error codes

gistfile1.txt

#!/usr/bin/env bash

# Error codes
AGENT_NOT_INSTALLED=101
AGENT_NOT_ACTIVE=102

function get_datadog_status() {
    if command -v systemctl &>/dev/null; then
      agent_status=$(systemctl status datadog-agent.service 2>/dev/null)
      if [ $? -ne 0 ]; then
        echo "E$AGENT_NOT_INSTALLED: Datadog agent not installed"
        return $AGENT_NOT_INSTALLED
      fi
      agent_health=$(echo "$agent_status" | awk '/Active:/ {print $2}')
    else
      agent_status=$(service datadog-agent status 2>/dev/null)
      if [ $? -ne 0 ]; then
        echo "E$AGENT_NOT_INSTALLED: Datadog agent not installed"
        return $AGENT_NOT_INSTALLED
      fi
      agent_health=$(echo "$agent_status" | awk '/Active:/ {print $2}')
    fi
    echo "Health: $agent_health"
    if [ "$agent_health" != 'active' ]; then
        echo "E$AGENT_NOT_ACTIVE: Agent not active"
        return $AGENT_NOT_ACTIVE
    fi
    return 0
}
get_datadog_status
exit $?