76 lines
2.6 KiB
HCL
76 lines
2.6 KiB
HCL
resource "hcloud_server" "first_control_plane" {
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name = "k3s-control-plane-0"
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image = data.hcloud_image.linux.name
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rescue = "linux64"
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server_type = var.control_plane_server_type
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location = var.location
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ssh_keys = [hcloud_ssh_key.default.id]
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firewall_ids = [hcloud_firewall.k3s.id]
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labels = {
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"provisioner" = "terraform",
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"engine" = "k3s"
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}
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provisioner "file" {
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content = templatefile("${path.module}/templates/master.tpl", {
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name = self.name
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ssh_public_key = local.ssh_public_key
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k3s_token = random_password.k3s_token.result
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master_ip = local.first_control_plane_network_ip
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})
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destination = "/tmp/config.yaml"
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connection {
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user = "root"
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private_key = file(var.private_key)
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host = self.ipv4_address
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}
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}
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# Install k3os
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provisioner "remote-exec" {
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inline = local.k3os_install_commands
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connection {
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user = "root"
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private_key = file(var.private_key)
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host = self.ipv4_address
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}
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}
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# Wait for k3os to be ready and fetch kubeconfig.yaml
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provisioner "local-exec" {
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command = <<-EOT
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sleep 60 && ping ${self.ipv4_address} | grep --line-buffered "bytes from" | head -1 && sleep 100 && scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i ${var.private_key} rancher@${self.ipv4_address}:/etc/rancher/k3s/k3s.yaml ${path.module}/kubeconfig.yaml
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sed -i -e 's/127.0.0.1/${self.ipv4_address}/g' ${path.module}/kubeconfig.yaml
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EOT
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}
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# Install Hetzner CCM and CSI
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provisioner "local-exec" {
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command = <<-EOT
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kubectl -n kube-system create secret generic hcloud --from-literal=token=${var.hcloud_token} --from-literal=network=${hcloud_network.k3s.name} --kubeconfig ${path.module}/kubeconfig.yaml
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kubectl apply -k ${dirname(local_file.hetzner_ccm_config.filename)} --kubeconfig ${path.module}/kubeconfig.yaml
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kubectl -n kube-system create secret generic hcloud-csi --from-literal=token=${var.hcloud_token} --kubeconfig ${path.module}/kubeconfig.yaml
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kubectl apply -k ${dirname(local_file.hetzner_csi_config.filename)} --kubeconfig ${path.module}/kubeconfig.yaml
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EOT
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}
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# Configure the Traefik ingress controller
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provisioner "local-exec" {
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command = "kubectl apply -f ${local_file.traefik_config.filename} --kubeconfig ${path.module}/kubeconfig.yaml"
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}
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network {
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network_id = hcloud_network.k3s.id
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ip = local.first_control_plane_network_ip
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}
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depends_on = [
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hcloud_network_subnet.k3s,
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hcloud_firewall.k3s
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]
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}
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