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7acd4931f6
* AWS and Google Cloud make use of auto-scaling groups and managed instance groups, respectively. As such, the kubeconfig is already held in cloud user-data * Controller instances are provisioned with a kubeconfig from user-data. Its redundant to use a Terraform remote file copy step for the kubeconfig.
120 lines
3.2 KiB
HCL
120 lines
3.2 KiB
HCL
# Secure copy etcd TLS assets and kubeconfig to controllers. Activates kubelet.service
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resource "null_resource" "copy-controller-secrets" {
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count = "${var.controller_count}"
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connection {
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type = "ssh"
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host = "${element(concat(digitalocean_droplet.controllers.*.ipv4_address), count.index)}"
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user = "core"
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timeout = "15m"
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}
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provisioner "file" {
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content = "${module.bootkube.kubeconfig}"
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destination = "$HOME/kubeconfig"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_ca_cert}"
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destination = "$HOME/etcd-client-ca.crt"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_client_cert}"
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destination = "$HOME/etcd-client.crt"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_client_key}"
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destination = "$HOME/etcd-client.key"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_server_cert}"
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destination = "$HOME/etcd-server.crt"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_server_key}"
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destination = "$HOME/etcd-server.key"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_peer_cert}"
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destination = "$HOME/etcd-peer.crt"
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}
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provisioner "file" {
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content = "${module.bootkube.etcd_peer_key}"
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destination = "$HOME/etcd-peer.key"
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}
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provisioner "remote-exec" {
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inline = [
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"sudo mkdir -p /etc/ssl/etcd/etcd",
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"sudo mv etcd-client* /etc/ssl/etcd/",
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"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
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"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
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"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
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"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
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"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
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"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
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"sudo chown -R etcd:etcd /etc/ssl/etcd",
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"sudo chmod -R 500 /etc/ssl/etcd",
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"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
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]
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}
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}
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# Secure copy kubeconfig to all workers. Activates kubelet.service.
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resource "null_resource" "copy-worker-secrets" {
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count = "${var.worker_count}"
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connection {
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type = "ssh"
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host = "${element(concat(digitalocean_droplet.workers.*.ipv4_address), count.index)}"
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user = "core"
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timeout = "15m"
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}
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provisioner "file" {
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content = "${module.bootkube.kubeconfig}"
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destination = "$HOME/kubeconfig"
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}
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provisioner "remote-exec" {
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inline = [
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"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
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]
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}
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}
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# Secure copy bootkube assets to ONE controller and start bootkube to perform
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# one-time self-hosted cluster bootstrapping.
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resource "null_resource" "bootkube-start" {
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depends_on = [
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"module.bootkube",
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"null_resource.copy-controller-secrets",
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"null_resource.copy-worker-secrets",
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]
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connection {
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type = "ssh"
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host = "${digitalocean_droplet.controllers.0.ipv4_address}"
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user = "core"
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timeout = "15m"
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}
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provisioner "file" {
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source = "${var.asset_dir}"
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destination = "$HOME/assets"
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}
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provisioner "remote-exec" {
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inline = [
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"sudo mv $HOME/assets /opt/bootkube",
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"sudo systemctl start bootkube",
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]
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}
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}
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