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* CoreOS Container Linux was deprecated in v1.18.3 * Continue transitioning docs and modules from supporting both CoreOS and Flatcar "variants" of Container Linux to now supporting Flatcar Linux and equivalents Action Required: Update the Flatcar Linux modules `source` to replace `s/container-linux/flatcar-linux`. See docs for examples
103 lines
2.4 KiB
HCL
103 lines
2.4 KiB
HCL
locals {
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# format assets for distribution
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assets_bundle = [
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# header with the unpack location
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for key, value in module.bootstrap.assets_dist :
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format("##### %s\n%s", key, value)
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]
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}
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# Secure copy assets to controllers. Activates kubelet.service
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resource "null_resource" "copy-controller-secrets" {
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count = length(var.controllers)
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# Without depends_on, remote-exec could start and wait for machines before
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# matchbox groups are written, causing a deadlock.
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depends_on = [
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matchbox_group.install,
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matchbox_group.controller,
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matchbox_group.worker,
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module.bootstrap,
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]
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connection {
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type = "ssh"
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host = var.controllers.*.domain[count.index]
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user = "core"
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timeout = "60m"
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}
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provisioner "file" {
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content = module.bootstrap.kubeconfig-kubelet
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destination = "$HOME/kubeconfig"
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}
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provisioner "file" {
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content = join("\n", local.assets_bundle)
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destination = "$HOME/assets"
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}
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provisioner "remote-exec" {
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inline = [
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"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
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"sudo /opt/bootstrap/layout",
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]
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}
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}
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# Secure copy kubeconfig to all workers. Activates kubelet.service
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resource "null_resource" "copy-worker-secrets" {
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count = length(var.workers)
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# Without depends_on, remote-exec could start and wait for machines before
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# matchbox groups are written, causing a deadlock.
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depends_on = [
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matchbox_group.install,
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matchbox_group.controller,
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matchbox_group.worker,
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]
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connection {
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type = "ssh"
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host = var.workers.*.domain[count.index]
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user = "core"
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timeout = "60m"
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}
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provisioner "file" {
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content = module.bootstrap.kubeconfig-kubelet
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destination = "$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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# Connect to a controller to perform one-time cluster bootstrap.
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resource "null_resource" "bootstrap" {
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# Without depends_on, this remote-exec may start before the kubeconfig copy.
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# Terraform only does one task at a time, so it would try to bootstrap
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# while no Kubelets are running.
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depends_on = [
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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 = var.controllers[0].domain
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user = "core"
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timeout = "15m"
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}
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provisioner "remote-exec" {
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inline = [
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"sudo systemctl start bootstrap",
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]
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}
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}
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