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PiperOrigin-RevId: 692986299

modules/s4/app.tf

@@ -110,10 +110,10 @@ resource "google_compute_instance" "sapdapp11" {
     ]
   }
   machine_type = var.app_machine_type
-  metadata = {
+  metadata = merge(var.custom_app_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.app_machine_type, "Automatic")
   name             = length(var.app_vm_names) > (0 + (count.index * 2)) ? var.app_vm_names[0 + (count.index * 2)] : "${var.vm_prefix}app1${1 + (count.index * 2)}"
   network_interface {

modules/s4/ascs.tf

@@ -83,10 +83,10 @@ resource "google_compute_instance" "sapdascs11" {
     ]
   }
   machine_type = var.ascs_machine_type
-  metadata = {
+  metadata = merge(var.custom_ascs_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.ascs_machine_type, "Automatic")
   name             = length(var.ascs_vm_names) > 0 ? var.ascs_vm_names[0] : "${var.vm_prefix}ascs11"
   network_interface {

modules/s4/db.tf

@@ -178,10 +178,10 @@ resource "google_compute_instance" "sapddb11" {
     ]
   }
   machine_type = var.db_machine_type
-  metadata = {
+  metadata = merge(var.custom_db_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.db_machine_type, "Automatic")
   name             = length(var.db_vm_names) > 0 ? var.db_vm_names[0] : "${var.vm_prefix}db11"
   network_interface {

modules/s4/variables.tf

@@ -428,3 +428,20 @@ variable "disk_size_map" {
   type        = map(number)
 }
 
+variable "custom_app_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the app VMs."
+  default     = {}
+}
+
+variable "custom_ascs_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the ASCS VMs."
+  default     = {}
+}
+
+variable "custom_db_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the DB VMs."
+  default     = {}
+}

modules/s4_ha/app.tf

@@ -173,10 +173,10 @@ resource "google_compute_instance" "sapdapp11" {
     ]
   }
   machine_type = var.app_machine_type
-  metadata = {
+  metadata = merge(var.custom_app_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.app_machine_type, "Automatic")
   name             = length(var.app_vm_names) > (0 + (count.index * 2)) ? var.app_vm_names[0 + (count.index * 2)] : "${var.vm_prefix}app1${1 + (count.index * 2)}"
   network_interface {

modules/s4_ha/ascs.tf

@@ -197,10 +197,10 @@ resource "google_compute_instance" "sapdascs11" {
     ]
   }
   machine_type = var.ascs_machine_type
-  metadata = {
+  metadata = merge(var.custom_ascs_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.ascs_machine_type, "Automatic")
   name             = length(var.ascs_vm_names) > 0 ? var.ascs_vm_names[0] : "${var.vm_prefix}ascs11"
   network_interface {
@@ -246,10 +246,10 @@ resource "google_compute_instance" "sapdascs12" {
     ]
   }
   machine_type = var.ascs_machine_type
-  metadata = {
+  metadata = merge(var.custom_ascs_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  }) 
   min_cpu_platform = lookup(local.cpu_platform_map, var.ascs_machine_type, "Automatic")
   name             = length(var.ascs_vm_names) > 1 ? var.ascs_vm_names[1] : "${var.vm_prefix}ascs12"
   network_interface {

modules/s4_ha/db.tf

@@ -327,10 +327,10 @@ resource "google_compute_instance" "sapddb11" {
     ]
   }
   machine_type = var.db_machine_type
-  metadata = {
+  metadata = merge(var.custom_db_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.db_machine_type, "Automatic")
   name             = length(var.db_vm_names) > 0 ? var.db_vm_names[0] : "${var.vm_prefix}db11"
   network_interface {
@@ -398,10 +398,10 @@ resource "google_compute_instance" "sapddb12" {
     ]
   }
   machine_type = var.db_machine_type
-  metadata = {
+  metadata = merge(var.custom_db_metadata, {
     enable-oslogin = "FALSE"
     ssh-keys       = ""
-  }
+  })
   min_cpu_platform = lookup(local.cpu_platform_map, var.db_machine_type, "Automatic")
   name             = length(var.db_vm_names) > 1 ? var.db_vm_names[1] : "${var.vm_prefix}db12"
   network_interface {

modules/s4_ha/variables.tf

@@ -451,10 +451,26 @@ variable "zone2_name" {
   type        = string
 }
 
-
 variable "disk_size_map" {
   default     = {}
   description = "disk_size_map"
   type        = map(number)
 }
 
+variable "custom_app_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the app VMs."
+  default     = {}
+}
+
+variable "custom_ascs_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the ASCS VMs."
+  default     = {}
+}
+
+variable "custom_db_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the DB VMs."
+  default     = {}
+}

modules/sap_ase/main.tf

@@ -240,13 +240,13 @@ resource "google_compute_instance" "sap_ase_instance" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_metadata, {
     startup-script         = local.primary_startup_url
     post_deployment_script = var.post_deployment_script
     sap_deployment_debug   = var.sap_deployment_debug
     sap_ase_sid            = var.ase_sid
     template-type          = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.

modules/sap_ase/variables.tf

@@ -227,3 +227,9 @@ variable "can_ip_forward" {
   description = "Whether sending and receiving of packets with non-matching source or destination IPs is allowed."
   default     = true
 }
+
+variable "custom_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the VM."
+  default     = {}
+}

modules/sap_db2/main.tf

@@ -274,13 +274,13 @@ resource "google_compute_instance" "sap_db2_instance" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_metadata, {
     startup-script         = local.primary_startup_url
     post_deployment_script = var.post_deployment_script
     sap_deployment_debug   = var.sap_deployment_debug
     sap_ibm_db2_sid        = var.db2_sid
     template-type          = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.

modules/sap_db2/variables.tf

@@ -237,3 +237,9 @@ variable "can_ip_forward" {
   description = "Whether sending and receiving of packets with non-matching source or destination IPs is allowed."
   default     = true
 }
+
+variable "custom_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the VM."
+  default     = {}
+}

modules/sap_hana/main.tf

@@ -549,7 +549,7 @@ resource "google_compute_instance" "sap_hana_primary_instance" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_primary_metadata, {
     startup-script                  = local.primary_startup_url
     post_deployment_script          = var.post_deployment_script
     sap_deployment_debug            = var.sap_deployment_debug
@@ -574,7 +574,7 @@ resource "google_compute_instance" "sap_hana_primary_instance" {
     data_stripe_size                = var.data_stripe_size
     log_stripe_size                 = var.log_stripe_size
     template-type                   = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.
@@ -681,7 +681,7 @@ resource "google_compute_instance" "sap_hana_worker_instances" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_secondary_metadata, {
     startup-script                  = local.secondary_startup_url
     post_deployment_script          = var.post_deployment_script
     sap_deployment_debug            = var.sap_deployment_debug
@@ -705,7 +705,7 @@ resource "google_compute_instance" "sap_hana_worker_instances" {
     data_stripe_size                = var.data_stripe_size
     log_stripe_size                 = var.log_stripe_size
     template-type                   = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.

modules/sap_hana/variables.tf

@@ -551,3 +551,15 @@ variable "log_stripe_size" {
   description = "Optional - default is 64k. Stripe size for log volume striping (if enable_log_striping = true)."
   default     = "64k"
 }
+
+variable "custom_primary_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the primary VM."
+  default     = {}
+}
+
+variable "custom_secondary_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the secondary VMs."
+  default     = {}
+}

modules/sap_hana_ha/main.tf

@@ -647,7 +647,8 @@ resource "google_compute_instance" "sap_hana_ha_primary_instance" {
       log_stripe_size                 = var.log_stripe_size
       template-type                   = "TERRAFORM"
     },
-    local.wlm_metadata
+    local.wlm_metadata,
+    var.custom_primary_metadata
   )
 
   lifecycle {
@@ -792,7 +793,8 @@ resource "google_compute_instance" "sap_hana_ha_primary_workers" {
       log_stripe_size                 = var.log_stripe_size
       template-type                   = "TERRAFORM"
     },
-    local.wlm_metadata
+    local.wlm_metadata,
+    var.custom_primary_metadata
   )
 
   lifecycle {
@@ -1047,7 +1049,8 @@ resource "google_compute_instance" "sap_hana_ha_secondary_instance" {
       log_stripe_size                 = var.log_stripe_size
       template-type                   = "TERRAFORM"
     },
-    local.wlm_metadata
+    local.wlm_metadata,
+    var.custom_secondary_metadata
   )
 
   lifecycle {
@@ -1192,7 +1195,8 @@ resource "google_compute_instance" "sap_hana_ha_secondary_workers" {
       log_stripe_size                 = var.log_stripe_size
       template-type                   = "TERRAFORM"
     },
-    local.wlm_metadata
+    local.wlm_metadata,
+    var.custom_secondary_metadata
   )
 
   lifecycle {
@@ -1387,7 +1391,8 @@ resource "google_compute_instance" "sap_majority_maker_instance" {
       majority_maker_zone             = local.mm_fully_defined ? var.majority_maker_zone : ""
       template-type                   = "TERRAFORM"
     },
-    local.wlm_metadata
+    local.wlm_metadata,
+    var.custom_mm_metadata
   )
 
   lifecycle {

modules/sap_hana_ha/variables.tf

@@ -606,3 +606,21 @@ variable "log_stripe_size" {
   description = "Optional - default is 64k. Stripe size for log volume striping (if enable_log_striping = true)."
   default     = "64k"
 }
+
+variable "custom_primary_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the primary VM."
+  default     = {}
+}
+
+variable "custom_secondary_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the secondary VMs."
+  default     = {}
+}
+
+variable "custom_mm_metadata" {
+  type = map<string, string>
+  description = "Optional - default is empty. Custom metadata to be added to the majority maker VM."
+  default     = {}
+}

modules/sap_hana_scaleout/main.tf

@@ -357,7 +357,7 @@ resource "google_compute_instance" "sap_hana_scaleout_primary_instance" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_primary_metadata,{
     startup-script                  = local.primary_startup_url
     post_deployment_script          = var.post_deployment_script
     sap_deployment_debug            = var.sap_deployment_debug
@@ -380,7 +380,7 @@ resource "google_compute_instance" "sap_hana_scaleout_primary_instance" {
     sap_hana_data_disk_type         = local.final_data_disk_type
     native_bm                       = local.native_bm
     template-type                   = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.
@@ -468,7 +468,7 @@ resource "google_compute_instance" "sap_hana_scaleout_worker_instances" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_secondary_metadata, {
     startup-script             = local.secondary_startup_url
     post_deployment_script     = var.post_deployment_script
     sap_deployment_debug       = var.sap_deployment_debug
@@ -491,7 +491,7 @@ resource "google_compute_instance" "sap_hana_scaleout_worker_instances" {
     use_single_data_log_disk        = var.use_single_data_log_disk
     native_bm                       = local.native_bm
     template-type                   = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.
@@ -562,7 +562,7 @@ resource "google_compute_instance" "sap_hana_scaleout_standby_instances" {
     }
   }
 
-  metadata = {
+  metadata = merge(var.custom_standby_metadata, {
     startup-script             = local.secondary_startup_url
     post_deployment_script     = var.post_deployment_script
     sap_deployment_debug       = var.sap_deployment_debug
@@ -585,7 +585,7 @@ resource "google_compute_instance" "sap_hana_scaleout_standby_instances" {
     sap_hana_standby_nodes          = var.sap_hana_standby_nodes
     native_bm                       = local.native_bm
     template-type                   = "TERRAFORM"
-  }
+  })
 
   lifecycle {
     # Ignore changes in the instance metadata, since it is modified by the SAP startup script.