -R red5pro/* /usr/local/red5pro/
sudo mv CefRenderer /usr/local/CefRenderer

6 - Configure the password/digest for the Mixer (this must match the stream manager access token)

Edit the /usr/local/red5pro/webapps/mixer/WEB-INF/red5-web.xml file, setting the web.handler password value to that of the Stream Manager Access Token. 

<bean id="web.handler" class="com.red5pro.cef.Application">
	<property name="password" value="sm-access-token" />        
</bean>

7 - Restart the Red5 Pro service:

sudo systemctl restart red5pro.service

8 - Verify the mixer is running by opening the page: http://server-ip:5080/mixer/controller.html. If testing compositions with this page, make sure the digest/password is set to the stream manager access token. Example: sm-access-token

9 - Create image from this Mixer node instance. Name of this image will be used in Launch config for node group creation with Mixer nodes (API calls to Stream Manager)