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local.tf
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local.tf
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locals {
asg_tags = ["${null_resource.tags_as_list_of_maps.*.triggers}"]
# Followed recommendation http://67bricks.com/blog/?p=85
# to workaround terraform not supporting short circut evaluation
cluster_security_group_id = "${coalesce(join("", aws_security_group.cluster.*.id), var.cluster_security_group_id)}"
worker_security_group_id = "${coalesce(join("", aws_security_group.workers.*.id), var.worker_security_group_id)}"
default_iam_role_id = "${element(concat(aws_iam_role.workers.*.id, list("")), 0)}"
kubeconfig_name = "${var.kubeconfig_name == "" ? "eks_${var.cluster_name}" : var.kubeconfig_name}"
workers_group_defaults_defaults = {
name = "count.index" # Name of the worker group. Literal count.index will never be used but if name is not set, the count.index interpolation will be used.
ami_id = "${data.aws_ami.eks_worker.id}" # AMI ID for the eks workers. If none is provided, Terraform will search for the latest version of their EKS optimized worker AMI.
asg_desired_capacity = "1" # Desired worker capacity in the autoscaling group.
asg_max_size = "3" # Maximum worker capacity in the autoscaling group.
asg_min_size = "1" # Minimum worker capacity in the autoscaling group.
instance_type = "m4.large" # Size of the workers instances.
spot_price = "" # Cost of spot instance.
placement_tenancy = "" # The tenancy of the instance. Valid values are "default" or "dedicated".
root_volume_size = "100" # root volume size of workers instances.
root_volume_type = "gp2" # root volume type of workers instances, can be 'standard', 'gp2', or 'io1'
root_iops = "0" # The amount of provisioned IOPS. This must be set with a volume_type of "io1".
key_name = "" # The key name that should be used for the instances in the autoscaling group
pre_userdata = "" # userdata to pre-append to the default userdata.
additional_userdata = "" # userdata to append to the default userdata.
ebs_optimized = true # sets whether to use ebs optimization on supported types.
enable_monitoring = true # Enables/disables detailed monitoring.
public_ip = false # Associate a public ip address with a worker
kubelet_extra_args = "" # This string is passed directly to kubelet if set. Useful for adding labels or taints.
subnets = "${join(",", var.subnets)}" # A comma delimited string of subnets to place the worker nodes in. i.e. subnet-123,subnet-456,subnet-789
autoscaling_enabled = false # Sets whether policy and matching tags will be added to allow autoscaling.
additional_security_group_ids = "" # A comma delimited list of additional security group ids to include in worker launch config
protect_from_scale_in = false # Prevent AWS from scaling in, so that cluster-autoscaler is solely responsible.
iam_role_id = "${local.default_iam_role_id}" # Use the specified IAM role if set.
suspended_processes = "" # A comma delimited string of processes to to suspend. i.e. AZRebalance,HealthCheck,ReplaceUnhealthy
target_group_arns = "" # A comma delimited list of ALB target group ARNs to be associated to the ASG
}
workers_group_defaults = "${merge(local.workers_group_defaults_defaults, var.workers_group_defaults)}"
ebs_optimized = {
"c1.medium" = false
"c1.xlarge" = true
"c3.large" = false
"c3.xlarge" = true
"c3.2xlarge" = true
"c3.4xlarge" = true
"c3.8xlarge" = false
"c4.large" = true
"c4.xlarge" = true
"c4.2xlarge" = true
"c4.4xlarge" = true
"c4.8xlarge" = true
"c5.large" = true
"c5.xlarge" = true
"c5.2xlarge" = true
"c5.4xlarge" = true
"c5.9xlarge" = true
"c5.18xlarge" = true
"c5d.large" = true
"c5d.xlarge" = true
"c5d.2xlarge" = true
"c5d.4xlarge" = true
"c5d.9xlarge" = true
"c5d.18xlarge" = true
"cc2.8xlarge" = false
"cr1.8xlarge" = false
"d2.xlarge" = true
"d2.2xlarge" = true
"d2.4xlarge" = true
"d2.8xlarge" = true
"f1.2xlarge" = true
"f1.4xlarge" = true
"f1.16xlarge" = true
"g2.2xlarge" = true
"g2.8xlarge" = false
"g3.4xlarge" = true
"g3.8xlarge" = true
"g3.16xlarge" = true
"h1.2xlarge" = true
"h1.4xlarge" = true
"h1.8xlarge" = true
"h1.16xlarge" = true
"hs1.8xlarge" = false
"i2.xlarge" = true
"i2.2xlarge" = true
"i2.4xlarge" = true
"i2.8xlarge" = false
"i3.large" = true
"i3.xlarge" = true
"i3.2xlarge" = true
"i3.4xlarge" = true
"i3.8xlarge" = true
"i3.16xlarge" = true
"i3.metal" = true
"m1.small" = false
"m1.medium" = false
"m1.large" = true
"m1.xlarge" = true
"m2.xlarge" = false
"m2.2xlarge" = true
"m2.4xlarge" = true
"m3.medium" = false
"m3.large" = false
"m3.xlarge" = true
"m3.2xlarge" = true
"m4.large" = true
"m4.xlarge" = true
"m4.2xlarge" = true
"m4.4xlarge" = true
"m4.10xlarge" = true
"m4.16xlarge" = true
"m5.large" = true
"m5.xlarge" = true
"m5.2xlarge" = true
"m5.4xlarge" = true
"m5.9xlarge" = true
"m5.18xlarge" = true
"m5d.large" = true
"m5d.xlarge" = true
"m5d.2xlarge" = true
"m5d.4xlarge" = true
"m5d.12xlarge" = true
"m5d.24xlarge" = true
"p2.xlarge" = true
"p2.8xlarge" = true
"p2.16xlarge" = true
"p3.2xlarge" = true
"p3.8xlarge" = true
"p3.16xlarge" = true
"r3.large" = false
"r3.xlarge" = true
"r3.2xlarge" = true
"r3.4xlarge" = true
"r3.8xlarge" = false
"r4.large" = true
"r4.xlarge" = true
"r4.2xlarge" = true
"r4.4xlarge" = true
"r4.8xlarge" = true
"r4.16xlarge" = true
"t1.micro" = false
"t2.nano" = false
"t2.micro" = false
"t2.small" = false
"t2.medium" = false
"t2.large" = false
"t2.xlarge" = false
"t2.2xlarge" = false
"t3.nano" = true
"t3.micro" = true
"t3.small" = true
"t3.medium" = true
"t3.large" = true
"t3.xlarge" = true
"t3.2xlarge" = true
"x1.16xlarge" = true
"x1.32xlarge" = true
"x1e.xlarge" = true
"x1e.2xlarge" = true
"x1e.4xlarge" = true
"x1e.8xlarge" = true
"x1e.16xlarge" = true
"x1e.32xlarge" = true
}
}