143 lines
5.8 KiB
Plaintext
143 lines
5.8 KiB
Plaintext
# Only the first values starting with a * are obligatory, the rest can remain with their default values, or you
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# could adapt them to your needs.
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#
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# Note that some values, notably "location" and "public_key" have no effect after the initial cluster has been setup.
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# This is in order to keep terraform from re-provisioning all nodes at once which would loose data. If you want to update,
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# those, you should instead change the value here and then manually re-provision each node one-by-one. Grep for "lifecycle".
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# * Your Hetzner project API token
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hcloud_token = "xxxxxxxxxxxxxxxxxxYYYYYYYYYYYYYYYYYYYzzzzzzzzzzzzzzzzzzzzz"
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# * Your public key
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public_key = "/home/username/.ssh/id_ed25519.pub"
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# * Your private key, must be "private_key = null" when you want to use ssh-agent, for a Yubikey like device auth or an SSH key-pair with passphrase
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private_key = "/home/username/.ssh/id_ed25519"
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# These can be customized, or left with the default values
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# For Hetzner locations see https://docs.hetzner.com/general/others/data-centers-and-connection/
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network_region = "eu-central" # change to `us-east` if location is ash
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# At least 3 server nodes is recommended for HA, otherwise you need to turn off automatic upgrade (see ReadMe).
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# As per rancher docs, it must be always an odd number, never even! See https://rancher.com/docs/k3s/latest/en/installation/ha-embedded/
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# For instance, 1 is ok (non-HA), 2 not ok, 3 is ok (becomes HA).
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# Of course, you can choose any number of node pools you want, with the location you want. The only contraint on the location is that you need to stay in the same network region, basically Europe or US, see above.
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# For the server type, # The type of control plane nodes, the minimum instance supported is cpx11 (just a few cents more than cx11), see https://www.hetzner.com/cloud.
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control_plane_nodepools = [
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{
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name = "control-plane-fsn1",
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server_type = "cpx11",
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location = "fsn1",
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labels = [],
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taints = [],
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count = 2
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},
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{
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name = "control-plane-nbg1",
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server_type = "cpx11",
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location = "nbg1",
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labels = [],
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taints = [],
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count = 1
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}
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]
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# As for the agent nodepools, below is just an example, if you do not want nodepools, just use one,
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# and change the name to what you want, it need not be "agent-big" or "agent-small", also give them the subnet prefer.
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# For single node clusters set this equal to [] or just set the counts to 0.
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# IMPORTANT: Once the cluster is created, you can change the count, and even set it to 0, but do not remove a nodepool from the list.
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# You can add others at the end of the list if you want. For Hetzner locations see https://docs.hetzner.com/general/others/data-centers-and-connection/
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# For Hetzner server types see https://www.hetzner.com/cloud
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agent_nodepools = [
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{
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name = "agent-small",
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server_type = "cpx11",
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location = "fsn1",
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labels = [],
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taints = [],
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count = 2
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},
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{
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name = "agent-large",
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server_type = "cpx21",
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location = "nbg1",
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labels = [],
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taints = [],
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count = 1
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},
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{
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name = "storage",
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server_type = "cpx21",
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location = "fsn1",
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labels = [
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"node.kubernetes.io/server-usage=storage"
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],
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taints = [
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"server-usage=storage:NoSchedule"
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],
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count = 1
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}
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]
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# That will depend on how much load you want it to handle, see https://www.hetzner.com/cloud/load-balancer
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load_balancer_type = "lb11"
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load_balancer_location = "fsn1"
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### The following values are fully optional
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# If you want to use a specific Hetzner CCM and CSI version, set them below, otherwise leave as is for the latest versions
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# hetzner_ccm_version = ""
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# hetzner_csi_version = ""
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# If you want to use letsencrypt with tls Challenge, the email address is used to send you certificates expiration notices
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# traefik_acme_tls = true
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# traefik_acme_email = "mail@example.com"
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# If you want to use disable the traefik ingress controller, you can. By default is it enabled!
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# traefik_enabled = false
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# If you want to disable the metric server, you can! By defaults it is enabled.
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# metrics_server_enabled = false
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# If you want to allow non-control-plane workloads to run on the control-plane nodes set "true" below. The default is "false".
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# Also good for single node clusters.
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# allow_scheduling_on_control_plane = true
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# If you want to disable automatic upgrade of k3s, you can set this to false, default is "true".
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# automatically_upgrade_k3s = false
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# Allows you to specify either stable, latest, or testing (defaults to stable), see https://rancher.com/docs/k3s/latest/en/upgrades/basic/
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# initial_k3s_channel = "latest"
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# The cluster name, by default "k3s"
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# cluster_name = ""
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# Whether to use the cluster name in the node name, in the form of {cluster_name}-{nodepool_name} the default is "true".
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# use_cluster_name_in_node_name = false
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# Adding extra firewall rules, like opening a port
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# In this example with allow port TCP 5432 for a Postgres service we will open via a nodeport and allow outgoing SMTP traffic on port TCP 465
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# More info on the format here https://registry.terraform.io/providers/hetznercloud/hcloud/latest/docs/resources/firewall
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# extra_firewall_rules = [
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# {
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# direction = "in"
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# protocol = "tcp"
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# port = "5432"
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# source_ips = [
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# "0.0.0.0/0"
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# ]
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# },
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# {
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# direction = "out"
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# protocol = "tcp"
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# port = "465"
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# destination_ips = [
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# "0.0.0.0/0"
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# ]
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# },
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# ]
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# If you want to configure additional Arguments for traefik, enter them here as a list and in the form of traefik CLI arguments; see https://doc.traefik.io/traefik/reference/static-configuration/cli/
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# Example: traefik_additional_options = ["--log.level=DEBUG", "--tracing=true"]
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# traefik_additional_options = []
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