Installs AWS monitor scripts for reporting memory and disk space.

bootstrap_aws_mon.sh

#!/usr/bin/env bash
#TODO(robbie): this should be handled via IAM role (newer instances).
aws_access_key=""
aws_secret_key=""

install_aws_mon() {
  apt-get update
  apt-get install -y unzip libwww-perl libdatetime-perl
  local aws_mon_file="CloudWatchMonitoringScripts-${1:-1.2.1}.zip"
  local script="/opt/aws-scripts-mon/mon-put-instance-data.pl"
  local awscred_file="/opt/aws-scripts-mon/awscreds.template"
  curl -o "/tmp/$aws_mon_file" "http://aws-cloudwatch.s3.amazonaws.com/downloads/$aws_mon_file"
  unzip -o "/tmp/$aws_mon_file" -d "/opt" && rm "/tmp/$aws_mon_file"
  chmod 0754 "$script"
  # update aws credentials
  cat <<EOF > "$awscred_file"
AWSAccessKeyId=$aws_access_key
AWSSecretKey=$aws_secret_key
EOF
  # execute memory every minute
  local options="--aws-credential-file=$awscred_file --from-cron --mem-util --mem-used --mem-avail"
  local line="*/1 * * * * $script $options"
  (crontab -u root -l; echo "$line" ) | crontab -u root -
  # execute disk chef every hour
  local options="--aws-credential-file=$awscred_file --from-cron --disk-path=/ --disk-space-util --disk-space-used --disk-space-avail"
  local line="* */1 * * * $script $options"
  (crontab -u root -l; echo "$line" ) | crontab -u root -
}

install_aws_mon "1.2.1"