This guide is a quick, and easy way to setup docker, prometheus, and grafana for getting the metrics from a Pure FlashArray.
yum clean all; yum install -y vim yum-utils && yum-config-manager -y --add-repo https://download.docker.com/linux/centos/docker-ce.repo && yum install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin && mkdir -p /etc/docker && systemctl start docker