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vm-hdb.tf
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/*-----------------------------------------------------------------------------8
| |
| HANA - VMs |
| |
+--------------------------------------4--------------------------------------*/
# NICS ============================================================================================================
/*-----------------------------------------------------------------------------8
HANA DB Linux Server private IP range: .10 -
+--------------------------------------4--------------------------------------*/
#########################################################################################
# #
# Admin Network Interface #
# #
#########################################################################################
resource "azurerm_network_interface" "nics_dbnodes_admin" {
provider = azurerm.main
count = local.enable_deployment && var.database_dual_nics && length(try(var.admin_subnet.id, "")) > 0 ? (
var.database_server_count) : (
0
)
depends_on = [ azurerm_network_interface.nics_dbnodes_db ]
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.admin_nic,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
local.resource_suffixes.admin_nic
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
enable_accelerated_networking = true
tags = var.tags
ip_configuration {
name = "ipconfig1"
subnet_id = var.admin_subnet.id
private_ip_address = try(var.database_vm_admin_nic_ips[count.index], var.database.use_DHCP ? (
null) : (
cidrhost(
var.admin_subnet.address_prefixes[0],
tonumber(count.index) + local.hdb_ip_offsets.hdb_admin_vm
)
)
)
private_ip_address_allocation = length(try(var.database_vm_admin_nic_ips[count.index], "")) > 0 ? (
"Static") : (
"Dynamic"
)
}
}
#########################################################################################
# #
# Primary Network Interface #
# #
#########################################################################################
resource "azurerm_network_interface" "nics_dbnodes_db" {
provider = azurerm.main
count = local.enable_deployment ? var.database_server_count : 0
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.db_nic,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
local.resource_suffixes.db_nic
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
enable_accelerated_networking = true
tags = var.tags
dynamic "ip_configuration" {
iterator = pub
for_each = local.database_ips
content {
name = pub.value.name
subnet_id = pub.value.subnet_id
private_ip_address = try(pub.value.nic_ips[count.index],
var.database.use_DHCP ? (
null) : (
cidrhost(
var.db_subnet.address_prefixes[0],
tonumber(count.index) + local.hdb_ip_offsets.hdb_db_vm + pub.value.offset
)
)
)
private_ip_address_allocation = length(try(pub.value.nic_ips[count.index], "")) > 0 ? (
"Static") : (
pub.value.private_ip_address_allocation
)
primary = pub.value.primary
}
}
}
resource "azurerm_network_interface_application_security_group_association" "db" {
provider = azurerm.main
count = local.enable_deployment ? (
var.deploy_application_security_groups ? var.database_server_count : 0) : (
0
)
network_interface_id = azurerm_network_interface.nics_dbnodes_db[count.index].id
application_security_group_id = var.db_asg_id
}
#########################################################################################
# #
# Storage Network Interface #
# #
#########################################################################################
resource "azurerm_network_interface" "nics_dbnodes_storage" {
provider = azurerm.main
count = local.enable_deployment && local.enable_storage_subnet ? var.database_server_count : 0
depends_on = [ azurerm_network_interface.nics_dbnodes_db, azurerm_network_interface.nics_dbnodes_admin ]
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.storage_nic,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
local.resource_suffixes.storage_nic
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
enable_accelerated_networking = true
tags = var.tags
ip_configuration {
primary = true
name = "ipconfig1"
subnet_id = var.storage_subnet.id
private_ip_address = var.database.use_DHCP ? (
null) : (
length(try(var.database_vm_storage_nic_ips[count.index], "")) > 0 ? (
var.database_vm_storage_nic_ips[count.index]) : (
cidrhost(
var.storage_subnet[0].address_prefixes[0],
tonumber(count.index) + local.hdb_ip_offsets.hdb_scaleout_vm
)
)
)
private_ip_address_allocation = var.database.use_DHCP ? "Dynamic" : "Static"
}
}
# VIRTUAL MACHINES ================================================================================================
# Manages Linux Virtual Machine for HANA DB servers
resource "azurerm_linux_virtual_machine" "vm_dbnode" {
provider = azurerm.main
count = local.enable_deployment ? var.database_server_count : 0
depends_on = [var.anchor_vm]
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.vm,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
local.resource_suffixes.vm
)
computer_name = var.naming.virtualmachine_names.HANA_COMPUTERNAME[count.index]
resource_group_name = var.resource_group[0].name
location = var.resource_group[0].location
proximity_placement_group_id = var.database.use_ppg ? (
var.ppg[count.index % max(local.db_zone_count, 1)]) : (
null
)
source_image_id = var.database.os.type == "custom" ? local.hdb_os.source_image_id : null
virtual_machine_scale_set_id = length(var.scale_set_id) > 0 ? var.scale_set_id : null
admin_username = var.sid_username
admin_password = local.enable_auth_key ? null : var.sid_password
disable_password_authentication = !local.enable_auth_password
tags = merge(var.tags, local.tags)
zone = local.use_avset ? null : try(local.zones[count.index % max(local.db_zone_count, 1)], null)
size = local.hdb_vm_sku
custom_data = var.deployment == "new" ? var.cloudinit_growpart_config : null
license_type = length(var.license_type) > 0 ? var.license_type : null
# ToDo Add back later
# patch_mode = var.infrastructure.patch_mode
//If more than one servers are deployed into a single zone put them in an availability set and not a zone
availability_set_id = local.use_avset && !local.enable_ultradisk ? (
local.availabilitysets_exist ? (
data.azurerm_availability_set.hdb[count.index % max(length(data.azurerm_availability_set.hdb), 1)].id) : (
azurerm_availability_set.hdb[count.index % max(length(azurerm_availability_set.hdb), 1)].id
)
) : null
network_interface_ids = local.enable_storage_subnet ? (
var.options.legacy_nic_order ? (
compact([
var.database_dual_nics ? azurerm_network_interface.nics_dbnodes_admin[count.index].id : null,
azurerm_network_interface.nics_dbnodes_db[count.index].id,
azurerm_network_interface.nics_dbnodes_storage[count.index].id
])
) : (
compact([
azurerm_network_interface.nics_dbnodes_db[count.index].id,
var.database_dual_nics ? azurerm_network_interface.nics_dbnodes_admin[count.index].id : null,
azurerm_network_interface.nics_dbnodes_storage[count.index].id
])
)
) : (
var.database_dual_nics ? (
var.options.legacy_nic_order ? (
[
azurerm_network_interface.nics_dbnodes_admin[count.index].id,
azurerm_network_interface.nics_dbnodes_db[count.index].id
]
) : (
[
azurerm_network_interface.nics_dbnodes_db[count.index].id,
azurerm_network_interface.nics_dbnodes_admin[count.index].id
]
)
) : (
[
azurerm_network_interface.nics_dbnodes_db[count.index].id
]
)
)
dynamic "admin_ssh_key" {
for_each = range(var.deployment == "new" ? 1 : (local.enable_auth_password ? 0 : 1))
content {
username = var.sid_username
public_key = var.sdu_public_key
}
}
dynamic "os_disk" {
iterator = disk
for_each = range(length(local.os_disk))
content {
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.osdisk,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
local.resource_suffixes.osdisk
)
caching = local.os_disk[0].caching
storage_account_type = local.os_disk[0].storage_account_type
disk_size_gb = local.os_disk[0].disk_size_gb
disk_encryption_set_id = try(var.options.disk_encryption_set_id, null)
}
}
dynamic "source_image_reference" {
for_each = range(var.database.os.type == "marketplace" || var.database.os.type == "marketplace_with_plan" ? 1 : 0)
content {
publisher = var.database.os.publisher
offer = var.database.os.offer
sku = var.database.os.sku
version = var.database.os.version
}
}
dynamic "plan" {
for_each = range(var.database.os.type == "marketplace_with_plan" ? 1 : 0)
content {
name = var.database.os.sku
publisher = var.database.os.publisher
product = var.database.os.offer
}
}
additional_capabilities {
ultra_ssd_enabled = local.enable_ultradisk
}
boot_diagnostics {
storage_account_uri = var.storage_bootdiag_endpoint
}
dynamic "identity" {
for_each = range((var.use_msi_for_clusters && var.database.high_availability) || length(var.database.user_assigned_identity_id) > 0 ? 1 : 0)
content {
type = var.use_msi_for_clusters && length(var.database.user_assigned_identity_id) > 0 ? "SystemAssigned, UserAssigned" : var.use_msi_for_clusters ? "SystemAssigned" : "UserAssigned"
identity_ids = length(var.database.user_assigned_identity_id) > 0 ? [var.database.user_assigned_identity_id] : null
}
}
lifecycle {
ignore_changes = [
source_image_id
]
}
}
resource "azurerm_role_assignment" "role_assignment_msi" {
provider = azurerm.main
count = (
var.use_msi_for_clusters &&
length(var.fencing_role_name) > 0 &&
var.database.high_availability
) ? (
var.database_server_count
) : (
0
)
scope = azurerm_linux_virtual_machine.vm_dbnode[count.index].id
role_definition_name = var.fencing_role_name
principal_id = azurerm_linux_virtual_machine.vm_dbnode[count.index].identity[0].principal_id
}
resource "azurerm_role_assignment" "role_assignment_msi_ha" {
provider = azurerm.main
count = (
var.use_msi_for_clusters &&
length(var.fencing_role_name) > 0 &&
var.database.high_availability
) ? (
var.database_server_count
) : (
0
)
scope = azurerm_linux_virtual_machine.vm_dbnode[count.index].id
role_definition_name = var.fencing_role_name
principal_id = azurerm_linux_virtual_machine.vm_dbnode[(count.index +1) % var.database_server_count].identity[0].principal_id
}
# Creates managed data disk
resource "azurerm_managed_disk" "data_disk" {
provider = azurerm.main
count = local.enable_deployment ? length(local.data_disk_list) : 0
name = format("%s%s%s%s%s",
var.naming.resource_prefixes.disk,
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[local.data_disk_list[count.index].vm_index],
local.data_disk_list[count.index].suffix
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
create_option = "Empty"
storage_account_type = local.data_disk_list[count.index].storage_account_type
disk_size_gb = local.data_disk_list[count.index].disk_size_gb
disk_iops_read_write = contains(["UltraSSD_LRS", "PremiumV2_LRS"], local.data_disk_list[count.index].storage_account_type) ? (
local.data_disk_list[count.index].disk_iops_read_write) : (
null
)
disk_mbps_read_write = contains(["UltraSSD_LRS", "PremiumV2_LRS"], local.data_disk_list[count.index].storage_account_type) ? (
local.data_disk_list[count.index].disk_mbps_read_write) : (
null
)
disk_encryption_set_id = try(var.options.disk_encryption_set_id, null)
zone = !local.use_avset ? (
azurerm_linux_virtual_machine.vm_dbnode[local.data_disk_list[count.index].vm_index].zone) : (
null
)
tags = var.tags
lifecycle {
ignore_changes = [
create_option,
hyper_v_generation,
source_resource_id
]
}
}
# Manages attaching a Disk to a Virtual Machine
resource "azurerm_virtual_machine_data_disk_attachment" "vm_dbnode_data_disk" {
provider = azurerm.main
count = local.enable_deployment ? length(local.data_disk_list) : 0
managed_disk_id = azurerm_managed_disk.data_disk[count.index].id
virtual_machine_id = azurerm_linux_virtual_machine.vm_dbnode[local.data_disk_list[count.index].vm_index].id
caching = local.data_disk_list[count.index].caching
write_accelerator_enabled = local.data_disk_list[count.index].write_accelerator_enabled
lun = local.data_disk_list[count.index].lun
}
# VM Extension
resource "azurerm_virtual_machine_extension" "hdb_linux_extension" {
provider = azurerm.main
count = local.enable_deployment && var.database.deploy_v1_monitoring_extension ? var.database_server_count : 0
name = "MonitorX64Linux"
virtual_machine_id = azurerm_linux_virtual_machine.vm_dbnode[count.index].id
publisher = "Microsoft.AzureCAT.AzureEnhancedMonitoring"
type = "MonitorX64Linux"
type_handler_version = "1.0"
settings = jsonencode(
{
"system": "SAP",
}
)
tags = var.tags
}
#########################################################################################
# #
# Azure Shared Disk for SBD #
# #
#######################################+#################################################
resource "azurerm_managed_disk" "cluster" {
provider = azurerm.main
count = (
local.enable_deployment &&
var.database.high_availability &&
(
upper(var.database.os.os_type) == "WINDOWS" ||
(
upper(var.database.os.os_type) == "LINUX" &&
upper(var.database.database_cluster_type) == "ASD"
)
)
) ? 1 : 0
name = format("%s%s%s%s",
var.naming.resource_prefixes.database_cluster_disk,
local.prefix,
var.naming.separator,
var.naming.resource_suffixes.database_cluster_disk
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
create_option = "Empty"
storage_account_type = var.database.database_cluster_disk_type
disk_size_gb = var.database.database_cluster_disk_size
disk_encryption_set_id = try(var.options.disk_encryption_set_id, null)
max_shares = var.database_server_count
tags = var.tags
zone = var.database.database_cluster_disk_type == "Premium_LRS" && !local.use_avset ? (
azurerm_linux_virtual_machine.vm_dbnode[local.data_disk_list[count.index].vm_index].zone) : (
null
)
lifecycle {
ignore_changes = [
create_option,
hyper_v_generation,
source_resource_id,
tags
]
}
}
resource "azurerm_virtual_machine_data_disk_attachment" "cluster" {
provider = azurerm.main
count = (
local.enable_deployment &&
var.database.high_availability &&
(
upper(var.database.os.os_type) == "WINDOWS" ||
(
upper(var.database.os.os_type) == "LINUX" &&
upper(var.database.database_cluster_type) == "ASD"
)
)
) ? var.database_server_count : 0
managed_disk_id = azurerm_managed_disk.cluster[0].id
virtual_machine_id = (upper(var.database.os.os_type) == "LINUX" # If Linux
) ? (
azurerm_linux_virtual_machine.vm_dbnode[count.index].id
) : (
(upper(var.database.os.os_type) == "WINDOWS" # If Windows
) ? (
null
) : (
null # If Other
)
)
caching = "None"
lun = var.database.database_cluster_disk_lun
}
#########################################################################################
# #
# Azure Data Disk for Kdump #
# #
#######################################+#################################################
resource "azurerm_managed_disk" "kdump" {
provider = azurerm.main
count = (
local.enable_deployment &&
var.database.high_availability &&
(
upper(var.database.os.os_type) == "LINUX" &&
( var.database.fence_kdump_disk_size > 0 )
)
) ? var.database_server_count : 0
name = format("%s%s%s%s%s",
try( var.naming.resource_prefixes.fence_kdump_disk, ""),
local.prefix,
var.naming.separator,
var.naming.virtualmachine_names.HANA_VMNAME[count.index],
try( var.naming.resource_suffixes.fence_kdump_disk, "fence_kdump_disk" )
)
location = var.resource_group[0].location
resource_group_name = var.resource_group[0].name
create_option = "Empty"
storage_account_type = "Premium_LRS"
disk_size_gb = try(var.database.fence_kdump_disk_size,128)
disk_encryption_set_id = try(var.options.disk_encryption_set_id, null)
tags = var.tags
zone = local.zonal_deployment && !local.use_avset ? (
azurerm_linux_virtual_machine.vm_dbnode[count.index].zone) : (
null
)
lifecycle {
ignore_changes = [
create_option,
hyper_v_generation,
source_resource_id,
tags
]
}
}
resource "azurerm_virtual_machine_data_disk_attachment" "kdump" {
provider = azurerm.main
count = (
local.enable_deployment &&
var.database.high_availability &&
(
upper(var.database.os.os_type) == "LINUX" &&
( var.database.fence_kdump_disk_size > 0 )
)
) ? var.database_server_count : 0
managed_disk_id = azurerm_managed_disk.kdump[count.index].id
virtual_machine_id = (upper(var.database.os.os_type) == "LINUX" # If Linux
) ? (
azurerm_linux_virtual_machine.vm_dbnode[count.index].id
) : null
caching = "None"
lun = var.database.fence_kdump_lun_number
}
resource "azurerm_virtual_machine_extension" "monitoring_extension_db_lnx" {
provider = azurerm.main
count = local.deploy_monitoring_extension ? (
var.database_server_count) : (
0 )
virtual_machine_id = azurerm_linux_virtual_machine.vm_dbnode[count.index].id
name = "Microsoft.Azure.Monitor.AzureMonitorLinuxAgent"
publisher = "Microsoft.Azure.Monitor"
type = "AzureMonitorLinuxAgent"
type_handler_version = "1.0"
auto_upgrade_minor_version = true
}
resource "azurerm_virtual_machine_extension" "monitoring_defender_db_lnx" {
provider = azurerm.main
count = var.infrastructure.deploy_defender_extension ? (
var.database_server_count) : (
0
)
virtual_machine_id = azurerm_linux_virtual_machine.vm_dbnode[count.index].id
name = "Microsoft.Azure.Security.Monitoring.AzureSecurityLinuxAgent"
publisher = "Microsoft.Azure.Security.Monitoring"
type = "AzureSecurityLinuxAgent"
type_handler_version = "2.0"
auto_upgrade_minor_version = true
settings = jsonencode(
{
"enableGenevaUpload" = true,
"enableAutoConfig" = true,
"reportSuccessOnUnsupportedDistro" = true,
}
)
}