103 lines
4.7 KiB
Plaintext
103 lines
4.7 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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# For Hetzner server types see https://www.hetzner.com/cloud
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location = "fsn1" # change to `ash` for us-east Ashburn, Virginia location
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network_region = "eu-central" # change to `us-east` if location is ash
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# You can have up to as many subnets as you want (preferably if the form of 10.X.0.0/16),
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# their primary use is to logically separate the nodes.
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# The control_plane network is mandatory.
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network_ipv4_subnets = {
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control_plane = "10.1.0.0/16"
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agent_big = "10.2.0.0/16"
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agent_small = "10.3.0.0/16"
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}
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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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control_plane_count = 3
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# The type of control plane nodes, see https://www.hetzner.com/cloud, the minimum instance supported is cpx11 (just a few cents more than cx11)
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control_plane_server_type = "cpx11"
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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 {}
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agent_nodepools = {
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agent-big = {
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server_type = "cpx21",
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count = 1,
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subnet = "agent_big",
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}
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agent-small = {
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server_type = "cpx11",
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count = 2,
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subnet = "agent_small",
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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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### The following values are fully optional
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# It's best to leave the network range as is, unless you know what you are doing. The default is "10.0.0.0/8".
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# network_ipv4_range = "10.0.0.0/8"
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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 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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# Whether to use the cluster name in the node name, i.e. add the prefix k3s-(cluster_name)- to the nodes? The default is "true".
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# use_cluster_name_in_node_name = false
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# Prefix for the cluster name, by default "k3s"
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# cluster_prefix = ""
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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
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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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# 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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