variables.tf

// region terraform-google-modules/kubernetes-engine

variable "project_id" {
  type        = string
  description = "The project ID to host the cluster in (required)"
}

variable "cluster_name" {
  type        = string
  description = "The name of the cluster (required)"
}

variable "description" {
  type        = string
  description = "The description of the cluster"
  default     = ""
}

variable "regional" {
  type        = bool
  description = "Whether is a regional cluster (zonal cluster if set false. WARNING: changing this after cluster creation is destructive!)"
  default     = true
}

variable "region" {
  type        = string
  description = "The region to host the cluster in (optional if zonal cluster / required if regional)"
  default     = null
}

variable "zones" {
  type        = list(string)
  description = "The zones to host the cluster in (optional if regional cluster / required if zonal)"
  default     = []
}

variable "network" {
  type        = string
  description = "The VPC network to host the cluster in (required)"
}

variable "network_project_id" {
  type        = string
  description = "The project ID of the shared VPC's host (for shared vpc support)"
  default     = ""
}

variable "subnetwork" {
  type        = string
  description = "The subnetwork to host the cluster in (required)"
}

variable "kubernetes_version" {
  type        = string
  description = "The Kubernetes version of the masters. If set to 'latest' it will pull latest available version in the selected region"
  default     = "latest"
}

variable "master_authorized_networks" {
  type        = list(object({ cidr_block = string, display_name = string }))
  description = "List of master authorized networks. If none are provided, disallow external access (except the cluster node IPs, which GKE automatically whitelists)"
  default     = []
}

variable "horizontal_pod_autoscaling" {
  type        = bool
  description = "Enable horizontal pod autoscaling addon"
  default     = true
}

variable "http_load_balancing" {
  type        = bool
  description = "Enable httpload balancer addon"
  default     = true
}

variable "network_policy" {
  type        = bool
  description = "Enable network policy addon"
  default     = true
}

variable "network_policy_provider" {
  type        = string
  description = "The network policy provider"
  default     = "CALICO"
}

variable "maintenance_start_time" {
  type        = string
  description = "Time window specified for daily or recurring maintenance operations in RFC3339 format"
  default     = "05:00"
}

variable "ip_range_pods" {
  type        = string
  description = "The _name_ of the secondary subnet ip range to use for pods"
}

variable "ip_range_services" {
  type        = string
  description = "The _name_ of the secondary subnet range to use for services"
}

variable "initial_node_count" {
  type        = number
  description = "The number of nodes to create in this cluster's default node pool"
  default     = 0
}

variable "remove_default_node_pool" {
  type        = bool
  description = "Remove default node pool while setting up the cluster"
  default     = true
}

variable "disable_legacy_metadata_endpoints" {
  type        = bool
  description = "Disable the /0.1/ and /v1beta1/ metadata server endpoints on the node. Changing this value will cause all node pools to be recreated"
  default     = true
}

variable "resource_usage_export_dataset_id" {
  type        = string
  description = "The ID of a BigQuery Dataset for using BigQuery as the destination of resource usage export"
  default     = ""
}

variable "enable_network_egress_export" {
  type        = bool
  description = "Whether to enable network egress metering for this cluster. If enabled, a daemonset will be created in the cluster to meter network egress traffic"
  default     = false
}

variable "enable_resource_consumption_export" {
  type        = bool
  description = "Whether to enable resource consumption metering on this cluster. When enabled, a table will be created in the resource export BigQuery dataset to store resource consumption data. The resulting table can be joined with the resource usage table or with BigQuery billing export"
  default     = true
}

variable "stub_domains" {
  type        = map(list(string))
  description = "Map of stub domains and their resolvers to forward DNS queries for a certain domain to an external DNS server"
  default     = {}
}

variable "upstream_nameservers" {
  type        = list(string)
  description = "If specified, the values replace the nameservers taken by default from the node’s /etc/resolv.conf"
  default     = []
}

variable "non_masquerade_cidrs" {
  type        = list(string)
  description = "List of strings in CIDR notation that specify the IP address ranges that do not use IP masquerading"
  default     = ["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16"]
}

variable "ip_masq_resync_interval" {
  type        = string
  description = "The interval at which the agent attempts to sync its ConfigMap file from the disk"
  default     = "60s"
}

variable "ip_masq_link_local" {
  type        = bool
  description = "Whether to masquerade traffic to the link-local prefix (169.254.0.0/16)"
  default     = false
}

variable "configure_ip_masq" {
  description = "Enables the installation of ip masquerading, which is usually no longer required when using aliasied IP addresses. IP masquerading uses a kubectl call, so when you have a private cluster, you will need access to the API server"
  default     = false
}

variable "logging_service" {
  type        = string
  description = "The logging service that the cluster should write logs to. Available options include logging.googleapis.com, logging.googleapis.com/kubernetes (beta), and none"
  default     = "logging.googleapis.com/kubernetes"
}

variable "monitoring_service" {
  type        = string
  description = "The monitoring service that the cluster should write metrics to. Automatically send metrics from pods in the cluster to the Google Cloud Monitoring API. VM metrics will be collected by Google Compute Engine regardless of this setting Available options include monitoring.googleapis.com, monitoring.googleapis.com/kubernetes (beta) and none"
  default     = "monitoring.googleapis.com/kubernetes"
}

variable "create_service_account" {
  type        = bool
  description = "Defines if service account specified to run nodes should be created"
  default     = true
}

variable "grant_registry_access" {
  type        = bool
  description = "Grants created cluster-specific service account storage.objectViewer role"
  default     = false
}

variable "registry_project_ids" {
  type        = list(string)
  description = "Projects holding Google Container Registries. If empty, we use the cluster project. If a service account is created and the `grant_registry_access` variable is set to `true`, the `storage.objectViewer` role is assigned on these projects"
  default     = []
}

variable "service_account" {
  type        = string
  description = "The service account to run nodes as if not overridden in `node_pools`. The create_service_account variable default value (true) will cause a cluster-specific service account to be created"
  default     = ""
}

variable "basic_auth_username" {
  type        = string
  description = "The username to be used with Basic Authentication. An empty value will disable Basic Authentication, which is the recommended configuration"
  default     = ""
}

variable "basic_auth_password" {
  type        = string
  description = "The password to be used with Basic Authentication"
  default     = ""
}

variable "issue_client_certificate" {
  type        = bool
  description = "Issues a client certificate to authenticate to the cluster endpoint. To maximize the security of your cluster, leave this option disabled. Client certificates don't automatically rotate and aren't easily revocable. WARNING: changing this after cluster creation is destructive!"
  default     = false
}

variable "cluster_ipv4_cidr" {
  default     = null
  description = "The IP address range of the kubernetes pods in this cluster. Default is an automatically assigned CIDR"
}

variable "cluster_resource_labels" {
  type        = map(string)
  description = "The GCE resource labels (a map of key/value pairs) to be applied to the cluster"
  default     = {}
}

variable "skip_provisioners" {
  type        = bool
  description = "Flag to skip all local-exec provisioners. It breaks `stub_domains` and `upstream_nameservers` variables functionality"
  default     = false
}

variable "default_max_pods_per_node" {
  description = "The maximum number of pods to schedule per node"
  default     = 110
}

variable "node_metadata" {
  description = "Specifies how node metadata is exposed to the workload running on the node"
  default     = "GKE_METADATA_SERVER"
  type        = string
}

variable "database_encryption" {
  description = "Application-layer Secrets Encryption settings. The object format is {state = string, key_name = string}. Valid values of state are: \"ENCRYPTED\"; \"DECRYPTED\". key_name is the name of a CloudKMS key"
  type        = list(object({ state = string, key_name = string }))

  default = [{
    state    = "DECRYPTED"
    key_name = ""
  }]
}

variable "identity_namespace" {
  description = "Workload Identity namespace. (Default value of `enabled` automatically sets project based namespace `[project_id].svc.id.goog`)"
  type        = string
  default     = "enabled"
}

variable "release_channel" {
  type        = string
  description = "The release channel of this cluster. Accepted values are `UNSPECIFIED`, `RAPID`, `REGULAR` and `STABLE`. Defaults to `UNSPECIFIED`"
  default     = null
}

variable "enable_binary_authorization" {
  description = "Enable BinAuthZ Admission controller"
  default     = false
}

variable "add_cluster_firewall_rules" {
  type        = bool
  description = "Create additional firewall rules"
  default     = false
}

variable "firewall_priority" {
  type        = number
  description = "Priority rule for firewall rules"
  default     = 1000
}

variable "firewall_inbound_ports" {
  type        = list(string)
  description = "List of TCP ports for admission/webhook controllers"
  default     = ["8443", "9443", "15017"]
}

variable "gcloud_upgrade" {
  type        = bool
  description = "Whether to upgrade gcloud at runtime"
  default     = false
}

variable "node_pools" {
  type        = list(map(string))
  description = "List of maps containing node pools"

  default = [
    {
      name        = "default-node-pool"
      node_count  = 0
      autoscaling = false
    },
  ]
}

variable "node_pools_labels" {
  type        = map(map(string))
  description = "Map of maps containing node labels by node-pool name"

  # Default is being set in variables_defaults.tf
  default = {
    all               = {}
    default-node-pool = {}
  }
}

variable "node_pools_metadata" {
  type        = map(map(string))
  description = "Map of maps containing node metadata by node-pool name"

  # Default is being set in variables_defaults.tf
  default = {
    all               = {}
    default-node-pool = {}
  }
}

variable "node_pools_taints" {
  type        = map(list(object({ key = string, value = string, effect = string })))
  description = "Map of lists containing node taints by node-pool name"

  # Default is being set in variables_defaults.tf
  default = {
    all               = []
    default-node-pool = []
  }
}

variable "node_pools_tags" {
  type        = map(list(string))
  description = "Map of lists containing node network tags by node-pool name"

  # Default is being set in variables_defaults.tf
  default = {
    all               = []
    default-node-pool = []
  }
}

variable "node_pools_oauth_scopes" {
  type        = map(list(string))
  description = "Map of lists containing node oauth scopes by node-pool name"

  # Default is being set in variables_defaults.tf
  default = {
    all               = []
    default-node-pool = []
  }
}

// endregion

// region spotinst/ocean-gke

variable "spotinst_token" {
  type        = string
  description = "Spot Personal Access token"
}

variable "spotinst_account" {
  type        = string
  description = "Spot account ID"
}

variable "min_size" {
  type        = number
  description = "The lower limit of worker nodes the Ocean cluster can scale down to"
  default     = null
}

variable "max_size" {
  type        = number
  description = "The upper limit of worker nodes the Ocean cluster can scale up to"
  default     = null
}

variable "desired_capacity" {
  type        = number
  description = "The number of worker nodes to launch and maintain in the Ocean cluster"
  default     = 1
}

variable "instance_types" {
  type        = list(string)
  description = "A list of instance types"
  default     = []
}

variable "create_ocean" {
  type        = bool
  description = "Controls whether Ocean should be created (it affects all Ocean resources)"
  default     = true
}

// endregion

// region spotinst/ocean-controller

variable "controller_image" {
  type        = string
  description = "Set the Docker image name for the Ocean Controller that should be deployed"
  default     = "gcr.io/spotinst-artifacts/kubernetes-cluster-controller"
}

variable "image_pull_policy" {
  type        = string
  description = "Image pull policy (one of: Always, Never, IfNotPresent)"
  default     = "Always"
}

// endregion