Preparing the Configuration File

Procedure

1. Log in to an ASCS node as user root using a key or password.
2. On the CLI, download the compressed software package s4autoscaling.zip to the /sapmnt/{sid} directory, for example, /sapmnt/NW0/.

   wget https://obs-sap.cn-east-2.myhuaweicloud.com/autoscaling/s4autoscaling.zip -P /sapmnt/NW0

3. Run the following command to decompress s4autoscaling.zip:

   unzip s4autoscaling.zip -d /sapmnt/NW0

4. Run the following command to open the config.json file:

   vi /sapmnt/NW0/autoscaling/config.json

5. Edit the parameters in the config.json file based on actual requirements. For details, see Table 1.

   Table 1 Parameter description

   Parameter	Description	Example Value
   SID	System ID of the SAP S/4HANA system	NW0
   SchemaPW	Schema password of the SAP HANA database	xiaoxiao@123
   MasterPW	Password configured when installing AAS	xiaoxiao@123
   SYSTEMPW	SYSTEM password of the SAP HANA database	xiaoxiao@123
   SapmntPATH	sapmnt directory shared to AAS, for example, /sapmnt/{SID}	10.0.0.41:/sapmnt/NW0
   PASInctanceNR	PAS instance ID	01
   Region	Region where the S/4HANA system resources are located	cn-south-1
   DDICPasswd	DDIC user password	xiaoxiao@123
   LogonGroup	Name of the created logon group	tst_group
   InstallVersion	In the current version, only 1709 is supported. The value must be S4_1709.	S4_1709
   AASImageID	Image ID required by AAS ECSs. If this parameter is left blank, use the image that is the same as that of PAS. NOTE: The pip tool must be installed in the image for provisioning AAS ECSs.	Leave this parameter blank.
   ExistedAASIDs	If AASs already exist in the S/4HANA system, set this parameter to, for example, ExistedAASIDs":["981224766","964679324"]. If no AAS exists in the S/4HANA system, leave this parameter blank. For example, [].	["981224766","964679324"]
   AASFlavorID	Flavor of AAS ECSs. If this parameter is left blank, select the flavor that is the same as that of PASs.	s1.xlarge
   AgencyName	Agency name, which must be the same as that of the created agency in section Creating an Agency.	NW_scaling_agency
   UserName	HUAWEI CLOUD username	sap_xiao458925
   DomainName	HUAWEI CLOUD domain name	sap_xxx4157666
   IAMEndpoint	Endpoint address of HUAWEI CLOUD IAM. The value must be iam.myhuaweicloud.com.	iam.myhuaweicloud.com
   KeypairName	Name of the key pair used for provisioning AAS ECSs. If this parameter is left blank, use the key pair that is the same as that of PASs. (You can only use key pairs to log in to AASs.)	Keypair-lf
   ContactPhone	Phone number of the S/4HANA system administrator, which is used to receive AS information	188292004xx
   ContactEmail	Email address of the S/4HANA system administrator, which is used to receive AS information	1oss.zhang@huawei.com

6. After the editing is complete, press Esc to exit the editing mode.
7. Enter :wq and press Enter.