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https://github.com/poseidon/typhoon
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084e8bea49
* Add `node_taints` variable to worker modules to set custom initial node taints on cloud platforms that support auto-scaling worker pools of heterogeneous nodes (i.e. AWS, Azure, GCP) * Worker pools could use custom `node_labels` to allowed workloads to select among differentiated nodes, while custom `node_taints` allows a worker pool's nodes to be tainted as special to prevent scheduling, except by workloads that explicitly tolerate the taint * Expose `daemonset_tolerations` in AWS, Azure, and GCP kubernetes cluster modules, to determine whether `kube-system` components should tolerate the custom taint (advanced use covered in docs) Rel: #550, #663 Closes #429
122 lines
2.8 KiB
HCL
122 lines
2.8 KiB
HCL
variable "name" {
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type = string
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description = "Unique name for the worker pool"
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}
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# AWS
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variable "vpc_id" {
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type = string
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description = "Must be set to `vpc_id` output by cluster"
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}
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variable "subnet_ids" {
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type = list(string)
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description = "Must be set to `subnet_ids` output by cluster"
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}
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variable "security_groups" {
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type = list(string)
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description = "Must be set to `worker_security_groups` output by cluster"
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}
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# instances
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variable "worker_count" {
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type = number
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description = "Number of instances"
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default = 1
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}
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variable "instance_type" {
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type = string
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description = "EC2 instance type"
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default = "t3.small"
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}
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variable "os_image" {
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type = string
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description = "AMI channel for a Container Linux derivative (flatcar-stable, flatcar-beta, flatcar-alpha)"
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default = "flatcar-stable"
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validation {
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condition = contains(["flatcar-stable", "flatcar-beta", "flatcar-alpha"], var.os_image)
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error_message = "The os_image must be flatcar-stable, flatcar-beta, or flatcar-alpha."
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}
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}
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variable "disk_size" {
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type = number
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description = "Size of the EBS volume in GB"
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default = 40
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}
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variable "disk_type" {
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type = string
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description = "Type of the EBS volume (e.g. standard, gp2, io1)"
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default = "gp2"
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}
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variable "disk_iops" {
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type = number
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description = "IOPS of the EBS volume (required for io1)"
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default = 0
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}
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variable "spot_price" {
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type = number
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description = "Spot price in USD for worker instances or 0 to use on-demand instances"
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default = 0
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}
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variable "target_groups" {
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type = list(string)
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description = "Additional target group ARNs to which instances should be added"
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default = []
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}
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variable "snippets" {
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type = list(string)
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description = "Container Linux Config snippets"
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default = []
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}
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# configuration
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variable "kubeconfig" {
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type = string
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description = "Must be set to `kubeconfig` output by cluster"
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}
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variable "ssh_authorized_key" {
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type = string
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description = "SSH public key for user 'core'"
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}
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variable "service_cidr" {
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type = string
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description = <<EOD
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CIDR IPv4 range to assign Kubernetes services.
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The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
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EOD
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default = "10.3.0.0/16"
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}
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variable "cluster_domain_suffix" {
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type = string
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description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
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default = "cluster.local"
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}
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variable "node_labels" {
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type = list(string)
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description = "List of initial node labels"
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default = []
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}
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variable "node_taints" {
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type = list(string)
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description = "List of initial node taints"
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default = []
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}
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