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vpc.tf
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###################################################
# Copyright (C) IBM Corp. 2023 All Rights Reserved.
# Licensed under the Apache License v2.0
###################################################
# IBM Cloud Provider
# Docs are available here, https://cloud.ibm.com/docs/terraform?topic=terraform-tf-provider#store_credentials
# Download IBM Cloud Provider binary from release page. https://github.com/IBM-Cloud/terraform-provider-ibm/releases
# And copy it to $HOME/.terraform.d/plugins/terraform-provider-ibm_v1.2.4
# if dedicated_host_enabled == true, determine the profile name of dedicated hosts and the number of them from worker_node_min_count and worker profile class
locals {
region_name = join("-", slice(split("-", var.zone), 0, 2))
# 1. calculate required amount of compute resources using the same instance size as dynamic workers
cpu_per_node = var.worker_node_type == "vsi" || var.windows_worker_node ? tonumber(data.ibm_is_instance_profile.worker[0].vcpu_count[0].value) : null
mem_per_node = var.worker_node_type == "vsi" || var.windows_worker_node ? tonumber(data.ibm_is_instance_profile.worker[0].memory[0].value) : null
required_cpu = var.worker_node_type == "vsi" || var.windows_worker_node ? var.worker_node_min_count * local.cpu_per_node : null
required_mem = var.worker_node_type == "vsi" || var.windows_worker_node ? var.worker_node_min_count * local.mem_per_node : null
# 2. get profiles with a class name passed as a variable (NOTE: assuming VPC Gen2 provides a single profile per class)
dh_profiles = var.dedicated_host_enabled ? [
for p in data.ibm_is_dedicated_host_profiles.worker[0].profiles : p if p.class == local.profile_str[0]
] : []
dh_profile_index = (var.worker_node_type == "vsi" || var.windows_worker_node) && (local.dh_profiles) == 0 ? "Profile class ${local.profile_str[0]} for dedicated hosts does not exist in ${local.region_name}. Check available class with `ibmcloud target -r ${local.region_name}; ibmcloud is dedicated-host-profiles` and retry other worker_node_instance_type wtih the available class." : 0
dh_profile = var.dedicated_host_enabled ? local.dh_profiles[local.dh_profile_index] : null
dh_cpu = var.dedicated_host_enabled ? tonumber(local.dh_profile.vcpu_count[0].value) : 0
dh_mem = var.dedicated_host_enabled ? tonumber(local.dh_profile.memory[0].value) : 0
# 3. calculate the number of dedicated hosts
dh_count = var.dedicated_host_enabled && (var.worker_node_type == "vsi" || var.windows_worker_node) ? ceil(max(local.required_cpu / local.dh_cpu, local.required_mem / local.dh_mem)) : 0
# 4. calculate the possible number of workers, which is used by the pack placement
dh_worker_count = var.dedicated_host_enabled ? floor(min(local.dh_cpu / local.cpu_per_node, local.dh_mem / local.mem_per_node)) : 0
remove_sg_rule_script_path = "${path.module}/resources/common/remove_security_rule.py"
// Stock image is used for the creation of login and nfs_storage node.
stock_image_name = "ibm-redhat-8-10-minimal-amd64-2"
}
locals {
script_map = {
"primary" = file("${path.module}/scripts/user_data_input_primary.tpl")
"management_node" = file("${path.module}/scripts/user_data_input_management_node.tpl")
"worker" = file("${path.module}/scripts/user_data_input_worker.tpl")
"spectrum_storage" = file("${path.module}/scripts/user_data_spectrum_storage.tpl")
"windows" = file("${path.module}/scripts/windows_worker_user_data.ps1")
}
primary_template_file = lookup(local.script_map, "primary")
management_node_template_file = lookup(local.script_map, "management_node")
worker_template_file = lookup(local.script_map, "worker")
spectrum_storage_template_file = lookup(local.script_map, "spectrum_storage")
tags = ["hpcc", var.cluster_prefix]
profile_str = var.worker_node_type == "vsi" || var.windows_worker_node ? split("-", data.ibm_is_instance_profile.worker[0].name) : split("-", data.ibm_is_bare_metal_server_profile.worker_bare_metal_server_profile[0].name)
profile_list = var.worker_node_type == "vsi" || var.windows_worker_node ? split("x", local.profile_str[1]) : split("x", local.profile_str[2])
hf_ncores = var.worker_node_type == "vsi" || var.windows_worker_node ? tonumber(local.profile_list[0]) / 2 : tonumber(local.profile_list[0]) / 2
mem_in_mb = var.worker_node_type == "vsi" || var.windows_worker_node ? tonumber(local.profile_list[1]) * 1024 : tonumber(local.profile_list[1]) * 1024
hf_max_num = var.worker_node_max_count > var.worker_node_min_count ? var.worker_node_max_count - var.worker_node_min_count : 0
cluster_name = var.cluster_id
ssh_key_list = split(",", var.ssh_key_name)
ssh_key_id_list = [
for name in local.ssh_key_list :
data.ibm_is_ssh_key.ssh_key[name].id
]
// Check whether an entry is found in the mapping file for the given symphony compute node image
image_mapping_entry_found = contains(keys(local.image_region_map), var.image_name)
new_image_id = local.image_mapping_entry_found ? lookup(lookup(local.image_region_map, var.image_name), local.region_name) : "Image not found with the given name"
// Use existing VPC if var.vpc_name is not empty
vpc_name = var.vpc_name == "" ? module.vpc.*.name[0] : data.ibm_is_vpc.existing_vpc.*.name[0]
cluster_file_share_size = 10
cluster_file_share_iops = 1000
cluster_file_mount_path = "/mnt/symphony"
}
data "template_file" "primary_user_data" {
template = local.primary_template_file
vars = {
vpc_apikey_value = var.api_key
image_id = local.image_mapping_entry_found ? local.new_image_id : data.ibm_is_image.image[0].id
subnet_id = module.subnet.subnet_id
security_group_id = module.sg.sg_id
resource_group_id = data.ibm_resource_group.rg.id
sshkey_id = data.ibm_is_ssh_key.ssh_key[local.ssh_key_list[0]].id
region_name = data.ibm_is_region.region.name
zone_name = data.ibm_is_zone.zone.name
dns_domain_name = var.vpc_worker_dns_domain
vpc_id = data.ibm_is_vpc.vpc.id
hf_cidr_block = module.subnet.ipv4_cidr_block
hf_profile = var.worker_node_type == "vsi" || var.windows_worker_node ? data.ibm_is_instance_profile.worker[0].name : data.ibm_is_bare_metal_server_profile.worker_bare_metal_server_profile[0].name
hf_ncores = local.hf_ncores
hf_mem_in_mb = local.mem_in_mb
hf_max_num = local.hf_max_num
client_mount_path = module.cluster_file_share.mount_path
custom_storage_ips = join(" ", [for file_share in module.custom_file_share[*].mount_path : file_share])
custom_mount_paths = join(" ", [for mount_path in var.custom_file_shares[*]["mount_path"] : mount_path])
cluster_id = local.cluster_name
host_prefix = var.cluster_prefix
mgmt_count = var.management_node_count
ego_host_role = "primary"
hyperthreading = var.hyperthreading_enabled
cluster_cidr = module.subnet.ipv4_cidr_block
spectrum_scale = var.spectrum_scale_enabled
temp_public_key = local.vsi_login_temp_public_key
windows_worker_node = var.windows_worker_node
EgoUserName = local.EgoUserName
EgoPassword = local.EgoPassword
worker_node_type = var.worker_node_type
storage_type = var.storage_type
windows_fs_bucket = "${var.cluster_prefix}-win-fileshare"
mount_path = local.cluster_file_mount_path
}
}
data "template_file" "secondary_user_data" {
template = local.management_node_template_file
vars = {
vpc_apikey_value = var.api_key
hf_cidr_block = module.subnet.ipv4_cidr_block
client_mount_path = module.cluster_file_share.mount_path
custom_storage_ips = join(" ", [for file_share in module.custom_file_share[*].mount_path : file_share])
custom_mount_paths = join(" ", [for mount_path in var.custom_file_shares[*]["mount_path"] : mount_path])
cluster_id = local.cluster_name
host_prefix = var.cluster_prefix
mgmt_count = var.management_node_count
dns_domain_name = var.vpc_worker_dns_domain
ego_host_role = "secondary"
cluster_cidr = module.subnet.ipv4_cidr_block
spectrum_scale = var.spectrum_scale_enabled
temp_public_key = var.spectrum_scale_enabled ? local.vsi_login_temp_public_key : ""
windows_worker_node = var.windows_worker_node
EgoUserName = local.EgoUserName
EgoPassword = local.EgoPassword
worker_node_type = var.worker_node_type
storage_type = var.storage_type
windows_fs_bucket = local.windows_fs_bucket
mount_path = local.cluster_file_mount_path
}
}
data "template_file" "management_node_user_data" {
template = local.management_node_template_file
vars = {
vpc_apikey_value = var.api_key
hf_cidr_block = module.subnet.ipv4_cidr_block
client_mount_path = module.cluster_file_share.mount_path
custom_storage_ips = join(" ", [for file_share in module.custom_file_share[*].mount_path : file_share])
custom_mount_paths = join(" ", [for mount_path in var.custom_file_shares[*]["mount_path"] : mount_path])
cluster_id = local.cluster_name
host_prefix = var.cluster_prefix
mgmt_count = var.management_node_count
dns_domain_name = var.vpc_worker_dns_domain
ego_host_role = "management_node"
cluster_cidr = module.subnet.ipv4_cidr_block
spectrum_scale = var.spectrum_scale_enabled
temp_public_key = var.spectrum_scale_enabled ? local.vsi_login_temp_public_key : ""
windows_worker_node = var.windows_worker_node
EgoUserName = local.EgoUserName
EgoPassword = local.EgoPassword
worker_node_type = var.worker_node_type
storage_type = var.storage_type
windows_fs_bucket = local.windows_fs_bucket
mount_path = local.cluster_file_mount_path
}
}
data "template_file" "worker_user_data" {
template = local.worker_template_file
vars = {
client_mount_path = module.cluster_file_share.mount_path
custom_storage_ips = join(" ", [for file_share in module.custom_file_share[*].mount_path : file_share])
custom_mount_paths = join(" ", [for mount_path in var.custom_file_shares[*]["mount_path"] : mount_path])
cluster_id = local.cluster_name
mgmt_count = var.management_node_count
dns_domain_name = var.vpc_worker_dns_domain
hyperthreading = var.hyperthreading_enabled
cluster_cidr = module.subnet.ipv4_cidr_block
spectrum_scale = var.spectrum_scale_enabled
temp_public_key = var.spectrum_scale_enabled ? local.vsi_login_temp_public_key : ""
windows_worker_node = var.windows_worker_node
EgoUserName = local.EgoUserName
EgoPassword = local.EgoPassword
worker_node_type = var.worker_node_type
storage_type = var.storage_type
windows_fs_bucket = local.windows_fs_bucket
mount_path = local.cluster_file_mount_path
}
}
// template file for scale storage nodes
data "template_file" "scale_storage_user_data" {
template = local.spectrum_storage_template_file
vars = {
ego_host_role = "scale_storage"
client_mount_path = module.cluster_file_share.mount_path
custom_storage_ips = join(" ", [for file_share in module.custom_file_share[*].mount_path : file_share])
custom_mount_paths = join(" ", [for mount_path in var.custom_file_shares[*]["mount_path"] : mount_path])
cluster_id = local.cluster_name
dns_domain_name = var.vpc_scale_storage_dns_domain
mgmt_count = var.management_node_count
hyperthreading = var.hyperthreading_enabled
cluster_cidr = module.subnet.ipv4_cidr_block
spectrum_scale = var.spectrum_scale_enabled
temp_public_key = local.vsi_login_temp_public_key
worker_node_type = var.worker_node_type
storage_type = var.storage_type
mount_path = local.cluster_file_mount_path
}
}
data "template_file" "login_user_data" {
template = <<EOF
#!/usr/bin/env bash
echo "${local.vsi_login_temp_public_key}" >> ~/.ssh/authorized_keys
EOF
}
/*
Infrastructure creation related steps
*/
// This module creates a new VPC resource only if var.vpc_name is empty i.e( If any VPC name is provided, that vpc will be considered for all resource creation)
module "vpc" {
source = "./resources/ibmcloud/network/vpc"
count = var.vpc_name == "" ? 1 : 0
name = "${var.cluster_prefix}-vpc"
resource_group = data.ibm_resource_group.rg.id
vpc_address_prefix_management = "manual"
tags = local.tags
}
// This module creates a vpc_address_prefix as we are now using custom CIDR range for VPC creation
module "vpc_address_prefix" {
count = var.vpc_name == "" ? 1 : 0
source = "./resources/ibmcloud/network/vpc_address_prefix"
vpc_id = data.ibm_is_vpc.vpc.id
address_name = format("%s-addr", var.cluster_prefix)
zones = var.zone
cidr_block = var.vpc_cidr_block
}
module "public_gw" {
source = "./resources/ibmcloud/network/public_gw"
count = local.existing_public_gateway_zone != "" ? 0 : 1
public_gw_name = "${var.cluster_prefix}-gateway"
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
}
# This module is used to create subnet, which is used to create both login node. The subnet CIDR range is passed manually based on the user input from variable file
module "login_subnet" {
source = "./resources/ibmcloud/network/login_subnet"
login_subnet_name = "${var.cluster_prefix}-login-subnet"
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
ipv4_cidr_block = var.vpc_cluster_login_private_subnets_cidr_blocks[0]
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
depends_on = [module.vpc_address_prefix]
}
# This module is used to create subnet, which is used to create both worker and storage node. The subnet CIDR range is passed manually based on the user input from variable file
module "subnet" {
source = "./resources/ibmcloud/network/subnet"
subnet_name = "${var.cluster_prefix}-subnet"
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
ipv4_cidr_block = var.vpc_cluster_private_subnets_cidr_blocks[0]
public_gateway = local.existing_public_gateway_zone != "" ? local.existing_public_gateway_zone : module.public_gw[0].public_gateway_id
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
depends_on = [module.vpc_address_prefix]
}
// The module is used to create a security group for only login nodes
module "login_sg" {
source = "./resources/ibmcloud/security/login_sg"
sec_group_name = "${var.cluster_prefix}-login-sg"
resource_group = data.ibm_resource_group.rg.id
vpc = data.ibm_is_vpc.vpc.id
tags = local.tags
}
module "login_inbound_security_rules" {
source = "./resources/ibmcloud/security/login_sg_inbound_rule"
remote_allowed_ips = var.remote_allowed_ips
group = module.login_sg.sec_group_id
depends_on = [module.login_sg]
}
module "login_outbound_security_rule" {
source = "./resources/ibmcloud/security/login_sg_outbound_rule"
group = module.login_sg.sec_group_id
remote = module.sg.sg_id
}
# Module open port 53 on outbound rule for login SG, for the resolution of rhel capsule server to get license when existing vpc has custom resolver associated.
module "login_outbound_dns_rule" {
count = local.dns_reserved_ip != "" ? 1 : 0
source = "./resources/ibmcloud/security/login_sg_outbound_dns_rule"
group = module.login_sg.sec_group_id
remote = data.ibm_dns_custom_resolvers.dns_custom_resolver[0].custom_resolvers[0].locations[0].dns_server_ip
}
// The module is used to create a security group for all the nodes (i.e.controller/controller-candidate/worker-vsi/worker-baremetal/storage).
module "sg" {
source = "./resources/ibmcloud/security/security_group"
sec_group_name = "${var.cluster_prefix}-sg"
vpc = data.ibm_is_vpc.vpc.id
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
}
module "inbound_sg_rule" {
source = "./resources/ibmcloud/security/security_group_inbound_rule"
group = module.sg.sg_id
remote = module.login_sg.sec_group_id
}
module "inbound_sg_ingress_all_local_rule" {
source = "./resources/ibmcloud/security/security_group_ingress_all_local"
group = module.sg.sg_id
remote = module.sg.sg_id
}
module "outbound_sg_rule" {
source = "./resources/ibmcloud/security/security_group_outbound_rule"
group = module.sg.sg_id
}
// The module is used to fetch the IP address of the schematics container and update the IP on security group rule
module "schematics_sg_tcp_rule" {
source = "./resources/ibmcloud/security/security_tcp_rule"
security_group_id = module.login_sg.sec_group_id
sg_direction = "inbound"
remote_ip_addr = tolist([chomp(data.http.fetch_myip.response_body)])
depends_on = [module.login_sg]
}
/*
* DNS Resolver
Created the DNS service and associates the DNS Zone and its respective permitted networks to the zone for communication
As Symphony supports scale, separate scale domain will be created only if the spectrum_scale_enables is set as true
Custom resolver is not enables with HA and only single subnet is associated and it can support only 1 VPC at maximum
*/
module "dns_service" {
source = "./resources/ibmcloud/network/dns_service"
count = local.dns_reserved_ip == "" ? 1 : 0
resource_group_id = data.ibm_resource_group.rg.id
resource_instance_name = var.cluster_prefix
tags = local.tags
}
module "worker_zone" {
source = "./resources/ibmcloud/network/dns_zone"
dns_domain = var.vpc_worker_dns_domain
dns_service_id = local.dns_instance_id
description = "Private DNS Zone for Symphony VPC DNS communication."
dns_label = var.cluster_prefix
depends_on = [module.dns_service]
}
module "worker_dns_permitted" {
source = "./resources/ibmcloud/network/dns_permitted_network"
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
vpc_crn = data.ibm_is_vpc.vpc.crn
depends_on = [module.vpc, module.worker_zone]
}
module "storage_zone" {
count = var.spectrum_scale_enabled ? 1 : 0
source = "./resources/ibmcloud/network/dns_zone"
dns_domain = var.vpc_scale_storage_dns_domain
dns_service_id = local.dns_instance_id
description = "Private DNS Zone for Spectrum Scale storage VPC DNS communication."
dns_label = var.cluster_prefix
depends_on = [module.dns_service]
}
module "storage_dns_permitted" {
count = var.spectrum_scale_enabled ? 1 : 0
source = "./resources/ibmcloud/network/dns_permitted_network"
instance_id = local.dns_instance_id
zone_id = module.storage_zone[0].dns_zone_id
vpc_crn = data.ibm_is_vpc.vpc.crn
depends_on = [module.vpc, module.storage_zone, module.worker_dns_permitted]
}
module "dns_resolver" {
count = local.dns_reserved_ip == "" ? 1 : 0
source = "./resources/ibmcloud/network/dns_resolver"
customer_resolver_name = var.cluster_prefix
instance_guid = local.dns_instance_id
description = "Private DNS custom resolver for VPC DNS communication."
subnet_crn = module.subnet.subnet_crn
}
// The module is used to create the login/bastion node to access all other nodes in the cluster
module "login_vsi" {
source = "./resources/ibmcloud/compute/login_vsi"
vsi_name = "${var.cluster_prefix}-login"
image = data.ibm_is_image.stock_image.id
profile = data.ibm_is_instance_profile.login.name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
user_data = data.template_file.login_user_data.rendered
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
subnet_id = module.login_subnet.login_subnet_id
security_group = [module.login_sg.sec_group_id]
depends_on = [module.login_ssh_key, module.login_inbound_security_rules, module.login_outbound_security_rule]
}
#####################################################################
# IP ADDRESS MAPPING
#####################################################################
# LSF assumes all the node IPs are known before their startup.
# This causes a cyclic dependency, e.g., management_nodes must know their IPs
# before starting themselves. We resolve this by explicitly
# assigining IP addresses calculated by cidrhost(cidr_block, index).
#
# Input variables:
# nrM == var.management_node_count
# nrMinW == var.worker_node_min_count
# nrMaxW == var.worker_node_max_count
#
# Address index range | Mapped nodes
# -------------------------------------------------------------------
# 0 - 3 | Reserved by IBM Cloud
# 4 - 4 | Storage node
# 5 - (5 + nrM - 1) | Management nodes
# (5 + nrM) - (5 + nrM + nrMinW - 1)| Static worker nodes
# (5 + nrM + nrMinW) - (5 + nrM + nrMaxW - 1)| Dynamic worker nodes
#
# Details of reserved IPs:
# https://cloud.ibm.com/docs/vpc?topic=vpc-about-networking-for-vpc
#
# We also reserve four IPs for VPN
# https://cloud.ibm.com/docs/vpc?topic=vpc-vpn-create-gateway
#####################################################################
locals {
totat_spectrum_storage_node_count = var.spectrum_scale_enabled ? var.scale_storage_node_count : 0
total_ipv4_address_count = pow(2, ceil(log(
local.totat_spectrum_storage_node_count +
var.worker_node_max_count +
var.management_node_count +
5 +
1 + /* ibm-broadcast-address */
4 + /* ibm-default-gateway, ibm-dns-address, ibm-network-address, ibm-reserved-address */
1, /* DNS Instance */
2))
)
first_ip_idx = 5
custom_ipv4_subnet_node_count = join(",", var.vpc_cluster_private_subnets_cidr_blocks) != "" ? parseint(regex("/(\\d+)$", join(",", var.vpc_cluster_private_subnets_cidr_blocks))[0], 10) : 0
total_custom_ipv4_node_count = pow(2, 32 - local.custom_ipv4_subnet_node_count)
client_mount_path = [
for idx in range(4) :
cidrhost(module.subnet.ipv4_cidr_block, idx + local.first_ip_idx)
]
spectrum_storage_node_count = var.spectrum_scale_enabled ? var.scale_storage_node_count : 0
spectrum_storage_ips = [
for idx in range(local.spectrum_storage_node_count) :
cidrhost(module.subnet.ipv4_cidr_block, idx + local.first_ip_idx + length(local.client_mount_path))
]
management_node_ips = [
for idx in range(var.management_node_count) :
cidrhost(module.subnet.ipv4_cidr_block, idx + local.first_ip_idx + length(local.client_mount_path) + length(local.spectrum_storage_ips))
]
worker_ips = [
for idx in range(var.worker_node_min_count) :
cidrhost(module.subnet.ipv4_cidr_block, idx + local.first_ip_idx + length(local.client_mount_path) + length(local.spectrum_storage_ips) + length(local.management_node_ips))
]
vsi_login_private_key = module.login_ssh_key.private_key
vsi_login_temp_public_key = module.login_ssh_key.public_key
peer_cidr_list = var.vpn_enabled ? split(",", var.vpn_peer_cidrs) : []
# Get the list of public gateways from the existing vpc on provided var.zone input parameter. If no public gateway is found and in that zone our solution creates a new public gateway.
existing_pgs = [for subnetsdetails in data.ibm_is_subnet.subnet_id : subnetsdetails.public_gateway if subnetsdetails.zone == var.zone && subnetsdetails.public_gateway != ""]
existing_public_gateway_zone = var.vpc_name == "" ? "" : (length(local.existing_pgs) == 0 ? "" : element(local.existing_pgs, 0))
// Fetch if there is already a DNS custom resolver is associated to the existing VPC feature, if there is no DNS custom resolver associated new DNS service and CR will be created through our solution.
dns_reserved_ip = join("", flatten(toset([for details in data.ibm_is_subnet_reserved_ips.dns_reserved_ips : flatten(details[*].reserved_ips[*].target_crn)])))
dns_service_id = local.dns_reserved_ip == "" ? "" : split(":", local.dns_reserved_ip)[7]
dns_instance_id = local.dns_reserved_ip == "" ? module.dns_service[0].resource_guid : local.dns_service_id
windows_fs_bucket = "${var.cluster_prefix}-win-fileshare"
}
module "primary_vsi" {
source = "./resources/ibmcloud/compute/primary_vsi"
count = 1
vsi_name = "${var.cluster_prefix}-primary-${count.index}"
image = local.image_mapping_entry_found ? local.new_image_id : data.ibm_is_image.image[0].id
profile = data.ibm_is_instance_profile.management_node.name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
user_data = "${data.template_file.primary_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.management_node_ips[count.index]
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [
module.login_ssh_key,
module.cluster_file_share,
module.inbound_sg_rule,
module.inbound_sg_ingress_all_local_rule,
module.outbound_sg_rule
]
}
locals {
products = var.spectrum_scale_enabled ? "symphony,scale" : "symphony"
}
resource "null_resource" "entitlement_check" {
count = local.image_mapping_entry_found ? 1 : 0
connection {
type = "ssh"
host = module.primary_vsi[0].primary_network_interface
user = "root"
private_key = module.login_ssh_key.private_key
bastion_host = module.login_fip.floating_ip_address
bastion_user = "root"
bastion_private_key = module.login_ssh_key.private_key
timeout = "15m"
}
provisioner "remote-exec" {
inline = [
"python3.9 /opt/IBM/cloud_entitlement/entitlement_check.py --products ${local.products} --icns ${var.ibm_customer_number}"
]
}
depends_on = [module.primary_vsi, module.login_fip, module.login_vsi]
}
module "secondary_vsi" {
source = "./resources/ibmcloud/compute/secondary_vsi"
count = var.management_node_count > 1 ? 1 : 0
vsi_name = "${var.cluster_prefix}-secondary-${count.index}"
image = local.image_mapping_entry_found ? local.new_image_id : data.ibm_is_image.image[0].id
profile = data.ibm_is_instance_profile.management_node.name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
user_data = "${data.template_file.secondary_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.management_node_ips[count.index + 1]
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [
module.cluster_file_share,
module.primary_vsi,
module.inbound_sg_ingress_all_local_rule,
module.inbound_sg_rule,
module.outbound_sg_rule,
null_resource.entitlement_check
]
}
module "management_node_vsi" {
source = "./resources/ibmcloud/compute/management_node_vsi"
count = var.management_node_count > 2 ? var.management_node_count - 2 : 0
vsi_name = "${var.cluster_prefix}-management-node-${count.index}"
image = local.image_mapping_entry_found ? local.new_image_id : data.ibm_is_image.image[0].id
profile = data.ibm_is_instance_profile.management_node.name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
user_data = "${data.template_file.management_node_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.management_node_ips[count.index + 2]
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [
module.cluster_file_share,
module.primary_vsi,
module.secondary_vsi,
module.inbound_sg_ingress_all_local_rule,
module.inbound_sg_rule,
module.outbound_sg_rule,
null_resource.entitlement_check
]
}
// The module is used to create the spectrum scale storage node only when spectrum scale is enabled
module "spectrum_scale_storage" {
source = "./resources/ibmcloud/compute/scale_storage_vsi"
count = var.spectrum_scale_enabled == true && var.storage_type != "persistent" ? var.scale_storage_node_count : 0
vsi_name = "${var.cluster_prefix}-scale-storage-${count.index}"
image = local.scale_image_mapping_entry_found ? local.scale_image_id : data.ibm_is_image.scale_image[0].id
profile = data.ibm_is_instance_profile.spectrum_scale_storage[0].name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
user_data = "${data.template_file.scale_storage_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
tags = local.tags
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.spectrum_storage_ips[count.index]
instance_id = local.dns_instance_id
zone_id = module.storage_zone[0].dns_zone_id
dns_domain = var.vpc_scale_storage_dns_domain
depends_on = [module.login_vsi, module.cluster_file_share, module.primary_vsi, module.management_node_vsi, module.inbound_sg_rule, module.inbound_sg_ingress_all_local_rule, module.outbound_sg_rule]
}
// The module is used to create the compute vsi instance based on the type of node_type required for deployment
module "worker_vsi" {
source = "./resources/ibmcloud/compute/worker_vsi"
count = (var.windows_worker_node ? 0 : (var.worker_node_type != "baremetal" ? var.worker_node_min_count : 0))
vsi_name = "${var.cluster_prefix}-worker-${count.index}"
image = local.image_mapping_entry_found ? local.new_image_id : data.ibm_is_image.image[0].id
profile = data.ibm_is_instance_profile.worker[0].name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
user_data = "${data.template_file.worker_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
dedicated_host = var.dedicated_host_enabled ? module.dedicated_host[var.dedicated_host_placement == "spread" ? count.index % local.dh_count : floor(count.index / local.dh_worker_count)].dedicated_host_id : null
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.worker_ips[count.index]
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [
module.cluster_file_share,
module.primary_vsi,
module.secondary_vsi,
module.management_node_vsi,
module.inbound_sg_ingress_all_local_rule,
module.inbound_sg_rule,
module.outbound_sg_rule,
null_resource.entitlement_check
]
}
// The module is used to create the compute baremetal server based on the type of node_type required for deployment
module "bare_metal_server" {
source = "./resources/ibmcloud/compute/bare_metal_server"
count = (var.windows_worker_node ? 0 : (var.worker_node_type != "vsi" ? var.worker_node_min_count : 0))
name = "${var.cluster_prefix}-bare-metal-server-${count.index}"
profile = data.ibm_is_bare_metal_server_profile.worker_bare_metal_server_profile[0].name
image = data.ibm_is_image.baremetal_image.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
vpc = data.ibm_is_vpc.vpc.id
resource_group = data.ibm_resource_group.rg.id
subnet = module.subnet.subnet_id
security_group = [module.sg.sg_id]
user_data = "${data.template_file.worker_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [module.primary_vsi, module.secondary_vsi, module.management_node_vsi, module.inbound_sg_ingress_all_local_rule, module.inbound_sg_rule, module.outbound_sg_rule, module.spectrum_scale_storage]
}
// The module is used to create the scale storage baremetal nodes based on storage_type is set as persistent
module "storage_bare_metal_server_cluster" {
source = "./resources/ibmcloud/compute/scale_storage_bare_metal_server"
count = var.spectrum_scale_enabled && var.storage_type == "persistent" ? 1 : 0
total_vsis = var.scale_storage_node_count
name = "${var.cluster_prefix}-storage-bare-metal-server"
profile = data.ibm_is_bare_metal_server_profile.storage_bare_metal_server_profile[0].name
image = data.ibm_is_image.baremetal_image.id
zone = [data.ibm_is_zone.zone.name]
keys = local.ssh_key_id_list
vpc = data.ibm_is_vpc.vpc.id
resource_group = data.ibm_resource_group.rg.id
subnet = [module.subnet.subnet_id]
security_group = [module.sg.sg_id]
user_data = "${data.template_file.scale_storage_user_data.rendered} ${file("${path.module}/scripts/user_data_symphony.sh")}"
tags = local.tags
instance_id = local.dns_instance_id
zone_id = module.storage_zone[0].dns_zone_id
dns_domain = var.vpc_scale_storage_dns_domain
depends_on = [module.primary_vsi, module.secondary_vsi, module.management_node_vsi, module.inbound_sg_ingress_all_local_rule, module.inbound_sg_rule, module.outbound_sg_rule, module.spectrum_scale_storage]
}
module "login_fip" {
source = "./resources/ibmcloud/network/floating_ip"
floating_ip_name = "${var.cluster_prefix}-login-fip"
target_network_id = module.login_vsi.primary_network_interface
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
}
module "vpn" {
source = "./resources/ibmcloud/network/vpn"
count = var.vpn_enabled ? 1 : 0
name = "${var.cluster_prefix}-vpn"
resource_group = data.ibm_resource_group.rg.id
subnet = module.login_subnet.login_subnet_id
mode = "policy"
tags = local.tags
}
module "vpn_connection" {
source = "./resources/ibmcloud/network/vpn_connection"
count = var.vpn_enabled ? 1 : 0
name = "${var.cluster_prefix}-vpn-conn"
vpn_gateway = module.vpn[count.index].vpn_gateway_id
vpn_peer_address = var.vpn_peer_address
vpn_preshared_key = var.vpn_preshared_key
admin_state_up = true
local_cidrs = [module.login_subnet.ipv4_cidr_block]
peer_cidrs = local.peer_cidr_list
}
module "ingress_vpn" {
source = "./resources/ibmcloud/security/vpn_ingress_sg_rule"
count = length(local.peer_cidr_list)
group = module.login_sg.sec_group_id
remote = local.peer_cidr_list[count.index]
}
module "dedicated_host_group" {
source = "./resources/ibmcloud/dedicated_host_group"
count = local.dh_count > 0 ? 1 : 0
name = "${var.cluster_prefix}-dh"
class = local.dh_profile.class
family = local.dh_profile.family
zone = data.ibm_is_zone.zone.name
resource_group = data.ibm_resource_group.rg.id
}
// // The module is used to create the dedicated host for all the worker nodes to join the host
module "dedicated_host" {
source = "./resources/ibmcloud/dedicated_host"
count = local.dh_count
name = "${var.cluster_prefix}-dh-${count.index}"
profile = local.dh_profile.name
host_group = module.dedicated_host_group[0].dedicate_host_group_id
resource_group = data.ibm_resource_group.rg.id
}
/*
Symphony Windows related steps
*/
locals {
EgoUserName = "egoadmin"
EgoPassword = "Symphony@123" // pragma: allowlist secret
windows_worker_node_prefix = "-w"
windows_template_file = lookup(local.script_map, "windows")
// Check whether an entry is found in the mapping file for the given symphony compute node image for windows
windows_image_mapping_entry_found = contains(keys(local.image_region_map), var.windows_image_name)
new_windows_image_id = local.windows_image_mapping_entry_found ? lookup(lookup(local.image_region_map, var.windows_image_name), local.region_name) : "Image not found with the given name"
}
data "template_file" "windows_worker_user_data" {
count = var.windows_worker_node ? var.worker_node_min_count : 0
template = local.windows_template_file
vars = {
storage_ip = module.cluster_file_share.mount_path
EgoUserName = local.EgoUserName
EgoPassword = local.EgoPassword
computer_name = "${var.cluster_prefix}${local.windows_worker_node_prefix}${count.index}"
cluster_id = local.cluster_name
mgmt_count = var.management_node_count
dns_domain_name = var.vpc_worker_dns_domain
bucket_name = local.windows_fs_bucket
access_key_id = module.windows_cos_fs[0].resourcekey.credentials["cos_hmac_keys.access_key_id"]
secret_access_key = module.windows_cos_fs[0].resourcekey.credentials["cos_hmac_keys.secret_access_key"]
endpoint = "s3.${local.region_name}.cloud-object-storage.appdomain.cloud"
location_constraint = "${local.region_name}-standard"
}
}
data "ibm_is_image" "windows_worker_image" {
name = var.windows_image_name
count = local.windows_image_mapping_entry_found ? 0 : 1
}
// This module is used to invoke compute playbook, to setup windows worker.
module "invoke_windows_security_group_rules" {
count = var.windows_worker_node ? 1 : 0
source = "./resources/windows/security_group_rules"
remote_allowed_ips = var.remote_allowed_ips
security_group = module.sg.sg_id
depends_on = [module.sg]
}
module "windows_worker" {
source = "./resources/ibmcloud/compute/windows_worker_vsi"
count = var.windows_worker_node ? var.worker_node_min_count : 0
vsi_name = "${var.cluster_prefix}${local.windows_worker_node_prefix}${count.index}"
image = local.windows_image_mapping_entry_found ? local.new_windows_image_id : data.ibm_is_image.windows_worker_image[0].id
profile = data.ibm_is_instance_profile.worker[0].name
vpc = data.ibm_is_vpc.vpc.id
zone = data.ibm_is_zone.zone.name
keys = local.ssh_key_id_list
resource_group = data.ibm_resource_group.rg.id
tags = local.tags
dedicated_host = var.dedicated_host_enabled ? module.dedicated_host[var.dedicated_host_placement == "spread" ? count.index % local.dh_count : floor(count.index / local.dh_worker_count)].dedicated_host_id : null
user_data = data.template_file.windows_worker_user_data[count.index].rendered
subnet_id = module.subnet.subnet_id
security_group = [module.sg.sg_id]
primary_ipv4_address = local.worker_ips[count.index]
instance_id = local.dns_instance_id
zone_id = module.worker_zone.dns_zone_id
dns_domain = var.vpc_worker_dns_domain
depends_on = [module.login_ssh_key, module.primary_vsi, module.secondary_vsi, module.management_node_vsi, module.invoke_windows_security_group_rules]
}
/*
Spectrum Scale Integration related steps
*/
// This null_resource is required to upgrade the jinja package version on schematics, since the ansible playbook that we run requires the latest version of jinja
resource "null_resource" "upgrade_jinja" {
count = var.spectrum_scale_enabled ? 1 : 0
provisioner "local-exec" {
interpreter = ["/bin/bash", "-c"]
command = "pip install jinja2 --upgrade"
}
depends_on = [null_resource.entitlement_check]
}
locals {
// Check whether an entry is found in the scale mapping file for the given scale storage node image
// scale image used for scale storage node.
scale_image_mapping_entry_found = contains(keys(local.scale_image_region_map), var.scale_storage_image_name)
scale_image_id = contains(keys(local.scale_image_region_map), var.scale_storage_image_name) ? lookup(lookup(local.scale_image_region_map, var.scale_storage_image_name), local.region_name) : "Image not found with the given name"
// path for ansible playbook data configurations
tf_data_path = "/tmp/.schematics/IBM/tf_data_path"
gpfs_rpm_path = "/opt/IBM/gpfs_cloud_rpms"
tf_input_json_root_path = null
tf_input_json_file_name = null
inventory_format = "ini"
create_scale_cluster = false
using_rest_api_remote_mount = true
bastion_instance_public_ip = null
bastion_ssh_private_key = null
// scale version installed on custom images.
scale_version = "5.2.1.1"
// cloud platform as IBMCloud, required for ansible playbook.
cloud_platform = "IBMCloud"
// path where ansible playbook will be cloned from github public repo.
scale_infra_repo_clone_path = "/tmp/.schematics/IBM/ibm-spectrumscale-cloud-deploy"
scale_infra_repo_inventory_path = "/tmp/.schematics/IBM/ibm-spectrumscale-cloud-deploy/ibm-spectrum-scale-install-infra/"
// collect ip of all scale storage nodes
storage_vsis_1A_by_ip = module.spectrum_scale_storage[*].primary_network_interface
// collect storage vsi's id for all scale storage nodes. Required for storage playbook.
strg_vsi_ids_0_disks = module.spectrum_scale_storage.*.spectrum_scale_storage_id
storage_vsi_ips_with_0_datadisks = local.storage_vsis_1A_by_ip
vsi_data_volumes_count = 0
// For NSD creation, create disk map of attached volumes on scale storage nodes.
strg_vsi_ips_0_disks_dev_map = {
for instance in local.storage_vsi_ips_with_0_datadisks :
instance => local.vsi_data_volumes_count == 0 ? data.ibm_is_instance_profile.spectrum_scale_storage[0].disks.0.quantity.0.value == 1 ? ["/dev/vdb"] : ["/dev/vdb", "/dev/vdc"] : null
}
total_compute_instances = var.management_node_count + var.worker_node_min_count
// list of all compute nodes id.
compute_vsi_ids_0_disks = concat(module.primary_vsi.*.primary_id, module.secondary_vsi.*.secondary_id, module.management_node_vsi.*.management_id, module.worker_vsi.*.worker_id, module.bare_metal_server.*.bare_metal_server_id)
// list of all compute vsi ips.
compute_vsi_by_ip = concat(module.primary_vsi[*].primary_network_interface, module.secondary_vsi[*].primary_network_interface, module.management_node_vsi[*].primary_network_interface, module.worker_vsi[*].primary_network_interface, module.bare_metal_server[*].primary_network_interface)
// RHEL OS version used for the creation of Baremetal servers i.e.(Worker_node_type="baremetal" and storage_type="persistent")
bare_metal_server_osimage_name = "ibm-redhat-8-10-minimal-amd64-2"
}
// generate new temporary ssh-key that will be used by ansible playbook to setup scale.
module "login_ssh_key" {
source = "./resources/scale_common/generate_keys"
invoke_count = var.spectrum_scale_enabled ? 1 : 0
tf_data_path = format("%s", local.tf_data_path)
}
// After completion of scale storage nodes, nodes need wait time to get in running state.
module "storage_nodes_wait" { ## Setting up the variable time as 180s for the entire set of storage nodes, this approach is used to overcome the issue of ssh and nodes unreachable
count = (var.spectrum_scale_enabled && var.scale_storage_node_count > 0) ? 1 : 0
source = "./resources/scale_common/wait"
wait_duration = var.TF_WAIT_DURATION
depends_on = [module.spectrum_scale_storage, module.storage_bare_metal_server_cluster]
}
// After completion of compute nodes, nodes need wait time to get in running state.
module "compute_nodes_wait" { # # Setting up the variable time as 180s for the entire set of storage nodes, this approach is used to overcome the issue of ssh and nodes unreachable
count = (var.spectrum_scale_enabled && var.scale_storage_node_count > 0) ? 1 : 0
source = "./resources/scale_common/wait"
wait_duration = var.TF_WAIT_DURATION
depends_on = [module.primary_vsi, module.secondary_vsi, module.management_node_vsi, module.worker_vsi, module.bare_metal_server]
}
// This module is used to clone ansible repo for scale.
module "prepare_spectrum_scale_ansible_repo" {
count = var.spectrum_scale_enabled ? 1 : 0
source = "./resources/scale_common/git_utils"
branch = "master"
tag = null
clone_path = local.scale_infra_repo_clone_path
}
/*
Spectrum Scale Deployment Process.
Firstly the inventory file for both Comput/storage would be created in json format
Using the inventory file created from the above, configuration file will be created for the further Ansible deployment
Once the configuration files are created, using the data Ansible playbook shall be invoked to run the rest Ansible playbook to set the scale cluster
*/
// This module creates the json file with the required configuration and will be used for the creation of inventory file for compute cluster
module "write_compute_cluster_inventory" {
count = var.spectrum_scale_enabled == true ? 1 : 0
source = "./resources/scale_common/write_inventory"
inventory_path = format("%s/compute_cluster_inventory.json", local.scale_infra_repo_clone_path)
cloud_platform = jsonencode("IBMCloud")
resource_prefix = jsonencode(format("%s.%s", var.cluster_prefix, var.vpc_worker_dns_domain))
vpc_region = jsonencode(local.region_name)
vpc_availability_zones = jsonencode([var.zone])
scale_version = jsonencode(local.scale_version)
filesystem_block_size = jsonencode("None")
compute_cluster_filesystem_mountpoint = jsonencode(var.scale_compute_cluster_filesystem_mountpoint)
bastion_instance_id = jsonencode(module.login_vsi.login_id)
bastion_instance_public_ip = jsonencode(module.login_fip.floating_ip_address)
bastion_user = jsonencode("root")
compute_cluster_instance_ids = jsonencode(local.compute_vsi_ids_0_disks)
compute_cluster_instance_private_ips = local.compute_vsi_by_ip == null ? jsonencode([]) : jsonencode(local.compute_vsi_by_ip)
compute_cluster_instance_private_dns_ip_map = jsonencode([])
storage_cluster_filesystem_mountpoint = jsonencode("None")
storage_cluster_instance_ids = jsonencode([])
storage_cluster_instance_private_ips = jsonencode([])
storage_cluster_with_data_volume_mapping = jsonencode({})
storage_cluster_instance_private_dns_ip_map = jsonencode({})
storage_cluster_desc_instance_ids = jsonencode([])
storage_cluster_desc_instance_private_ips = jsonencode([])
storage_cluster_desc_data_volume_mapping = jsonencode({})
storage_cluster_desc_instance_private_dns_ip_map = jsonencode({})
depends_on = [module.login_ssh_key, module.prepare_spectrum_scale_ansible_repo, module.compute_nodes_wait]
}
// This module creates the json file with the required configuration and will be used for the creation of inventory file for scale storage cluster
module "write_storage_cluster_inventory" {
count = var.spectrum_scale_enabled ? 1 : 0
source = "./resources/scale_common/write_inventory"
inventory_path = format("%s/storage_cluster_inventory.json", local.scale_infra_repo_clone_path)
cloud_platform = jsonencode("IBMCloud")
resource_prefix = jsonencode(format("%s.%s", var.cluster_prefix, var.vpc_scale_storage_dns_domain))
vpc_region = jsonencode(local.region_name)
vpc_availability_zones = jsonencode([var.zone])
scale_version = jsonencode(local.scale_version)
filesystem_block_size = jsonencode(var.scale_filesystem_block_size)
compute_cluster_filesystem_mountpoint = jsonencode("None")
bastion_instance_id = jsonencode(module.login_vsi.login_id)
bastion_instance_public_ip = jsonencode(module.login_fip.floating_ip_address)
bastion_user = jsonencode("root")
compute_cluster_instance_ids = jsonencode([])
compute_cluster_instance_private_ips = jsonencode([])
compute_cluster_instance_private_dns_ip_map = jsonencode({})
storage_cluster_filesystem_mountpoint = jsonencode(var.scale_storage_cluster_filesystem_mountpoint)
storage_cluster_instance_ids = var.storage_type == "persistent" ? jsonencode(one(module.storage_bare_metal_server_cluster[*].bare_metal_server_id)) : jsonencode(module.spectrum_scale_storage[*].spectrum_scale_storage_id)
storage_cluster_instance_private_ips = var.storage_type == "persistent" ? jsonencode(one(module.storage_bare_metal_server_cluster[*].primary_network_interface)) : jsonencode(module.spectrum_scale_storage[*].primary_network_interface)
storage_cluster_with_data_volume_mapping = var.storage_type == "persistent" ? jsonencode(one(module.storage_bare_metal_server_cluster[*].instance_ips_with_vol_mapping)) : jsonencode(local.strg_vsi_ips_0_disks_dev_map)
storage_cluster_instance_private_dns_ip_map = jsonencode([])
storage_cluster_desc_instance_ids = jsonencode([])
storage_cluster_desc_instance_private_ips = jsonencode([])
storage_cluster_desc_data_volume_mapping = jsonencode({})
storage_cluster_desc_instance_private_dns_ip_map = jsonencode({})
depends_on = [module.login_ssh_key, module.prepare_spectrum_scale_ansible_repo, module.storage_nodes_wait]
}
// This module creates the inventory file for the compute ansible playbook to be created
module "compute_cluster_configuration" {
count = var.spectrum_scale_enabled ? 1 : 0
source = "./resources/scale_common/compute_configuration"