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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
113 lines
2.6 KiB
HCL
113 lines
2.6 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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variable "cluster_name" {
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type = string
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description = "Must be set to `cluster_name of cluster`"
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}
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# Google Cloud
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variable "region" {
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type = string
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description = "Must be set to `region` of cluster"
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}
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variable "network" {
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type = string
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description = "Must be set to `network_name` 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 worker compute instances the instance group should manage"
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default = 1
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}
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variable "machine_type" {
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type = string
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description = "Machine type for compute instances (e.g. gcloud compute machine-types list)"
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default = "n1-standard-1"
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}
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variable "os_image" {
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type = string
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description = "Flatcar Linux image for compute instanges (e.g. gcloud compute images list)"
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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 disk in GB"
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default = 40
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}
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variable "preemptible" {
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type = bool
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description = "If enabled, Compute Engine will terminate instances randomly within 24 hours"
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default = false
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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 "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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# unofficial, undocumented, unsupported, temporary
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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 "accelerator_type" {
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type = string
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default = ""
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description = "Google Compute Engine accelerator type (e.g. nvidia-tesla-k80, see gcloud compute accelerator-types list)"
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}
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variable "accelerator_count" {
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type = string
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default = "0"
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description = "Number of compute engine accelerators"
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}
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