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* Run at least two replicas of CoreDNS to better support rolling updates (previously, kube-dns had a pod nanny) * On multi-master clusters, set the CoreDNS replica count to match the number of masters (e.g. a 3-master cluster previously used replicas:1, now replicas:3) * Add AntiAffinity preferred rule to favor distributing CoreDNS pods across controller nodes nodes
15 lines
654 B
HCL
15 lines
654 B
HCL
# Self-hosted Kubernetes assets (kubeconfig, manifests)
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module "bootkube" {
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source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=f7c2f8d590dcca0cb9bd4de15d765cad29109455"
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cluster_name = "${var.cluster_name}"
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api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
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etcd_servers = "${digitalocean_record.etcds.*.fqdn}"
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asset_dir = "${var.asset_dir}"
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networking = "flannel"
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network_mtu = 1440
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pod_cidr = "${var.pod_cidr}"
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service_cidr = "${var.service_cidr}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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}
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