---
schemaVersion: "2.2"
description: "Set Up Required OS parameters"
mainSteps:
- action: "aws:runShellScript"
  name: "Set_up_parameters"
  inputs:
    runCommand:
    - #!/bin/bash
    - echo "`date` Starting the OS parameters setup" | tee -a $SSM_LOG_FILE
    - # Configuration according to SAP Note #2002167
    - touch /etc/sysctl.d/sap.conf
    - echo kernel.sem=1250 256000 100 1024 >> /etc/sysctl.d/sap.conf
    - echo vm.max_map_count=2000000 >> /etc/sysctl.d/sap.conf
    - sysctl --system | tee -a $SSM_LOG_FILE
    - tuned --daemon | tee -a $SSM_LOG_FILE
    - tuned-adm profile sap-netweaver | tee -a $SSM_LOG_FILE
    - tuned-adm profile | grep "Current active profile " | tee -a $SSM_LOG_FILE
    - yum install -y uuidd | tee -a $SSM_LOG_FILE
    - chkconfig uuidd on | tee -a $SSM_LOG_FILE
    - service uuidd start | tee -a $SSM_LOG_FILE
- action: "aws:runShellScript"
  name: "Set_up_ntp"
  inputs:
    runCommand:
    - #!/bin/bash
    - cp /etc/ntp.conf /etc/ntp.conf.backup
    - echo "server 0.pool.ntp.org" >> /etc/ntp.conf
    - echo "server 1.pool.ntp.org" >> /etc/ntp.conf
    - echo "server 2.pool.ntp.org" >> /etc/ntp.conf
    - echo "server 3.pool.ntp.org" >> /etc/ntp.conf
    - systemctl start ntpd
    - echo "systemctl start ntpd" >> /etc/init.d/boot.local
- action: "aws:runShellScript"
  name: "Set_up_net"
  inputs:
    runCommand:
    - #!/bin/bash
    - sed -i '/DHCLIENT_SET_HOSTNAME/ c\DHCLIENT_SET_HOSTNAME="no"' /etc/sysconfig/network/dhcp | tee -a $SSM_LOG_FILE
    - service network restart | tee -a $SSM_LOG_FILE