variables.tf

# Copyright (c) 2017, 2023 Oracle Corporation and/or its affiliates.
# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl

# OCI Provider parameters
variable "api_fingerprint" {
  default     = ""
  description = "Fingerprint of the API private key to use with OCI API."
  type        = string
}

variable "api_private_key" {
  default     = ""
  description = "The contents of the private key file to use with OCI API, optionally base64-encoded. This takes precedence over private_key_path if both are specified in the provider."
  sensitive   = true
  type        = string
}

variable "api_private_key_password" {
  default     = ""
  description = "The corresponding private key password to use with the api private key if it is encrypted."
  sensitive   = true
  type        = string
}

variable "api_private_key_path" {
  default     = ""
  description = "The path to the OCI API private key."
  type        = string
}

variable "home_region" {
  # List of regions: https://docs.cloud.oracle.com/iaas/Content/General/Concepts/regions.htm#ServiceAvailabilityAcrossRegions
  description = "The tenancy's home region. Required to perform identity operations."
  type        = string
}

# Automatically populated by Resource Manager
variable "region" {
  # List of regions: https://docs.cloud.oracle.com/iaas/Content/General/Concepts/regions.htm#ServiceAvailabilityAcrossRegions
  description = "The OCI region where OKE resources will be created."
  type        = string
}

# Overrides Resource Manager
variable "tenancy_id" {
  description = "The tenancy id of the OCI Cloud Account in which to create the resources."
  type        = string
  default     = ""
}

variable "tenancy_ocid" {
  description = "A tenancy OCID automatically populated by Resource Manager."
  type        = string
  default     = ""
}

# Overrides Resource Manager
variable "user_id" {
  description = "The id of the user that terraform will use to create the resources."
  type        = string
  default     = ""
}

# Automatically populated by Resource Manager
variable "current_user_ocid" {
  description = "A user OCID automatically populated by Resource Manager."
  type        = string
  default     = ""
}

# General OCI parameters

# Overrides Resource Manager
variable "compartment_id" {
  description = "The compartment id where to create all resources."
  type        = string
  default     = ""
}

# Automatically populated by Resource Manager
variable "compartment_ocid" {
  description = "A compartment OCID automatically populated by Resource Manager."
  type        = string
  default     = ""
}

variable "label_prefix" {
  default     = "none"
  description = "A string that will be prepended to all resources."
  type        = string
}

# ssh keys
variable "ssh_private_key" {
  default     = ""
  description = "The contents of the private ssh key file, optionally base64-encoded."
  sensitive   = true
  type        = string
}

variable "ssh_private_key_path" {
  default     = "none"
  description = "The path to ssh private key."
  type        = string
}

variable "ssh_public_key" {
  default     = ""
  description = "The contents of the ssh public key."
  type        = string
}

variable "ssh_public_key_path" {
  default     = "none"
  description = "The path to ssh public key."
  type        = string
}

# vcn parameters

variable "create_vcn" {
  type        = bool
  description = "Whether to create a Virtual Cloud Network."
  default     = true
}

variable "vcn_display_name" {
  type        = string
  description = "Existing VCN name where the resources will be created"
  default     = ""
}

variable "vcn_id" {
  type        = string
  description = "Existing VCN id where the resources will be created"
  default     = ""

}

variable "ig_route_table_display_name" {
  type        = string
  description = "Existing Internet Gateway route table name"
  default     = ""
}

variable "ig_route_table_id" {
  type        = string
  description = "Existing Internet Gateway Route table id"
  default     = ""

}

variable "nat_route_table_display_name" {
  type        = string
  description = "Existing NAT Gateway route table name"
  default     = ""
}

variable "nat_route_table_id" {
  type        = string
  description = "Existing NAT Gateway Route table id"
  default     = ""
}

variable "create_drg" {
  description = "whether to create Dynamic Routing Gateway. If set to true, creates a Dynamic Routing Gateway and attach it to the VCN."
  type        = bool
  default     = false
}

variable "drg_display_name" {
  description = "(Updatable) Name of Dynamic Routing Gateway. Does not have to be unique."
  type        = string
  default     = "drg"
}

variable "drg_id" {
  description = "ID of an external created Dynamic Routing Gateway to be attached to the VCN"
  type        = string
  default     = null
}

variable "remote_peering_connections" {
  description = "Map of parameters to add and optionally to peer to remote peering connections. Key-only items represent local acceptors and no peering attempted; items containing key and values represent local requestor and must have the OCID and region of the remote acceptor to peer to"
  type        = map(any)
  default     = {}
}

variable "internet_gateway_route_rules" {
  description = "(Updatable) List of routing rules to add to Internet Gateway Route Table"
  type        = list(map(string))
  default     = null
}

variable "local_peering_gateways" {
  description = "Map of Local Peering Gateways to attach to the VCN."
  type        = map(any)
  default     = null
}

variable "lockdown_default_seclist" {
  description = "whether to remove all default security rules from the VCN Default Security List"
  default     = true
  type        = bool
}

variable "nat_gateway_route_rules" {
  description = "(Updatable) List of routing rules to add to NAT Gateway Route Table"
  type        = list(map(string))
  default     = null
}

variable "nat_gateway_public_ip_id" {
  description = "OCID of reserved IP address for NAT gateway. The reserved public IP address needs to be manually created."
  default     = "none"
  type        = string
}

variable "subnets" {
  description = "parameters to cidrsubnet function to calculate subnet masks within the VCN."
  default = {
    bastion  = { netnum = 0, newbits = 13 }
    operator = { netnum = 1, newbits = 13 }
    cp       = { netnum = 2, newbits = 13 }
    int_lb   = { netnum = 16, newbits = 11 }
    pub_lb   = { netnum = 17, newbits = 11 }
    workers  = { netnum = 1, newbits = 2 }
    pods     = { netnum = 2, newbits = 2 }
    fss      = { netnum = 18, newbits = 11 }
  }
  type = map(any)
}

variable "vcn_cidrs" {
  default     = ["10.0.0.0/16"]
  description = "The list of IPv4 CIDR blocks the VCN will use."
  type        = list(string)
}

variable "vcn_dns_label" {
  default     = "oke"
  description = "A DNS label for the VCN, used in conjunction with the VNIC's hostname and subnet's DNS label to form a fully qualified domain name (FQDN) for each VNIC within this subnet. DNS resolution of hostnames in the VCN is disabled when null."
  type        = string
}

variable "assign_dns" {
  default     = true
  description = "Whether to assign DNS records to created instances"
  type        = bool
}

variable "vcn_name" {
  default     = "oke-vcn"
  description = "name of vcn"
  type        = string
}

# bastion host parameters
variable "create_bastion_host" {
  default     = true
  description = "Whether to create a bastion host."
  type        = bool
}

variable "bastion_public_ip" {
  default     = ""
  description = "The IP address of an existing bastion host, if create_bastion_host: false."
  type        = string
}

variable "bastion_access" {
  default     = ["anywhere"]
  description = "A list of CIDR blocks to which ssh access to the bastion host must be restricted. *anywhere* is equivalent to 0.0.0.0/0 and allows ssh access from anywhere."
  type        = list(string)
}

variable "bastion_image_id" {
  default     = "Autonomous"
  description = "The image id to use for bastion."
  type        = string
}

variable "bastion_os_version" {
  description = "In case Autonomous Linux is used, allow specification of Autonomous version"
  default     = "8.7"
  type        = string
}

variable "bastion_user" {
  default     = "opc"
  description = "User for SSH access through bastion host."
  type        = string
}

variable "bastion_shape" {
  default = {
    shape            = "VM.Standard.E4.Flex",
    ocpus            = 1,
    memory           = 4,
    boot_volume_size = 50
  }
  description = "The shape of bastion instance."
  type        = map(any)
}

variable "bastion_state" {
  description = "The target state for the bastion instance. Could be set to RUNNING or STOPPED. (Updatable)"
  default     = "RUNNING"
  type        = string
  validation {
    condition     = contains(["RUNNING", "STOPPED"], var.bastion_state)
    error_message = "Accepted values are RUNNING or STOPPED."
  }
}

variable "bastion_timezone" {
  default     = "Etc/UTC"
  description = "The preferred timezone for the bastion host."
  type        = string
}

variable "bastion_type" {
  description = "Whether to make the bastion host public or private."
  default     = "public"
  type        = string

  validation {
    condition     = contains(["public", "private"], var.bastion_type)
    error_message = "Accepted values are public or private."
  }
}

variable "upgrade_bastion" {
  default     = true
  description = "Whether to upgrade the bastion host packages after provisioning. it’s useful to set this to false during development so the bastion is provisioned faster."
  type        = bool
}

## bastion notification parameters
variable "enable_bastion_notification" {
  default     = false
  description = "Whether to enable notification on the bastion host."
  type        = bool
}

variable "bastion_notification_endpoint" {
  default     = "none"
  description = "The subscription notification endpoint for the bastion. The email address to be notified."
  type        = string
}

variable "bastion_notification_protocol" {
  default     = "EMAIL"
  description = "The notification protocol used."
  type        = string
}

variable "bastion_notification_topic" {
  default     = "bastion"
  description = "The name of the notification topic."
  type        = string
}

# bastion service parameters
variable "create_bastion_service" {
  default     = false
  description = "Whether to create a bastion service that allows access to private hosts."
  type        = bool
}

variable "bastion_service_access" {
  default     = ["0.0.0.0/0"]
  description = "A list of CIDR blocks to which ssh access to the bastion service must be restricted. *anywhere* is equivalent to 0.0.0.0/0 and allows ssh access from anywhere."
  type        = list(string)
}

variable "bastion_service_name" {
  default     = ""
  description = "The name of the bastion service."
  type        = string
}

variable "bastion_service_target_subnet" {
  default     = "operator"
  description = "The name of the subnet that the bastion service can connect to."
  type        = string
}

# operator host parameters

variable "create_operator" {
  default     = true
  description = "Whether to create an operator server in a private subnet."
  type        = bool
}

variable "operator_image_id" {
  default     = "Oracle"
  description = "The image id to use for operator server. Set either an image id or to Oracle. If value is set to Oracle, the default Oracle Linux platform image will be used."
  type        = string
}

variable "operator_volume_kms_id" {
  default     = ""
  description = "The OCID of the OCI KMS key to assign as the master encryption key for the boot volume."
  type        = string
}

variable "enable_operator_pv_encryption_in_transit" {
  default     = false
  description = "Whether to enable in-transit encryption for the data volume's paravirtualized attachment."
  type        = bool
}

variable "enable_operator_instance_principal" {
  default     = true
  description = "Whether to enable the operator to call OCI API services without requiring api key."
  type        = bool
}

variable "operator_nsg_ids" {
  description = "An optional and updatable list of network security groups that the operator will be part of."
  type        = list(string)
  default     = []
}

variable "operator_os_version" {
  default     = "8"
  description = "The Oracle Linux version to use for the operator host"
  type        = string
}

variable "operator_user" {
  default     = "opc"
  description = "User for SSH access to operator host."
  type        = string
}

variable "operator_shape" {
  default = {
    shape            = "VM.Standard.E4.Flex",
    ocpus            = 1,
    memory           = 4,
    boot_volume_size = 50
  }
  description = "The shape of operator instance."
  type        = map(any)
}

variable "operator_state" {
  description = "The target state for the operator instance. Could be set to RUNNING or STOPPED. (Updatable)"
  default     = "RUNNING"
  type        = string
  validation {
    condition     = contains(["RUNNING", "STOPPED"], var.operator_state)
    error_message = "Accepted values are RUNNING or STOPPED."
  }

}

variable "operator_timezone" {
  default     = "Etc/UTC"
  description = "The preferred timezone for the operator host."
  type        = string
}

variable "upgrade_operator" {
  default     = true
  description = "Whether to upgrade the operator packages after provisioning. It’s useful to set this to false during development so the operator is provisioned faster."
  type        = bool
}

variable "operator_private_ip" {
  default     = ""
  description = "The IP address of an existing operator host, if create_operator: false."
  type        = string
}

## operator notification parameters
variable "enable_operator_notification" {
  default     = false
  description = "Whether to enable notification on the operator host."
  type        = bool
}

variable "operator_notification_endpoint" {
  default     = "none"
  description = "The subscription notification endpoint for the operator. Email address to be notified."
  type        = string
}

variable "operator_notification_protocol" {
  default     = "EMAIL"
  description = "The notification protocol used."
  type        = string
}

variable "operator_notification_topic" {
  description = "The name of the notification topic."
  default     = "operator"
  type        = string
}

# availability domains
variable "availability_domains" {
  description = "Availability Domains where to provision non-OKE resources"
  default = {
    bastion  = 1
    operator = 1
    fss      = 1
  }
  type = map(any)
}

# oke cluster options
variable "admission_controller_options" {
  default = {
    PodSecurityPolicy = false
  }
  description = "various Admission Controller options"
  type        = map(bool)
}

variable "allow_node_port_access" {
  default     = false
  description = "Whether to allow access to NodePorts when worker nodes are deployed in public mode."
  type        = bool
}

variable "allow_worker_internet_access" {
  default     = true
  description = "Allow worker nodes to egress to internet. Required if container images are in a registry other than OCIR."
  type        = bool
}

variable "allow_pod_internet_access" {
  default     = true
  description = "Allow pods to egress to internet. Required if the pods are invoking Internet services."
  type        = bool
}

variable "allow_worker_ssh_access" {
  default     = false
  description = "Whether to allow ssh access to worker nodes."
  type        = bool
}

variable "cluster_name" {
  default     = "oke"
  description = "The name of oke cluster."
  type        = string
}

variable "cluster_type" {
  default     = "basic"
  description = "The cluster type. See <a href=https://docs.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengworkingwithenhancedclusters.htm>Working with Enhanced Clusters and Basic Clusters</a> for more information."
  type        = string
  validation {
    condition     = contains(["basic", "enhanced"], lower(var.cluster_type))
    error_message = "Accepted values are 'basic' or 'enhanced'."
  }
}

variable "cni_type" {
  # Keep flannel as default so users can upgrade without impact. Give a grace period for users to plan and change
  default     = "flannel"
  description = "The CNI for the cluster. Choose between flannel or npn."
  type        = string
  validation {
    condition     = contains(["flannel", "npn"], var.cni_type)
    error_message = "Accepted values are flannel or npn."
  }
}

variable "control_plane_type" {
  default     = "public"
  description = "Whether to allow public or private access to the control plane endpoint"
  type        = string

  validation {
    condition     = contains(["public", "private"], var.control_plane_type)
    error_message = "Accepted values are public, or private."
  }
}

variable "control_plane_allowed_cidrs" {
  default     = []
  description = "The list of CIDR blocks from which the control plane can be accessed."
  type        = list(string)
}

variable "control_plane_nsgs" {
  default     = []
  description = "An additional list of network security groups (NSG) ids for the cluster endpoint that can be created subsequently."
  type        = list(string)
}

variable "dashboard_enabled" {
  default     = false
  description = "Whether to enable kubernetes dashboard."
  type        = bool
}

variable "kubernetes_version" {
  default     = "v1.24.1"
  description = "The version of kubernetes to use when provisioning OKE or to upgrade an existing OKE cluster to."
  type        = string
}

variable "max_pods_per_node" {
  default     = 31
  description = "The maximum number of pods to deploy per node. Absolute maximum is 110. Applies only when CNI type is npn."
  type        = number
}

variable "pods_cidr" {
  default     = "10.244.0.0/16"
  description = "The CIDR range used for IP addresses by the pods. A /16 CIDR is generally sufficient. This CIDR should not overlap with any subnet range in the VCN (it can also be outside the VCN CIDR range)."
  type        = string
}

variable "services_cidr" {
  default     = "10.96.0.0/16"
  description = "The CIDR range used by exposed Kubernetes services (ClusterIPs). This CIDR should not overlap with the VCN CIDR range."
  type        = string
}

## oke cluster kms integration
variable "create_policies" {
  description = "Whether to create OCI IAM policies for KMS or dynamic groups."
  default     = true
  type        = bool
}

variable "use_cluster_encryption" {
  description = "Whether to use OCI KMS to encrypt Kubernetes secrets."
  default     = false
  type        = bool
}

variable "cluster_kms_key_id" {
  default     = ""
  description = "The id of the OCI KMS key to be used as the master encryption key for Kubernetes secrets encryption."
  type        = string
}

variable "use_node_pool_volume_encryption" {
  description = "Whether to use OCI KMS to encrypt Kubernetes Nodepool's boot/block volume."
  type        = bool
  default     = false
}

variable "node_pool_volume_kms_key_id" {
  default     = ""
  description = "The id of the OCI KMS key to be used as the master encryption key for Boot Volume and Block Volume encryption."
  type        = string
}

## oke cluster container image policy and keys
variable "use_signed_images" {
  description = "Whether to enforce the use of signed images. If set to true, at least 1 RSA key must be provided through image_signing_keys."
  default     = false
  type        = bool
}

variable "image_signing_keys" {
  description = "A list of KMS key ids used by the worker nodes to verify signed images. The keys must use RSA algorithm."
  type        = list(string)
  default     = []
}

# node pools
variable "check_node_active" {
  description = "check worker node is active"
  type        = string
  default     = "none"

  validation {
    condition     = contains(["none", "one", "all"], var.check_node_active)
    error_message = "Accepted values are none, one or all."
  }
}

variable "enable_pv_encryption_in_transit" {
  description = "Whether to enable in-transit encryption for the data volume's paravirtualized attachment. This field applies to both block volumes and boot volumes. The default value is false"
  type        = bool
  default     = false
}

variable "cloudinit_nodepool" {
  description = "Cloudinit script specific to nodepool"
  type        = map(any)
  default     = {}
}

variable "cloudinit_nodepool_common" {
  description = "Cloudinit script common to all nodepool when cloudinit_nodepool  is not provided"
  type        = string
  default     = ""
}

variable "kubeproxy_mode" {
  default     = "iptables"
  description = "The mode in which to run kube-proxy."
  type        = string

  validation {
    condition     = contains(["iptables", "ipvs"], var.kubeproxy_mode)
    error_message = "Accepted values are iptables or ipvs."
  }
}
variable "node_pools" {
  default     = {}
  description = "Tuple of node pools. Each key maps to a node pool. Each value is a tuple of shape (string),ocpus(number) , node_pool_size(number) and boot_volume_size(number)"
  type        = any
}

variable "node_pool_image_id" {
  default     = "none"
  description = "The ocid of a custom image to use for worker node."
  type        = string
}

variable "node_pool_image_type" {
  default     = "oke"
  description = "Whether to use a Platform, OKE or custom image. When custom is set, the node_pool_image_id must be specified."
  type        = string
  validation {
    condition     = contains(["custom", "oke", "platform"], var.node_pool_image_type)
    error_message = "Accepted values are custom, oke, platform."
  }
}

variable "node_pool_name_prefix" {
  default     = "np"
  description = "The prefix of the node pool name."
  type        = string
}

variable "node_pool_os" {
  default     = "Oracle Linux"
  description = "The name of image to use."
  type        = string
}

variable "node_pool_os_version" {
  default     = "7.9"
  description = "The version of operating system to use for the worker nodes."
  type        = string
}

variable "node_pool_timezone" {
  default     = "Etc/UTC"
  description = "The preferred timezone for the worker nodes."
  type        = string
}

variable "ignore_label_prefix_in_node_pool_names" {
  default     = false
  description = "While using label_prefix to add a prefix to many OCI resource names, do not use the label_prefix when naming each node pool. This frees up more characters for the nodepool name. Current limit to node pool name is 32 characters."
  type        = bool
}

variable "worker_nsgs" {
  default     = []
  description = "An additional list of network security groups (NSG) ids for the worker nodes that can be created subsequently."
  type        = list(any)
}

variable "worker_type" {
  default     = "private"
  description = "Whether to provision public or private workers."
  type        = string
  validation {
    condition     = contains(["public", "private"], var.worker_type)
    error_message = "Accepted values are public or private."
  }
}

# upgrade of existing node pools
variable "upgrade_nodepool" {
  default     = false
  description = "Whether to upgrade the Kubernetes version of the node pools."
  type        = bool
}

variable "node_pools_to_drain" {
  default     = ["none"]
  description = "List of node pool names to drain during an upgrade. This list is used to determine the worker nodes to drain."
  type        = list(string)
}

variable "nodepool_upgrade_method" {
  default     = "out_of_place"
  description = "The upgrade method to use when upgrading to a new version. Only out-of-place supported at the moment."
  type        = string
}

# oke load balancers

## waf
variable "enable_waf" {
  description = "Whether to enable WAF monitoring of load balancers"
  type        = bool
  default     = false
}

variable "load_balancers" {
  # values: both, internal, public
  default     = "public"
  description = "The type of subnets to create for load balancers."
  type        = string
  validation {
    condition     = contains(["public", "internal", "both"], var.load_balancers)
    error_message = "Accepted values are public, internal or both."
  }
}

variable "preferred_load_balancer" {
  # values: public, internal.
  # When creating an internal load balancer, the internal annotation must still be specified regardless
  default     = "public"
  description = "The preferred load balancer subnets that OKE will automatically choose when creating a load balancer. valid values are public or internal. if 'public' is chosen, the value for load_balancers must be either 'public' or 'both'. If 'private' is chosen, the value for load_balancers must be either 'internal' or 'both'."
  type        = string
  validation {
    condition     = contains(["public", "internal"], var.preferred_load_balancer)
    error_message = "Accepted values are public or internal."
  }
}

## Allowed cidrs and ports for load balancers
variable "internal_lb_allowed_cidrs" {
  default     = ["0.0.0.0/0"]
  description = "The list of CIDR blocks from which the internal load balancer can be accessed."
  type        = list(string)

  validation {
    condition     = length(var.internal_lb_allowed_cidrs) > 0
    error_message = "At least 1 CIDR block is required."
  }
}

variable "internal_lb_allowed_ports" {
  default     = [80, 443]
  description = "List of allowed ports for internal load balancers."
  type        = list(any)

  validation {
    condition     = length(var.internal_lb_allowed_ports) > 0
    error_message = "At least 1 port is required."
  }
}

variable "public_lb_allowed_cidrs" {
  default     = ["0.0.0.0/0"]
  description = "The list of CIDR blocks from which the public load balancer can be accessed."
  type        = list(string)

  validation {
    condition     = length(var.public_lb_allowed_cidrs) > 0
    error_message = "At least 1 CIDR block is required."
  }
}

variable "public_lb_allowed_ports" {
  default     = [443]
  description = "List of allowed ports for public load balancers."
  type        = list(any)

  validation {
    condition     = length(var.public_lb_allowed_ports) > 0
    error_message = "At least 1 port is required."
  }
}

#fss
variable "create_fss" {
  description = "Whether to enable provisioning for FSS"
  default     = false
  type        = bool
}

# fss mount path
variable "fss_mount_path" {
  description = "FSS mount path to be associated"
  default     = "/oke_fss"
  type        = string
}

# Controls the maximum tbytes, fbytes, and abytes, values reported by NFS FSSTAT calls through any associated mount targets.
variable "max_fs_stat_bytes" {
  description = "Maximum tbytes, fbytes, and abytes, values reported by NFS FSSTAT calls through any associated mount targets"
  default     = 23843202333
  type        = number
}

# Controls the maximum tfiles, ffiles, and afiles values reported by NFS FSSTAT calls through any associated mount targets.
variable "max_fs_stat_files" {
  description = "Maximum tfiles, ffiles, and afiles values reported by NFS FSSTAT"
  default     = 223442
  type        = number
}

# ocir

variable "email_address" {
  default     = "none"
  description = "The email address used for OCIR."
  type        = string
}

variable "secret_id" {
  description = "The OCID of the Secret on OCI Vault which holds the authentication token."
  type        = string
  default     = "none"
}

variable "secret_name" {
  description = "The name of the Kubernetes secret that will hold the authentication token"
  type        = string
  default     = "ocirsecret"
}

variable "secret_namespace" {
  default     = "default"
  description = "The Kubernetes namespace for where the OCIR secret will be created."
  type        = string
}

variable "username" {
  default     = "none"
  description = "The username that can login to the selected tenancy. This is different from tenancy_id. *Required* if secret_id is set."
  type        = string
}

# calico
variable "enable_calico" {
  description = "Whether to install calico for network pod security policy"
  default     = false
  type        = bool
}

variable "calico_version" {
  description = "The version of Calico to install"
  default     = "3.24.1"
  type        = string
}

variable "calico_mode" {
  description = "The type of Calico manifest to install"
  default     = "policy-only"
  validation {
    condition     = contains(["policy-only", "canal", "vxlan", "ipip", "flannel-migration"], var.calico_mode)
    error_message = "Accepted values are policy-only, canal, vxlan, ipip, or flannel-migration."
  }
}

variable "calico_mtu" {
  description = "Interface MTU for Calico device(s) (0 = auto)"
  default     = 0
  type        = number
}

variable "calico_url" {
  description = "Optionally override the Calico manifest URL (empty string = auto)"
  default     = ""
  type        = string
}

variable "calico_apiserver_enabled" {
  description = "Whether to enable the Calico apiserver"
  default     = false
  type        = bool
}

variable "typha_enabled" {
  description = "Whether to enable Typha (automatically enabled for > 50 nodes)"
  default     = false
  type        = bool
}

variable "typha_replicas" {
  description = "The number of replicas for the Typha deployment (0 = auto)"
  default     = 0
  type        = number
}

variable "calico_staging_dir" {
  description = "Directory on the operator instance to stage Calico install files"
  default     = "/tmp/calico_install"
  type        = string
}

# horizontal and vertical pod autoscaling
variable "enable_metric_server" {
  description = "Whether to install metricserver for collecting metrics and for HPA"
  default     = false
  type        = bool
}

variable "enable_vpa" {
  description = "Whether to install vertical pod autoscaler"
  default     = false
  type        = bool
}

variable "vpa_version" {
  description = "The version of vertical pod autoscaler to install"
  default     = "0.8"
}

#Gatekeeper
variable "enable_gatekeeper" {
  type        = bool
  default     = false
  description = "Whether to install Gatekeeper"
}

variable "gatekeeper_version" {
  type        = string
  default     = "3.7"
  description = "The version of Gatekeeper to install"
}

# serviceaccount

variable "create_service_account" {
  description = "Whether to create a service account. A service account is required for CI/CD. see https://docs.cloud.oracle.com/iaas/Content/ContEng/Tasks/contengaddingserviceaccttoken.htm"
  default     = false
  type        = bool
}

variable "service_account_name" {
  description = "The name of service account to create"
  default     = "kubeconfigsa"
  type        = string
}

variable "service_account_namespace" {
  description = "The Kubernetes namespace where to create the service account"
  default     = "kube-system"
  type        = string
}

variable "service_account_cluster_role_binding" {
  description = "The cluster role binding name"
  default     = "cluster-admin"
  type        = string
}

# tagging
variable "freeform_tags" {
  default = {
    # vcn, bastion and operator tags are required
    # add more tags in each as desired
    vcn      = {}
    bastion  = {}
    operator = {}
    oke = {
      cluster           = {}
      persistent_volume = {}
      service_lb        = {}
      node_pool         = {}
      node              = {}
    }
  }
  description = "Tags to apply to different resources."
  type = object({
    vcn      = map(any),
    bastion  = map(any),
    operator = map(any),
    oke      = map(map(any))
  })
}

variable "defined_tags" {
  default = {
    # vcn, oke are required
    # add more tags in each as desired
    vcn = {}
    oke = {
      cluster           = {}
      persistent_volume = {}
      service_lb        = {}
      node_pool         = {}
      node              = {}
    }
  }
  description = "Tags to apply to different resources."
  type = object({
    vcn = map(any),
    oke = map(any)
  })
}

# Cluster autoscaler
variable "enable_cluster_autoscaler" {
  description = "Enable Kubernetes Cluster Autoscaler"
  type        = bool
  default     = false
}

variable "autoscaler_pools" {
  description = "Node pool for the Kubernetes Cluster Autoscaler"
  type        = any
  default = {
    # 1 autoscaler pool by Kubernetes version
    asp_v123 = {}
  }
}

# placeholder variable for debugging scripts. To be implemented in future
variable "debug_mode" {
  default     = false
  description = "Whether to turn on debug mode."
  type        = bool
}