install_cwagent.sh

#!/usr/bin/env sh
CLOUD_WATCH_AGENT_URL=https://s3.amazonaws.com/amazoncloudwatch-agent/amazon_linux/amd64/latest/amazon-cloudwatch-agent.rpm
CLOUD_WATCH_AGENT_CONFIG_URL=https://gist.githubusercontent.com/amit-gshe/5849485bb1bdec8192e9c7b190994151/raw/6bc8175460add58e8ba8c354b617abebc053730d/config.json
check_command() {
    for command in $@ 
    do
        if ! [ -x "$(command -v $command)" ]; then
            echo "Error: command $command not exists"
            exit 1
        fi
    done  
}

download() {
    echo "Downloading the $1..."
    curl -C - --connect-timeout 10 --speed-limit 1024 -# -J -O $2
    if [ $? -ne 0 ]; then
        echo "Failed to download the $1"
        exit 1
    fi
}

check_command curl
download "cloud watch agent" $CLOUD_WATCH_AGENT_URL
download "cloud watch agent config" $CLOUD_WATCH_AGENT_CONFIG_URL
sudo rpm -U ./amazon-cloudwatch-agent.rpm
sudo cp ./config.json /opt/aws/amazon-cloudwatch-agent/bin/
sudo mkdir -p /usr/share/collectd
sudo touch /usr/share/collectd/types.db
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a fetch-config -m ec2 -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json -s
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a status