typhoon/digital-ocean/container-linux/kubernetes/ssh.tf

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# Secure copy assets to controllers. Activates kubelet.service
resource "null_resource" "copy-controller-secrets" {
count = var.controller_count
depends_on = [
module.bootstrap,
digitalocean_firewall.rules
]
connection {
type = "ssh"
host = digitalocean_droplet.controllers.*.ipv4_address[count.index]
user = "core"
timeout = "15m"
}
provisioner "file" {
content = module.bootstrap.kubeconfig-kubelet
destination = "$HOME/kubeconfig"
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
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provisioner "file" {
source = var.asset_dir
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo chown -R etcd:etcd /etc/ssl/etcd",
"sudo chmod -R 500 /etc/ssl/etcd",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests",
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/",
]
}
}
# Secure copy kubeconfig to all workers. Activates kubelet.service.
resource "null_resource" "copy-worker-secrets" {
count = var.worker_count
connection {
type = "ssh"
host = digitalocean_droplet.workers.*.ipv4_address[count.index]
user = "core"
timeout = "15m"
}
provisioner "file" {
content = module.bootstrap.kubeconfig-kubelet
destination = "$HOME/kubeconfig"
}
provisioner "remote-exec" {
inline = [
"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
]
}
}
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# Connect to a controller to perform one-time cluster bootstrap.
resource "null_resource" "bootstrap" {
depends_on = [
null_resource.copy-controller-secrets,
null_resource.copy-worker-secrets,
]
connection {
type = "ssh"
host = digitalocean_droplet.controllers[0].ipv4_address
user = "core"
timeout = "15m"
}
provisioner "remote-exec" {
inline = [
"sudo systemctl start bootstrap",
]
}
}